ИНДИКАТОР СТЕРИЛИЗАЦИИ

Группа изобретений относится к области стерилизации и может быть использована при контроле параметров стерилизации в послеразрядной камере. Индикатор стерилизации содержит соединение, нагревающееся при приведении в контакт с атомами кислорода и/или азота, и термохромный краситель, находящийся в термическом контакте с указанным соединением. Индикатор также может состоять из двух частей, одна из которых содержит соединение, нагревающееся при приведении в контакт с атомами кислорода и/или азота, и термохромный краситель, находящийся в термическом контакте с ним, а другая - термохромный краситель без соединения, нагревающегося при приведении в контакт с атомами кислорода и/или азота. Группа изобретений относится также к применению индикатора в устройстве стерилизации для индикации присутствия атомов кислорода и/или азота и индикации температуры в послеразрядной камере. Группа изобретений характеризует также варианты способа индикации присутствия атомов кислорода и/или азота в плазме, находящейся ...

ИНДИКАТОР ПРОЦЕССА СТЕРИЛИЗАЦИИ ПАРОМ

Изобретение относится к индикатору для применения в процессе стерилизации паром медицинского оборудования многоразового использования. Описывается способ стерилизации паром медицинского оборудования многоразового использования, включающий воздействие водяным паром как на указанное оборудование, так и на индикатор, причем указанный индикатор содержит в качестве активного ингредиента соль тетразолия. Изобретение позволяет удешевить процесс, сделать его менее токсичным и более наглядным, т.к. индикатор претерпевает резкое изменение цвета с бежевого на пурпурный, когда попадает в условия стерилизации паром. 19 з.п.ф-лы.

ПОРИСТОЕ УСТРОЙСТВО КОНТРОЛЯ ПРОЦЕССА СТЕРИЛИЗАЦИИ

Полезная модель относится к медицине, фармацевтической промышленности, ветеринарии, пищевой промышленности, косметологии, микробиологии и т.д. В частности, данная полезная модель распространяется на средства для контроля удаления воздуха из стерилизационной камеры стерилизаторов и контроля эффективности стерилизации. Технической задачей заявляемой полезной модели является решение указанных выше недостатков и, тем самым, повышение не только удобства использования устройства потребителем, но и в улучшении контроля за стерилизацией изделий и материалов. Технический результат заключается в повышении удобства использования устройство потребителем и в улучшении контроля за стерилизацией. Поставленная техническая задача и заявляемый технический результат решаются за счет того, что предлагаемая конструкция содержит две пластины, из материала препятствующего прониканию стерилизующего агента, установленный между пластинами индикатор, обложенный с двух сторон листами инертного пористого материала.

СПОСОБ КОНТРОЛЯ СТЕРИЛИЗАЦИИ МАТЕРИАЛОВ И ИЗДЕЛИЙ

Изобретение относится к области стерилизации и может быть использовано при контроле стерилизации материалов и изделий, например, медицинского или ветеринарного назначения. Способ контроля стерилизации материалов и изделий включает размещение перед стерилизацией среди стерилизуемых объектов биологических индикаторов со спорами клеток тест-микроорганизмов, а сразу после окончания стерилизации в биологические индикаторы со спорами клеток тест-микроорганизмов вносят (0,3÷0,5) смхемилюминесцентной композиции, лизируют споры клеток тест-микроорганизмов путем встряхивания индикаторов в течение (3÷7) мин, далее хемилюминесцентным методом в полученном экстракте определяют наличие жизнеспособных клеток тест-микроорганизмов и по интенсивности хемилюминесцентного свечения определяют эффективность стерилизации. Отсутствие хемилюминесцентного свечения при анализе каждого из полученных экстрактов является показателем эффективной стерилизации материалов и изделий. Изобретение обеспечивает сокращение времени ...

СОСТАВ УГЛЕПЛАСТИКА ДЛЯ УСТРАНЕНИЯ ДЕФЕКТОВ КОСТИ

Изобретение относится к области медицины, а именно к челюстно-лицевой хирургии, и может быть использовано для устранения костных дефектов. Техническим результатом данного изобретения является повышение рентгеноконтрастности и биосовместимости, уменьшение токсичности и канцерогенности материала. Состав углепластика для устранения дефектов кости содержит углеродной материал ТГН-2М и полиамидную пленку 12/10. Новым в составе является то, что он дополнительно содержит порошок титана при следующем соотношении компонентов, мас.%: углеродная ткань ТГН-2М 57,5-62,5, порошок титана 2,5-7,5, полиамидная пленка 12/10 - остальное. Размер частиц порошка титана составляет 20-50 мкм. 1 з.п. ф-лы, 1 табл.

СПОСОБ ОПРЕДЕЛЕНИЯ НАЛИЧИЯ МИКРООРГАНИЗМОВ, ОБРАЗУЮЩИХ БИОПЛЕНКУ, В БУМАЖНОЙ ПРОМЫШЛЕННОСТИ

... 1. Способ обнаружения наличия образующих биопленку микроорганизмов в процессе производства бумаги или картона для определения потребности в добавлении в процесс агента, противодействующего образованию биопленки, характеризующийся наличием следующих стадий: (а) помещение устройства для отбора проб в технологическую линию на период времени, достаточный для того, чтобы микроорганизмы образовали биопленку in situ на поверхности устройства для отбора проб в производственном процессе, (б) обработка поверхности устройства для отбора проб с образовавшейся на ней биопленкой раствором испытываемого агента, противодействующего образованию биопленки, в течение определенного периода времени, (в) приведение поверхности устройства для отбора проб с находящейся на ней биопленкой в контакт с жидкой культуральной средой, находящейся в углублении устройства для культивирования микроорганизмов, на определенный период времени, (г) удаление культуральной среды и поверхности устройства для отбора проб из углубления ...

Тест-биоиндикатор для экспрессной оценки качества дезинвазии почвы, грунта, донных отложений, осадка сточных вод

Изобретение относится к биотехнологии. Предложен тест-биоиндикатор для экспрессной оценки качества дезинвазии почвы, грунта, донных отложений, осадка сточных вод, представляющий собой пенал-держатель кассеты из двух тест-полосок биоиндикатора, выполненный в стреловидной форме длиной 345 мм и шириной 40 мм, который состоит из двух наружных листов пластика толщиной 3 мм каждая, имеющего окно-просвет шириной 15 мм и длиной 300 мм, между наружными листами пластика установлен внутренний лист пластика толщиной 3 мм, длиной 300 мм и шириной 8-9 мм, все листы пластика пенала-держателя скрепляют между собой 13 болтами с потаенной головкой М3×6, в верхней части пенала-держателя предусмотрена ручка-держатель, а каждая тест-полоска кассеты из органического стекла длиной 300 мм, шириной 20 мм и толщиной 1-1,5 мм содержит по два отверстия диаметром 7-10 мм через каждые 50 мм и на внутренней поверхности на всю ширину и длину тест полоски клеящуюся трековую фильтрующую мембрану с диаметром пор d3-4,2 мкм ...

Индикаторный лист для испытательного блока автоклава и испытательный блок автоклава

Назначение: контроль работы стерили- эационного оборудования, преимущественно автоклавов. Сущность: индикаторный лист для испытательного блока автоклава, в котором пара пористых масс удерживается в тесной наложенной связи посредством крепежного приспособления с индикаторным листом, расположенным между ними. Индикаторный лист имеет напечатанный набор отметок, образованных из одного или нескольких веществ, которые в условиях стерилизации паром могут показывать присутствие воздуха и/или влаги, причем каждая индикация является отдельно распознаваемой. 2 с. и 7 з.п.ф-лы, 2 ил.

INDIKATORBAND UND VERFAHREN

Verfahren und Maschine zum Aufbereiten eines medizinischen Instruments

Es wird ein Verfahren zum Aufbereiten eines medizinischen Instruments vorgestellt mit den Schritten: Bereitstellen eines Aufbereitungsmittels, Bereitstellen eines Verdünnungsmittels, Anmischen einer Aufbereitungslösung aus dem Aufbereitungsmittel und dem Verdünnungsmittel, und Aufbereiten des medizinischen Instruments mit der Aufbereitungslösung, wobei das Anmischen der Aufbereitungslösung unmittelbar vor dem Aufbereiten erfolgt. Das Verfahren zeichnet sich dadurch aus, dass ein Mischungsverhältnis von Aufbereitungsmittel und Verdünnungsmittel individuell in Abhängigkeit von zeitlich veränderlichen, das Aufbereitungsmittel charakterisierender Daten festgelegt wird.Ebenso wird eine Maschine zum Aufbereiten eines medizinischen Instruments (20) vorgestellt, mit einer Zufuhr (1,5) für ein Aufbereitungsmittel, einer Zufuhr (10,11) für ein Verdünnungsmittel, einer Mischvorrichtung (2,6,12,15) zum Anmischen einer Aufbereitungslösung aus dem Aufbereitungsmittel und dem Verdünnungsmittel, einem ...

Wegwerfbare Testpackungen für Dampf- oder Gassterilisatoren.

Konischer Indikator zur Verwendung in Prozess-Prüfkörpern

Indikator (22) für Prozess-Prüfkörper (PCDs) zur Überwachung von Sterilisationsprozessen, umfassend mehrere Indikatorbereiche (50, 54, 58, 62, 66), die mit einem Sterilisationsmittel reagieren und auf einem gemeinsamen Trägerelement (18) in Längsrichtung (70) des Trägerelements (18) beabstandet angeordnet sind, wobei das Trägerelement (18) sich entlang seiner Längsrichtung (70) verjüngend aufgebaut ist.

Bottle for accommodating an indicator, useful in checking the effectiveness of an ethylene oxide sterilization process, comprises an ethylene oxide non-porous material, and a membrane

A bottle (1) for accommodating an indicator (6) which checks the effectiveness of an ethylene oxide sterilization process, consists of an ethylene oxide non-porous material (6) which has a specific volume. The test piece has an opening (3) which can be closed by a membrane (4), the porosity of which can be matched to the test conditions.

Vorrichtung zum Testen und Kontrollieren von nach dem Vakuumverfahren arbeitenden Dampfsterilisatoren

Indicator for monitoring vapor sterilization, especially using formaldehyde, containing chromotropic acid disodium salt dihydrate to form permanent violet color when sterilization is complete

A chemical indicator for controlling vapor sterilization comprises an aqueous solution of chromotropic acid disodium salt dihydrate (I), to which gelatin or powdered adhesive has been added. A chemical indicator for controlling the sterilization of an article by contacting with vapor (preferably formaldehyde-water vapor) comprises a carrier supporting an indicator giving at least one color change as a result of chemical reactions during sterilization, to indicate the phase of the sterilization process taking place. The novel feature is that the indicator comprises an aqueous solution of chromotropic acid disodium salt dihydrate (I), to which gelatin or powdered adhesive has been added.

INDIKATOREN FÜR WASSERSTOFFPEROXID UND PERESSIGSÄURE UND VERFAHREN ZU IHRER VERWENDUNG

Hygenic condition determining method for e.g. cable-bound patient near breath stream sensor, involves comparing temperature events with comparison values, so that indication, output and/or alarm are caused during exceedence of values

The method involves storing temperature events of an additional part (1) e.g. cable-bound patient near breath stream sensor, corresponding to a temperature exceedence of a given temperature with the corresponding times. The stored temperature events with the corresponding times are compared with comparison values for temperature and time, so that an indication, output and/or an alarm at a medical basic equipment (3) e.g. anaesthesia equipment, are caused during exceedence of the comparsion value of the temperature for a given total time or for a given number of the temperature events. An independent claim is also included for a device for executing a method for determining a hygenic condition of an additional part.

Improvements in or relating to disinfecting materials

IMPROVEMENTS IN OR RELATING TO TEMPERATURE SIMULATORS

... 1277499 Control device for sterilizers SURGICAL EQUIPMENT SUPPLIES Ltd 25 Aug 1970 [10 Nov 1969] 54932/69 Heading A5G A device for estimating the temperature within an article to be sterilized and thereby effectively controlling the operation of sterilizing equipment comprises a temperature-responsive element 14 embedded in a plug of material 13, e.g. polypropylene and contained within a sterilizing chamber 1. The nature of the plug is so chosen that the measured temperature conditions are equivalent to those within the load (e.g. of bottles 6) and the output of the element 14 may be used to control the supply of heat (e.g. as steam) to the chamber in addition to indicating the measured temperature on the meter 16. (For Figure see next page) ...

Sterilising container head

The maintenance of sterility of sterile liquids e.g. drugs in containers during supply/removal of liquid to/from the containers, in particular by a transseptual technique, is enhanced by housing the head only of the container in an internal chamber 11 of a sterilisation body 10 to which sterilisation agent e.g. vapour followed by rinsing water and air is supplied. This sterilisation technique can be extended to tubes and/or needles utilised in supply/removal of such liquid to/from the container. When the liquid is toxic, a neutralising agent for a toxin may be subsequently supplied to the closed region. A sample needle 16 gains access through valved aperture 33 and advances through self sealing head 14 into container 15. A plurality of sterilisation bodies 10 may be mounted on the external side of a wall of a common sterilised chamber (41, Figure 4), access to the chamber being through an access panel (51, Figure 3). Each sample needle may be robotically controlled. Alternatively the sterilisation ...

Apparatus and method for monitoring biofilm cleaning efficacy

Methods and devices for determining the efficacy of a cleaning, disinfecting, or sterilizing process intended to remove bioflims are provided. The devices involve a biofilm sample (200), a biofilm indicator (50), and a simulated endoscope.

Optical radiation sensor system and method for measuring radiation transmittance of a fluid

There is disclosed a process for measuring transmittance of a fluid in a radiation field comprising polychromatic radiation - i.e., radiation at a first wavelength and radiation at a second wavelength different from the first wavelength. The process comprises the steps of: (i) positioning a polychromatic radiation source and a polychromatic radiation sensor element in a spaced relationship to define a first thickness of fluid in the radiation field; (ii) detecting a first . radiation intensity corresponding to radiation at the first wavelength received by the sensor element at the first thickness; (iii) detecting a second radiation intensity corresponding to radiation at the second wavelength received by the sensor element at the first thickness; (iv) altering the first thickness to define a second thickness; (v) detecting a third radiation intensity corresponding to radiation at the first wavelength received by the sensor element at the second thickness; (vi) detecting a fourth radiation ...

APPARATUS FOR INDICATING WHETHER THE INTERIOR OF A CONTAINER HAS BEEN STERILIZED DURING A STERILIZATION PROCESS

DETECTING PRESENCE OF AIR IN STEAM STERILISER

Test device and method

Sterilisation cycle indicator tag

ETHYLENE OXIDE OXIDE STERILIZATION INDICATORS

... 1523227 Sterilization indicator SYBRON CORP 21 Oct 1976 [22 Dec 1975] 43736/76 Heading G1B An indicator for monitoring an ethylene oxide sterilization and aeration process comprises a substrate such as filter paper carrying an indicating composition which provides a first colour change on completion of the sterilization phase and a second colour change on completion of the aeration phase. The indicating composition may include 4(para-nitrobenzyl)-pyridine, a polyethylene glycol, thiourea and water, and the indicator may be packaged in an envelope having a front sheet of transparent polymeric material and a back sheet of spun-bonded polyolefin.

Water dispensing apparatus with filter integrity testing system.

Water dispenser, which comprises, in addition to a water container, a filter element contained within a filter housing having an inlet and a dispensing outlet, a source of pressure and first valve and first conduit means for feeding water from the container to the filter housing inlet; means for feeding gas to the filter inlet to create gas pressure at the inlet, consiting of a reservoir, second valve and conduit means for controling the level of the water in the reservoir, and the control means comprise third conduit and valve means for permitting or preventing the admission of water into the reservoir, a pressure gauge for monitoring the pressure at the filter inlet; and control means forcontrolling the gas feeding means to cause or stop the feeding. The source of pressure may be a copressed gas cylinder provided with valve and conduit means for controlling the admission of compressed gas from the cylinder into the water container, and the means for feeding gas to the filter inlet comprise ...

Water dispensing apparatus with filter integrity testing system

Water dispensing apparatus with filter integrity testing system

PROCEDURE AND DEVICE FOR THE DECONTAMINATION AND SMELL NEUTRALIZATION OF STERILIZING GAS

DETECTION OF THE DEW POINT OF A STERILISATION STEAM

INTEGRATOR SYSTEM AND PROCEDURE FOR THE RAPID STATEMENT OF THE EFFECTIVENESS OF A GERMIZIDBEHANDLUNG

SELFSEALED MEDICAL STERILISATION BAG

PROCEDURE F�R �BERPR�FBARE INACTIVATING OF PATHOGENEN IN a BIOLOGICAL FLUID BY IRRADIATION

NON-DISPERSIVE INFRARED SENSOR FOR EVAPORATED HYDROGEN PEROXIDE

DEVICE FOR THE ENTKEIMEN OF INSTRUMENTS

EQUIPMENT FOR TESTING WASH APPARATUSES

TEST PACKINGS FOR STERILISATION INDICATOR

MEASURING INSTRUMENT

ETHYL OXIDE STERILISATION TEST PACKING.

EQUIPMENT FOR TESTING DAMPFSTERILISATOREN

PREVACUUMDAMPFSTERILISATIONSTESTPACKUNG.

BOWIE THICK TESTVORRICHTUNG.

PROCEDURE FOR THE EXAMINATION OF A STERILIZATION PACKING UNIT ON EFFECTIVENESS APPROXIMATELY REKONTAMINATION

STERILIZATION CONTAINER FOR FILTERED GAS PLASMA WITH IMPROVED CIRCULATION

PROCEDURE AND DEVICE AS THE MEASUREMENT AND A CHECK OF THE CYCLE OF LIQUIDS IN ENDOSCOPE CHANNELS

TRACKING SYSTEM FOR STERILISATION MONITORING

AUTOMATIC ENDOSCOPE SUBSEQUENT TREATMENT EQUIPMENT

INSPECTION PIECE, IN PARTICULAR FOR THE EXAMINATION OF THE PENETRATION CHARACTERISTICS OF A STERILIZATION MEANS DURING STERILISATION PROCESSES

STERILISATOR TESTPACKUNG.

INDICATOR SYSTEMS, MATERIAL COMPRESSION AND INTRODUCTION DEVICES AND MANUFACTURING PROCESSES

INSPECTION PROCEDURE FUR THE STERILISATION WITH ETHYLENOXID

VACUUM TEST SYSTEM FOR STERILISATOREN

DAMPFSTERILISATOR

SYSTEM AND PROCEDURE FOR THE REAL TIME MONITORING AND CONTROL OF TREATMENT STERILISATION AND PARAMETRIC RELEASE

TEST DEVICE AND PROCEDURE

INDICATOR INK

APPARATUS AND METHOD TO READ BIOLOGICAL INDICATOR

A method for detecting biological activity in a biological indicator comprises the steps of providing a known quantity of spores containing a fixed number of copies of an enzyme and a liquid growth medium comprising substrates of the enzyme. The enzyme substrates have a first emission spectrum, and are configured to be converted by the enzyme to substrate derivatives having a second emission spectrum. The spores are exposed to the liquid growth medium, and the liquid growth medium is measured for the second emission spectrum, and either no change in the second emission spectrum or a linear increase in the second emission spectrum, is detected as a function of time. -42 3536513vl 914-" 1000 INCUBATE MONITOR FOR CHANGE IN FLUORESCENCE is YES A LINEAR NO INCREASE IN FLUORESCENCE? MONITOR FLUID FOR ASSUME STERILIZATION CHANGE TO EXPONENTIAL CYCLE EFFECTIVE INCREASE IN AND MEDICAL DEVICE FLUORESCENCE READY FOR USE CONFIRM STERILIZATION CYCLE INEFFECTIVE AND MEDICAL DEVICE NOT READY FOR USE MEDICAL ...

APPARATUS AND METHOD TO REPEATEDLY FILL AND PURGE CHANNELS OF ENDOSCOPE

A medical device reprocessor is operable to perform a method of cleaning an internal channel of a medical device. The method entails activating a first pump to deliver a detergent to the internal channel for a first predetermined duration, activating a second pump to deliver water to the internal channel to rinse out the detergent for a second predetermined duration, and activating a third pump to deliver pressurized air to the internal channel to purge out the water or detergent contained within the internal channel for a third predetermined duration. Subsequently, the method involves activating a fourth pump to deliver a predetermined volume of disinfectant to the internal channel, and reactivating the third pump to deliver pressurized air to purge out the disinfectant into a chamber. The method repeats filling the internal channel with detergent, water and disinfectant and the subsequent purging of the internal channel with pressurized air.

Indicator ink compositions

Data transfer apparatus for an electronic device

Visual detector for vaporized hydrogen peroxide

METHOD FOR QUALIFYING BOTTLE RINSER

CALORIMETRY AS A ROUTINE DOSIMETER AT AN ELECTRON BEAM PROCESSING FACILITY

Method of detecting flow in endoscope channels

SAFETY SYRINGE NEEDLE DEVICE WITH INTERCHANGEABLE AND RETRACTABLE NEEDLE PLATFORM

AN INDICATOR SHEET FOR AN AUTOCLAVE TEST PACK

Self-contained biological indicator

The disclosed invention provides a self-contained sterilization indicator for evaluating the effectiveness of a sterilization process. The sterilization indicator includes a cap configured for housing a growth medium, the cap being mountable on a container that contains a concentration of microorganisms. The cap comprises an inner chamber for housing the growth media. The inner chamber has an opening and a breakable barrier overlying the opening for encapsulating the growth media within the inner chamber of the cap. The biological indicator is adapted for breaking the breakable barrier at a selected time to introduce the growth medium into the container such that the growth medium contacts the microorganisms.

Disinfectant composition

A composition comprising: (a) a hydrogen peroxide source (b) an acetyl source (c) a peracetic acid bleachable dye wherein, in solution, colour generated by said peracetic acid bleachable dye is substantially discharged when a biocidally effective concentration of peracetic acid is achieved.

Systems for monitoring and controlling disinfection

A disinfection monitoring system, comprising: a sensor module configured to detect use of one or more disinfectants on a surface or in an area; a data logger module connected to the sensor module and configured to log data relating to detected uses of the one or more disinfectants; and a wireless communication module connected to the data logger module and configured to wirelessly communicate the logged data relating to detected use of the one or more disinfectants to a remote monitoring module.

DISPOSABLE STERILIZER MECHANICAL AIR REMOVAL TEST PACK

INDICATOR ELEMENTS FOR AUTOCLAVES

Uv-c sterilizer

Housing for a sterilization monitoring device

KITS AND METHODS FOR DETERMINING THE EFFECTIVENESS OF STERILIZATION OR DISINFECTION PROCESSES

The invention relates to methods and kits and methods for assessing the effectiveness of a sterilization process by determining the release of dipicolinic acid (DPA) from bacterial or other spores that contain DPA. A biological indicator containing a spore may be included together with articles being sterilized, and an assay of DPA released from the spore can be performed moments after the sterilization process is completed, or during the process. The kits and methods thus provide a rapid and reliable method of assessing the effectiveness of a sterilization process and, consequently, assure the sterility of article subjected to the same process.

OPTICAL RADIATION SENSOR SYSTEM AND METHOD FOR MEASURING RADIATION TRANSMITTANCE OF A FLUID

There is disclosed a process for measuring transmittance of a fluid in a radiation field comprising polychromatic radiation - i.e., radiation at a first wavelength and radiation at a second wavelength different from the first wavelength. The process comprises the steps of: (i) positioning a polychromatic radiation source and a polychromatic radiation sensor element in a spaced relationship to define a first thickness of fluid in the radiation field; (ii) detecting a first . radiation intensity corresponding to radiation at the first wavelength received by the sensor element at the first thickness; (iii) detecting a second radiation intensity corresponding to radiation at the second wavelength received by the sensor element at the first thickness; (iv) altering the first thickness to define a second thickness; (v) detecting a third radiation intensity corresponding to radiation at the first wavelength received by the sensor element at the second thickness; (vi) detecting a fourth radiation ...

INDICATOR DEVICE

MONITORING PORT ASSEMBLY FOR FLUID TREATMENT SYSTEMS

A monitoring port assembly for a fluid treatment system, such as for use in an ultra-violet water treatment system. The port assembly comprises a sensor port cup having a port for access to an interior of the fluid treatment vessel. The port is offset from the central axis of the sensor port cup. A cylindrical body, having an offset through-hole to receive a sensor assembly, is disposed within the sensor port cup for rotational movement about the central longitudinal axis between an operational position where the offset through- hole is aligned and coincident with the port, and a servicing position where the offset through-hole is displaced relative to the port. Sensors can be safely and conveniently removed from or installed into a port in the fluid treatment vessel by rotating the cylindrical body from the servicing to the operational position.

OPTICAL RADIATION SENSOR SYSTEM WITH CLEANING DEVICE

There is disclosed an optical radiation sensor system. The system includes a sensor device (140) and a cleaning device (115). The sensor device detects and responds to radiation from a radiation field (170) and includes a surface (155) that is movable with respect to the radiation field between a first position in which the surface is in the radiation field and a second position in which at least a portion of the surface is out of the radiation field. The cleaning device operates to remove fouling materials from at least a portion of the surface in the second position. The cleaning device may be a chemical cleaning device, a mechanical cleaning device or a combined chemical/mechanical device.

METHOD AND APPARATUS FOR HELPING TO ASSURE THE WASHING OF HANDS

A method and apparatus are disclosed for helping to assure the washing of hands. An easily identifiable substance is provided which can be removed by washing, and a marking mechanism is coupled to the easily identifiable substance. A hand of a person is then marked with the easily identifiable substance when the marking mechanism is triggered. In one embodiment, a flush mechanism of a toilet or urinal is equipped with the marking mechanism, and the marking mechanism is triggered when a person flushes the toilet or urinal. In another embodiment, a door handle is equipped with the marking mechanism, and the marking mechanism is triggered when a person uses the door handle.

METHOD AND APPARATUS FOR VALIDATION OF STERILIZATION PROCESS

An apparatus, system and method for verifying the achievement of a desired sterility assurance level (SAL) for components manipulated within a low-energy electron beam sterilization chamber. The components are preferably pre- sterilized and connected together in an assembly fashion which creates and maintains the sterility of the connection by subjecting the components to low- energy (less than 300 KeV) electron beam radiation. The verification is completed by measuring the sterilization dose delivered to a sensor, also known as a dosimeter, positioned within the sterilization process to simulate the components.

STERILIZATION SYSTEM AND METHOD AND ORIFICE INLET CONTROL APPARATUS THEREFOR

A chemical vapor sterilization process is enhanced by concentrating a germicide via exploitation of the difference between the vapor pressures of the germicide and its solvent. A diffusion restriction can be placed into the diffusion path to assist this process and the path then opened to provide rapid diffusion of the thus concentrated germicide. The path through the diffusion restriction can be closed to allow the pressure in a sterilization chamber to be lowered prior to receiving the concentrated germicide.

STERILIZATION INDICATOR SENSOR WITH A STERILANT-RESPONSIVE SWITCH

Aspects of the present disclosure relate to a sensor device having an integrated circuit and a monitoring loop coupled to the integrated circuit. The monitoring loop includes a first conductive trace and a second conductive trace, each having a first end electrically coupled to the integrated circuit and a second end. The monitoring loop includes a sterilant-responsive switch electrically coupling the second ends of the first conductive trace and the second conductive trace. The sterilant-responsive switch has a first impedance state and a second impedance state. The sterilant-responsive switch modifies an electrical connection between the first conductive trace and the second conductive trace based on exposure to an adequate environmental condition in an adequate sterilization process. The sensor device also includes an antenna coupled to the integrated circuit forming an antenna loop that is distinct from the monitoring loop.

STERILITY INDICATOR

A sterility indicator comprising a backing strip of a dimensionally stable material e.g. aluminum foil having mounted thereon an organic compound containing oxygen or nitrogen in intimate contact with a wicking means and a cover strip bonded to the backing strip overlaying the organic compound and wicking means. The cover strip is a polymeric rate controlling film which permits water vapor to pass through at a rate sufficient to make the device operative at a temperature to be monitored.

DOSIMETER FOR STERILIZATION WITH ETHYLENE OXIDE

There is provided a device for monitoring sterilization with ethylene oxide comprising at least one layer of polymer, having incorporated therein an indicator like bromothymol blue, bromocresol purple, capable of undergoing at least one color change, an activator for the indicator consisting of an halide like sodium bromide, tetrabutylammonium bromide. Wherein said activator is contacted with ethylene oxide, it undergoes a reaction with it to produce a product which causes the indicator to undergo a color change. There is further provided a process for making this device and for using it.

ETHYLENE OXIDE STERILIZATION AND AERATION INDICATOR

METHOD AND APPARATUS FOR MONITORING CATALYTIC ABATOR EFFICIENCY

The present invention provides for a method and apparatus to measure exhaust stream emissions of a catalytic abator for determining the efficiency of the removal of a treatment gas including the steps of providing a calibrated sensor to measure the selected range of the treatment gas concentration in the abator from an exhaust stream after the treatment gas has been treated to verify abator efficiency and output or control the abator based on the efficiency values generated.

STERILIZING AGENT-DETECTING PROBE SEMI-PERMEABLE MEMBRANE

SYSTEM AND METHOD FOR STORAGE OF A MEDICAL DEVICE

A storage apparatus and methods for storing medical devices are provided. A storage apparatus comprises a first container having a first cavity configured to receive a first medical device, such as an endoscope, and a second container having a second cavity configured to receive a supply kit for the first medical device. The second container is positioned proximal to the first container within the storage apparatus.

SELF-CONTAINED BIOLOGICAL INDICATOR

A self-contained biological indicator ("SCBI") is disclosed. The SCBI may include a first ampule and a second ampule. The first ampule may contain a first volume of a first growth medium, and the second ampule may contain a second volume of a second growth medium. The SCBI is configured such that the first ampule may be broken before the second ampule. The SCBI may be analyzed for changes in fluorescence of the first growth medium. Then, the SCBI may be analyzed for changes in a color of the second growth medium.

STERILIZATION-ASSISTANCE DEVICE

A sterilization-assistance device is described herein. In some embodiments, the sterilization-assistance device comprises a dry booster and at least one measurement device attached to the dry booster. In various embodiments, the at least one measurement device may include a strain gauge. In various embodiments, the at least one measurement device may include a pressure sensor. In various embodiments, the at least one measurement device may include a pressure sensor and a strain gauge. The sterilization assistance device may als o include a communication module. The communication module may be a wireless-communication module. The measurement device may provide indications that the dry booster has become detached from an endoscope during a sterilization procedure.

INTEGRATOR SYSTEM AND METHOD FOR RAPIDLY DETERMINING EFFECTIVENESS OF A GERMICIDAL TREATMENT

The effectiveness of an oxidative sterilization process is determined by exposing a substrate having a known amount of a primary amine or aldehyde indicator chemical to an oxidative germicide. The oxidative germicide reacts with the indicator chemical. The amount of indicator chemical remaining after exposure to the germicide is determined by reacting the indicator chemical with a dye precursor chemical to form a colored product. The amount of indicator chemical remaining on the substrate is determined from the intensity of the color of the colored product. The amount of indicator chemical remaining on the substrate is a measure of the effectiveness of the germicidal treatment. The dye precursor is an aldehyde when the indicator chemical is a primary amine and a primary amine when the indicator chemical is an aldehyde. An integrator for determining the effectiveness of the germicidal process includes a substrate and an indicator chemical, where the indicator chemical is a primary amine ...

TAMPER-PROOF SEAL AND METHOD FOR USING SAME

A tamper-proof seal (10, 300) is disclosed for use in connection with sterilization containers. The seal includes a body portion (12, 312) including a sterilization indicating material (16) and a tongue (14, 314) extending from the body portion. The tongue may be in the form of a laminate consisting of a pair of substantially inert outer layers (20, 22, 320, 322) sandwiching a high shrink inner layer (24, 324). The tongue is designed to engage the latch mechanism (106) of a sterilization container (100) when the container is in the closed position and the latch mechanism is in a latched position. Upon exposure of the container to sterilization conditions, the tongue shrinks, causing the outer layers to fold upon themselves to form at least one pleat (200, 390, 392). The container latch mechanism cannot be opened without fracturing the tongue of the seal, thereby providing visible evidence of the latch mechanism being opened.

HYDROGEN PEROXIDE AND PERACETIC ACID INDICATORS AND METHODS USING THE SAME

The present invention provides a hydrogen peroxide indicator and a peracetic acid indicator that include a substrate on which is disposed an indicator composition that includes at least one of a select group of colorants and a transition metal salt. As a result of exposure to hydrogen peroxide and/or peracetic acid, the colorants change color, and even become colorless, thereby providing an indication of the presence of hydrogen peroxide and/or peracetic acid.

STERILIZER TEST DEVICE

A re-usable sterilizer test device is disclosed which is comprised of at least two parts which are releasably connected together. An indicator device which changes colour in the presence of steam after a certain time period is deposited within the two parts. One or both of the bodies is manufactured from a material having a predetermined degree of porosity as regards steam and is generally cylindrical or spherical so that the outer surface of said one or both bodies forms a significant and substantial portion of the external surface of the assembled device. Steam penetrates the porous body and passes into a cavity inside the body from where the steam can move internally of the device through suitable passageways and into a chamber where the indicator is located.

SELF-CONTAINED BIOLOGICAL INDICATOR

A self contained biological indicator is disclosed having a housing and an ampule disposed within the housing, the ampule having a first dome, a second dome and a sidewall. A cap may be coupled to the housing. The cap may include a projection that may be coupled to the ampule by, e.g., a friction fit. An insert may be disposed within the housing. The insert may include a well within which at least a portion of the bottom dome of the ampule may be disposed. The insert may also include a ramp that is angled relative to the central longitudinal axis of the ampule. The second dome of the ampule may contact the ramp. The insert may also include an arm or finger that extends above the well and has a stress concentrator disposed thereon such that it is also disposed above the second dome of the ampule and adjacent to the sidewall of the ampule. In use, the SCBI generates therein a first reaction force between the second dome of the ampule and the ram having a component directed transverse to a ...

DUAL MIGRATING INDICATOR

An indicator for a sterilization process is configured to function for two different sterilization conditions. The indicator includes two pass zones to indicate whether an acceptable sterilization has occurred after a sterilization process at a first condition or after a sterilization process at a second condition.

SYSTEM FOR DECONTAMINATING MEDICAL EQUIPMENT ITEMS AND TRACKING DECONTAMINATION PROCESS

A decontamination system (2) suitable for cleaning and disinfecting a medical instrument (26) such as an endoscope, the system comprising: (I) a plurality of pre-clean wipes for wiping an instrument to be decontaminated each pre-clean wipe comprising a moist fabric member in its own sealed container (4); (II)a two-part disinfectant system comprising: (a)a first part comprising a first reagent in a carrier medium; and (b)a second part which is miscible with the first part and which comprises a second reagent in a carrier medium; wherein the first reagent and the second reagent will react when mixed to provide a disinfecting composition; the first part being contained in a dispenser (6) whereby it will be dispensed as a fluid when the dispenser is actuated, and the second part being absorbed or impregnated in a plurality of disinfecting wipes (30) each of which comprises a fabric member (30) in its own sealed container (8); and (III) a plurality of rinse wipes, each rinse wipe comprising ...

SAMPLE PREPARATION UNIT AND SAMPLE PREPARATION DEVICE

A sample preparation unit, preferably for sterility testing, comprising a housing body (2) including at least two ports (4, 5, 6) adapted to serve as fluid inlet and/or fluid outlet, a membrane support (10), and a lid part (3) provided such that a membrane chamber (12) is defined adjacent said membrane support (10). One of said at least two ports (4,5,6) is arranged so as to allow a fluid transfer to/from a first volume of said membrane chamber (12, 12a, 12b)) at a position upstream of a membrane (8) to be placed on said membrane support (10), and the other of said ports (4, 5, 6) is arranged to allow fluid transfer to/from a second volume of said membrane chamber (12, 12a, 12b) at a position downstream of a membrane (8) to be placed on said membrane support (10). A movable part (7) is provided on said housing body (2) such that said movable part (7) and said housing body (2) are movable relative to each other, preferably by rotation, thereby selectively interrupting/establishing the fluid ...

Упаковка для стерилизации изделий

Полезная модель относится к области упаковки для стерилизации изделий, в частности, медицинского назначения различными способами (паровая, газовая, радиационная, воздушная и т.д.). Упаковка для стерилизации изделий выполнена в виде прямоугольного конверта, изготовленного из двух слоев, причем один слой выполнен из листа термостойкого материала, а второй слой представляет собой лист водостойкого бумажного материала, с образованием по периметру с трех сторон сварных швов и открытого устья. Открытое устье может быть снабжено закрывающим клапаном с двухсторонней липкой лентой, закрытой слоем антиадгезивной бумаги. Упаковка дополнительно содержит средство удержания индикатора, выполненное в виде кармана, конструктивно отделенного от стерильной зоны посредством сварного шва и расположенного в боковой верхней части упаковки в зоне открытого устья. Полезная модель позволяет исключить возможность загрязнения или негативного влияния компонентов индикатора на стерилизуемое изделие. 1ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 168 864 U1 (51) МПК A61L 2/26 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ФОРМУЛА ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21)(22) Заявка: 2016146546, 28.11.2016 (24) Дата начала отсчета срока действия патента: 28.11.2016 21.02.2017 Адрес для переписки: 129110, Москва, а/я 165, Зуйкову С.А. (56) Список документов, цитированных в отчете о поиске: RU 84706 U1, 20.07.2009. RU 133730 Приоритет(ы): (22) Дата подачи заявки: 28.11.2016 U1, 27.10.2013. RU 131969 U1, 10.09.2013. CA 2846939 A1, 26.10.2010. JP 2015073588 A, 20.04.2015. US 6767509 B1, 27.07.2004. 1 6 8 8 6 4 (45) Опубликовано: 21.02.2017 Бюл. № 6 (73) Патентообладатель(и): Василиотти Константин Александрович (RU), Евдокимова Елена Геннадьевна (RU), Фахрутдинова Гюзель Рамузовна (RU) R U Дата регистрации: (72) Автор(ы): Василиотти Константин Александрович (RU), Евдокимова Елена Геннадьевна (RU), Фахрутдинова Гюзель Рамузовна (RU) 1 6 8 8 6 4 R U (57) Формула полезной ...

Химико-биологический индикатор контроля стерилизации изделий медицинского назначения

Индикатор контроля стерилизации, содержащий стойкую к условиям стерилизации основу, на лицевую сторону которой нанесены эталонная метка и индикаторная метка. Индикаторная метка представляет собой зональное покрытие, выполненное с применением термочувствительной композиции, необратимо меняющей свой цвет после цикла стерилизации. Обратная сторона основы покрыта адгезивным слоем и защитным антиадгезивным покрытием, предназначенным для предохранения адгезивного слоя индикатора вплоть до его закрепления на контролируемом объекте. От прототипа отличается тем, что зональное покрытие дополнительно содержит споры тест-микроорганизмов, фиксация которых осуществлена с применением упомянутой термочувствительной композиции. Фиксация спор тест-микроорганизмов может быть осуществлена двумя способами:- споры тест-микроорганизмов нанесены на подложку и зафиксированы покрывающим слоем, сформированным из термочувствительной композиции индикаторной метки. То есть, индикаторная метка выполнена двухслойной;- споры тест-микроорганизмов включены в состав термочувствительной композиции и участвуют в формировании индикаторной метки. Достигаемый технический результат - универсальность индикатора, то есть обеспечение возможности осуществления как химического контроля, так и биологического. 2 з.п. ф-лы. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 201 570 U1 (51) МПК A61L 2/28 (2006.01) G01K 11/12 (2006.01) C12M 1/34 (2006.01) C12Q 1/22 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК A61L 2/28 (2020.08); G01K 11/12 (2020.08); C12M 1/34 (2020.08); C12Q 1/22 (2020.08) (21)(22) Заявка: 2020133519, 12.10.2020 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): Котченко Руслан Григорьевич (RU) Дата регистрации: 21.12.2020 Приоритет(ы): (22) Дата подачи заявки: 12.10.2020 (45) Опубликовано: 21.12.2020 Бюл. № 36 2 0 1 5 7 0 R U (54) Химико-биологический индикатор контроля стерилизации изделий медицинского назначения (57) ...

Method for inspecting the inside of a narrow hose or tube particularly for medical use

Method and system for inspecting the inside of a small channel, e.g. a flexible tube or hose, particularly for medical use, e.g. included in an endoscope, for the presence of inside contaminations on the wall of the tube, comprising providing the inside of the channel with a liquid having a refractive index which is higher than the refractive index of the channel wall, transmitting a signal into one end of the channel having a wavelength w, comparing the spectrum of the signal received at the other end of the channel with the wavelength w of the transmitted signal and determining, e.g. by a spectrum analyzer, whether the latter signal contains any wavelength w′ which is unequal to the wavelength w of the transmitted signal, and indicating that, when not any wavelength w′ is determined unequal to w, the channel is not contaminated or that, when any wavelength w′ is determined unequal to w, the channel is contaminated. The system may include means for cleaning the inside of the channel by means of said liquid having a refractive index which can be higher than the refractive index of the channel wall which thus is used both as cleaning liquid and as light conducting core.

Ink for electrochromic device and electrochromic device and method of manufacturing the same

Disclosed is ink for an electrochromic device including an electrochromic material, a metal salt, and a solvent. Disclosed also is an electrochromic device that includes a first electrode and a second electrode facing each other, an auxiliary electrode disposed on the first electrode or the second electrode, an electrochromic layer applied on the auxiliary electrode, and an electrolyte interposed between the first electrode and second electrode, wherein the electrochromic layer is formed using ink including an electrochromic material and a metal salt. Disclosed also is a method of manufacturing the electrochromic device.

Method of controlling a decontamination process

A method of controlling a multi-step decontamination process is disclosed. The method comprises assigning articles into a plurality of groups, processing the articles through a first and/or second sub-process of the multi-step decontamination process, quantifying a biological analyte associated with residue on or in the processed articles, and setting action limits for the first and second sub-processes. A method and a system for monitoring the control of the decontamination process are also disclosed.

Cyanoacrylate Adhesive Compositions, Methods of Sterilization of the Compositions, and Articles of Manufacture Containing Such Compositions

The viscosities of 2-cyanoacrylate adhesive compositions are adjusted by the addition of polymeric thickeners to a preferred initial viscosity that will not increase significantly when sterilized by heating them at a temperature of no greater than about 110° C. for no more than about 120 minutes. Articles of manufacture are vials or squeezable tubes containing these compositions.

Test pack to monitor effectiveness of sterilization process

A sterilization test pack, including a base comprising a pair of recessed compartments, wherein the recessed compartments are arranged in a non-concentric relationship and are in fluid communication with each other; a cover attached to the base and forming a sealed enclosure for the recessed compartments; an external channel providing the only fluid communication between the sealed enclosure and an external environment; a selected sterilization indicator in a first of the recessed compartments; and a chemical integrator and/or a chemical indicator in a second of the recessed compartments, in which the external channel is configured to allow only restricted flow of a gaseous sterilization medium into the recessed compartments and the base and cover are otherwise impenetrable by the gaseous sterilization medium.

Method for testing and monitoring the sterility of plant production units

The present invention relates to a method for testing the sterility of a plant by checking for the presence and identifying at least one microorganism.

STERILISATION INDICATOR

A sterilization indicator having a compound that is of the heating type when put into contact with atoms of oxygen O and/or nitrogen N; and a thermochromic dye, in thermal contact with the compound. 1. A sterilization indicator comprising:a first portion comprising a compound having at least one metal that is of the heating type when put into contact with atoms of oxygen O and/or nitrogen N, and a first thermochromic dye in thermal contact with the compound, wherein the thermochromic dye changes color due to a rise in temperature; anda second portion comprising a second thermochromic dye, and not including a compound comprising at least one metal of the heating type when put into contact with atoms of oxygen O and/or nitrogen N, wherein said second portion is not in thermal contact with the first portion.2. The indicator according to claim 1 , wherein the metal is selected from the group consisting of copper claim 1 , titanium claim 1 , steels claim 1 , aluminum claim 1 , and alloys thereof.3. The indicator according to claim 2 , wherein the metal is selected from the group consisting of copper and alloys thereof.4. The indicator according to claim 1 , wherein the compound is in the form of a powder claim 1 , particles claim 1 , filaments claim 1 , or fibers.5. The indicator according to claim 1 , wherein the compound and the first thermochromic dye are in contact with a medium.6. The indicator according to claim 5 , wherein the medium is in the form of a plate or in the form of fibers.7. The indicator according to claim 6 , wherein the medium is selected from the group consisting of cellulose claim 6 , fabrics claim 6 , cotton claim 6 , paper claim 6 , and blotting paper.8. The indicator according to claim 1 , wherein either or both of the first and second thermochromic dyes is an irreversible thermochromic dye. The present invention relates to a sterilization indicator, usable in particular for sterilizing medical or surgical instruments, in particular for dental ...

Biological sterilization indicator system and method

A biological sterilization indicator (BI) system and method. The system can include a BI and a reading apparatus comprising a well. The BI can include a housing, which can include a first portion, and a second portion movable between a first “unactivated” position and a second “activated” position. The BI can further include a frangible container containing a liquid and dimensioned to be positioned in the housing. The reading apparatus can be configured to detect activation of the biological sterilization indicator, for example, by detecting that the second portion is in the second position, and/or by detecting that the liquid from the frangible container is present in a specific chamber of the biological sterilization indicator. The method can include positioning the BI in the well of the reading apparatus and detecting activation, for example, by detecting one or more of the above conditions.

BIOLOGICAL STERILIZATION INDICATOR SYSTEM AND METHOD

A biological sterilization indicator (BI) system and method. The system can include a BI and a reading apparatus comprising a well. The BI can include a housing, which can include a first portion, and a second portion movable between a first “unactivated” position and a second “activated” position. The reading apparatus can detect at least one of (i) when the well is empty; (ii) when the biological sterilization indicator is positioned in the well with the second portion of the housing in the first position, and (iii) when the biological sterilization indicator is positioned in the well with the second portion of the housing in the second position. The method can include detecting at least one of the above conditions, which can be used to detect an activation status of the biological sterilization indicator. 1. A biological sterilization indicator system , the system comprising: [ a first portion, and', 'a second portion adapted to be coupled to the first portion, the second portion being movable with respect to the first portion, when coupled to the first portion, between a first position and a second position; and, 'a housing including'}, 'a container containing a liquid and being dimensioned to be positioned in the housing, at least a portion of the container being frangible, the container positioned in at least the first portion of the housing, the container having a first state in which the container is intact when the second portion of the housing is in the first position, and a second state in which the container is fractured when the second portion of the housing is in the second position; and, 'a biological sterilization indicator comprising when the biological sterilization indicator is positioned in the well with the second portion of the housing in the first position, and', 'when the biological sterilization indicator is positioned in the well with the second portion of the housing in the second position., 'a reading apparatus comprising a well, the well ...

ACOUSTIC RADIATION FOR EJECTING AND MONITORING PATHOGENIC FLUIDS

The invention relates to methods and devices that use focused radiation to handle and/or monitor pathogenic fluids. In particular, a method is provided for dispensing one or more droplets of a fluid containing a pathogen. The method involves providing the pathogen-containing fluid in a reservoir and applying focused radiation to the pathogen-containing fluid in the reservoir in a manner effective to eject a droplet of the fluid therefrom. Often, a pathogen-impermeable enclosure is used. 122.-. (canceled)23. A method for monitoring for a change in the amount and/or concentration of a pathogen in a pathogenic fluid , comprising:(a) providing a pathogen-impermeable enclosure enclosing the pathogenic fluid, wherein the pathogenic fluid comprises a pathogen and a carrier fluid; and(b) acoustically monitoring for a change in the amount and/or concentration of the pathogen enclosed in the pathogen-impermeable enclosure.24. The method of claim 23 , wherein the change is an increase in pathogen content.25. The method of claim 23 , wherein the change is a decrease in pathogen content.26. The method of claim 23 , further comprising claim 23 , before (b) claim 23 , (a′) introducing additional material into the reservoir.27. The method of claim 23 , further comprising claim 23 , after (a) and before (b) claim 23 , (a′) subjecting the enclosure to a temperature change.28. The method of claim 27 , wherein (a′) comprises raising the temperature of the enclosure.29. The method of claim 27 , wherein (a′) comprises subjecting the enclosure to a temperature selected to facilitate an increase in the amount and/or concentration of the pathogen in the enclosure.30. The method of claim 27 , wherein (a′) comprises subjecting the enclosure to a temperature selected to facilitate a decrease in the amount and/or concentration of the pathogen in the enclosure.3153.-. (canceled) This application is a divisional of U.S. patent application Ser. No. 10/199,907, filed Jul. 18, 2002, which is hereby ...

BIOLOGICAL STERILIZATION INDICATOR

A biological sterilization indicator (BI). The BI can include a housing, and a container positioned in the housing. The container can contain a liquid and at least a portion of the container can be frangible. The BI can further include a first chamber and a second chamber. The second chamber can include at least one source of biological activity. The BI can further include a substrate positioned in the housing between the first chamber and the second chamber. The substrate can be positioned in fluid communication with the first chamber and the second chamber, and the substrate can be further positioned such that the substrate is not in direct contact with the source of biological activity. 1. A biological sterilization indicator comprising:a housing:a container containing a liquid and being dimensioned to be positioned in the housing, at least a portion of the container being frangible, the container having a first state in which the container is intact and the liquid is not in fluid communication with an interior of the housing and a second state in which the container is fractured and the liquid is in fluid communication with the interior of the housing;a first chamber in the housing in which the container is positioned when the container is in the first state;a second chamber in the housing in which the container and the liquid are not positioned when the container is in the first state, the second chamber comprising a source of biological activity that is not in fluid communication with the liquid when the container is in the first state and that is in fluid communication with the liquid when the container is in the second state; anda substrate positioned in the housing between the first chamber and the second chamber, the substrate positioned in fluid communication with the first chamber and the second chamber, the substrate further positioned such that the substrate is not in direct contact with the source of biological activity,further comprising a wall ...

Apparatus and Method for Process Challenge Devices

A process challenge device tailored to mimic the resistance of a particular product to a particular biological inactivation, disinfection, or sterilization process, and used to challenge the process, thus providing a means to validate the efficacy of the process. The process challenge device is used by subjecting the device containing indicator organisms to an inactivation or sterilization process, and culturing any surviving indicator organisms as a means to assess the efficacy of procedures for the inactivation of microorganisms. The device uses a self-containing biological indicator (SCBI) with a biological indicator and media ampule located within a plastic vial. By altering the materials and/or configuration of the SCBI a wide range of resistances to sterilant gas processes may be achieved. 2. The process challenge device of claim 1 , further comprising an original cap claim 1 , wherein said original cap is removed and replaced with said sterilization cap.3. The process challenge device of claim 1 , wherein the sterilization cap has an opening therethrough claim 1 , said opening sized and shaped to provide a selected resistance to a sterilization process.4. The process challenge device of claim 1 , wherein the sterilization cap is a membrane barrier film sealed to the vial.5. A method of creating a process challenge device claim 1 , the method comprising:(a) obtaining a self-contained biological indicator having a biological indicator and a media ampule located within a chamber;(b) and modifying the chamber to achieve a selected sterilization process resistance.6. The method of claim 5 , wherein step (b) is achieved by substituting a membrane barrier film for an original cap filter located in a cap of the chamber.7. The method of claim 6 , wherein the membrane barrier film has greater resistance to sterilizing gases than the original cap filter.8. The method of claim 6 , wherein the membrane barrier film is sealed to a top of the chamber.9. The method of claim ...

REAL TIME INDICATOR FOR QUATERNARY AMMONIUM COMPOUND CONCENTRATION

The present disclosure generally relates to a color indicator that signals when the concentration of an antimicrobial solution changes. In some embodiments, the color indicator is specific for changes in the concentration of an antimicrobial quaternary ammonium compound in an antimicrobial solution. The color indicator can be incorporated into a variety of articles including towels, labels, containers, buckets, trays, sinks, spray bottles, liners for containers, buckets, sinks, or spray bottles, indictor wands or strips, and test kits. 1. A plastic article comprising:(a) a shaped plastic; and(b) a color changing dye selected from the group consisting of anionic dyes that are purple in the presence of quaternary ammonium compounds, wherein the dye imparts a color-changing property to the article such that the article is a first color if the concentration of a quaternary ammonium compound is above a threshold and a second color if the concentration of the quaternary ammonium compound is below the threshold.2. The plastic article of claim 1 , wherein:(a) the plastic is selected from the group consisting of high density polyethylene, low density polyethylene, linear low density polyethylene, ethylene vinyl acetate, ethylene methyl acrylate, ethylene acrylic acid, ethylene methacrylic acid, polypropylene, polyethylene terephthalate, polyvinyl chloride, polystyrene, and mixtures thereof; and(b) the color changing dye is selected from the group consisting of Acid Violet 148, bromothymol blue, alkali purple, and mixtures thereof.3. The article of claim 1 , wherein the threshold is 100 ppm of the quaternary ammonium compound.4. The article of claim 1 , wherein the dye is pH stable.5. The article of claim 1 , wherein the article is configured to be a bucket claim 1 , a sink claim 1 , a spray bottle claim 1 , an applicator claim 1 , a strip claim 1 , a coupon claim 1 , or a spayer dip tube.6. A method of monitoring the concentration of quaternary ammonium compound using an ...

METHOD AND DEVICE FOR TESTING TREATMENTS WHICH INTRODUCE ENERGY INTO OBJECTS

The method comprises the following steps: bonding at least one chemical, optically luminescent compound () onto at least one indicator element () for testing the treatments (), wherein at least one luminescence property of the chemical compound () can be changed; assigning at least one indicator element () to the object (); wherein the indicator element () and the object () are simultaneously subjected to the same conditions of the energy-introducing treatment (); changing the luminescence property of the chemical compound (), wherein the level of the change to the luminescence property depends upon the energy-introducing treatment (); irradiating () the chemical compound () with electromagnetic radiation directed onto the indicator () for excitation of the luminescence during the energy-introducing treatment or following the energy-introducing treatment (). 1141. Method for testing of energy entering treatments () on objects () comprising the following steps{'b': 3', '6', '14', '3, 'bonding of at least one chemical compound () capable of optical luminescence, on at least one indicator element () for testing the treatments (), wherein at least one luminescence property of the chemical compound () is changeable,'}{'b': 6', '1', '6', '1', '14, 'coordinating of at least one indicator element () to the object (), wherein the indicator element () and the object () are simultaneously subjected to the same conditions of the energy entering treatment (),'}{'b': 3', '14, 'changing of the luminescence property of the chemical compound (), wherein the level of the change of the luminescence property depends on the energy entering treatment (),'}{'b': 13', '3', '6', '14', '14', '14, 'irradiation () of the chemical compound () with an electromagnetic radiation directed toward the indicator element () for exciting of luminescence during the energy entering treatment or following to the energy entering treatment () for detection of energy entering momentary treatment () or energy ...

THERMOCHROMIC INK AND DOCUMENT PRINTED THEREWITH

A document which may be a security document has a thermochromic coating which may be a thermochromic ink on the substrate of the document. The ink may include several thermochromic materials which transition from various different colors to substantially clear in appearance as the ink is warmed to various temperatures. The combination of the colors of the thermochromic materials can give the document a different color at a number of different temperatures, until the coating is warmed to the highest color change point. When at or above the highest color change temperature, the coating becomes substantially transparent and the printed area assumes the color of the underlying substrate. The coating may also include non-reactive materials of yet another color that mixes with the colors of the thermochromic materials. The document may additionally include printed indicia on the substrate that are masked by the thermochromic materials at certain temperatures, and not masked by the thermochromic materials at other temperatures. 1. A thermochromic ink , comprising:a first thermochromic material that appears as a first color when it is below a first temperature and that appears substantially transparent when it is above said first temperature, anda second thermochromic material that appears as a second color when it is below a second temperature and that appears substantially transparent when it is above said second temperature, said second temperature being higher than said first temperature,whereby said ink appears as a third color which is a mixture of said first and second colors when said ink is at a temperature that is less than said first temperature, said ink appears as said second color when said ink is at a temperature that is less than said second temperature and greater than said first temperature, and said ink appears substantially colorless when said ink is at a temperature that is greater than said second temperature.2. The thermochromic ink of claim 1 , in ...

TAGGANT PARTICLE GROUP; AND ANTI-COUNTERFEIT INK, ANTI-COUNTERFEIT TONER, ANTI-COUNTERFEIT SHEET, AND ANTI-COUNTERFEIT MEDIUM COMPRISING SAME

A main object of the invention is to provide a taggant particle group that has a plurality of authentication steps and an excellent anti-counterfeit effect and can be applied to various anti-counterfeit media. The invention attains the object by providing a taggant particle group which is an aggregate of taggant particles which individually have a plurality of identification information items, wherein one identification information item among the plurality of identification information items possessed by the individual particles is common identification information that is possessed in common by the taggant particles that constitute the taggant particle group, and another identification information item among the plurality of identification information items possessed by the individual particles is non-common identification information of which the authenticity can be determined in combination with other identification information items possessed by other taggant particles that constitute the taggant particle group. 1. A taggant particle group which is an aggregate of taggant particles which individually have a plurality of identification information items , whereinone identification information item among the plurality of identification information items possessed by the individual particles is common identification information that is possessed in common by the taggant particles that constitute the taggant particle group, andanother identification information item among the plurality of identification information items possessed by the individual particles is non-common identification information of which authenticity can be determined in combination with other identification information items possessed by other taggant particles that constitute the taggant particle group.2. An anti-counterfeit ink comprising the taggant particle group according to .3. An anti-counterfeit toner comprising the taggant particle group according to .4. An anti-counterfeit sheet ...

STERILIZATION INDICATORS INCLUDING A POROUS CARRIER AND METHODS

Sterilization indicators that include a unique porous carrier, such indicators useful for testing the effectiveness of a sterilization procedure by measuring the activity of an active enzyme whose activity is correlated with the survival of microorganisms. 1. A sterilization indicator for testing the effectiveness of a sterilization procedure , the indicator comprising:a container having at least one opening to allow a sterilant to enter the container during the sterilization procedure;a porous carrier contained within the container and occupying at least 5% of the volume of the container;biological material distributed within the porous carrier, the biological material being correlated with the survival of at least one test microorganism commonly used to monitor the effectiveness of a sterilization procedure, wherein the biological material is inactivated as a result of an effective sterilization procedure, and provides a detectable indication as a result of an ineffective sterilization procedure; andmeans for forming a detectable indication of the failure of a sterilization procedure.2. The sterilization indicator of claim 1 , wherein the biological material comprises a source of an active enzyme claim 1 , wherein the active enzyme has an enzyme activity that is correlated with the survival of at least one test microorganism commonly used to monitor the effectiveness of a sterilization procedure; wherein the source of the active enzyme is inactivated by a sterilization procedure that is lethal to the test microorganism claim 1 , wherein the source of the active enzyme is not inactivated by a sterilization procedure that is sublethal to the test microorganism claim 1 , wherein the means for forming the detectable indication comprises a means for forming an enzyme-modified product.3. The sterilization indicator of claim 2 , wherein the container defines an outer container claim 2 , and wherein the means for forming the detectable indication comprises a breakable ...

Bioindicator

The bioindicator () intended for verifying the effectiveness of a sterilization process carried out in a working chamber () of a containment system initially has an outer microporous envelope () which is permeable to a sterilizing agent () but impermeable to microorganisms (). The carrier () accommodated in the interior () of the bioindicator () is provided with a determined quantity and type of microorganisms (). The envelope () comprises a fixing means () which is intended for temporarily and detachably positioning the bioindicator () in the working chamber (). The fixing means () is an adhesive strip which is provided with a detachable coating (). The carrier () may be detachably fixed in the interior of the envelope () by means of a receptacle (). The receptacle () takes the form of a pocket, an adhesive joint or tear-off point. On the outer surface (), the envelope () has a labeling area () to which a symbol carrier () may be affixed permanently or detachably. The labeling area () directly and/or the symbol carrier () are intended for application of a code (). The interior () is defined by a primary closure () which may be supplemented with a repeatedly toggleable secondary closure (). 11901. A bioindicator () which is intended for verifying the effectiveness of a sterilization process carried out in a working chamber () of a containment system , wherein the bioindicator () comprises:{'b': 3', '34', '8', '20, 'a) a microporous envelope () on the outside which has an outer surface () and is permeable to a sterilizing agent () but impermeable to microorganisms (); and'}{'b': 2', '10', '20, 'b) a carrier () arranged in an interior () and with a determined quantity and type of microorganisms () applied thereto, characterized in that'}{'b': 3', '4', '34', '1', '90, 'c) the envelope () comprises fixing means () on the outer surface (), which fixing means is intended for temporarily and detachably positioning the bioindicator () in the working chamber ().'}21440. The ...

BIOLOGICAL STERILIZATION INDICATOR AND METHOD OF USING SAME

A biological sterilization indicator (BI) and method of using same. The BI can include a housing, and a container positioned in the housing. The container can contain a liquid and at least a portion of the container can be frangible. The BI can further include a first chamber and a second chamber. The second chamber can include at least one source of biological activity. The BI can further include a first fluid path positioned to fluidly couple the first chamber and the second chamber, and a second fluid path positioned to allow displaced gas to move out of the second chamber. The method can include moving displaced gas out of the second chamber via the second fluid path as a sterilant is moved into the second chamber via the first fluid path and/or as the liquid is moved into the second chamber via the first fluid path. 1. A biological sterilization indicator comprising:a housing;a container containing a liquid and being dimensioned to be positioned in the housing, at least a portion of the container being frangible, the container having a first state in which the container is intact and the liquid is not in fluid communication with an interior of the housing and a second state in which the container is fractured and the liquid is in fluid communication with the interior of the housing;a first chamber in the housing in which the container is positioned when the container is in the first state;a second chamber in the housing in which the container and the liquid are not positioned when the container is in the first state, and into which a sterilant moves when the container is in the first state and into which the liquid moves when the container is in the second state, the second chamber comprising at least one source of biological activity that is not in fluid communication with the liquid when the container is in the first state and that is in fluid communication with the liquid when the container is in the second state;a first fluid path positioned to fluidly ...

SPOILAGE DETECTION USING ELECTROMAGNETIC SIGNAL AND MATHEMATICAL MODELING

The present disclosure provides a system for inspecting a package () having a substance subject to spoilage. An electromagnetic signal (e.g., a terahertz frequency signal) is directed to the package (), and an attenuated signal is received and sampled to generate a set of data points. A peak within the set of data points is detected, and the data points are shifted with respect to time to align the detected peak with a predetermined time. The set of shifted data points are compared to a mathematical model to determine whether the substance in the package () is spoiled. 115-. (canceled)16. An apparatus for determining whether a substance in a package is spoiled , said apparatus comprising:an electromagnetic source for generating an electromagnetic signal;an electromagnetic scan system for receiving the generated electromagnetic signal, directing the received signal at the package, and receiving an attenuated electromagnetic signal; anda processor for determining whether the package contains spoiled substance as a function of the received attenuated electromagnetic signal.18. The apparatus of wherein the substance is a biological fluid and is aseptically packaged claim 16 , and wherein the package is substantially transparent with respect to a frequency of the electromagnetic signal and comprises at least one of linear low density polyethylene (LLDPE) claim 16 , barrier coated polyethylene terephthalate (PET) claim 16 , aluminum oxide coated PET claim 16 , ethylene vinyl alcohol (EVOH) claim 16 , Silicone Oxide (SiOx) claim 16 , and High Density Polyethylene (HDPE).19. The apparatus of wherein the electromagnetic scan system comprises a transmitter located on a first side of the package and a receiver located on a second side of the package such that the attenuated signal is the electromagnetic signal after having passed through the package and substance.20. The apparatus of wherein the electromagnetic scan system comprises a scan head for directing the received ...

Interactive Coating for End Printing

Thermochromic coatings are improved by mixing thermochromic capsules with polymer resins in a manner that imparts shelf stability to flowable precursors that may be cured quickly using dodecylbenzenesulfonic acid and/or other acid catalysts to form relatively hard coatings that are capable of withstanding machine operations, such as the operations needed to make beverage can lids, bottle caps, pull tabs and the like. 1. A reversible thermochromic coating for use in can and coil coatings , said reversible thermochromic coating comprising ,a reversible thermochromic pigment in an amount from 1% to 50% by weight of the coating, anda vehicle forming the balance of the coating,the vehicle including a resin selected from the group consisting of polyester, polyurethane, urethane, acrylic acid and acrylate resins, and combinations thereof; anda curing agent comprising benzenesulfonic acid substituted at any position with at least one alkyl group of from about 1 to about 20 carbons.2. The coating of wherein the curing agent is dodecylbenzenesulfonic acid.3. The coating of wherein the curing agent is selected from the group consisting of A 40S; ABS 100; Ambicat LE 4476; B 121; B 121 (surfactant); Bio-Soft S 100; Bio-Soft S 101; Biosoft S 126; Calsoft LAS 99; Cat 6000; Catalyst 600; Catalyst 6000; Cycat 600; DBS; Dobanic acid; Dodecylbenzenesulphonic acid; E 7256; Elfan WA Sulphonic Acid; LAS 99; Laurylbenzenesulfonic acid; Lipon LH 500; Maranil DBS; Marlon AS 3; Nacconol 98SA; Nacure 5074; Nacure 5076; Nansa 1042; Nansa 1042P; Nansa SSA; Neopelex FS; Neopelex GS; Neopelex GS-P; P 3 Vetralat; Pelex F 25; Polystep A 13; Rhodacal SSA/A; Richonic Acid B; S 100; Soft Osen 5S; Sulfosoft; Sulframin 1298; Sulframin Acid 1298; Taycacure AC 430; Taycapower L 120D; Taycapower L 121; Taycapower L 122; Ufacid K; Witco 1298; Witco 1298 Acid Soft; Witco 1298 Soft Acid; Witconic 1298 Hard Acid; Witconic 1298 Soft Acid; blocked or unblocked acid catalysts; Decotherm 255e claim 1 , Nacure 2500 ...

AZO COMPOUND AND INK CONTAINING THE COMPOUND

An object of the present invention is to provide an ink containing an azo compound which is excellent in solubility in a solvent and has a high extinction coefficient. The present invention relates to an ink comprising a solvent having a relative permittivity of 3 or less, as measured at a frequency of 1 kHz and at 22° C. and having a solubility in water of 20 mg/L or less at 25° C. and a specific azo compound. 2. The ink according to claim 1 , wherein the solvent contains at least one selected from the group consisting of hydrocarbon solvents claim 1 , silicone oils claim 1 , and fluorocarbon solvents.3. The ink according to claim 1 , wherein the product of a molar extinction coefficient ε (L·mol·cm) at the absorption-maximum wavelength of an n-decane solution of the azo compound and a saturated concentration C (mol·L) of the azo compound in n-decane at 5° C. claim 1 , εC claim 1 , is 1 claim 1 ,000 cmor larger.4. The ink according to claim 1 , which further comprises at least one selected from the group consisting of heterocyclic compounds claim 1 , cyanovinyl compounds claim 1 , and anthraquinone compounds.8. The ink according to claim 1 , which is for use in a display or optical shutter.9. A display comprising a display part containing the ink according to claim 1 , wherein an image is displayed by controlling voltage application to the display part.10. The display according to claim 9 , wherein the display part further contains electrophoretic particles or an aqueous medium.11. The display according to claim 9 , wherein an image is displayed by changing a colored state by means of voltage application.12. The display according to claim 9 , wherein an image is displayed by an electrowetting system or an electrophoretic system.13. An electronic paper which comprises the display according to . The present invention relates to an azo compound and an ink containing the compound. More particularly, the invention relates to an azo compound having a specific chemical ...

Audio and Light Fungal Growth Indicator

A device was invented with a sensor that would allow for determining fungal growth. When fungal growth occurs the sensors would be activated emitting audio, light and actual voice commands. The device provides; a low cost, simplicity of use and function, and its ability to fulfill a need for the means to determine growth of fungi placed behind closed doors or beyond the point of view. This device may be used for pathogenic fungal growth in medical and veterinary facilities, also in laboratories examining environmental pollution. The automatic sensing methodology also allows for a reduced chance for the preparer to be contaminated through exposure by reducing the need of continual examination of the fungal growth.

LIQUID-ACTIVATED FORMULATION WITH HOT MELT BINDING MATRIX

A liquid-activated formulation is provided, comprising a liquid-activated colorant, a hydrochromic ionic compound, an opacifier, and a hot melt binding matrix. 1. A liquid-activated formulation comprising: (A) a liquid-activated colorant; (B) a hydrochromic ionic compound; (C) an opacifier; and (D) a hot melt binding matrix.2. The liquid-activated formulation of claim 1 , wherein the hot melt binding matrix comprises at least one binding agent selected from the group consisting of acrylic-based binders claim 1 , adhesives claim 1 , hot melt adhesive components claim 1 , waxes and modified waxes like oxidized waxes claim 1 , surfactants claim 1 , rosin esters claim 1 , rosins and polymerized rosins claim 1 , modified styrene-acrylic polymers and their salts claim 1 , polyethylene glycols claim 1 , polymerized rosins claim 1 , styrenated terpenes claim 1 , polyterpene resins claim 1 , terpene phenolics claim 1 , quaternary ammonium compounds claim 1 , quaternary polymers claim 1 , rubbers claim 1 , latexes and latex emulsions claim 1 , cationic clay materials claim 1 , ethoxylated quaternary ammonium compounds claim 1 , quaternized silicone compounds claim 1 , cationic guars claim 1 , cationic exchange resins claim 1 , anionic exchange resins claim 1 , and combinations thereof.3. The liquid-activated formulation of claim 1 , wherein the binding matrix comprises a first binding agent and a second binding agent.4. The liquid-activated formulation of claim 1 , wherein the hot melt binding matrix is a hot melt adhesive matrix.5. The liquid-activated formulation of claim 1 , further comprising one or more selected from the group consisting of a stabilizer claim 1 , a surfactant claim 1 , a structural adjunct claim 1 , and combinations thereof.6. The liquid-activated formulation of claim 5 , wherein said stabilizer is selected from the group consisting of monostearyl phosphate claim 5 , citrate esters claim 5 , alcohol ethoxycarboxylates claim 5 , glycolate esters claim 5 , ...

WASH MONITOR AND METHOD OF USE

The present disclosure provides a monitoring device comprising a test composition, a test element comprising a test portion to which the test composition is releasably adhered, a detection reagent, and a container comprising a first end with an opening and a second end opposite the first end. The test composition comprises a predetermined quantity of tracer analyte. The container is configured to receive the test portion and configured to be operationally coupled to an analytical instrument. The tracer analyte and the detection reagent each are capable of participating in one or more chemical reaction that results in the formation of a detectable product. A method of using the monitoring device to assess the efficacy of a washing process is also provided. 1. A monitoring device , comprising:a test composition comprising a predetermined quantity of tracer analyte;a test element comprising a test portion to which the test composition is releasably adhered;a detection reagent; anda container comprising a first end with an opening and a second end opposite the first end;wherein the container is configured to receive the test portion and configured to be operationally coupled to an analytical instrument;wherein the tracer analyte and the detection reagent are capable of participating in one or more chemical reaction that results in the formation of a detectable product.2. The monitoring device of claim 1 , wherein the test portion comprises at least one recessed area claim 1 , wherein the test composition is adhered in the recessed area.3. The monitoring device of claim 1 , wherein the test composition further comprises a polymeric binder.4. The monitoring device of claim 1 , wherein the tracer analyte is selected from the group consisting of a plurality of viable microorganisms or a biomolecule associated therewith claim 1 , an acid claim 1 , a base claim 1 , a nucleotide claim 1 , a protein claim 1 , a nucleic acid claim 1 , a carbohydrate claim 1 , or hemoglobin.5. ...

NEAR INFRARED ABSORBERS

An ink formulation having a marking component and a reduced indium tin oxide (r-ITO) is disclosed. The r-ITO in powder form exhibits a lightness (L*), according to the 1976 CIE (L*, a*, b*) space, of not more than 50. 154.-. (canceled)55. An ink formulation comprising a marking component and reduced indium tin oxide (r-ITO) , which r-ITO in powder form exhibits a lightness (L*) , according to the 1976 CIE (L* ,a* ,b*) space , of not more than 50.56. The ink formulation according to claim 55 , wherein said r-ITO in powder form exhibits a lightness (L*) claim 55 , according to the 1976 CIE (L* claim 55 ,a* claim 55 ,b*) space claim 55 , of at least 20.57. The ink formulation according to or claim 55 , wherein more than 0 (zero) molar % of the tin in said reduced indium tin oxide (r-ITO) claim 55 , is tin in the zero oxidation state claim 55 , or more than 25 molar % of the tin in said reduced indium tin oxide (r-ITO) claim 55 , is tin in the zero oxidation state claim 55 , and/or not more than 75 molar % claim 55 , of the tin in the reduced indium tin oxide (r-ITO) claim 55 , is tin in the zero oxidation state.58. The ink formulation according to claim 55 , wherein said reduced indium tin oxide is present in the form of particles with a median particle size in the range from 10 nm to 10 pm claim 55 , or the median particle size is less than 1 μm claim 55 , such as less than 250 nm.59. The ink formulation according to claim 55 , wherein the In:Sn weight ratio in said reduced indium tin oxide (r-ITO) is less than 12:1 claim 55 , such as between 6:1 and 12:160. The ink formulation according to claim 55 , wherein the marking component comprises a molybdate claim 55 , such as an octamolybdate and ammonium octamolybdate claim 55 , or claim 55 , the marking component is a leuco dye claim 55 , a char forming agent claim 55 , or di-acetylene claim 55 , which may be activated be exposure to heat and which activated di-acetylene may undergo a color change upon exposure to UV- ...

SANITATION SYSTEMS FOR AIRCRAFT

A sanitization system can include a housing defining an interior volume, and one or more FAR-UVC light sources disposed within the housing and configured to irradiate at least a portion of the interior volume. The interior volume can be configured to receive one or more user hands or portions thereof to sanitize the one or more user hands and/or portions thereof. 1. A sanitization system , comprising:a housing defining an interior volume; andone or more FAR-UVC light sources disposed within the housing and configured to irradiate at least a portion of the interior volume, wherein the interior volume is configured to receive one or more user hands or portions thereof to sanitize the one or more user hands and/or portions thereof.2. The system of claim 1 , wherein the one or more FAR-UVC light sources include at least one FAR-UVC light source disposed on each internal surface of each wall of the housing.3. The system of claim 2 , wherein the housing defines an enclosed chamber having an opening.4. The system of claim 3 , wherein the housing includes five walls.5. The system of claim 3 , further comprising a proximity sensor disposed on or within the housing and configured to detect when a user has inserted a hand and/or portion thereof into the enclosed chamber.6. The system of claim 5 , further comprising a control module operatively connected to the proximity sensor and to each FAR-UVC light sources to turn on each FAR-UVC light source when a user's hand and/or portion thereof is detected by the proximity sensor.7. The system of claim 3 , further comprising one or more visible lights disposed within the internal volume to indicate that the device is active when in use claim 3 , wherein the control module is configured to turn on the one or more visible lights when the one or more FAR-UVC light sources are turned on.8. The system of claim 1 , wherein the one or more FAR-UVC light sources is a FAR-UVC LED that emits light between about 207 nm to about 222 nm.9. An ...

USE OF FLUORESCENT POLYMERS IN MARKING COMPOSITIONS FOR THE DIAGNOSTIC DETERMINATION OF CLEANING PERFORMANCE

The present invention generally relates to fluorescent marking compositions and their use to determine whether a surface has been cleaned. More particularly, the marking compositions comprise fluorescent polymers. 135.-. (canceled)38. The composition of claim 37 , whereinthe fluorescent monomer unit has the structure (I) and is 4-methoxy-N-(3-N′,N′-dimethylaminopropyl)naphthalimide vinyl benzyl chloride quaternary salt, 4-methoxy-N-(3-N′,N′-dimethylaminopropyl)naphthalimide 2-hydroxy-3-allyloxypropyl chloride quaternary salt, or 4-methoxy-N-(3-N′,N′-dimethylaminopropyl)naphthalimide allyl chloride quaternary salt;the fluorescent monomer unit has the structure (II) and is N-allyl-4-(2-N′,N′-dimethylaminoethoxy)naphthalimide methyl sulfate quaternary salt; orthe fluorescent monomer unit has the structure (III) and is 5-allyloxy-4′-carboxy-1,8-naphthoylene-1′,2′-benzimidazole or 6-vinylbenzyloxy-4′-carboxy-1,8-naphthoylene-1′,2′-benzimidazole.40. The composition of claim 39 , whereinthe fluorescent monomer unit has the structure (IV) and is sulfonated-N-(3-N′,N′-dimethylaminopropyl)benzo (k,l) xanthene-3,4-dicarboxylic imide 2-hydroxy-3-allyloxypropyl quaternary salt, sulfonated-N-(3-N′,N′-dimethylaminopropyl)benzo (k,l) xanthene-3,4-dicarboxylic imide vinyl benzyl chloride quaternary salt, or sulfonated-N-(3-N′,N′-dimethylaminopropyl)benzo (k,l) xanthene-3,4-dicarboxylic imide allyl chloride quaternary salt; orthe fluorescent monomer unit has structure (V) and is N-(3-N′,N′-dimethylaminopropyl)benzo (k,l) xanthene-3,4-dicarboxylic imide allyl chloride quaternary salt.43. The composition of claim 42 , wherein the polymer has the formula GQWor GQWSand wherein Q is acrylic acid; the polymer has the formula GQWand wherein Q is acrylic acid and W is acrylamide; the polymer has the formula GQWand wherein Q is acrylic acid and W is 2-acrylamido-2-methylpropane sulfonic acid; or the polymer has the formula the GQWSand wherein Q is acrylic acid claim 42 , W is acrylamide claim ...

BIOLOGICAL INDICATOR FOR MONITORING A LOW-TEMPERATURE STERILIZATION PROCESS

An article and method are provided for assessing the efficacy of a sterilization process. The article comprises an outer container having an interior volume; a dry source of measurable biological activity disposed in the interior volume; and an effective amount of a dry agent for neutralizing a sterilant compound; wherein both the source of measurable biological activity and the agent are in vapor communication with an environment outside the outer container. The method comprises exposing the article to a first sterilant and, optionally, a second sterilant for a period of time and detecting the measurable biological activity. 1. An article , comprising:an outer container having an interior volume, a first end comprising an opening, and a second end;a dry source of measurable biological activity disposed in the interior volume; andan effective amount of a dry agent for neutralizing hydrogen-peroxide, the agent being disposed in the interior volume;wherein both the source of measurable biological activity and the agent are in vapor communication with an environment outside the outer container.2. The article of claim 1 , further comprising a layer that is permeable to hydrogen peroxide claim 1 , wherein the layer is coupled to the outer container or the closure claim 1 , wherein the layer is interposed between the source of measurable biological activity and the environment outside the outer container.3. The article of claim 1 , wherein the source of measurable biological activity comprises an enzyme activity or a microorganism capable of reproducing.4. The article of claim 1 , wherein a portion of the source of measurable biological activity is disposed in a first coating.5. The article of claim 4 , wherein the article further comprises a first substrate claim 4 , wherein the first coating is disposed on the first substrate.6. The article of claim 1 , wherein the agent is selected from a group consisting of catalase claim 1 , a thiosulfate salt claim 1 , a bisulfite ...

Sterilization Container With Battery Powered Sensor Module For Monitoring The Environment In The Container

A sterilization container with a sensor module for monitoring the environmental characteristics internal to the container. The sensor module includes a normally closed end bore. A sensor is disposed in the closed end void space. Other sensors also part of the module monitor the pressure and temperature of the environment inside the container. Based on the measurements of the environment in the container and the environment within the closed end void space it is possible to determine the extent to which the container is filled with saturated steam.

FLUID DELIVERY SYSTEM INCLUDING A DISINFECTANT DEVICE

A fluid delivery system illustratively includes a spout, at least one valve in fluid communication with the spout, and a disinfectant device, illustratively an antibacterial device, fluidly coupled to the spout. The faucet is configured to selectively flow water through the disinfectant device in response to a user input to the faucet. In another illustrative embodiment, the fluid delivery system includes an outer housing, a plurality of fluid devices supported by the outer housing, and an ozone generator fluidly coupled to the fluid devices. 1. A faucet comprising:a spout including a waterway defining an outlet;at least one valve in fluid communication with the waterway of the spout;a controller in communication with the at least one valve; anda disinfectant device fluidly coupled to the waterway of the spout, the faucet being configured to selectively flow fluid through the disinfectant device in response to an input to the controller.2. The faucet of claim 1 , wherein the disinfectant device includes an antibacterial device.3. The faucet of claim 2 , wherein the antibacterial device includes an electrolytic ozone generator.4. The faucet of claim 3 , wherein the antibacterial device includes a first electrolytic ozone generator in serial fluid communication with a second electrolytic ozone generator.5. The faucet of claim 3 , wherein the ozone generator comprises:an outer cartridge; a first housing;', 'an anode coupled to the first housing;', 'a second housing', 'a cathode coupled to the second housing;', 'a separator positioned between the anode and the cathode; and', 'a holder that couples the first housing to the second housing independently of the outer cartridge., 'an electrolytic cell assembly received within the outer cartridge, the electrolytic cell assembly comprising6. The faucet of claim 1 , further comprising a sensor in communication with the controller and configured to detect a user's hands in proximity to the spout claim 1 , the controller ...

METHOD OF PRINTING SECURITY CODE

A method of printing a security code on an article includes applying droplets of an ink composition with an ink jet printer to a surface of an article to print an encrypted code. The ink composition includes an organic solvent, a binder resin, and a luminescent dye. 1. A method of printing a security code on an article comprising:applying droplets of an ink composition with an ink jet printer to a surface of an article to print an encrypted code, an organic solvent;', 'a binder resin; and', 'a luminescent dye., 'wherein the ink composition comprises2. The method of wherein the organic solvent comprises a ketone claim 1 , an alcohol claim 1 , or a mixture thereof claim 1 , and is present in an amount in a range of 60% to 90% by weight of the ink composition.3. The method of wherein the luminescent dye is selected from the classes of aromatic claim 1 , substituted aromatic claim 1 , heterocyclic claim 1 , cyanine claim 1 , xanthene claim 1 , acridine claim 1 , phenazine claim 1 , napthol claim 1 , porphyrrin claim 1 , coumarin claim 1 , pyrromethene claim 1 , oxazine claim 1 , oxazole claim 1 , perylene claim 1 , and napthalimide dyes claim 1 , and combinations thereof.4. The method of wherein the ink composition comprises two or more different luminescent dyes wherein each luminescent dye has a different luminescence emission profile.5. The method of wherein the luminescent dyes comprise an invisible fluorescent dye that absorbs ultraviolet light while emitting light in a wavelength range between 400 and 550 nm claim 4 , and one or more visible fluorescent dyes that absorbs light in a wavelength range between 400 and 550 nm and emit light above 550 nm claim 4 , wherein an emissive peak of the invisible fluorescent dye is separated by at least 50 nm from an emissive peak of the visible fluorescent dye.6. The method of wherein the ink composition comprises a solubilising agent selected from cyclic ketones; heterocyclic amides; cyclic alcohols; furans; and mixtures ...

SAMPLE PREPARATION UNIT AND SAMPLE PREPARATION DEVICE

Sample preparation unit, preferably for sterility testing: a housing body including at least two ports adapted to serve as fluid inlet and/or fluid outlet, a membrane support, and a lid part such that a membrane chamber is defined adjacent said membrane support. One of at least two ports is arranged so as to allow a fluid transfer to/from a first volume of the membrane chamber at a position upstream of a membrane to be placed on the membrane support, and the other ports arranged to allow fluid transfer to/from a second volume of said membrane chamber at a position downstream of a membrane to be placed on said membrane support. A movable part is provided on housing body such that the movable part and housing body are movable relative to each other, selectively interrupting/establishing fluid transfer between at least one of two ports and the membrane chamber. 1. A sample preparation unit , preferably for sterility testing , comprising:a housing body including at least two ports adapted to serve as fluid inlet and/or fluid outlet, a membrane support, and a lid part provided such that a membrane chamber is defined adjacent said membrane support,wherein one of said at least two ports is arranged so as to allow a fluid transfer to/from a first volume of said membrane chamber at a position upstream of a membrane to be placed on said membrane support, and the other of said ports is arranged to allow fluid transfer to/from a second volume of said membrane chamber at a position downstream of a membrane to be placed on said membrane support, anda movable part provided on said housing body such that said movable part and said housing body are movable relative to each other, thereby selectively interrupting/establishing the fluid transfer between at least one of the at least two ports and said membrane chamber.2. The sample preparation unit according to claim 1 , wherein said movable part and said housing body are rotatable relative to each other.3. The sample preparation unit ...

COMPOSITIONS AND METHODS FOR PROVIDING IDENTIFYING PACKAGING

A composition may include an aqueous base and at least one identifying additive. The at least one identifying additive may include an alkaline earth metal compound and a fluorescence activator. The at least one identifying additive may be configured such that the composition emits fluorescent light having an identifying characteristic different from a characteristic of a surface against which the identifying characteristic is viewed. A composition may include an aqueous base and at least one identifying additive including an alkaline earth metal compound and a fluorescence activator including at least one other inorganic element. The at least one identifying additive may be configured such that the composition emits fluorescent light having an identifying characteristic. A label or packaging for identifying at least one of an object and a source of the object may include a composition including at least one identifying additive associated with a surface associated with the label or packaging. 1. A composition comprising:a base material comprising at least one alkaline earth metal compound doped with an inorganic fluorescence activator,wherein the composition emits a fluorescent response when irradiated, andwherein the composition is configured as at least one of a coating composition, a paper making composition, a sizing composition, an ink composition, a varnish composition, and a polymer composition.2. The composition of claim 1 , wherein the base material comprises a resin claim 1 , a fusible powder claim 1 , an aqueous composition claim 1 , or a solvent composition.3. The composition of claim 1 , wherein the alkaline earth metal compound comprises an alkaline earth metal salt.4. The composition of claim 3 , wherein the alkaline earth metal salt is an alkaline earth metal carbonate.5. The composition of claim 4 , wherein the alkaline earth metal carbonate comprises at least one of calcium carbonate claim 4 , barium carbonate claim 4 , and magnesium carbonate.6. ...

SYSTEMS AND METHODS FOR CONFIRMING ACTIVATION OF BIOLOGICAL INDICATORS

Biological indicators may be improperly activated. The disclosed subject matter is directed to methods of confirming that a biological indicator having an ampule containing a growth medium has been properly activated such that it may be assayed. The methods may include the steps of measuring a first fluorescence intensity of the biological indicator, heating the biological indicator; quenching the fluorescence intensity of the biological indicator from the first fluorescence intensity to a second fluorescence intensity, measuring the second fluorescence intensity; comparing the second fluorescence intensity and first fluorescence intensity to obtain a comparison value; and determining that the comparison value corresponds to a quenching metric of the liquid growth medium. 1. A method for assessing a status of a biological indicator containing an ampule having a liquid growth medium , comprising:depressing a cap of the biological indicator;breaking the ampule;positioning the biological indicator into a biological indicator analyzer having a heating element, a light source, and a fluorescence sensor;activating the heating element;measuring a first fluorescence intensity of the biological indicator;quenching the fluorescence intensity of the biological indicator from the first fluorescence intensity to a second fluorescence intensity;measuring the second fluorescence intensity;comparing the second fluorescence intensity and first fluorescence intensity to obtain a comparison value; anddetermining that the comparison value corresponds to a quenching metric of the liquid growth medium.2. The method of claim 1 , wherein the step of quenching the fluorescence intensity of the biological indicator includes heating the biological indicator.3. The method of claim 1 , wherein the step of quenching the fluorescence intensity of the biological indicator includes heating the growth medium and the housing of the biological indicator from a temperature of between approximately 22 ...

ULTRAVIOLET PATHOGEN DISINFECTION SYSTEM

A pathogen disinfection system includes a light array, a proximity sensor, and a controller configured to send and receive signals to the light array and proximity sensor. The light array comprises a plurality of ultraviolet (UV) light emitters and a plurality of visible light emitters. Each of the UV and visible light emitter is configured to produce an individual light beam having an individual volume between the emitter and an individual target surface area located at a given distance away from the emitter. Further, each UV light emitter is configured to emit ultraviolet light having a mean peak wavelength between 200-280 nanometer to at least partially inactivate pathogens exposed to the emitted UV light. Moreover, the controller is configured to send a first signal to the array to activate the array and a second signal to the array to deactivate the array. 1. A pathogen disinfection system for a seating arrangement having at least one table surface and at least one seating surface comprising:a light array;a proximity sensor; anda controller configured to send and receive signals to the light array and proximity sensor;wherein the light array comprises a plurality of ultraviolet (UV) light sources and a plurality of visible light sources;wherein each UV light source of the plurality of UV light sources and each visible light source of the plurality of visible light sources is individually pointable towards a corresponding individual target surface area of the seating arrangement so that the plurality of UV light sources and the plurality of visible light sources of the light array respectively emit a plurality of individual UV and visible light beams in individual directions that combine to produce a collective light beam to illuminate and disinfect a collective target surface area of the seating arrangement that includes the at least one table surface and the at least one seating surface;wherein each of the UV light sources is configured to emit ultraviolet ...

System, Method, and Device for Facilitating Effective Decontamination as Part of a Decontamination Event

Systems and methods for assessing the effectiveness of a decontamination event to decontaminate a portion of at least one of skin or a covering of the skin of an individual. A water dispenser housing a light source and an agent dispensing system. The light source to emit light in accordance with a predetermined field of view, and to emit the light at a sufficient intensity and wavelength to cause a fluorescent agent dispensed by the agent dispensing system to fluoresce. The field of view defines an inspection space in which the portion of the individual can be positioned to detect at least one of a presence or an absence of the fluorescent agent during the decontamination event. 1. A water dispenser for facilitating effective decontamination of a portion of at least one of skin or a covering of the skin of an individual as part of a decontamination event , the water dispenser comprising:a housing, wherein the water dispenser is adapted to communicate water from a water source to the skin or a covering of the skin of the individual;an agent dispensing system supported in the housing and configured to dispense a composition from a chamber via a conduit that passes through the housing, the composition comprising a skin cleansing agent and a fluorescent agent capable of fluorescing when exposed to light; anda light source supported in the housing so as to emit light in accordance with a predetermined field of view, wherein the light source is configured to emit the light at a sufficient intensity and wavelength so as to cause the fluorescent agent disposed about the skin or a covering of the skin of the individual to fluoresce at a wavelength in the visible spectrum, the field of view defines, at least in part, an inspection space in which the portion of the skin or the covering of the skin of the individual can be positioned to detect the at least one of a presence or an absence of fluorescing fluorescent agent during the decontamination event.2. The water dispenser of ...

BIOLOGICAL STERILIZATION INDICATOR AND METHOD OF USING SAME

A biological sterilization indicator (BI) and method of using same. The BI can include a housing, and a container positioned in the housing. The container can contain a liquid and at least a portion of the container can be frangible. The BI can further include a first chamber and a second chamber. The second chamber can include at least one source of biological activity. The BI can further include a first fluid path positioned to fluidly couple the first chamber and the second chamber, and a second fluid path positioned to allow displaced gas to move out of the second chamber. The method can include moving displaced gas out of the second chamber via the second fluid path as a sterilant is moved into the second chamber via the first fluid path and/or as the liquid is moved into the second chamber via the first fluid path. 1. A biological sterilization indicator comprising:a housing;a container containing a liquid and being dimensioned to be positioned in the housing, at least a portion of the container being frangible, the container having a first state in which the container is intact and the liquid is not in fluid communication with an interior of the housing and a second state in which the container is fractured and the liquid is in fluid communication with the interior of the housing;a first chamber in the housing in which the container is positioned when the container is in the first state;a second chamber in the housing in which the container and the liquid are not positioned when the container is in the first state, and into which a sterilant moves when the container is in the first state and into which the liquid moves when the container is in the second state, the second chamber comprising at least one source of biological activity that is not in fluid communication with the liquid when the container is in the first state and that is in fluid communication with the liquid when the container is in the second state;a first fluid path positioned to fluidly ...

METHODS FOR USING INDICATOR COMPOSITIONS

An indicator composition can be exposed to various environmental conditions stimuli such as in sterilization or storage processes. This indicator composition has a) a first polymeric particle comprising a solid continuous polymeric phase and a first reactant, the first polymeric particle having a mode particle size equal to or less than 50 μm; and b) a second reactant outside of the first polymeric particle, which second reactant is capable of reacting with the first reactant when exposed to a chosen environmental condition stimulus. The indicator composition can be used by exposing it to the environmental condition stimulus for a sufficient time to cause a detectable change in the indicator composition such as a detectable color change. 1. A method for indicating an environmental condition stimulus , the method comprising: a) a first polymeric particle comprising a solid continuous polymeric phase and a first reactant, the first polymeric particle having a mode particle size equal to or less than 50 μm; and', 'b) a second reactant outside of the first polymeric particle, which second reactant is capable of reacting with the first reactant when exposed to an environmental condition stimulus., 'exposing an indicator composition to an environmental condition stimulus to cause a detectable change in the indicator composition, the indicator composition comprising2. The method of claim 1 , comprising:exposing the indicator composition to electromagnetic radiation, saturated steam, ethylene oxide, formaldehyde, dry heat greater than 100° C., or any combination of these environmental condition stimuli, sufficient to cause a detectable change in the indicator composition.3. The method of claim 1 , comprising:exposing the indicator composition to a chemical or biological agent sufficient to cause a detectable change in the indicator composition.4. The method of claim 1 , comprising exposing the indicator composition for more than 1 minute to saturated steam or dry heat above ...

APPARATUS, METHOD, AND SYSTEM FOR INDICATION OF AN OXIDATIVE TREATMENT

An indicator and method of use thereof, and indicator system and method of use thereof are provided to determine the degree of an oxidative treatment. An indicator is incorporated into the oxidative treatment. The object and the indicator are subjected to the oxidative treatment. A discoloration of the indicator occurs based on an oxidation of the polymer by a process condition of the oxidative treatment oxidizing the polymer. The discoloration of the indicator is measured against a threshold color value to determine the degree of the oxidative treatment. 1. A method for determining a degree of an oxidative treatment of an object , the method comprising:incorporating into the oxidative treatment an indicator, the indicator comprising a polymer;subjecting the object and the indicator to the oxidative treatment, a discoloration of the indicator occurring based on an oxidation of the polymer by a process condition of the oxidative treatment oxidizing the polymer; andmeasuring the discoloration of the indicator against a threshold color value to determine the degree of the oxidative treatment.2. The method of claim 1 , wherein the polymer further comprises a group selected from an amine claim 1 , a methylene claim 1 , and a methine.3. The method of claim 2 , wherein the discoloration of the indicator at least partly occurs through oxidization of the group.4. The method of claim 3 , wherein the oxidizing of the group comprises forming a quinone.5. The method of claim 4 , wherein the quinone comprises a quinone-imide.6. The method of claim 1 , wherein the measuring of the discoloration comprises measuring at least one of an absorption and a reflection of electromagnetic radiation by the indicator.7. The method of claim 6 , wherein the measuring at least one of the absorption and the reflection of the electromagnetic radiation by the indicator is at a wavelength of 400 nm to 700 nm.8. The method of claim 1 , wherein the measuring of the discoloration comprises utilizing a ...

SYSTEMS AND METHODS FOR MONITORING DISINFECTION OF A DEVICE

Various embodiments illustrated herein disclose a method for monitoring disinfection of a device. The method includes receiving sensor data from a plurality of sensors positioned at a respective plurality of surfaces of the device. The sensor data indicates that a disinfecting agent is applied on one or more surfaces of the plurality of surfaces of the device. The method further includes determining at least one exposure characteristic based on the sensor data. The at least one exposure characteristic is associated with disinfection of the one or more surfaces of the device by the disinfecting agent. The method further includes comparing the at least one exposure characteristic to a threshold parameter associated with the at least one exposure characteristic. In response to the comparison, the method further includes generating a notification indicating that the one or more surfaces of the device are disinfected. 1. A method for monitoring disinfection of a device , the method comprising:receiving, by a processor of the device, sensor data from a plurality of sensors positioned at a respective plurality of surfaces of the device, wherein the sensor data indicates that a disinfecting agent is applied on one or more surfaces of the plurality of surfaces of the device;determining, by the processor, at least one exposure characteristic based on the sensor data, wherein the at least one exposure characteristic is associated with disinfection of the one or more surfaces of the device by the disinfecting agent;comparing, by the processor, the at least one exposure characteristic to a threshold parameter associated with the at least one exposure characteristic; andin response to the comparison, generating, by the processor, a first notification indicating that the one or more surfaces of the device are disinfected.2. The method of claim 1 , wherein the at least one exposure characteristic comprises at least one of a measure of moisture content on the one or more surfaces of ...

SELF-CONTAINED BIOLOGICAL INDICATOR

A SCBI useful in ambient air pressure systems is disclosed. The SCBI includes a body which serves as the culture tube, a glass media ampoule, an inoculated stainless steel disc positioned on the top of the glass media ampoule so that the spores are close to the top/opening of the SCBI, filter paper on the top of the body and overlying the disc, and a cap. 1. A method of determining the accuracy of a sterilization or decontamination process in a sterilization chamber comprising the steps of:placing a self-contained biological indicator (SCBI) in said sterilization chamber in an open position wherein a sterilant gas will enter said SCBI;said SCBI comprising a body adapted to serve as a culture tube, said body having a cylindrical side wall which does not contain any recessed areas, a bottom wall at one end of the cylindrical side wall closing the body, a collar at the other end of the cylindrical side wall extending outwardly from the cylindrical side wall having an open end having an interior diameter greater than an interior diameter of the cylindrical side wall and adapted to receive a cap, said collar including a plurality of inwardly extending ribs; a cap adapted to engage said body in an open position and a closed position, said cap including a top wall and a cylindrical side wall adapted to engage said collar of said body, said cylindrical side wall including a plurality of apertures; a rupturable glass ampoule including a growth media in said body; and a stainless steel disc inoculated with spores on top of said glass ampoule and adjacent said plurality of ribs;subjecting said sterilization chamber to said sterilant gas;removing said SCBI from said sterilization chamber;rupturing said glass ampoule in said SCBI to release said growth media to said body of said SCBI, wherein said stainless steel disc is adapted to drop down into said cylindrical side wall of said body to contact said inoculated spores with said growth media; andclosing said SCBI and determining ...

Fluorinated 4'-Alkylumbelliferyl a-D-Glucopyranosides, Biological Sterilization Indicators Including The Same And Methods Of Using The Same

A self-contained biological sterilization indicator comprises: a housing; bacterial spores comprising, and/or capable of producing, an enzyme capable of catalyzing cleavage of an enzyme substrate; and a frangible container containing a composition, wherein the composition comprises the enzyme substrate, wherein if the frangible container is broken the composition will contact the bacterial spores to form a mixture having an initial pH in the range from 6.0 to 9.0. The enzyme substrate comprises a fluorinated 4′-alkylumbelliferyl α-D-glucopyranoside represented by the structural formula (I) wherein one of Rand Ris F and the other is H, and Ris an alkyl group having from 1 to 12 carbon atoms. A biological sterilization indicator comprising a kit containing isolated components comprising (i) bacterial spores comprising, and/or capable of producing, an enzyme capable of catalyzing cleavage of the enzyme substrate and a method of assessing efficacy of a sterilization process are also disclosed. 2. The fluorinated 4′-alkylumbelliferyl α-D-glucopyranoside of claim 1 , wherein Ris an alkyl group having 1 to 4 carbon atoms.3. (canceled)4. (canceled)6. The self-contained biological sterilization indicator of claim 5 , wherein the self-contained biological sterilization indicator is disposed inside a process-challenge device.7. The self-contained biological sterilization indicator of claim 5 , wherein Ris an alkyl group having 1 to 4 carbon atoms.8. The self-contained biological sterilization indicator of claim 5 , wherein the self-contained biological sterilization indicator is capable of determining efficacy of two or more cycles chosen from the powerset of 121 gravity claim 5 , 121 pre-vac claim 5 , 121 SFPP claim 5 , 132 gravity claim 5 , 132 pre-vac claim 5 , 132 SFPP claim 5 , 134 pre-vac claim 5 , 134 SFPP claim 5 , 135 gravity claim 5 , 135 pre-vac claim 5 , and 135 SFPP.11. The self-contained biological sterilization indicator of claim 5 , wherein the mixture has an ...

IMPROVED CHEMICAL COMPOUNDS THAT UNDERGO REVERSIBLE CHANGES IN PROPERTIES AND USES THEREOF

Free radical scavengers, especially those that require the presence of oxygen, are useful in extending the life of photochromic, thermochromic, electrochromic, radiochromic, magnetochromic, photo-electrochromic and similar dyes. Particularly, preferred scavengers are the quinones be it O, M or p- and, most preferably, either the ortho, meta or para-hydroquinone. The so-enhanced dye can be used as a coating or cast as a film. 1. An extended useful life reversible dye comprising:(a) a dye selected from the group consisting of: photochromic, thermochromic, electrochromic, radiochromic, magnetochromic and photo-electrochromic dyes; and(b) an effective amount of a free radical scavenger.2. The dye of wherein the free radical scavenger is a quinone.4. The dye of wherein claim 3 , the quinone is hydroquinone.6. The dye of wherein the scavenger is a hydroquinone.7. The dye of wherein claim 1 , the quinone is present in an amount ranging from about 0.001 percent to about 200 percent based on the total weight of the mixture of dye and quinone.8. The dye of further comprising:(a) a solvent, the solvent being present in an amount ranging from about five percent to about fifty percent, by weight, based on the total weight of the composition.9. A cast film comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the extended useful life dye of .'}10. The dye of wherein claim 1 , the dye is an ink.11. A method for extending the useful life of a reversible dye claim 1 , comprising:admixing with a reversible dye an effective amount of a free radical scavenger.12. The method of wherein claim 11 , the free radical scavenger is a quinone.14. The method of wherein claim 13 , the dye is selected from the group consisting of:photochromic, thermochromic, electrochromic, radiochromic, magnetochromic, and photo-electrochromic.15. The method of which further comprises:admixing the dye and quinone with a solvent and a polymer resin.16. The method of wherein the resin is polystyrene.17. ...

WATER-BASED STERILIZATION INDICATOR COMPOSITION

Water-based formulations comprising an indicating composition dispersed in water are described. The water-based indicating compositions include an organic Bi(III) compound, a sulfur source, a carbonate salt, and strontium hydroxide. Formulations further including a resin and/or an acidic additive are also described. 3. The indicator formulation of claim 1 , wherein the indicating composition comprises bismuth subcarbonate formed in situ.4. The indicator formulation according to claim 1 , wherein both the organic Bi(III) compound and the sulfur source have solubility in water at 20° C. of less than 5 grams/100 ml.5. The indicator formulation of claim 4 , wherein at least one of the organic Bi(III) compound and the sulfur source have solubility in water at 20° C. of less than 1 gram/100 ml.6. The indicator formulation according to claim 1 , wherein the organic Bi(III) is selected from the group consisting of bismuth subsalicylate claim 1 , bismuth citrate claim 1 , bismuth tartrate claim 1 , and combinations thereof.7. The indicator formulation according to claim 1 , wherein the sulfur source is selected from the group consisting of sulfur claim 1 , 1 claim 1 ,3-diphenylthiourea claim 1 , sodium thiosulfate claim 1 , and combinations thereof.8. The indicator formulation according to claim 1 , wherein the carbonate salt is selected from the group consisting of lithium carbonate claim 1 , magnesium carbonate claim 1 , sodium carbonate claim 1 , sodium bicarbonate claim 1 , and combinations thereof.9. The indicator formulation according to claim 1 , further comprising an acidic compound.10. The indicator formulation of claim 9 , wherein the acidic compound is non-polymeric.11. The indicator formulation of claim 10 , wherein the acidic compound is selected from the group consisting of citric acid claim 10 , gallic acid claim 10 , oxalic acid claim 10 , and combinations thereof.12. The indicator formulation according to claim 1 , further comprising a resin.13. The ...

DEVICES AND METHODS FOR TESTING THE CLEANLINESS OF MEDICAL INSTRUMENTS

A device for testing the cleanliness of a cannula of a medical instrument can include a flexible guiding member having a first end, a second end, and an outer diameter, and a length extending from the first end to the second end, wherein the first end can be rounded and the length of the guiding member can be free of any cleaning element. The device can further include a sponge element containing a dried extractant configured to extract intracellular ATP and having an outer diameter larger than the outer diameter of the guiding member. The device can also include a coupling member located between the second end of the guiding member and the sponge element, wherein the coupling member can be heat bonded to the sponge element and configured to facilitate detachment of the guiding member from the sponge element. 1. A device for testing the cleanliness of a cannula of a medical instrument comprising:a flexible guiding member having a first end, a second end, an outer diameter, and a length extending from the first end to the second end, wherein the first end is rounded and the length of the guiding member is free of any cleaning element;a sponge element containing a dried extractant configured to extract intracellular ATP and having an outer diameter larger than the outer diameter of the guiding member; anda coupling member located between the second end of the guiding member and the sponge element, wherein the coupling member is heat bonded to the sponge element and configured to facilitate detachment of the guiding member from the sponge element.2. The device of claim 1 , wherein the coupling member has a length of less than 10 cm and an outer diameter smaller than the outer diameter of the guiding member.3. The device of claim 1 , wherein the coupling member includes a release mechanism having an outer dimension less than about 2 mm.4. The device of claim 1 , wherein the sponge element is configured to absorb and retain water to activate the extractant in less than ...

APPARATUS FOR OPTICAL DETECTION OF BIO-CONTAMINANTS BASED UPON MEASUREMENT OF SATURATION OF LIGHT INTENSITIES AT FLUORESCENCE WAVELENGTH RELATIVE TO LIGHT INTENSITIES AT A PREDETERMINED WAVELENGTH

A method for optical detection of residual soil on articles (such as medical instruments and equipment), after completion of a washing or a rinsing operation by a washer. A soil detection system provides an indication of soil on the articles by detecting luminescent radiation emanating from the soil in the presence of ambient light. 1. A soil detection system for detecting presence of soil on an article treated with a fluorescent agent bound to soil present on the article , the soil detection system comprising: a light source for producing laser light at an excitation wavelength for the fluorescence wavelength to be incident on the article,', 'a light filter for filtering light emanating from said article at first and second predetermined wavelengths including the fluorescence wavelength, said light emanating from said article including ambient light reflected by the article and light emitted by exciting the fluorescent agent bound to the soil with the laser light;', 'a light detector for detecting the filtered light emanating from said article and generating light data corresponding thereto, and, 'a scanning unit for scanning the article, the fluorescent agent emitting fluorescent light at a fluorescence wavelength, the scanning unit includinga control unit for receiving the light data generated by the detector to determine the presence of soil on the article based upon features detected at the fluorescence wavelength by comparing intensities of the filtered light at the two predetermined wavelengths, thereby discriminating between soil fluorescence and ambient light reflections.2. A soil detection system according to claim 1 , wherein the first and second predetermined wavelengths comprise a red light wavelength and a green light wavelength corresponding to the fluorescence wavelength.3. A soil detection system according to claim 2 , wherein said light detector is an image sensor that acquires and transmits to the control unit detected light data indicative of an ...

INSTRUMENT STERILIZATION MONITORING SYSTEM AND METHOD

An instrument sterilization monitoring system and an instrument sterilization monitoring method are provided. The instrument sterilization monitoring system includes a server, a sterilization device, and a mobile device. An image capturing module of the mobile device is used to capture image information of a first sterilization device indication device in the sterilization device, image information of a first sterilization device indication label, image information of a second instrument indication device, and image information of a second instrument indication label which are disposed outside an instrument package. The image information is uploaded to the server. The server determines, according to the image information, whether or not the instrument package meets a sterilization standard. 1. An instrument sterilization monitoring system , comprising:a server; anda sterilization device being used to perform a sterilization procedure on a plurality of instruments to be sterilized;wherein a mobile device including an image capturing module is used by a user to log in to the server; andthe server determines, according to image information of a plurality of sterilization device indication devices of the sterilization device and image information of a plurality of instrument indication devices of the instruments to be sterilized, whether or not the sterilization device and the instruments to be sterilized reach a plurality of sterilization standards.2. The instrument sterilization monitoring system of claim 1 , wherein a first sterilization device indication device and a second sterilization device indication device are disposed in the sterilization device; at least one of the instruments to be sterilized and a first instrument indication device are placed together in a packaging material claim 1 , to form an instrument package; a second instrument indication device is disposed outside the instrument package; the plurality of instruments to be sterilized is packaged to ...

Activator System for Biological Indicator

A system for assessing efficacy of a sterilization process is disclosed. The system includes a biological indicator, a receptacle configured to receive the biological indicator, an actuator mechanism, and a sensing system operatively coupled to the actuator mechanism. A method of using the system for assessing efficacy of a sterilization process is also disclosed. 1. A system for assessing efficacy of a sterilization process , comprising:a biological indicator;a receptacle configured to receive the biological indicator;an actuator mechanism; anda sensing system configured to sense conditions of the sterilization process, wherein the sensing system is operatively coupled to the actuator mechanism.2. The system of claim 1 , wherein the biological indicator comprises a source of biological activity disposed therein.3. The system of claim 1 , wherein the biological indicator comprises a sealed reservoir.4. A device claim 1 , comprising:a receptacle configured to receive a biological indicator;an actuator mechanism; anda sensing system configured to sense conditions of the sterilization process, wherein the sensing system is operatively coupled to the actuator mechanism.5. The system of claim 1 , wherein the actuator mechanism comprises a part that is configured to move from a first position to a second position.6. The system of ;wherein the receptacle comprises a compartment configured to hold the biological indicator;wherein the compartment defines a volume;wherein the second position is located within the volume.7. The system of claim 1 , wherein the sensing system is capable of sensing a parameter selected from the group consisting of pressure claim 1 , temperature claim 1 , time claim 1 , and a combination of any two or more of the foregoing parameters.8. The system of claim 1 , wherein the sensing system comprises a temperature-responsive chemical.9. The system of claim 8 , wherein the temperature-reactive chemical has a first density when in a solid state and a ...

Biological sterilization indicator with sterilant resistance modulator

A self-contained biological sterilization indicator is provided. The self-contained biological sterilization indicator includes an outer container having at least one liquid-impermeable wall and an interior volume; a sealed, openable, liquid-impermeable inner container enclosing a predetermined volume of an aqueous medium; a dry coating that comprises i) a plurality of viable test microorganisms useful to detect exposure to an oxidative sterilant and ii) an effective amount of a sterilant-resistance modulator; and a pathway that permits vapor communication between the interior volume and an atmosphere outside the outer container. The inner container and the dry coating are disposed in the interior volume. The modulator comprises an amino acid. The effective amount causes an increase in sensitivity of the test microorganisms to the oxidative sterilant relative to an otherwise-identical dry coating that lacks the effective amount.

SEALABLE DECONTAMINATION HOLDING VESSEL FOR ISOLATING CONTAMINATED ITEMS

A sealable decontamination holding vessel configured to isolate contaminated items being held therein until safe opening of the vessel occurs during a high pressure and temperature sterilization cycle in an autoclave. The vessel basically includes an outer container, a perforated inner receptacle, containment bag and cover lid. The inner receptacle fits into the outer container. The containment bag fits within the inner receptacle with an open end of the bag draped over an open top lip of the inner receptacle. The cover lid is secured and sealed over the open top of the outer container. Patches of self-adhering sealing materials are placed over vent holes in the outer container and cover lid so as to seal the same until they unseal in response to contact with sterilizing steam in the autoclave allowing flow of the steam through the outer container into the inner receptacle and containment bag. 1. A sealable decontamination holding vessel for isolating contaminated items , comprising:an outer container having an open top and an interior holding chamber;an inner receptacle having an open top and an interior confining chamber, the inner receptacle fitting through the open top of the outer container and into the interior holding chamber of the outer container so as to provide a void between the outer container and the inner receptacle;a cover lid securable and sealable over and upon the open top of the outer container; andat least one vent in at least one of the outer container and the cover lid being configured to allow flow of sterilizing fluid through the vents and into the inner receptacle to contact contaminated items contained in the inner receptacle.2. The sealable decontamination holding vessel of claim 1 , further comprising at least one seal patch closing the at least one vent.3. The sealable decontamination holding vessel of claim 2 , wherein the at least one seal patch is configured to unseal in response to contact with the sterilizing fluid.4. The sealable ...

PRINTED MULTILAYER POLYMERIC FILMS AND METHODS OF MANUFACTURE AND USE THEREOF

Printed multilayer polymeric films are provided that include a flexible polymeric film layer, one or more non-photochromic layers each including a solvent-based ink composition having one or more non-photochromic inks that are at least partially transparent to ultraviolet radiation, and one or more photochromic layers each including a water-based ink composition having one or more photochromic inks that undergo a color change upon exposure to ultraviolet radiation. Also provided are methods for making the printed multilayer polymeric films. Packages for containing a product therein that include the printed multilayer polymeric films are also provided. Methods for making the packages and methods for packaging a product that employ the printed multilayer polymeric films are also provided. Rolls of film for forming the packages that include the printed multilayer polymeric films are also provided. 1. A printed multilayer polymeric film , comprising:a flexible polymeric film layer, wherein the flexible polymeric film layer is the outermost layer of the printed multilayer polymeric film;one or more non-photochromic layers each comprising a solvent-based ink composition having one or more non-photochromic inks that are at least partially transparent to ultraviolet radiation; andone or more photochromic layers each comprising a water-based ink composition having one or more photochromic inks that undergo a color change upon exposure to ultraviolet radiation,wherein at least a portion of the one or more non-photochromic layers are located between the flexible polymeric film layer and at least a portion of the one or more photochromic layers.2. (canceled)3. The printed multilayer polymeric film of claim 1 , wherein the one or more photochromic layers are located on one or more portions of the one or more non-photochromic layers.4. The printed multilayer polymeric film of claim 1 , further comprising a resin layer and a base substrate claim 1 , wherein the resin layer is ...

Electric Light Radiant Energy Control Systems

Radiant energy control systems, methods, and apparatuses are provided. An example light emitting device may comprise a sensor operable to detect whether a space is occupied, and a controller in communication with the sensor and operable to cause output, via a first light emitter for a first time period in the space, of a white light comprising a spectral energy of up to 30% energy in a wavelength range of 380 to 420 nm, cause output, via a second light emitter for a second time period in the space, of a non-white light comprising a spectral energy greater than 70% energy in the wavelength range of 380 to 420 nm, and switch, based on whether the space is occupied and to achieve a minimum dosage of light in the wavelength range of 380 to 420 nm during a third period that includes the first time period and the second time period, between causing output of the white light and causing output of the non-white light. 1. A light emitting device comprising:a sensor operable to detect whether a space is occupied; and cause output, via a first light emitter and for a first time period in the space, of a white light comprising a spectral energy of up to 30% energy in a wavelength range of 380 to 420 nanometers (nm);', 'cause output, via a second light emitter and for a second time period in the space, of a non-white light comprising a spectral energy greater than 70% energy in the wavelength range of 380 to 420 nm; and', 'switch, based on whether the space is occupied and to achieve a minimum dosage of light in the wavelength range of 380 to 420 nm during a third period that includes the first time period and the second time period, between causing output of the white light and causing output of the non-white light., 'a controller in communication with the sensor and operable to2. The light emitting device of claim 1 , wherein the controller is further operable to:determine a dosage of light in the wavelength range of 380 to 420 nm for the first time period;compare the dosage ...

PROCESS FOR DETERMINING VIABILITY OF TEST MICROORGANISMS OF BIOLOGICAL INDICATOR AND STERILIZATION DETECTION DEVICE FOR DETERMINING SAME

A process for determining the viability of a biological indicator includes exposing the biological indicator to a viability detection medium, the biological indicator including test microorganisms, the exposing the biological indicator to the viability detection medium producing a gaseous reaction product when one or more of the test microorganisms are viable. The presence or absence of the gaseous reaction product produced by the biological indicator combined with the viability detection medium is detected with a sensing device, the sensing device comprising an electro-mechanical sensor, wherein the presence of the gaseous reaction product indicates the presence of viable test microorganisms and the absence of the gaseous reaction product indicates the absence of viable test microorganisms. A sterilization detection device includes a container configured to contain the biological indicator, a viability detection medium, and the sensing device. 1. A process for determining the viability of a biological indicator , the process comprising:exposing the biological indicator to a viability detection medium, the biological indicator comprising test microorganisms, the exposing the biological indicator to the viability detection medium producing a gaseous reaction product when one or more of the test microorganisms are viable; anddetecting with a sensing device the presence or absence of the gaseous reaction product produced by the biological indicator combined with the viability detection medium, the sensing device comprising an electro-mechanical sensor, wherein the presence of the gaseous reaction product indicates the presence of viable test microorganisms and the absence of the gaseous reaction product indicates the absence of viable test microorganisms.2. The process of claim 1 , wherein the viability detection medium causes viable test microorganisms of the biological indicator to metabolically respond and produce the gaseous reaction product.3. The process of claim ...

Process for determining viability of test microorganisms of biological indicator and sterilization detection device for determining same

A process for determining the viability of a biological indicator includes exposing the biological indicator to a viability detection medium, the biological indicator including test microorganisms, the exposing the biological indicator to the viability detection medium producing a gaseous reaction product when one or more of the test microorganisms are viable. The presence or absence of the gaseous reaction product produced by the biological indicator combined with the viability detection medium is detected with a sensing device, the sensing device comprising a resistive sensor, wherein the presence of the gaseous reaction product indicates the presence of viable test microorganisms and the absence of the gaseous reaction product indicates the absence of viable test microorganisms. A sterilization detection device includes a container configured to contain the biological indicator, a viability detection medium, and the sensing device.

PROCESS FOR DETERMINING VIABILITY OF TEST MICROORGANISMS OF BIOLOGICAL INDICATOR AND STERILIZATION DETECTION DEVICE FOR DETERMINING SAME

A process for determining the viability of a biological indicator includes exposing the biological indicator to a viability detection medium, the biological indicator including test microorganisms, the exposing the biological indicator to the viability detection medium producing a gaseous reaction product when one or more of the test microorganisms are viable. The presence or absence of the gaseous reaction product produced by the biological indicator combined with the viability detection medium is detected with a sensing device, the sensing device comprising a capacitive sensor, wherein the presence of the gaseous reaction product indicates the presence of viable test microorganisms and the absence of the gaseous reaction product indicates the absence of viable test microorganisms. A sterilization detection device includes a container configured to contain the biological indicator, a viability detection medium, and the sensing device. 1. A process for determining the viability of a biological indicator , the process comprising:exposing the biological indicator to a viability detection medium, the biological indicator comprising test microorganisms, the exposing the biological indicator to the viability detection medium producing a gaseous reaction product when one or more of the test microorganisms are viable; anddetecting with a sensing device the presence or absence of the gaseous reaction product produced by the biological indicator combined with the viability detection medium, the sensing device comprising a capacitive sensor, wherein the presence of the gaseous reaction product indicates the presence of viable test microorganisms and the absence of the gaseous reaction product indicates the absence of viable test microorganisms.2. The process of claim 1 , wherein the viability detection medium causes viable test microorganisms of the biological indicator to metabolically respond and produce the gaseous reaction product.3. The process of claim 1 , wherein ...

Amperometric gas sensor

The disclosed invention relates to an amperometric gas sensor for measuring the concentration of an analyte, comprising: a solid support; and a working electrode in contact with the solid support; wherein the analyte comprises a dopant which when in contact with the solid support increases the electrical conductivity of the solid support. A sterilization process employing the amperometric gas sensor is disclosed.

POST-STEAM STERILIZATION MOISTURE-INDICATING ARTICLES

Post-steam sterilization wet pack indicators are described. The indicators generally comprise a moisture-impermeable layer having a first surface and a moisture-indicating layer comprising a reversible colorimetric steam-sterilization-compatible moisture-indicating medium. The moisture-indicating layer is disposed on or near the first surface of the moisture-impermeable layer. The area of the moisture-indicating layer is dimensionally smaller than the moisture-impermeable layer such that the edges of the moisture-impermeable layer extend beyond the edges of the moisture-indicating layer. Articles and packages comprising wet pack indicators are also described. 1. A post-steam sterilization wet pack indicator comprising:a moisture-impermeable layer having a first surface; anda moisture-indicating layer;wherein the moisture-indicating layer comprises a reversible colorimetric steam-sterilization-compatible moisture-indicating medium;wherein the moisture-indicating layer is disposed on or near the first surface of the moisture-impermeable layer; andwherein the moisture-indicating layer is dimensionally smaller than the moisture-impermeable layer, and the edges of the moisture-impermeable layer extend beyond the edges of the moisture-indicating layer.2. The post-steam sterilization wet pack indicator of claim 1 , further comprising a release liner claim 1 , wherein the moisture-impermeable layer is peripherally bonded to the release liner such that the moisture indicating layer is disposed between the release liner and the moisture-impermeable layer.3. The post-steam sterilization wet pack indicator according to claim 1 , further comprising at least one middle layer disposed between the moisture-impermeable layer and the moisture-indicating layer.4. The post-steam sterilization wet pack indicator according to claim 3 , wherein the at least one middle layer is selected from the group consisting of an impermeable layer claim 3 , an adhesive layer claim 3 , and a color- ...

METHODS AND SYSTEM FOR PERFORMANCE ASSESSMENT OF CLEANING OPERATIONS

The present disclosure relates to a process and a system for assessing the performance of cleaning operations by utilizing an automatic read out routine for test strips subjected to a cleaning operation. Furthermore, the present disclosure relates to a computer program product capable of performing the process. 1. An imaging box for use in an image capture procedure for the performance assessment of cleaning operations , comprising:a housing defined by a front surface and a back surface and forming an interior cavity when the housing is placed on a substantially flat surface, the front surface having a receptacle configured to receive a mobile device,the front surface further including at least one camera aperture configured to correspond to the position of a camera lens of the mobile device when the mobile device is received in the receptacle,the back surface including a test strip slot configured to receive and hold a chemical test strip comprising a carrier and an indicator means in a substantially flat position,the back surface further including a test strip aperture configured to correspond to the position of a chemical test strip when received into the test strip slot, such that an image of the chemical test strip may be captured by the camera of the mobile device when the chemical test strip is inserted into the test strip slot such that the indicator means is facing the interior cavity of the housing.2. The imaging box of claim 1 , wherein the front surface of the housing further includes a flash aperture configured to correspond to the position of a light emitting flash of the mobile device when the mobile device is received in the receptacle.3. The imaging box of further including at least one diffusing rib positioned within the interior cavity of the housing to diffuse light emitted from the flash of the mobile device.4. The imaging box of further comprising a light source positioned within the interior cavity of the housing.5. The imaging box of further ...

System and method for cleaning and disinfecting shopping carts

The present invention provides a system and method for cleaning and disinfecting shopping carts. The system comprises a main housing with three main systems: a steam system, an ultraviolet system and a microwave system. The combination of the systems allows for the reduction of germs and viruses without the use of chemicals which may be both harmful to the shopping carts and to the environment. A conveying means allows shopping carts to be displaced through the system. The system further provides a disinfecting box in connection with the main housing for users to disinfect their hands. The method provided allows for the cleaning and disinfecting of a shopping cart with the use of the system. 1) A system for cleaning and disinfecting at least a shopping cart , the system comprising:a main housing configured to house the at least one shopping cart and having an entry point and an exit point, the entry and exit points being closable;a conveying means configured to displace the at least one shopping cart from the entry point to the exit point;a steam system configured to emit steam in the main housing;an ultraviolet system configured to emit ultraviolet light in the main housing; anda microwave system configured to emit microwaves in the main housing.2) The system of claim 1 , the steam system comprising a water tank containing pressurised water and at least one spray fluidly connected to the water tank.3) The system of claim 2 , the steam system further comprising a heating system for heating the pressurised water.4) The system of claim 1 , the steam being at a temperature in a range of 60 to 90° C.5) The system of claim 1 , the emitted ultraviolet light having a wavelength in a range of 100 nm to 280 nm.6) The system of claim 1 , the system further comprising a disinfecting box for washing hands of a user claim 1 , wherein the ultraviolet system is further configured to emit ultraviolet light in the disinfecting box.7) The system of claim 1 , the emitted microwaves ...

Instrument disinfection

Instrument disinfecting apparatus and method. The instrument disinfecting apparatus includes a first nozzle sized to be positioned with respect to an instrument to at least partially disinfect the instrument, a first hose configured to operably connect with the first nozzle, and a disinfectant generator. The disinfectant generator is configured to operably connect with the first hose and emit a disinfectant agent into the first hose so that the disinfectant agent travels through the first hose and exits the first nozzle to at least partially disinfectant the instrument. 1. An instrument disinfecting apparatus comprising:a first nozzle sized to be positioned with respect to an instrument to at least partially disinfect the instrument;a first hose configured to operably connect with the first nozzle; and operably connect with the first hose, and', 'emit a disinfectant agent into the first hose so that the disinfectant agent travels through the first hose and exits the first nozzle to at least partially disinfect the instrument., 'a disinfectant generator configured to2. The apparatus of claim 1 , wherein the first hose includes a plurality of apertures to emit the disinfectant agent from the first hose to at least partially disinfect the instrument.3. The apparatus of wherein the disinfectant generator includes at least one ultrasonic transducer configured to volatize a disinfectant liquid to a fog or mist to create the disinfectant agent.4. The apparatus of further comprising at least a second hose configured to:operably connect with the disinfectant generator to receive the disinfectant agent, andemit the disinfectant agent to at least partially disinfect the instrument.5. The apparatus of wherein the first hose is configured to at least partially disinfect a first instrument claim 4 , and the second hose is configured to at least partially disinfect a second instrument at a same time the first hose at least partially disinfects the first instrument.6. The apparatus ...

INTEGRATED CHEMICAL INDICATOR DEVICE

A chemical indicator device for use in detecting exposure to an oxidizing agent, such as hydrogen peroxide, comprising a substrate or support upon which is disposed a chemical indicator composition (ink) for detecting an oxidizing agent, such as hydrogen peroxide. The chemical indicator composition further comprises an indicator dye that achieves a distinct range of different color changes with clear transitions between colors, upon exposure to different doses of the oxidizing agent, thus allowing for both a qualitative and semi-quantitative assessment of exposure to the agent. 1. A chemical indicator device for monitoring a sterilization process that uses an oxidizing agent as a sterilant and for semi-quantitatively assessing the dose of the oxidizing agent to which an object is exposed during a single sterilization cycle , consisting of:a. a support; (i) pararosaniline base, present in amounts ranging from about 0.05 wt. % to about 10 wt. %;', '(ii) a binder present in amounts ranging from about 5 wt. % to about 90 wt. %;', '(iii) a UV-protectant present in amounts ranging from about 0.5 wt. % to about 5 wt. %;', '(iv) a silicone-based anti-foaming agent present in amounts ranging from about 0.1 wt. % to about 2 wt. %; and', '(v) a plasticizer present in amounts ranging from about 0.5 to about 5 wt. %,, 'b. a chemical indicator ink composition dispersed in a uniform concentration on the support, consisting of'}wherein the wt. % are based upon the total weight of the composition, wherein a uniform concentration of pararosaniline base, when reacted directly with the oxidizing agent, achieves a range of different, distinct color changes over time in response to exposure to different doses of the oxidizing agent during a single sterilization cycle, andwherein the colors achieved by the pararosaniline base are compared to a pre-calibrated, visual color chart so that a semi-quantitative assessment of the dose of the oxidizing agent to which an object was exposed can be ...

APPARATUS FOR OPTICAL DETECTION OF BIO-CONTAMINANTS BY COMPARING INTENSITIES OF FILTERED LIGHT AT TWO PREDETERMINED WAVELENGTHS

A method for optical detection of residual soil on articles (such as medical instruments and equipment), after completion of a washing or a rinsing operation by a washer. A soil detection system provides an indication of soil on the articles by detecting luminescent radiation emanating from the soil in the presence of ambient light. 1. A soil detection system for detecting presence of soil on an article , the soil detection system comprising: a light source for producing incident light on the article, the incident light having an excitation wavelength for producing the fluorescent light at the fluorescence wavelength,', 'a light filter for filtering the light emanating from said article at the fluorescence wavelength and a second predetermined wavelength,', 'a light detector for detecting the filtered light emanating from said article and generating light data corresponding thereto, said light emanating from said article including ambient light reflected by the article and light emitted by exciting the fluorescent agent bound to the soil, and, 'a scanning unit for scanning the article treated with a fluorescent agent bound to soil present on the article, the fluorescent agent emitting fluorescent light at a fluorescence wavelength, said scanning unit includinga control unit for receiving the light data generated by the detector to determine the presence of soil on the article by spectrally discriminating between the fluorescent light and the ambient light reflections based upon a measure of saturation of light intensities of combined fluorescent light and ambient light at the fluorescence wavelength relative to light intensities of ambient light at the second predetermined wavelength.2. A soil detection system according to claim 1 , wherein the light source for producing incident light comprises a device able to emit a monochromatic electromagnetic field in an ambient light environment.3. A soil detection system according to claim 2 , wherein the light source is a ...

System and Method for Tracking Sterilized Items and Sterilizers

The disclosure relates to a device and method for tracking status of sterilization for a sterilized package being sterilized in a sterilizer. The method comprises executing instructions on a or at a computing device that: track in a database a status of a first sterilization test relating to the sterilized package being sterilized in the sterilizer; track in the database a status of a second sterilization test relating to the sterilized package being sterilized in the sterilizer; generate on a display controlled by the computing device a graphical user interface (GUI) showing the status of the first and second sterilization tests; and upon a change of the status of the first sterilization test in the database, update the GUI to show an updated status of the first biological test. 1. A method for tracking status of sterilization for a sterilized package being sterilized in a sterilizer by executing instructions on a processor at a computing device , the method comprising:tracking in a database a status of a first sterilization test from a first indicator relating to the sterilized package being sterilized in the sterilizer;tracking in the database a status of a second sterilization test a second indicator relating to the sterilized package being sterilized in the sterilizer;generating on a display controlled by the computing device a graphical user interface (GUI) showing the status of the first and second sterilization tests; andupon a change of the status of the first sterilization test in the database, updating the GUI to show an updated status of the first biological test.2. The method for tracking status of sterilization for a sterilized package being sterilized in a sterilizer as claimed in claim 1 , further comprising:extracting identification data from the database relating the sterilized package; andsending instructions to a printer connected to the computing device to print a label with the identification data.3. The method for tracking status of ...

STERILIZATION DEVICE

Described herein generally are sterilization devices that can allow sterilization of luminal connection ports. Methods of using these devices are also described. 1. A sterilization device comprising:a body comprising at least one indicator light, a battery, and a light source; andan adapter cap;wherein the adapter cap is inserted into a luminal connection port.2. The sterilization device of claim 1 , wherein the battery is at least 6 volts.3. The sterilization device of claim 1 , wherein the indicator lights turn green after the luminal connection port is sterilized.4. The sterilization device of claim 1 , wherein the light source is a light emitting diode.5. The sterilization device of claim 1 , wherein the light source emits ultraviolet C light.6. The sterilization device of claim 1 , wherein the light source has a wavelength of about 275 nm.7. The sterilization device of claim 1 , wherein the light source has a power of about 30 mW.8. The sterilization device of claim 1 , wherein the adapter cap is sterile.9. The sterilization device of claim 1 , wherein the adapter cap is disposable.10. The sterilization device of claim 1 , wherein the adapter cap is a male luer.11. The sterilization device of claim 1 , further including a switch claim 1 , at least one or more sensors claim 1 , or a multi-sensor to activate the sterilization device.12. The sterilization device of claim 1 , wherein sterilization occurs in less than about 10 sec.13. The sterilization device of claim 1 , wherein sterilization occurs in less than about 5 sec.14. The sterilization device of claim 1 , wherein microbial reduction is a 7-log microbial reduction.15. A method of sterilization claim 1 , the method comprising:inserting a luminal connection port into a sterilization device to apply sterilizing light to the luminal connection port,wherein the device sterilizes the surface of the luminal connection port.16. The method of claim 15 , wherein the sterilizing light is ultraviolet light.17. The ...

STERILIZATION INDICATOR WITH TEMPERATURE INDICATOR

A steam sterilization indicator for indicating acceptability of a sterilization cycle includes a temperature indicator for indicating the temperature used in the sterilization cycle. 1. A sterilization indicator configured for indicating acceptability of a sterilization cycle for at least two different sterilization conditions including a first sterilization condition for a first period of time at a first temperature and a second sterilization condition for a second period of time at a second temperature that is different from the first temperature , the sterilization indicator comprising:a base element;an indicator chemical composition arranged on the base element;a wicking material positioned at least in part in contact with the indicator chemical composition;a film layer positioned over the base element, the wicking material and the indicator chemical composition;a first pass zone;a second pass zone; anda temperature indicator configured to indicate a temperature used in the sterilization cycle;wherein, the indicator is configured to indicate that an acceptable level of sterilization has occurred when the indicator chemical composition wicks along the wicking material to a location within the first pass zone after a sterilization cycle using the first sterilization condition, or when the indicator chemical composition wicks along the wicking material to a location within the second pass zone after a sterilization cycle using the second sterilization condition, and wherein the temperature indicator is configured to display a base color at a room temperature and change to a first color after being exposed to the first temperature or to a second color after being exposed to the second temperature, wherein the first color is visually distinguishable from the base color, and the second color is visually distinguishable from the base color and the first color.2. The sterilization indicator of claim 1 , wherein the base element is formed from a thermally conductive ...

CHEMICAL INDICATOR FOR MONITORING HYDROGEN PEROXIDE STERILIZATION AND DISINFECTION PROCESSES

This invention relates to a chemical indicator for monitoring a vaporous hydrogen peroxide sterilization process. The chemical indicator comprises a reactive composition adhered to a substrate, the reactive composition comprising a transition metal reagent, an oxidizing agent, and a resin. A test pack containing the chemical indicator and a biological indicator is disclosed. Vaporous hydrogen peroxide sterilization processes using the chemical indicator and the test pack are disclosed. 1. A chemical indicator for monitoring a vaporous hydrogen peroxide sterilization process , comprising:a reactive composition adhered to a substrate;the reactive composition comprising a transition metal reagent, and an oxidizing agent selected from potassium dichromate, sodium dichromate, potassium permanganate, or a mixture of two or more thereof; anda resin for adhering the transition metal reagent and the oxidizing agent to the substrate.2. The chemical indicator of wherein the transition metal reagent comprises iron claim 1 , copper claim 1 , nickel claim 1 , manganese claim 1 , molybdenum claim 1 , zinc claim 1 , titanium claim 1 , vanadium claim 1 , silver claim 1 , cobalt claim 1 , platinum claim 1 , or a combination of two or more thereof.3. The chemical indicator of wherein the transition metal reagent comprises iron.4. The chemical indicator of wherein the transition metal reagent comprises potassium ferricyanide or Prussian blue.5. The chemical indicator of wherein the resin comprises gum arabic; gum ghatti; guar gum; locust (carob)bean gum; karaya gum; gum tragacanth; chicle; rosin ester; tall oil; manila copais; corn gluten; coumarone-indene resin; crown gum; damar gum; polydimethylstyrene; gum elemi; rosin glycerol ester; ethylene vinyl acetate; polyamide; ethylene oxide polymer; ethylene oxide/propylene oxide copolymer; galbanum resin; gellan gum; ghatti gum; gluten gum; gualac gum; guarana gum; heptyl paraben; cellulose resin; isobutylene-isoprene copolymer; mastic ...

Apparatus for the Disinfection of Medical Instruments

Devices, methods and systems of disinfecting medical instruments, more particularly blood glucose meters. A disinfection cradle including a flat base for positioning the cradle on a surface, the cradle having a receptacle configured to receive the diagnostic apparatus, and a UV source positioned in the receptacle that is configured to administer a disinfection cycle to the diagnostic apparatus by directing UV light outward at the diagnostic apparatus received in the receptacle, the UV light being able to act as a disinfecting agent to the disinfection cradle and diagnostic apparatus.

STERILIZER

A sterilizer comprises a sterilization chamber () with a test device () for testing the effectiveness of a sterilization process. The test device (), in turn, comprises a test element () with a sensor () for measuring at least one parameter, and cooling mechanism () for cooling the test element (). The test device (), as a whole, is completely accommodated within the interior () of the sterilization chamber () 120-. (canceled)21. A sterilizer having:a sterilizer chamber, anda test device for testing the effectiveness of a sterilization process,wherein the test device comprises a test element having a sensor for measuring at least one parameter,a cooling means for cooling the test element, and the test device is arranged entirely and completely within an interior of the sterilizer chamber.22. The sterilizer as claimed in claim 21 , wherein the test device additionally comprises a probe which is attached to the test element.23. The sterilizer as claimed in either of claim 21 , wherein the test element is embodied as a capsule with an interior.24. The sterilizer as claimed in claim 22 , wherein the test element is embodied as a capsule with an interior claim 22 , and the interior of the capsule is in directly or indirectly fluidic communication with the sterilizer chamber via the probe.25. The sterilizer as claimed in claim 24 , wherein the sensor and the probe are attached to or arranged at different ends of the capsule.26. The sterilizer as claimed in claim 21 , wherein the sensor is suitable for measuring a parameter selected from a list consisting of temperature claim 21 , pressure and humidity.27. The sterilizer as claimed in claim 21 , wherein the sterilizer chamber is subdivided into a loading area and a testing area claim 21 , and the test device is arranged in the testing area.28. The sterilizer as claimed in claim 21 , wherein the cooling means for cooling the test element comprises a heat transfer section for passing through a coolant or a refrigerant.29. ...

Sterilization process design for a medical adhesive

Medical devices, including medical adhesives, need to be sterile before application to a patient. A dry heat sterilization process can sterilize medical adhesives for patient application. The dry heat sterilization process can be validated for particular equipment arrangements and medical adhesives being utilized.

PRINTED MEDIUM MANUFACTURING METHOD, PRINTED MEDIUM MANUFACTURING DEVICE, AND INK

There is provided a printed medium manufacturing method for manufacturing a printed medium by performing printing with ink with respect to a permeable medium, which is a recording medium that permeates the ink, the method including an ink attaching process of attaching the ink to the permeable medium, a pigment fixing process of fixing a pigment in the ink to the permeable medium with a binder resin in the ink by heating the ink attached to the permeable medium in the ink attaching process, and a dye color developing process of causing the permeable medium itself to develop color with the dye in the ink by heating the ink attached to the permeable medium in the ink attaching process. 1. A printed medium manufacturing method for manufacturing a printed medium by performing printing with ink with respect to a permeable medium , which is a recording medium that permeates ink , whereinthe ink includesa pigment for dying the permeable medium;a binder resin that fixes the pigment to the permeable medium by being heated; anda dye that causes the permeable medium itself to develop color by being heated, andthe printed medium manufacturing method includesan ink attaching process of attaching the ink to the permeable medium;a pigment fixing process of fixing the pigment to the permeable medium with the binder resin by heating the ink attached to the permeable medium in the ink attaching process; anda dye color developing process of causing the permeable medium itself to develop color with the dye by heating the ink attached to the permeable medium in the ink attaching process.2. The printed medium manufacturing method according to claim 1 , whereinthe ink includes a solvent,the printed medium manufacturing method further includes a viscosity increasing process of evaporating the solvent to increase a viscosity of the ink before the dye color developing process, anda heating temperature of the ink is high in the dye color developing process compared to the viscosity increasing ...

BIOLOGICAL COMPOSITIONS, ARTICLES AND METHODS FOR MONITORING STERILIZATION PROCESSES

A sterility indicating composition comprising a plurality of sterilization process resistant spores; a germination medium comprising a sub-lethal amount of at least one cell-permeant nucleic acid-interacting fluorescent dye and at least one nutrient for germination of the spores; wherein the at least one cell-permeant fluorescent dye can interact with nucleic acids present in and produced by the plurality of spores during germination or during germination and outgrowth of the spores to produce an increase in fluorescence intensity, indicating that viable spores are present, and wherein the cell-permeant fluorescent dye is sufficiently stable at least at a temperature for incubating the spores to produce the increase in fluorescence intensity, a sterilization process indicator comprising the composition, and a method of determining the effectiveness of a sterilization process using the composition and indicator are disclosed. 116-. (canceled)18. The method of claim 17 , further comprising determining whether or not viable spores are present claim 17 , after exposing the sterilization process indicator to a sterilant claim 17 , by measuring the increase in fluorescence intensity claim 17 , if present claim 17 , while incubating the spores with the germination medium and determining a rate of increase in fluorescence intensity claim 17 , if present.19. The method of claim 17 , further comprising determining whether or not viable spores are present claim 17 , after exposing the sterilization process indicator to a sterilant claim 17 , by measuring the increase in fluorescence intensity claim 17 , if present claim 17 , after incubating the spores with the germination medium as compared with before incubating the spores with the germination medium.20. (canceled)21. The method of claim 17 , wherein the concentration of the cell-permeant fluorescent dye is not more than 0.10 mM.22. The method of claim 17 , wherein whether or not as few as 100 viable spores are present is ...

Pathogen Surrogates Based on Encapsulated Tagged DNA for Verification of Sanitation and Wash Water Systems for Fresh Produce

A pathogen surrogate, formed by a DNA tag or bar code and a carrier, is described for use in the validation and verification of sanitation, such as in food processing operations and for wash water systems for fresh produce. The carrier material is selected so that the pathogen surrogate mimics the behavior of a pathogen when subjected to a sanitation operation. One or more surrogates can be introduced in to an environment, which is then subjected to sanitation process, followed by a detection process using the DNA tag of the surrogate. 1. A product , comprising:a DNA bar code; anda non-toxic pathogen surrogate carrier with which the DNA bar code is combined to form a pathogen surrogate, wherein the pathogen surrogate is degradable under a sanitation process.2. The product of claim 1 , wherein the pathogen surrogate carrier includes one or more of maltodextrin claim 1 , a salt claim 1 , a starch claim 1 , a non-water soluble food grade polymer claim 1 , a protein claim 1 , or a lipid.3. The product of claim 1 , wherein the pathogen surrogate carrier is a poly(lactic-co-glycolic acid) polymer.4. The product of claim 1 , wherein the pathogen surrogate carrier is a gelatin based carrier.5. The product of claim 1 , wherein the pathogen surrogate includes UV inhibitors.6. The product of claim 1 , wherein the pathogen surrogate includes anti-oxidants.7. The product of claim 1 , wherein the pathogen surrogate carrier includes one or more of carrageenan claim 1 , carnauba claim 1 , silica claim 1 , water-soluble carbohydrate claim 1 , flour claim 1 , albumin claim 1 , casein.8. The product of claim I claim 1 , wherein the pathogen surrogate carrier is a particle bearing a core of a functionally ferromagnetic material.9. The product of claim 1 , wherein the pathogen surrogate includes fixed cells of a formerly living microorganism.10. The product of claim 1 , wherein the DNA bar code is encapsulated in the surrogate carrier.11. The product of claim 1 , wherein the DNA bar ...

DISINFECTION METHOD AND APPARATUS

Photosensitizers are incorporated into articles, such a personal protective equipment. A method of applying continuous and consistent light includes fitting the articles with light sources and optical fibers to apply light to the areas of the articles incorporated with the photosensitizers. Photosensitizers can be applied to articles by various applicators in either a gel or solution. A gel can be particularly effective when used on hydrophobic surfaces. Photodynamic reactor systems can be used to determine the effective doses of photosensitizers and the light dosimetry which can then be applied for use with the articles. 1. An article that is worn on a person , comprising:a material forming a part of the article that covers a body part, the material is configured to provide protection from microbes; andone or more photosensitizers are incorporated over an area of the material, wherein the one or more photosensitizers generate singlet oxygen by absorbing light of a particular waveband to provide protection from microbes in combination with the material.2. The article of claim 1 , is a personal protective equipment article selected from a mask claim 1 , a glove claim 1 , and a gown.3. The article of claim 1 , further comprising one or more light source incorporated into the article claim 1 , wherein the light source emits a waveband of light absorbed by the one or more photosensitizers.4. The article of claim 3 , wherein the one or more light source includes a lens configured to direct the light onto the area of the material incorporated with the one or more photosensitizers.5. The article of claim 3 , further comprising one or more optical fiber that abuts the light source claim 3 , wherein the optical fiber is an edge-emitting optical light fiber claim 3 , and the edge-emitting optical light fiber emits light over the area of the material incorporated with the one or more photosensitizers.6. The article of claim 3 , further comprising a second light source ...

Sterilization Chemical Indicator

The present disclosure relates generally to chemical indicators. In particular, the chemical indicators are useful for monitoring sterilization processes. The chemical indicator includes a fluid pathway and a chamber comprises a chemical-indicating composition. 1. A chemical indicator comprising:a first sheet substantially impermeable to a sterilant;a second sheet substantially impermeable to a sterilant positioned in an overlapping relationship with respect to the first sheet;a third sheet positioned between the first sheet and the second sheet;a fluid pathway; anda chamber;wherein the fluid pathway comprises a bottom portion, a top portion, and two side portions;wherein the chamber comprises a chemical-indicating composition;wherein the bottom portion of the fluid pathway is defined by the first sheet, the top portion of the fluid pathway is defined by the second sheet, and the sides of the fluid pathway are defined by the third sheet, the fluid pathway having a first end that defines a first opening and a second end that defines a second opening;wherein a first end of the fluid pathway is configured to be in fluid communication with ambience and the second end of the fluid pathway is configured to be in fluid communication with the chamber.2. A flat-format sterilization process challenge device comprising:{'claim-text': ['a chamber comprising a chemical-indicating composition;', 'a first sheet;', 'a second sheet positioned in an overlapping relationship with respect to the first sheet;', 'a third sheet positioned between the first sheet and the second sheet, the third sheet including a cutaway region to define a first fluid pathway,'], '#text': 'a container comprising a chemical indicator, wherein the chemical indicator comprises:'}a second fluid pathway between ambiance and the chemical indicator,wherein the first fluid pathway is defined by the first sheet, the second sheet and the third sheet, the fluid pathway including a first opening and a second opening; ...

A Multilayer Test Pack for Sterilization Monitoring

The disclosed multilayer test pack comprises a channel lamina to form a recessed channel, and then a seal layer covers the recessed channel to form an embedded channel By providing the recessed channel in a thin-film channel lamina, the recessed channel tolerances are better controlled. Further, using thin films for the channel lamina, which can be formed into a roll, allows for a continuous unrolling and continuous bonding to a seal layer. 1. A multilayer test pack comprising: a bonding surface;', 'a recessed channel extending from the first bonding surface into the channel surface;, 'a channel lamina comprising a channel surface, a covering surface opposite from the channel surface, wherein the channel surface comprisesa seal layer comprising a seal surface and an outer surface opposite from the seal surface, wherein the seal surface is bonded to the bonding surface;an embedded channel contained between the recessed channel and the seal surface;wherein the embedded channel extends from an inlet port exposed to an external environment and an outlet port exposed to a sealed cavity;wherein the sealed cavity is formed in a layer of multilayer test pack other than the channel lamina.2. The multilayer test pack of claim 1 , wherein channel lamina comprises a single claim 1 , unitary structure wherein the recessed channel extends partially into the channel surface.3. The multilayer test pack of claim 1 , wherein the channel lamina comprises a first continuous layer comprising the channel surface and a second continuous layer comprising the covering surface.4. The multilayer test pack of claim 3 , wherein the recessed channel extends entirely through the first layer.5. The multilayer test pack of claim 1 , wherein the channel lamina is a thin layer with a substantially planar covering surface and substantially planar bonding surface.6. The multilayer test pack of claim 1 , wherein channel lamina further comprises an edge surrounding the channel surface and covering ...

FILTER SYSTEM WITH OUTLET FUNCTION

A gas-permeable filter system for a sterile container includes a filter element and a seal portion that sealingly surrounds a gas exchange opening provided in a sterile container wall section in such a manner that the seal portion rests against the sterile container wall section so that a sterile flow path is formed through the gas exchange opening and the filter element. A temperature-sensitive adjusting section releases at least the seal portion from the sterile container wall section when a specified temperature is reached or exceeded such that a non-sterile flow path is formed which allows fluid to be supplied or discharged via the gas exchange opening while bypassing the filter element. The sterile container includes a base and walls that define a receiving space. The sterile container also includes a cover for closing the receiving space. At least one filter system is preferably secured to the sterile container base. 1. A gas-permeable filter system for a sterile container , the filter system comprising:a filter element;a seal portion which is adapted to sealingly surround a gas exchange opening provided in a sterile container wall section in such a manner that the seal portion rests against the sterile container wall section of the sterile container so that a sterile flow path is formed through the gas exchange opening and the filter element; andat least one temperature-sensitive adjusting section which releases at least the seal portion from the sterile container wall section when a specified temperature is reached or exceeded such that a non-sterile flow path is formed which allows fluid to be supplied or discharged via the gas exchange opening while bypassing the filter element.2. The filter system according to claim 1 , wherein the temperature-sensitive adjusting section is at least one adjusting element formed separately from the filter element.3. The filter system according to claim 1 , wherein the temperature-sensitive adjusting section is formed in ...

APPARATUS AND METHOD FOR DETECTING MOISTURE IN A VACUUM CHAMBER

A method of sterilizing medical instruments using a vacuum chamber connected to reservoir by a valve in a closed state is disclosed that includes placing instruments in a non-sterile state into a sterilization pack, opening a chamber, placing the pack into the chamber, closing the chamber, withdrawing a first volume of air from the chamber, changing a volume of liquid water into vapor, opening the valve, introducing sterilant into the chamber, introducing a second volume of air into the chamber, opening the chamber, removing the pack from the chamber, and removing the instruments in a sterile-state from the pack. The process may further include the steps of repeatedly determining pressure within the chamber, calculating second-derivative values of pressure with respect to time, and determining whether any local maxima exist in a plot of second derivative values that correspond to pressures above and/or below the triple-point pressure of water. 1. A method of operating a sterilization system having a chamber for sterilizing instruments , comprising:repeatedly determining pressure within the chamber while withdrawing a first volume of air from the chamber;calculating second-derivative values of pressure with respect to time;calculating a summation of positive differences between consecutive second derivative values;comparing the summation to a threshold value;determining that the summation is greater than the threshold value; andin response to determining that the summation is greater than the threshold value, increasing the pressure in the chamber.2. The method of claim 1 , in which the step of calculating the summation of positive differences is performed for consecutive second derivative values corresponding to a pressure range.3. The method of claim 2 , in which the pressure range comprises between about 4.6 torr and about 0.3 torr.4. The method of claim 1 , in which the step of increasing the pressure in the chamber includes introducing a second volume of air ...

PATCH TYPE THERMOMETER AND APPLICATION PRODUCT FOR SAME

The present disclosure relates to a patch-type thermometer using a thermochromic ink, and particularly to, a patch-type thermometer capable of accurately measuring a body temperature even in special environments. 1. A patch-type thermometer comprising:a first film layer; anda thermochromic ink composition mixed layer stacked on the first film layer and composed of a thermochromic ink composition including first thermochromic ink powder exhibiting a first color, second thermochromic ink powder exhibiting a second color, third thermochromic ink powder exhibiting a third color, and a binder.2. The patch-type thermometer of claim 1 , further comprising:an adhesive layer stacked on a lower side of the first film layer; anda lower release layer stacked on a lower side of the adhesive layer.3. The patch-type thermometer of claim 1 , further comprising:an adhesive layer stacked on an upper side of the thermochromic ink composition mixed layer; anda second film layer stacked on an upper side of the adhesive layer.4. The patch-type thermometer of claim 3 , further comprising:a lower release layer stacked on the lower side of the first film layer; and an upper release layer stacked on an upper side of the second film layer.5. The patch-type thermometer of claim 4 , wherein the upper release layer or the lower release layer contains one or more components selected from PET claim 4 , PE claim 4 , PP claim 4 , and paper.6. The patch-type thermometer of claim 1 , wherein the first film layer contains one or more components selected from an OPP film claim 1 , PET claim 1 , PP claim 1 , and paper.7. The patch-type thermometer of claim 3 , wherein the second film layer is a transparent film.8. The patch-type thermometer of claim 7 , wherein the second film layer contains one or more components selected from urethane claim 7 , PE claim 7 , and PP.9. The patch-type thermometer of claim 1 , wherein the first thermochromic ink powder to the third thermochromic ink powder comprise a ...

METHOD AND APPARATUS TO EVALUATE INTERNAL FLEXIBLE ENDOSCOPE CHANNELS IN THE CONTEXT OF ENDOSCOPE PORTS AND CHANNEL COMPLEXITIES

A test instrument and a method for producing a test instrument used to evaluate a cleaning, disinfection and/or drying processes of internal flexible channels includes obtaining a medical instrument having a flexible probe section configured for insertion into a body, the flexible probe section including at least one internal flexible channel and at least one external device port, and attaching an access device between the at least one external device port and the at least one internal flexible channel to enable selective access into the internal flexible channel. 1. A method for producing a test instrument used to evaluate decontamination process that includes at least one of a cleaning , disinfection or drying process of internal flexible channels , comprising:obtaining a medical instrument having a flexible probe section configured for insertion into a body, the flexible probe section including at least one internal flexible channel and at least one external device port; andattaching an access device between the at least one external device port and the at least one internal flexible channel to enable selective access into the internal flexible channel.2. The method according to claim 1 , wherein attaching the access device comprises removing an exterior sheath from the flexible probe section to expose the at least one external device port and the at least one internal flexible channel of the medical instrument.3. The method according to claim 1 , wherein attaching the access device comprises replacing the flexible probe section with transparent tubing claim 1 , the transparent tubing defining the at least one flexible internal channel.4. The method according to claim 1 , wherein attaching the access device comprises using at least one of a tubing connector or a threaded connector as the access device.5. The method according to claim 1 , wherein obtaining the medical instrument comprises obtaining a medical instrument that has at least one of exceeded a ...

STERILE STATUS INDICATOR BY MEANS OF PHASE CHANGE

A phase change material is used for the production of a sterile state indication means for a sterilization container. A sterile state indication means for a sterilization container includes a fluid-tight case containing a phase change material. In this assembly, the case wall of the case includes at least one transparent zone and an activator which can be actuated in order to release an activation energy and/or crystallization seeds. The activator is in contact with the phase change material. Further, a sterilization container includes a container trough and a container lid, including a sterile state indication means. The sterile state indication means is provided either on the container trough or on the container lid, and the activator, in the closed state of the sterilization container, is in direct or indirect connection with the respectively other element among container trough and container lid. 111.-. (canceled)12. A method for producing a sterilization container comprising the steps of:providing a container; andproviding a sterile state indication means, the sterile state indication means comprising a phase change material.13. The method according to claim 12 , wherein the phase change material has a melting temperature in a temperature range from 25° C. to 100° C.14. A sterile state indication means for a sterilization container comprising:a fluid-tight case containing a phase change material, wherein the case wall of the case comprises at least one transparent zone, andan activator which can be actuated in order to release an activation energy and/or crystallization seeds, the activator being in contact with the phase change material.15. The sterile state indication means according to claim 14 , whereina labeling and/or color marking is provided on and/or in the fluid-tight case in such a manner that it faces the transparent zone of the case wall at least in parts.16. The sterile state indication means according to claim 15 , whereinthe labeling and/or ...

INK COMPOSITION FOR DETECTING HYDROGEN PEROXIDE AND INDICATOR FOR DETECTION OF HYDROGEN PEROXIDE

A primary object of the present invention is to provide a hydrogen peroxide gas detection indicator which allows more certain visual recognition of color changing according to the concentration of hydrogen peroxide gas. The structure of this invention relates to an ink composition for detecting hydrogen peroxide gas containing (1) at least one of styrene acrylic resins and styrene-maleic acid resins and (2) a methine dye. According to this invention, a color-changing layer is formed using the ink composition for detecting hydrogen peroxide gas, allowing color changing according to the concentration of hydrogen peroxide gas to be visually recognized. 1. An ink composition for detecting hydrogen peroxide gas comprising 1) at least one of styrene acrylic resins and styrene-maleic acid resins , 2) a methine dye , and 3) a cationic surfactant , wherein1) the content of said at least one of styrene acrylic resins and styrene-maleic acid resins is 1 to 50% by weight relative to the total weight of the composition,2) the content of the methine dye is 0.05 to 5% by weight relative to the total weight of the composition, and3) the cationic surfactant is at least one member selected from the group consisting of behenyltrimethylammonium chloride, hexadecyltrimethylammonium chloride, lauryltrimethylammonium chloride, and octadecyltrimethylammonium chloride, andwherein the content of the cationic surfactant is 0.1 to 15% by weight relative to the total weight of the composition.2. The ink composition for detecting hydrogen peroxide gas according to claim 1 , further comprising an extender.3. The ink composition for detecting hydrogen peroxide gas according to claim 2 , wherein a part or all of the extender is composed of silica.4. The ink composition for detecting hydrogen peroxide gas according to claim 1 , further comprising a second resin binder that excludes styrene acrylic resin and styrene-maleic acid resin.5. The ink composition for detecting hydrogen peroxide gas ...

Biological indicator for determining the efficacy of a steam or heat sterilization process and its method of use

The invention relates to a biological indicator for determining the efficacy of a steam or heat sterilization process, and its method. The biological indicator comprises microbial spores (a), at least one sensor protein exogenous to the microbial spores (b), one fluorophore (c), and a culture medium (d). The invention also refers to the method of use of this biological indicator. This method consists of (a) placing the biological indicator along with a target material to be steam or heat sterilized within a steam or heat sterilizer, (b) carrying out a steam or heat sterilization process, (c) placing the biological indicator in a an incubator, (d) screening the biological indicator for immediate detectable changes in fluorescence intensity, while incubating the biological indicator in the incubator, (e) determining the efficacy of the steam or heat sterilization process based on the screening carried out during step d), (f) extending the incubation of the biological indicator obtained in step d), (g) screening the incubated biological indicators obtained in step e) for an optically detectable color change, and (h) determining the efficacy of the steam or heat sterilization process, according to optically detectable changes obtained in step g).

Temperature Detecting Material, Temperature Detecting Ink Using Same, Temperature Indicator, and Product Control System

Please substitute the new Abstract submitted herewith for the original Abstract: A temperature detecting material comprises a first material containing a first temperature indicating material and a second material containing a second temperature indicating material, wherein the first temperature indicating material and the second temperature indicating material contain a leuco dye, a color developing agent, and a decoloring agent, and have a hysteresis characteristic in their color density-temperature curves, wherein the first temperature indicating material has a color developing temperature in a temperature increase process lower than a decoloring temperature in the temperature increase process, and turns to a non-crystalline state and is kept in a decoloring state when cooled down below the color developing temperature in the temperature increase process with a predetermined cooling speed or more after melting, wherein the second temperature indicating material, a color developing temperature is lower than a decoloring temperature in the temperature increase process, and wherein the color developing temperature in the temperature increase process is lower than the decoloring temperature in the temperature increase process and the color developing temperature is lower than the color developing temperature in the temperature increase process. 1. A temperature detecting material comprising a first material containing a first temperature indicating material and a second material containing a second temperature indicating material ,whereinthe first temperature indicating material and the second temperature indicating material respectively contain a leuco dye, a color developing agent, and a decoloring agent, and respectively have hysteresis characteristics in their color density-temperature curves,wherein{'sub': a1', 'di', 'a1, 'the first temperature indicating material has a color developing temperature Tin a temperature increase process, which is lower than a ...

TEMPERATURE RANGE COMPLIANCE INDICATOR

An indicator or display that may be in the form of a label that can instantaneously provide confirmation that a product is in a good preservation state by making a simple visual check, and particularly to detect if the product temporarily went outside a determined temperature range and to memorize this event. Strict monitoring of a temperature range is essential to be able to guarantee quality of many products. The indicator or display may be applicable to any product or device for which the temperature has to be monitored between two thresholds. 111-. (canceled)12. An indicator system to monitor that a setpoint temperature range is maintained , the indicator system comprising:a thermochromic material composed of at least two thermochromic compositions, each at least two thermochromic composition having a first color state and a second color state as a function of temperature, a transition from said first color state to said second color state being reversible, said thermochromic compositions having an adjustable thermal hysteresis, such that a response curve of one of the at least two thermochromic compositions is enveloped to the response curve of the second thermochromic composition, and such that when the temperature of said thermochromic compositions is increased, the transition from said first color state to said second color state takes place at a different temperature threshold than the transition from said second color state to said first color state when said system is cooled; anda heat treatment to return said indicator system to its initial color state.13. The indicator system of claim 12 , wherein the at least two thermochromic compositions are in micro-encapsulated form.14. The indicator system of claim 13 , wherein each of the at least two thermochromic compositions is micro-encapsulated separately from the other.15. The indicator system of claim 12 , further comprising a support.16. The indicator system of claim 15 , wherein the support comprises a ...

CRYSTALLINE MATERIAL, PROCESS FOR PRODUCING IT AND USE THEREOF

The present invention relates to a crystalline material comprising a basic crystal based on at least one host element (We), which basic crystal is doped with at least one element of the rare earths (Do), the crystalline material having the formula: 2. The crystalline material as claimed in claim 1 , characterised in that (c)>0.3. The crystalline material as claimed in claim 1 , characterised in that Weand/or Weis/are present in a +3 or +4 claim 1 , oxidation state.4. The crystalline material as claimed in claim 1 , characterised in that the basic crystal is doped with 0.5-10 per cent by weight rare-earth oxide claim 1 , based on the total weight of the crystalline material.5. The crystalline material as claimed in claim 1 , characterised in that the rare-earth element is selected from erbium claim 1 , ytterbium claim 1 , thulium and holmium.6. A process for producing a crystalline material as claimed in claim 1 , said process comprising the steps of:a) providing aqueous solutions of salts or oxides of the elements to be used,b) mixing the aqueous solutions from step a) in a desired ratio,c) adding an oxidising agent and a glycol and/or polyglycol to the mixture from step b),d) heating a mixture produced in step c) to a temperature of 50-150° C., to form a gel,e) heating the gel to a temperature of at least 175° C., to convert the gel into a powder.f) annealing the powder obtained in step e) at a temperature of at least 500° C.7. The process as claimed in claim 6 , characterised in that ethylene glycol claim 6 , propylene glycol claim 6 , their polycompounds and/or glycerol is/are used as the glycol or polyglycol.8. The process as claimed in claim 6 , characterised in that the oxidising agent is nitric acid or hydrogen peroxide.9. A process for producing a crystalline material as claimed in claim 1 , said process comprising the steps of:i) preparing aqueous solutions of the elements to be used in their nitrate form,ii) optionally accompanied by cooling and stirring, ...

Temperature Traceable Indicator and Method for Manufacturing Same

The purpose of the present invention is to provide a temperature traceable indicator capable not only of displaying temperature history, but also adding other additional information. To that end, a temperature traceable indicator according to the present invention is provided with a base material and a temperature indicating laminate disposed on the base material, and is characterized in that the temperature indicating laminate is provided with a coloring layer including a color former, a color developing layer including a color developer for inducing the coloration of the color former, and a barrier layer disposed between the coloring layer and color developing layer, and the barrier layer includes a barrier agent that is immiscible with the color developer, is frozen at a first temperature, and melts beyond a second temperature so as to allow the color developer to become diffused in the coloring layer so that color is produced. 1. A temperature traceable indicator comprising a substrate and a temperature indicating laminate arranged over the substrate ,wherein the temperature indicating laminate has a coloring layer including a color former, a color developing layer including a color developer to induce color development of the color former, and a barrier layer arranged between the coloring layer and the color developing layer; andthe barrier layer includes a barrier agent that is incompatible with the color developer, freezes at a first temperature, and develops a color by melting and allowing the color developer to diffuse into the coloring layer at a temperature exceeding a second temperature.2. The temperature traceable indicator according to claim 1 ,wherein the temperature indicating laminate is formed by stacking the color developing layer, the barrier layer, and the coloring layer in this order from the substrate side.3. The temperature traceable indicator according to claim 1 ,wherein the temperature indicating laminate is formed by stacking the coloring ...

DISINFECTION DEVICES, SYSTEMS, AND MATERIALS

A handheld disinfection device includes a housing, an electromagnetic radiation source, a sensor, and a controller. The housing is configured to be grasped by an operator and the electromagnetic radiation source is affixed to the housing and is configured to operably emit disinfecting electromagnetic radiation. The sensor and the controller are coupled to the housing, and the controller includes a processor and a memory having instructions stored thereon that cause the processor to perform various operations. The various operations may include receiving, by the processor, operational data from the sensor pertaining to an operator's manipulation of the handheld disinfection device during a disinfecting treatment. The controller operations may further include determining, by the processor, operational feedback based on the operational data, wherein the operational feedback comprises information pertaining to whether a proper dosage of disinfecting electromagnetic radiation has been directed to a surface of a structure to be disinfected. 1. A handheld disinfection device , comprising:a housing;an electromagnetic radiation source affixed to the housing and configured to operably emit disinfecting electromagnetic radiation;a sensor coupled to the housing; and "receiving, by the processor, operational data from the sensor pertaining to an operator's manipulation of the handheld disinfection device during a disinfecting treatment.", 'a controller coupled to the housing, the controller comprising a processor and a tangible, non-transitory computer-readable storage medium having instructions stored thereon that, in response to execution by the processor, cause the processor to perform operations comprising2. The handheld disinfection device of claim 1 , wherein the operations further comprise determining claim 1 , by the processor claim 1 , operational feedback based on the operational data claim 1 , wherein the operational feedback comprises information pertaining to ...

Peroxide indicator

An indicator for detecting peroxide can detect the peroxide through change of hue thereof by reacting the peroxide according to a predefined concentration and a predefined sterilization treatment condition thereof. The indicator has better resistance against weather or light and preservation stability than those of prior indicators including inorganic compounds or organic compounds as discoloration components, can clearly change an arbitrary hue thereof under suitable discoloration rate, and has visible distinguishability. The indicator for detecting peroxide includes powdery metal sulfide, that undergoes discoloration by reacting with the peroxide. In particular a discoloration layer including the metal sulfide is applied onto at least a portion of a base substrate.

COMPOSITON SENSITIVE TO UV-C RADIATION AND UV-C STERILIZATION OR DISINFECTION DOSIMETER

A reactive ink composition comprising a UV-C radiation sensitive polymer, an acid scavenger, a photoinitiator, and a pH-sensitive dye. A method to print a composition onto a UV-C radiation dosimeter using a “layer-by-layer” deposition technique, as well as a dosimeter comprising the reactive ink composition, useful in monitoring the efficiency of a UV-C radiation sterilization or disinfection process.

WRITING AND/OR DRAWING SYSTEM COMPRISING PH SENSITIVE DYE AND METHOD THEREOF

The invention refers to a writing and/or drawing system comprising a pH sensitive dye and a writing material having a pH configured to provide a change in the colour of said dye on said surface of the support, as well as to a method to write and/or draw on the system with the writing material. 1) A writing and/or drawing system comprising a support having a surface and a device that includes a writing and/or drawing material suitable to write and/or draw on said support , characterised in that said support comprises a dye , said dye being pH-sensitive , whereby the colour of said dye is modified by a change of the pH on said support; said writing and/or drawing material having a pH configured to provide a change in the colour of said dye on said surface of the support.2) The writing system according to claim 1 , further including at least a second device including a further writing and/or drawing material having a pH suitable to bring the pH of the areas of said support at least to its initial value and to return the initial colour to said dye claim 1 , whereby the applied writing is removed.3) The writing system according to or claim 1 , wherein said support includes a fabric claim 1 , preferably a woven fabric claim 1 , and said dye is applied to said fabric.4) The writing system according to claim 3 , wherein said fabric includes cellulosic fibers.5) The writing system according to any previous claim claim 3 , wherein said support is one of a canvas claim 3 , notepad claim 3 , billboard and publicity poster.6) The writing system according to claim 5 , wherein said support is a canvas claim 5 , preferably an un-primed canvas.7) The writing system according to any previous claim claim 5 , wherein said dye is selected from: 1-(2-pyridylazo)-2-naphtol (PAN); Alizarin Red S (3 claim 5 ,4-Dihydroxy-9 claim 5 ,10-dioxo-2-anthracenesulfonic acid sodium salt); Bromocresol green (3′ claim 5 ,3″ claim 5 ,5′ claim 5 ,5″-Tetrabromo-m-cresolsulfonephthalein); Bromocresol ...

Ethylene Oxide Treatment Indicator, Label and Method of Use

The present invention provides an indicator useful in confirming successful sterilisation and/or nucleic acid decontamination by ethylene oxide (EtO) treatment. The invention also provides a label comprising said indicator and methods for use of the indicator and label in a method of EtO treatment. 1. An indicator for confirming successful ethylene oxide (EtO) exposure wherein said indicator comprises a solid support treated with a dye selected from the group comprising:(a) Bromophenol red(b) Bromothylmol blue(c) Bromoxylenol blue(d) Chlorophenyl red(e) m-Cresol purple(f) Cresol red(g) Neutral red(h) Nile blue(i) Rosolic acid(j) Fast violet B(k) Mordant blue 9(l) Oil red O(m) Phthanlcyanine Cu(n) Phthanlcyanine green(o) Phthanlcyanine Fe(p) Phthanlcyanine Mg(q) Phthanlcyanine Zn(r) Prussian blue; and(s) Ruthenium red.2. The indicator as defined in claim 1 , wherein said solid support is selected from the group comprising cellulose based paper claim 1 , woven or non-woven fibrous materials claim 1 , including man made claim 1 , or naturally occurring polymer fibres such as an alginate claim 1 , mineral fibre based materials such as glass fibre materials.3. The indicator as defined in either claim 1 , wherein said solid support is a cellulose based paper.48.-. (canceled)9. The indicator as defined in claim 1 , wherein said solid support comprises more than one of said dyes.10. The indicator as defined in claim 1 , wherein said solid support further comprises one or more nucleic acid stabilisation chemicals.1113.-. (canceled)14. The indicator as defined in claim 10 , wherein said nucleic acid stabilisation chemicals are selected from the group comprising a weak base claim 10 , a chelating agent claim 10 , an anionic surfactant claim 10 , an anti-oxidant claim 10 , preferably Tris HCl claim 10 , EDTA claim 10 , SDS and uric acid claim 10 , respectively.1518.-. (canceled)19. The indicator as defined in claim 14 , wherein said one or more nucleic acid stabilisation ...

Hygiene Compliance Method, Use and System

The present specification discloses methods of monitoring hygiene compliance, hygiene monitoring systems and methods and uses of such systems. 1. A method of monitoring hygiene compliance comprising:applying a washing agent and a coloring agent to a surface area of an object; anddetecting the presence or absence of color on the surface area washed with the washing agent.2. The method according to claim 1 , wherein the washing agent is a personal washing agent claim 1 , a residential washing agent claim 1 , a commercial washing agent claim 1 , or an industrial washing agent.3. The method according to claim 1 , wherein the washing agent is a detergent claim 1 , a soap claim 1 , a cleaner claim 1 , a bleach claim 1 , a disinfectant claim 1 , or a sterilizing agent.4. The method according to claim 1 , wherein the washing agent is a surfactant-based composition claim 1 , an alcohol-based composition claim 1 , an antimicrobial composition claim 1 , an antiseptic composition claim 1 , or any combination thereof.5. The method according to claim 1 , wherein the coloring agent is a light-sensitive coloring agent claim 1 , an ultraviolent light (UV)-sensitive coloring agent claim 1 , an infrared (IR)-sensitive coloring agent claim 1 , a pH-sensitive coloring agent claim 1 , a redox-sensitive coloring agent claim 1 , a chelating-sensitive coloring agent claim 1 , an enzyme-sensitive coloring agent claim 1 , a carbon dioxide-sensitive coloring agent claim 1 , a thermo-sensitive coloring agent claim 1 , or any combination thereof.6. The method according to claim 1 , wherein the coloring agent is an acridine dye claim 1 , an anthraquinone dye claim 1 , an arylmethane dye claim 1 , an azin dye claim 1 , an azo dye claim 1 , a diarylmethane dye claim 1 , a diazonium dye claim 1 , an eurhodin dye claim 1 , a fluorene dye claim 1 , an indigoid dye claim 1 , an indamin dye claim 1 , an indophenol dye claim 1 , an Iodine-based dye claim 1 , a lutein ester dye (mixture of carotenoid ...

HYGIENE SYSTEM AND METHOD FOR OPERATING A HYGIENE SYSTEM

The present invention relates to a hygiene system comprising 1. Hygiene system comprising{'b': ['1', '2', '1', '2', '2'], '#text': 'at least one sanitary fitting (), wherein the sanitary fitting has at least one fluid outlet (., .) for dispensing at least one fluid,'}{'b': ['3', '6'], '#text': 'at least one camera () for recording the hands () of a user,'}{'b': '4', '#text': 'at least one optical display () and'}{'b': ['5', '5', '3', '4'], '#text': 'a control (), wherein the control () is connected to the camera () and the optical display (),'}characterised in that{'b': ['5', '6', '6', '6'], 'i': ['a,', 'b'], '#text': 'the control () is set up to determine the hand areas () of the hands () of a user which have been cleaned, and'}{'b': ['5', '4', '6', '4', '6'], 'i': ['a', 'a'], '#text': 'the control () and the optical display () are set up to show at least one area of the hand () on the optical display () if it is determined that the respective area () of the hand has not, or not adequately been cleaned.'}25466a,b. Hygiene system according to claim 1 , wherein the control () is set up to show a perfect cleaning result on the optical display () if all areas () of the hand have been adequately cleaned.31. Hygiene system according to claim 1 , wherein the sanitary fitting () comprises an identification device for identifying the user.4. Hygiene system according to claim 3 , wherein the identification device comprises one of the following elements:fingerprint sensor or sensor for recognising a user by a physical feature,unit for detecting a prefabricated identification, such as a barcode, RFID chip or smartphone,wherein, in particular, personalised feedback to the user takes place.512221225. Hygiene system according to claim 1 , wherein the sanitary fitting () comprises at least one further claim 1 , second outlet (.) for dispensing a second fluid claim 1 , and the dispensing of the first fluid from the first outlet (.) and the dispensing of the second fluid from the ...

ELECTRONICS CASE WITH THERMOCHROMIC PANEL

A case for an electronic device according to an example embodiment of the invention. The case defines a space or housing for receiving an electronic device such as a smartphone or tablet computer. At least a portion of the case is formed from a thermochromatic material. As used herein, the term thermochromic refers to a material that changes color in response to a change in temperature of the material and/or a temperature of an object contacting the material. 1. A case for an electronic device , at least a portion of the case comprising a color-changing thermochromic material having an original color and being temperature responsive to change the color of at least a portion of the thermochromic panel to a color differing from the original color upon exposure to a change in temperature.2. The electronic device case of claim 1 , wherein the thermochromic material is temperature-responsive to change color in response to a user handling the case.3. The electronic device case of claim 1 , wherein a change in temperature of the thermochromic material occurs when the thermochromic material is contacted by an object having a temperature greater or lower than room temperature.4. The electronic device case of claim 3 , wherein the thermochromic material only changes color in areas directly contacted by the object having a temperature greater or lower than room temperature.5. The electronic device case of claim 3 , wherein the thermochromic material returns to its original color upon reversal of the change in temperature.6. The electronic device case of claim 1 , wherein the thermochromic material passes through a series of different colors in response to passing through a range of different temperatures.7. The electronic device case of claim 6 , wherein the series of different colors comprises colors in the spectrum of visible light.8. The electronic device case of claim 6 , wherein the series of different colors comprises red claim 6 , orange claim 6 , yellow claim 6 , green ...

DECOLORIZING APPARATUS

A decolorizing apparatus includes a translucent heater, a casing, and a controller. The translucent heater is configured to generate heat according to an applied voltage. The casing is configured to support the translucent heater. The controller is configured to apply a voltage to the translucent heater. The voltage is associated with a temperature at which a thermochromic colorant. 1. A decolorizing apparatus comprising:a translucent heater configured to generate heat according to an applied voltage;a casing configured to support the translucent heater; anda controller configured to apply a voltage to the translucent heater, the voltage associated with a temperature at which a thermochromic colorant.2. The decolorizing apparatus of claim 1 , wherein the translucent heater includes a translucent film which generates heat according to the voltage claim 1 , and a translucent substrate on which the translucent film is supported.3. The decolorizing apparatus of claim 1 , further comprising a temperature switch configured to designate a target temperature;wherein the controller is configured to select the voltage based on the target temperature.4. The decolorizing apparatus of claim 2 , wherein:the translucent film includes a plurality of film regions, andthe controller is configured to apply the voltage to the plurality of film regions respectively.5. The decolorizing apparatus of claim 4 , wherein:the plurality of film regions includes a first film region and a second film region, andthe second film region is larger than the first film region.6. The decolorizing apparatus of claim 5 , wherein:the first film region is shaped as a rectangular;the second film region is L-shaped; andthe first film region is adjacent the second film region.7. The decolorizing apparatus of claim 5 , wherein:the first film region is shaped as a first isosceles trapezoid;the second film region is shaped as a second isosceles trapezoid; andthe first film region is adjacent the second film ...

Temperature Detection Ink, Temperature Detection Ink Initialization Method, Temperature Indicator, and Article Management System

It is possible to provide a temperature detection ink, which allows color initialization by a simple method and discolors with addition of time and temperature at a reaction temperature or higher. To solve the problem, the temperature detection ink according to the present invention includes a temperature detection material and a solvent. The temperature detection material has a structure in which a thermosensitive material containing a leuco dye, a color-developing agent, and a decolorant is contained in a microcapsule, or a structure in which a phase containing the thermosensitive material is phase-separated from a matrix material. The thermosensitive material is solidified while being decolored by cooling from a molten state to a glass transition temperature or lower at a predetermined rate or higher. The thermosensitive material has a glass transition temperature of −20 to 60° C., and a melting point that is 60 to 250° C. and lower than the boiling point of the solvent. 1. A temperature detection ink , comprising:a temperature detection material; anda solvent,wherein the temperature detection material has a structure in which a thermosensitive material containing a leuco dye, a color-developing agent, and a decolorant is contained in a microcapsule, or a structure in which a phase containing the thermosensitive material is phase-separated from a matrix material,the thermosensitive material is solidified while being decolored by cooling from a molten state to a glass transition temperature or lower at a predetermined rate or higher,the thermosensitive material has a glass transition temperature of −20 to 60° C., andthe thermosensitive material has a melting point that is 60 to 250° C. and lower than the boiling point of the solvent.2. The temperature detection ink according to claim 1 ,wherein the glass transition temperature of the thermosensitive material is −20 to 25° C.3. The temperature detection ink according to claim 1 ,wherein the melting point of the ...

DISINFECTION SYSTEM AND METHOD

A disinfection monitoring system and method for performing monitoring of a disinfection system is provided. The disinfection monitoring system may include one or more image capture devices configured to capture a set of images or videos of an object to be disinfected, such as a user's hands, fingers, and body during an disinfection procedure. An AI module performs detection and detection-based tracking from the captured image or video to determine a quality of the disinfection procedure. The detection and detection-based tracking is performed using keypoint or key area based detection of the user's hands, fingers, and body during the disinfection procedure. A disinfection data collection system generates a ground-truth score from the set of images or videos that indicate a quality of the overall disinfection procedure and/or a quality of each step in the overall disinfection procedure. The ground-truth score is used to train the disinfection monitoring system. 1. A method for performing monitoring of a disinfection system , the method comprising:receiving, at a controller, a captured image or video of a disinfection procedure from at least one image capture device; andperforming detection and detection-based tracking of a user's fingers and/or one or both hands from the captured image or video to determine a quality of the disinfection procedure.2. The method of claim 1 , wherein the detection and detection-based tracking of the user's fingers and/or one or both hands is performed using keypoint or key area based detection.3. The method of claim 2 , wherein the keypoint or key area based detection is used by an Artificial Intelligence (AI) module associated with the controller to determine a poses of the user's body claim 2 , and/or fingers and/or one or both hands in each frame of the captured image or video while performing the disinfection procedure.4. The method of claim 2 , further comprising:performing human keypoint or key area detection on a part of the user ...