Барокамера

Барокамера

Способ лечения сосудистых заболеваний конечностей

Барокамера

Климато-оздоровительная камера

КЛИМАТООЗДОРОВИТЕЛЬНАЯ КАМЕРА, содержащая герметический корпус со звукоизоляцией и расположенные в нем кондиционер, ионизатор, ультрафиолетовый излучатель и кислородный блок, отличающаяся тем, что, с целью получения стойкого терапевтического эффекта при послетрудовой реабилитации, она снабжена гигиеническим блоком, блоком Лсихофизиологической разгрузки и экспресс-диагностики , состоящим из ультразвукового датчика , измерителя артериального давления, весов, велоэргометра, измерителя частоты пульса, измерителя температуры тела, музыкального устройства, устройства мандинной обработки, терминала, цветомузыкального устройства, первой демонстрационной установки, массажного устройства, видеомагнитофона и демонстрационных стендов, а также снабжена рабочим комплексом, содержащим соединенные кинезометрическое устройство, датчик физиологических параметров, программирующий блок и электрический двигатель, вторую демонстрационную установку н программнрующее устройство, вход которого соединен с кинезометрическим ...

Барокамера

СПОСІБ ЛІКУВАННЯ БРОНХІАЛЬНОЇ АСТМИ

Спосіб лікування бронхіальної астми включає дію аерозолю кам'яної солі при концентрації солі в повітрі 5-10мг/м3 , атмосферному тиску 740-750мм рт.ст., наявності від'ємних іонів 500-1000 в 1см3, середніх - 2000-3000 в 1см3, важких - 6000-8000 в 1см3 з експозицією 10-60хв. Додатково хворим призначають дію низькоенергетичного гелій-неонового лазерного випромінювання довжиною хвилі 0,63мкм, з потужністю випромінювання 15мвт на курс 15-20 процедур по 5 хвилин почергово через день на зони легенів і бронхів Захаріна-Геда та область надниркових залоз.

СПОСІБ ЛІКУВАННЯ ХРОНІЧНОГО ОБСТРУКТИВНОГО БРОНХІТУ

Спосіб лікування хронічного обструктивного бронхіту включає дію аерозолю кам'яної солі при концентрації солі в повітрі 5-10мг/м3 , атмосферному тиску 740-750мм рт.ст., наявності від'ємних іонів 500-1000 в 1см3, середніх - 2000-3000 в 1см3 і важких - 6000-8000 в 1см3 з експозицією 10-60хв. Додатково хворим призначають дію низькоенергетичного гелій-неонового лазерного випромінювання довжиною хвилі 0,63мкм, з потужністю випромінювання 15мВт на курс 15-20 процедур по 5 хвилин на зони легенів і бронхів Захар’їна-Геда.

Способ лечения дистрофии миокарда при хроническом физическом перенапряжении спортсменов

СПОСОБ ЛЕЧЕНИЯ ДИСТРОФИИ МИОКАРДА ПРИ ХРОНИЧЕСКОМ ФИЗИЧЕСКОМ ПЕРЕНАПРЯЖЕНИИ СПОРТСМЕНОВ, включающий проведение диетотерапии, воздушных ванн и введение лекарственных веществ отличающийся тем, что, с целью сокращения сроков лечения , дополнительно проводят гипербарическую оксигенацию по 50-60 мин при давлении 2,,6X10 Па в течение 5-20 дн.

Кондиционер воздуха

Способ моделирования эпилептиформ-НыХ СудОРОг

Способ остановки кровоточивости у больных болезнью верльгофа

Барокамера

Способ лечения острого панкреатита

СПОСОБ ЛЕЧЕНИЯ ОСТРОГО ПАНКРЕАТИТА путем проведения гипербарической оксигенации, отличающийся тем, что, с целью сокращения сроков лечения , перед оксигенацией внутривенно вводят 1500-2000 мл физиологического раствора , а гипербарическую оксигенацию проводят по 40-50 мин при давлении 1,5-2,0 ата.

Способ лечения язвенно-некротического энтероколита у новорожденных

СПОСОБ ЛЕЧЕНИЯ ЯЗВЕННО-НЕКРОТИЧЕСКОГО ЭНТЕРОКОЛИТА У НОВОРОЖДЕННЫХ путем воздействия кислородом, о.тл ич ающи йс я тем, что, с целью сокращения сроков лечения и снижения летальности, воздействие кислородом осуществляют на весь организм под давлением 1519-3039 гПа в течение 45-55 мин. . (Л ...

Устройство для определения допустимости воздухообмена

УСТРОЙСТВО ДЛЯ ОПРЕДЕЛЕНИЯ Д(ШУСТИ1«Х:ТИ ВОЗДУХООБМЕНА внутреннего и наружного воздуха, содержащее датчик, состоящий из снабженных входными патрубками конвекционных труб внутреннего и наружного воздуха с размещенными в них измерителями температуры и влажности, включенными в соответствующие схемл сравнения темг ператур и влажностёй которые через пороговые злементы и схему И соединены с индикатором, о т л и ч а ю щ ее с я тем, что, с целью повышения точности и надежности определения, в конвекционной трубе внутреннего воздуха, между входным патрубком и измерителями температуры и влажности размещен дополнительный нагреватель, подключенный к пороговому элементу | .схемы сравнения температур, между которыми и схемой и установлен злемент задержки. , .

Барокамера

Система централизованного снабжения кислородом больничных и операционных палат

Барокамера

Способ лечения атопических дерматитов

Барокамера

Способ измерения пульсового кровотока в тканях мошонки

СПОСОБ ИЗМЕРЕНИЯ ПУЛЬСОВОГО КРОВОТОКА В-ТКАНЯХ МОШОНКИ путем измерения электрич1еского сопротивления тканей переменному току между электродами, отлич ающийся тем, что, с целью стабилизации получаемых результатов, тестирующий электрод прижимают давлением 3035 мм рт.ст., а под индифферентным электродом пережимают кровеносные сосуды до прекращения KJpoBoo6pameния . (Л с ...

Барокамера

Способ лечения бронхиальной астмы

Устройство для оксигеногелиевой терапии

LIFE SUPPORT CHAMGER FOR INFANTS

Барокамера

Способ лечения эпилепсии

Способ повышения компенсаторных возможностей организма

Барокамера

Способ лечения облитерирующих заболеваний артерий нижних конечностей

Устройство для локального изменения скорости кровообращения

Барокамера

Барокамера

Способ лечения сосудистых заболеваний конечностей

Барокамера

Способ лечения наследственной геморрагической телеангиоэктазии (болезни рендю-ослера)

Способ лечения сосудистых заболеваний конечностей

Контрольное устройство для барокамер

Способ проведения гипербарической оксигенации

СПОСОБ ПРОВЕДЕНИЯ ГИПЕРБАРИЧЕСКОЙ ОКСИГЕНАЦИИ у детей, отличающийся тем, что, с целью профилактики токсического действия кислорода на легкие у больных, находящихся на самостоятельном дыхании, дыхательные пути больного изолируют и подают в зону дыхания кислород или инертный газ с избыточным давлением в 5-10 см вод. ст. ;о О) :о со ...

Барокамера

Ьарокамера для исследования животных

Способ стимуляции эстрогенного рецепторного аппарата эндометрия женщины

Кислородная баромагнитотерапевтическая камера Золотуева Н.И.

... 1. Кислородная баромагнитотерапевтическая камера, содержащая корпус из (уежесткой и эластичной частей, опору для больного, магнит, встроенный в опору для больного, излучатель ультрафиолетовых лучей, блок управления, узел подачи кислорода , отличающаяся тем, что, с целью интенсификации воздействия лечебны.х факторов , магнит выполнен постоянным в виде многополюсной плиты, составленной из дву.х одинаковых частей, установленных с возможностью взаимного перемещения посредством рукоятки; при этом магнит размещен в корпусе камеры полюсной частью. 2. Кислородная камера по п. 1, отличающаяся тем, что излучатель ультрафиолетовых лучей расположен снаружи корпуса камеры, выполненного из материала, прозрачного для ультрафиолетовых лучей. (Л / ...

Способ лечения детей с задержками психического развития

СПОСОБ ЛЕЧЕНИЯ ДЕТЕЙ С ЗАДЕРЖКАМИ ПСИХИЧЕСКОГО РАЗВИТИЯ, о Т личающийся тем, что, с целью сокращения сроков лечения, больных подвергают гипербарической оксигенации при давлении 1,0-2,1 атм в течение 40 мин ежедневно курсом в 9-10 процедур. (Л ...

Климатическая камера

КЛШЛАТИЧЕСКАЯ КАМЕРА, содержащая герметичное помещение. воздуходувку, кондициояер, регуляторы давления, дозатор кислорода, глушитель шьма, систему трубопроводов и вентилей, отличающаяся тем, ч то, с целью лечения аллергических заболеваний органов дыхания путем моделирования условий подземных лечебниц, она снабжена шлюзовой камерой, соляными блоками, установленными с зазором относительно стен, пола и потолка шлюзовой камеры и герметичного помещения, соляным фильтром-насытителем, связанным входом с кондиционером, а его выходы.расположены с двух сторон .соляных блоков, и дозатором угле- ,, кислого газа, соединенным с кондици- s онером.

Барокамера

БАРОКАМЕРА, содержащая кор|пус со шпангоутами, газовые трубопро воды и напускные отверстия, отличающаяся тем, что, с целью снижения шума при напуске газа и упрощения конструкции барокамеры, она снабжена перегородкаАШ и шумопоглощающей стенкой, размещенными внутри шпангоута, внутренняя полость шпангоута разделена перегородками на отдельные замкнутые камеры,а напускные -отверстия выполнены на корпусе баро (камеры. СО 4 00 4: ...

Устройство для биологических исследований

An Auto-Breathing Device for Artificial Respirator

POINTED HOOD OR CAMPANULA FOR OXYGEN CONCENTRATION

Apparatus and method for supplying a respiratory gas

An apparatus for supplying a respiratory gas to a patient within the scope of the diagnosis and/or the treatment of sleep-related breathing disorders includes an electronic signal processing device for generating a pressure control signal on the basis of indicative signals relating to the breathing activity and/or the physiological state of a person. The signal processing device comprises a signal inputting device and an extraction device for generating data field entries according to predefined signal analysis procedures. A pressure signal generator is provided for generating the pressure control signal, taking into account determined data field entries which are at least selected by the extraction device.

Detection of Dynamic Hyperinflation in Spontaneously Breathing Mechanically Ventilated Patients

A method and device for determining dynamic hyperinflation during mechanical ventilation of a spontaneously breathing patient, wherein mechanical ventilation is removed during one breath of the patient, inspiratory and expiratory volumes of the patient are measured during the one breath, and a difference between the inspiratory and expiratory volumes measured during the one breath is calculated. Dynamic hyperinflation of the patient's lungs is indicated in relation to the calculated difference.

Process for the automatic control of a respirator

A process for the automatic control of a respirator with a changeover between phases of respiration (inspiration and expiration), by a control unit checking a breathing activity signal for a threshold criterion. If the threshold criterion is met, a changeover is made and the control unit controls the fan of the respirator such that a pneumatic respiration variable (airway pressure, flow) is brought from an actual value to a preset target value for the new phase of respiration. The control unit further divides the change in the respiration variable, from the actual value to the target value, into a plurality of partial steps and checks the current breathing activity signal for the threshold criterion after each partial step. If this threshold criterion is no longer met, the state of operation of the respirator returns to the state before the last changeover, and otherwise, continues with the next partial step.

Systems and Methods of Adjusting Ventilator Modes and Settings Visually Via a Touchscreen

The systems and methods of the present application provides a graphical user interface (GUI) for adjusting the modes and settings of a patient ventilator. Upon selecting the type of breath setting (mechanical and/or pressure supported), and the target and control parameters for each breath setting, an ideal set of pressure, flow and volume waveforms are displayed on a touch-screen GUI. The user is then able to adjust any of the waveforms using the touch-screen GUI to the desired ventilator settings for that particular patient. The user then confirms the settings and the ventilator operates according to the user-set waveforms.

Inductance compensation in a pressure support system

A system and method for delivering a flow of gas to an airway of a patient ( 54 ). The system includes a gas flow generator ( 52 ) and a patient circuit ( 56 ) comprising a conduit ( 100 ) that communicates the flow of gas to a patient. A sensor ( 62 ) is configured to measure a rate of the flow gas and generate flow signals based on the measured rate of flow. A controller ( 64 ) is operatively connected with the gas flow generator ( 52 ) and the sensor ( 62 ) and is configured to control a pressure of the flow of gas provided to the patient. The controller ( 64 ) receives the flow signals from the sensor ( 62 ), determines a rate of change in the flow of the gas, and modifies or compensates the pressure of the flow of gas provided to the patient if the rate of change in the flow of gas provided to the patient exceeds a threshold amount.

GAS FLOW INDICATOR

A gas flow indicator () for medical equipment is described which is configured to provide an audible indication of gas flow. The medical equipment may be in form of a respiratory care device, an airway management device, a heat moisture exchanger (), an oxygen enrichment device () or a breathing mask (). 1. A gas flow indicator for use with a breathing mask configured to provide an audible indication of gas flow.2. The gas flow indicator according to configured such that the presence of an audible sound signals correct gas flow and the absence of an audible sound signals incorrect gas flow.3. The gas flow indicator according to configured such that the absence of an audible sound signals correct gas flow and the presence of an audible sound signals incorrect gas flow.4. The gas flow indicator according to wherein the breathing mask is configured for respiratory care and/or airway management.5. The gas flow indicator according to claim 1 , provided in the breathing mask disposed close to a patient's air inlet so as to indicate if there is a problem with the gases getting to the patient.6. The gas flow indicator according to configured as a disposable device.7. The gas flow indicator according to configured for retrofitting to an existing breathing mask.8. The gas flow indicator according to integrally formed with the breathing mask.9. The gas flow indicator according to wherein the audible indication is provided by a mechanism for whistling.10. The gas flow indicator according to wherein the mechanism for whistling comprises an occlusion arranged to force gas through a narrow opening to create an audible sound.11. The gas flow indicator according to wherein the mechanism for whistling comprises a blade configured to bisect a flow of gas claim 9 , thereby creating a turbulent vortex which causes the gas to vibrate to make an audible sound.12. The gas flow indicator according to wherein the mechanism for whistling further comprises a chamber in which gas may resonate. ...

Implementing ventilator rules on a ventilator

A method for implementing ventilator rules on a ventilator. The method includes accessing ventilator rules for the ventilator; determining a mode of operation of the ventilator; and in response to the determined mode of operation, implementing at least one of the ventilator rules.

LUNG VENTILATION DEVICE

The present invention refers to a lung ventilation device fitted with a patient monitoring and surveillance graphical interface comprising technical and functional characteristics that can reduce the cognitive load of the medical staff members in environments whose monitored beds require safe and efficient surveillance, principally for the identification and detection of parameters that are monitored at distance. More particularly, the present invention comprises a graphical interface whose configuration allows visualization at distance and interpretation of the main parameters associated with the patient, as well as includes means for facilitating the detection of the occurrence of critical alarms, even by an operator away from the patient. 124-. (canceled)25. A lung ventilation device , comprising:a control panel fitted with a patient monitoring and surveillance graphical interface,a graphical display on the patient monitoring and surveillance graphical interface, the graphical display including a first portion with numerical elements indicating main ventilation parameters,the graphical display including a second portion with an iconic element indicating the occurrence of a respiratory cycle, andthe graphical display including a third portion with a graphic element indicating a minute ventilation of a patient with the lung ventilation device.26. The device of claim 25 , wherein the first claim 25 , second claim 25 , and third portions are all located in a central strip of the graphical display.27. The device of claim 26 , wherein the central strip is about 80% of the total area of the graphical display.28. The device of claim 26 , wherein the number of numerical elements in the first portion is limited to four parameters.29. The device of claim 28 , wherein the parameters are Inspiratory Pressure claim 28 , Expiratory Pressure claim 28 , Expiratory Volume claim 28 , and Respiratory Rate30. The device of claim 29 , wherein the inspiratory pressure and expiratory ...

Oxygen regulation with at least two spo2 monitors and automatic recognition of a signal having a higher rating

A process and a device for oxygen regulation of a patient having at least two SPO 2 monitors and a control for automatic recognition of which measurements are more reliable. The measurement from one or more of the two SPO 2 is used to control the oxygen concentration delivered to a patient based on a comparison of the measurements from the at least two SPO 2 monitors.

FLOW GENERATOR MESSAGE SYSTEM

A flow generator for delivering breathable gas to a patient includes a processor coupled with operation sensors and a user interface. The processor is programmed to generate at least one of time-based or event-based messages relating to at least one of flow generator operation, flow generator service, flow generator use, patient health, peripheral devices and services, patient treatment, and reminders. Time-based messages are generated at predetermined time intervals based on either time of use or elapsed time. The event-based messages are generated based on signals from the operation sensors. The user interface is configured to deliver the messages to at least one of a display, a flow generator service provider, the patient and a physician. By this system, operation of the flow generator is facilitated and enhanced. 125-. (canceled)26. A method for operating a flow generator that generates a supply of pressurized air to be provided at an outlet to a patient for treatment , the flow generator including a processor coupled with operation sensors and a user interface , the method comprising:generating either time-based or event-based messages relating to at least one of flow generator operation, flow generator service, flow generator use, patient health, peripheral devices and services, and patient treatment, the time-based messages being generated at predetermined time intervals based on either time of use or elapsed time, and the event-based messages being generated based on signals from the operation sensors; anddelivering the messages via the user interface to at least one of a display, a flow generator service provider, the patient and a physician.27. (canceled)28. A flow generator configured to provide a supply of pressurized breathable gas to a patient , the flow generator comprising:a processor coupled with operation sensors, a clock and a user interface,wherein the processor is programmed to generate a time-based message, wherein the time-based message is ...

APPARATUS AND METHOD FOR MONITORING AN AIRWAY DEVICE SUCH AS AN ENDOTRACHEAL TUBE

An airway device (), that is used to maintain a clear airway in a patient, e.g. for artificial ventilation during surgery, comprises an inflatable cuff (), which is inflated when in position in a patient's airway (). The inflated cuff () provides a seal to maintain the device () in position in a patient's airway (), and to prevent leakage of infected oropharangeal secretions into the patient's lungs. A method and apparatus () for monitoring: leaks in the pressure system of the device () that includes the cuff (); blockage in the pressure system, and/or malpositioning of the airway device () during use. 1. A method of detecting a leak of fluid from an inflatable airway device , the method comprising:receiving a pressure value for the inflatable airway device;calculating a statistical average of a values calculated using the received pressure value and a predetermined number of previously received pressure values; andif the statistical average exceeds a threshold average, indicating a leak of fluid from the airway device.2. A method as claimed in claim 1 , wherein the values calculated using the received and previously received pressure values are values representing a rate of change in volume or pressure of fluid within the inflatable airway device.3. A method for detecting a leak of fluid from an inflatable airway device claim 1 , the method comprising:periodically receiving a pressure value for the inflatable airway device;comparing the received pressure value with a predetermined, minimum pressure value, andif the received pressure value is less than the predetermined minimum pressure value, indicating a leak of fluid from the airway device.4. A method as claimed in claim 3 , wherein the predefined minimum pressure value is a predetermined proportion of a preselected claim 3 , desired pressure value claim 3 , for example 50% of the preselected pressure value.5. A method for detecting a blockage in a pressure system of an inflatable airway device claim 3 , the ...

Visual indication of alarms on a ventilator graphical user interface

This disclosure describes systems and methods for displaying alarms to a clinician in a ventilatory system. Specifically, embodiments described herein seek to optimize the informative presentation of alarms on a ventilator interface. Embodiments of the present disclosure may provide one or more selection elements, each selection element indicating a ranked alarm event. The ranking of an alarm event may be determined by alarm level. If two alarm events are associated with the same alarm level, the ranking of the alarm events may be determined by parameter priority. Alarm event ranking is communicated by display in a hierarchical structure. When an alarm event ranking changes, the alarm event may shift up or down the hierarchical structure, depending on whether the ranking increased or decreased.

Modularized respiratory treatment apparatus

A modularized respiratory treatment apparatus provides various respiratory pressure treatments. The apparatus may be formed by discrete connectable modules such as a flow generator module, alarm module and/or humidifier module. Each module may include its own external casing or housing to independently retain or enclose the respective components that serve the function of the module. Different modules may be adapted with different components and functionalities and may be readily coupled using standardized gas and electrical connection configurations that have flow and communication paths that extend through the modules. When coupled, operation of the respiratory treatment apparatus may be controlled by detection of different modules, such as the alarm module that generates visual and/or audible alarms based on detected conditions, so as to selectively enable or disable different respiratory treatments. The discrete modules of the medical treatment apparatus may include tamper resistant locking mechanisms to impede unauthorized separation of some modules.

APPARATUS, COMPUTER PROGRAM, METHOD AND SYSTEM FOR PORTABLE BREATHING ASSISTANCE

An apparatus, a computer program, a method and a system for portable breathing assistance. The apparatus, computer program, method, and system are directed to a portable breathing system for providing pulmonary medical care to a patient, for obtaining a plurality of metrics associated with the breathing system and the patient, and for wirelessly communicating the metrics to one or more external computing devices. 1. A portable breathing system for allowing a first-responder user to provide positive airway pressure to a patient undergoing a pulmonary medical emergency , comprising:a housing;a power source for providing electrical power to the portable breathing system, with the power source positioned within the housing;a fluid pump for generating the positive airway pressure provided to the patient, with the fluid pump positioned within the housing;a controller for controlling the fluid pump, with the controller housed within the housing,wherein the fluid pump is operable in both a bi-level positive airway pressure mode and a continuous positive airway pressure mode;one or more sensors for sensing breathing system metrics;a memory element for storing the sensed breathing system metrics, with the memory element positioned within the housing; anda communications interface configured for wirelessly transmitting the breathing system metrics to an external computing device located at a medical facility, with the communications interface positioned within the housing,wherein the communications interface is further configured for wirelessly receiving communications from the external computing device located at the medical facility.2. The portable breathing system of claim 1 , wherein the breathing system metrics are comprised of metrics associated with the portable breathing system and metrics associated with the patient.3. The portable breathing system of claim 2 , with the system further including—an air filter;an oxygen source;a humidity source; anda medication source.4 ...

System and Method for Use of Acoustic Reflectometry Information in Ventilation Devices

The present disclosure relates to a system and method for use of acoustic reflectometry information in ventilation devices. The system and method includes a speaker to emit sound waves into an intubated endotracheal tube (“ETT”) and a microphone to detect returning acoustic reflections. In addition, the system and method includes a reflectometry device in communication with a ventilation device for analyzing timings and amplitudes of the returning acoustic reflections to determine a size of a passageway around an ETT tip, location and size of ETT obstructions, and relative movement of the ETT tip within a trachea. The reflectometry device is also configured to determine a resistance parameter representative of resistance to actual flow of air through the ETT based upon a function of the diameter of the ETT, length of the ETT, and percent obstruction of the ETT, where the resistance parameter is used to calculate the tracheal pressure.

FAULT DIAGNOSIS IN CPAP AND NIPPV DEVICES

A ventilation device for non-invasive positive pressure ventilation (NIPPV) or continuous positive airway pressure (CPAP) treatment of a patient has a gas flow generator, a gas delivery circuit optionally including a humidifier, a controller and sensors monitoring values of operational parameters of the device. The device further includes one or more relationships stored in data storage of the controller relating combinations of parameter values as being indicative of fault conditions of the device operation, the sensors and/or the fault detection process. 119-. (canceled)20. A method of detecting a fault in an apparatus for supplying breathable gas to a patient at a positive pressure , the apparatus including a gas flow generator comprising a servo controlled motor and impeller , a motor speed transducer configured to produce a motor speed transducer signal , a motor drive parameter transducer configured to produce a motor drive parameter transducer signal , a pressure transducer configured to produce a pressure signal indicative of the pressure generated by the apparatus , and a flow transducer configured to produce a gas flow signal , the method comprising:monitoring the motor speed in connection with the motor speed transducer signal produced by the motor speed transducer;monitoring the motor drive in connection with the motor drive parameter transducer signal produced by the motor drive parameter transducer;monitoring the pressure in connection with the pressure signal produced by the pressure transducer;monitoring the gas flow in connection with the gas flow signal produced by the flow transducer; the motor speed to a first threshold to derive a first compared value,', 'the motor drive to a second threshold to derive a second compared value,', 'the pressure to a third threshold to derive a third compared value, and', 'the gas flow to a fourth threshold to derive a fourth compared value; and, 'following a predetermined duration, comparingdetermining a speed ...

Respiration-rate dependent respiratory assistance

Respiratory assistance is provided to a subject in the form of a pressurized flow of breathable gas. The pressure of the gas is eased during expiration and increased during inspiration. Changes in pressure are triggered and/or cycled based on the monitoring of tidal volume. Volume thresholds that cause triggering and/or cycling are adjusted based on an observed or measured breath rate.

System And Method Of Administering A Pharmaceutical Gas To A Patient

A method and system for delivering a pharmaceutical gas to a patient. The method and system provide a known desired quantity of the pharmaceutical gas to the patient independent of the respiratory pattern of the patient. The preferred pharmaceutical gases are CO and NO, both of which are provided as a concentration in a carrier gas. The gas control system determines the delivery of the pharmaceutical gas to the patient to result in the known desired quantity (e.g. in molecules, milligrams or other quantified units) of the pharmaceutical gas being delivered. Upon completion of that known desired quantity of pharmaceutical gas over a plurality of breaths, the system can either terminate any further delivery of the pharmaceutical gas or can activate an alarm to alert the user that the known quantity has been delivered. The system also has alarm functions to alert the user of possible malfunctions of the system. 1. A method of delivering a pharmaceutical gas to a patient's alveoli , comprising:delivering a desired quantity of the pharmaceutical gas to the alveoli at an initial calculated dose rate,during delivery of the pharmaceutical gas, monitoring the patient's breath for variability in the patient's respiratory rate, and, calculating subsequent dose rates to correct for any variability in the respiratory rate, respectively, anddelivering the pharmaceutical gas to the alveoli at the respective subsequent calculated dose rates.2. The method of claim 1 , further comprising at least one of setting or determining one or more of (1) the initial calculated dose rate of the pharmaceutical gas to be delivered to the patient claim 1 , (2) the desired quantity of the pharmaceutical gas to be delivered to the patient claim 1 , (3) an amount of time to deliver the pharmaceutical gas to the patient claim 1 , and (4) a number of breaths to deliver the pharmaceutical gas to the patient.3. The method of claim 1 , further comprising one or more of terminating delivery of the ...

APPARATUS AND SYSTEM FOR A BATTERY PACK ASSEMBLY USED DURING MECHANICAL VENTILATION

This disclosure describes methods and apparatus for indicating battery cell status on a battery pack assembly used during mechanical ventilation. Embodiments described herein seek to provide methods for indicating battery cell status on the exposed exterior of a battery assembly pack both when the battery is in use and when the battery is not in use during mechanical ventilation. Embodiments utilize power from the ventilator as well as power from the battery pack itself to light the indicators during periods of battery use and non-use, respectively. Embodiments described herein further seek to provide an apparatus indicating battery cell status on the exposed exterior of the battery pack assembly during mechanical ventilation. Embodiments described herein further seek to provide an apparatus for a battery pack assembly used during mechanical ventilation. Embodiments described herein seek to provide a system for a ventilation system with an inserted battery pack assembly. 120-. (canceled)21. A method for maintaining charge to a ventilation system using more than one battery pack assemblies , the method comprising:receiving a first cell status for a first battery pack assembly;detecting low voltage information in the first cell status;disconnecting the ventilator system from the first battery pack assembly; andconnecting the ventilation system to a second battery pack assembly.22. The method of claim 21 , wherein a battery pack assembly includes one or more battery pack cells.23. The method of claim 21 , wherein the first cell status includes information about at least one of: state of charge claim 21 , battery current claim 21 , voltage assembly number revision claim 21 , number of discharges claim 21 , number of charges claim 21 , date claim 21 , in-use status claim 21 , and fault.24. The method of claim 21 , wherein the first battery pack assembly includes one or more status indicators indicating the status of the first battery pack assembly.25. The method of claim ...

VENTILATOR BREATH DISPLAY AND GRAPHIC USER INTERFACE

The invention is directed to a ventilation control system for controlling the ventilation of a patient. The ventilation control system utilizes a user-friendly user interface for the display of patient data and ventilator status. The user interface includes a graphic representation of a breath cycle that displays the breath cycle currently being ventilated, and is also responsive to changes in ventilation settings to assist the user in evaluation the effect of those changes on the ventilator strategy before the changes are implemented. 1a graphical representation of a time scale for indicating data regarding a breath cycle, the breath cycle including an inspiration portion having an inspiration duration and an exhalation portion having an exhalation duration;an inspiration graphic displayed relative to the time scale, the inspiration graphic comprising a graphical, non-numeric representation of the inspiration duration;a representation of a calculated measure of the inspiration duration relative to the exhalation duration; anda numeric representation of the inspiration duration distinct from the calculated measure of the inspiration duration relative to the exhalation duration.. A computer-implemented display for a breathing assistance device, comprising: This application is a continuation of U.S. patent application Ser. No. 11/856,632 filed Sep. 17, 2007; which is a continuation of U.S. patent application Ser. No. 11/366,259 filed Mar. 2, 2006, now U.S. Pat. No. 7,270,126; which is a continuation of U.S. patent application Ser. No. 10/733,794 filed Dec. 10, 2003, now U.S. Pat. No. 7,036,504; which is a continuation of U.S. patent application Ser. No. 09/882,200 filed Jun. 15, 2001, now U.S. Pat. No. 6,675,801; which is a continuation of U.S. patent application Ser. No. 09/253,387 filed Feb. 19, 1999, now U.S. Pat. No. 6,269,812; which is a continuation of U.S. patent application Ser. No. 08/818,807 filed Mar. 14, 1997, now U.S. Pat. No. 5,881,723, the contents of ...

MEASURING CONTINUITY OF THERAPY ASSOCIATED WITH A RESPIRATORY TREATMENT DEVICE

Continuity of therapy associated with a respiratory treatment device may be measured. Information relating to therapy administered via the respiratory treatment device to a subject during a therapy session may be received. Based on the received information, a quantity of therapy interruption events that occurred during the therapy session may be determined. A continuity indicator may be determined based on the quantity of therapy interruption events that occurred during the therapy session. The continuity indicator is indicative of continuity of therapy associated with the respiratory treatment device during the therapy session. 1. A method for measuring continuity of therapy associated with a respiratory treatment device , the method comprising:executing one or more computer program modules using one or more processors, the one or more computer program modules configured to cause the one or more processors to:receive information relating to therapy administered via the respiratory treatment device to a subject during a therapy session;determine, based on the received information, a quantity of therapy interruption events that occurred during the therapy session; anddetermine a continuity indicator based on the quantity of therapy interruption events that occurred during the therapy session, the continuity indicator indicative of continuity of therapy associated with the respiratory treatment device during the therapy session.2. The method of claim 1 , wherein two or more successive therapy interruption events that occur within a predetermined period of time are considered a single therapy interruption event.3. The method of claim 1 , further comprising providing the continuity indicator for presentation via an interface device.4. The method of claim 1 , further comprising determining a therapy quality indicator claim 1 , the therapy quality indicator being indicative of an effectiveness of the therapy administered via the respiratory treatment device to the subject ...

METHODS AND APPARATUS FOR MONITORING AND TREATING RESPIRATORY INSUFFICIENCY

An apparatus, such as a pressure support ventilator or respiratory monitor, provides operations for a patient, such a patient with heart failure, Chronic Obstructive Pulmonary Disease or other respiratory insufficiency. In some embodiments, the apparatus may detect a respiratory condition, such as a decompensation event and/or exacerbation event, from respiratory parameters. A clinical alert message may be transmitted or displayed for a physician based on the results of query presented to the patient in response to an analysis of the one or more respiratory parameters. In some embodiments, the apparatus generates a potential relapse indicator that may provide a prediction of a risk of an oncoming clinical event such as for evaluating whether to release the patient from a hospital. 1. An apparatus for evaluating sensor signals representative of respiratory characteristics , the apparatus comprising:at least one sensor adapted to measure at least one respiratory parameter of the patient;a display; anda controller, coupled to the at least one sensor and the display, the controller being configured to (i) evaluate the at least one respiratory parameter, (ii) generate a presentation of at least one query on the display based on the evaluation, the query being configured to prompt for an input to the controller; and (iii) generate an alert message based on a user response to the query that is input to the controller.2. The apparatus of claim 1 , wherein the controller comprises a memory including a data structure of questions claim 1 , each question associated with a detectable condition of the at least one respiratory parameter.3. The apparatus of claim 2 , wherein a question addresses medication compliance.4. The apparatus of claim 2 , wherein a question addresses dietary compliance.5. The apparatus of claim 2 , wherein the controller is further configured to select a first question in response to a detected condition of the respiratory parameter claim 2 , and based on ...

SYSTEM AND METHOD OF REMOTELY MONITORING AND/OR MANAGING THE TREATMENT OF A PLURALITY OF SUBJECTS WITH AEROSOLIZED MEDICAMENT

Therapy regimes of a plurality of subjects are remotely monitored and/or managed, wherein the therapy regimes include reception of aerosolized medicament. This enables users such as medical care providers, researchers, clinic administrators, and/or other users to monitor and/or manage the therapy regimes of the plurality of subjects through a centralized access point. This reduces physical requirements of proximity for the users and/or the subjects, alleviates the administrative burden placed on the users to manage and/or monitor individual therapy regimes, and/or provides other enhancements over convention systems. 1. A system configured to remotely monitor the therapy of at least one subject , wherein the therapy includes the delivery of a plurality of aerosolized medicaments and wherein at least one of the plurality of aerosolized medicaments is delivered following an on/off cycle of a predetermined duration , said on/off cycle including a delivery period during which said at least one aerosolized medicament is delivered to said subject and a non-delivery period during which said at least one aerosolized medicament is not delivered to said subject , the system comprising: an information acquisition module configured to obtain, over a communications network, therapy information for said subject, wherein therapy information for said subject includes information related to a respiratory capacity of said subject and information conveying one or more breathing parameters of the respiration of said subject during the delivery of the aerosolized medicaments;', 'a user interface module configured to generate a definition of a user interface that enables a user to selectively view said therapy information and to enter prescription data relating to said plurality of medicaments; and', 'a treatment calculation module configured to calculate a total number of daily treatments to be delivered to said subject based on said prescription data, wherein said calculation module is ...

Methods and systems for mimicking fluctuations in delivered flow and/or pressure during ventilation

This disclosure describes systems and methods for a ventilator-derived CPAP system that mimics the flow and/or pressure oscillations or fluctuations of the B-CPAP system creating a breath type referred to herein as a mimicked-bubble-CPAP (M-CPAP) mode. Further, the disclosure describes systems and methods for delivery of other breath types with flow and/or pressure oscillations or fluctuations that mimic the oscillation observed during ventilation with the B-CPAP system, referred to herein as adjusted breath types.

RESPIRATORY KNOWLEDGE PORTAL

A monitoring system for multiple medical ventilators is provided. In one aspect, the monitoring system includes a memory that includes instructions, and a processor. The processor is configured to execute the instructions to receive data for a plurality of medical ventilators, and identify a configuration for each of the plurality of medical ventilators from the received data for the plurality of medical ventilators. The processor is also configured to execute the instructions to associate each patient with a respective one of the plurality of medical ventilators, determine an identification and status for each patient associated with one of the plurality of medical ventilators, and provide, for display, information indicative of the configuration of each of the plurality of medical ventilators and indicative of the identification and status of each patient associated with one of the plurality of medical ventilators. Methods and machine-readable media are also provided. 1. A monitoring system for multiple medical ventilators comprising:a memory comprising instructions; and receive data for a plurality of medical ventilators;', 'identify a configuration for each of the plurality of medical ventilators from the received data for the plurality of medical ventilators;', 'associate each patient with a respective one of the plurality of medical ventilators;', 'determine an identification and status for each patient associated with one of the plurality of medical ventilators; and', 'provide, for display, information indicative of the configuration of each of the plurality of medical ventilators and indicative of the identification and status of each patient associated with one of the plurality of medical ventilators., 'a processor configured to execute the instructions to2. The system of claim 1 , wherein the information indicative of the configuration of each of the plurality of medical ventilators comprises at least one of an apnea interval claim 1 , a bias flow claim 1 ...

Childbirth labor coach with paced breathing

A system ( 10 ) configured to prompt a subject ( 12 ) to consciously alter one or more breathing parameters during childbirth. The system includes a pressure generator ( 14 ) that generates a pressurized flow of breathable gas for delivery to an airway of the subject during childbirth and a processor ( 22 ) that controls the pressure generator to adjust one or more gas parameters of the gas in the pressurized flow of breathable gas to provide breathing cues to the subject in accordance with a breathing regime associated with labor contractions, wherein the breathing cues prompt the subject to consciously alter one or more breathing parameters of respiration.

DETECTION OF VENTILATION SUFFICIENCY

Automated methods provide a ventilation sufficiency assessment to evaluate patient respiration. In some embodiments, a ventilation histogram maybe determined from a measure of patient respiratory flow. Based on the histogram or associated ventilation data, hypoventilation or hyperventilation occurrences may be detected. For example, a kurtosis index and/or skewness index may be calculated with the data associated with the ventilation histogram and may be evaluated as an indication of hypoventilation or hyperventilation. An assessment of the number of peaks and other features of the ventilation histogram, such as in the case of a bimodal ventilation histogram, may be implemented to detect an occurrence of ventilation insufficiency or sufficiency. The detection methodologies may be implemented by a specific purpose computer, a detection device that measures a respiratory airflow or a respiratory treatment apparatus that provides a respiratory treatment regime based on the detected ventilation sufficiency. 1. A method for controlling a processor to assess sufficiency of ventilation from a measured flow of breathable gas , the method of the processor comprising:accessing a measure of a flow of breathable gas representative of patient respiration;deriving measures of ventilation from the measure of flow; anddetermining, with a processor, a histogram based on the measures of ventilation.2. The method of further comprising displaying a graph of the histogram on a visual display device.3. The method of or wherein the histogram represents a frequency distribution of ventilation values taken over the course of a treatment session claim 1 , each ventilation value comprising a measure of volume over a time interval claim 1 , the time interval being shorter than the time of the treatment session.4. The method of wherein the time interval is on an order of a minute and the time of the treatment session is on an order of hours.5. The method of any one of the preceding claims ...

METHODS TO TRANSITION ADJACENT TO OR IN CONJUNCTION WITH A SECONDARY AIRWAY PERSSURE THERAPY

A pressure support system () including a pressure generator that generates a pressurized flow of breathable gas to a subject and a processor () configured to execute computer program modules. The modules include a first mode module () controls the pressure generator according to a first mode of therapy wherein breathing cues are provided to the subject () according to a breathing regime. The breathing cues prompt the subject to consciously alter breathing parameters. The modules also include a second mode module () controls the pressure generator according to a second mode of therapy wherein the flow of breathable gas is provided to the subject () at a selected pressure or selectively variable pressures. The modules further include a transition module () that transitions between the first mode of therapy and a second mode of therapy wherein parameters of the pressurized flow of breathable gas is adjusted in response to a trigger event. 1. A pressure support system comprising:a pressure generator configured to generate a pressurized flow of breathable gas for delivery to the airway of a subject;a processor configured to execute computer program modules, the computer program modules comprising:a first mode module configured to control the pressure generator in accordance with a first mode of therapy wherein breathing cues are provided to the subject in accordance with a breathing regime using the pressurized flow of breathable gas, wherein the breathing cues prompt the subject to consciously alter one or more breathing parameters of respiration;a second mode module configured to control the pressure generator in accordance with a second mode of therapy wherein the flow of breathable gas is provided to the airway of the subject at a selected pressure or selectively variable pressures; anda transition module configured to, responsive to a trigger event, control the pressure generator to gradually adjust one or more parameters of the gas in the pressurized flow of ...

Ventilation system with a two-point perspective view

The disclosure describes a novel approach for displaying information on a ventilator system. The disclosure describes a novel respiratory system including a primary display and system status display. Further, the disclosure describes a novel method for displaying ventilator information.

LEAK DETERMINATION IN A BREATHING ASSISTANCE SYSTEM

Systems and methods for estimating a leak flow in a breathing assistance system including a ventilation device connected to a patient are provided. Data of a flow waveform indicating the flow of gas between the ventilation device and the patient is accessed. A specific portion of the flow waveform is identified, and a linear regression of the identified portion of the flow waveform is performed to determine an estimated leak flow in the breathing assistance system. 1. A method for estimating a leak flow in a breathing assistance system including a ventilation device connected to a patient , the method comprising:accessing data of a flow waveform indicating the flow of gas between the ventilation device and the patient;identifying a specific portion of the flow waveform; andperforming a linear regression of the identified portion of the flow waveform to determine an estimated leak flow in the breathing assistance system.2. A method according to claim 1 , wherein identifying the specific portion of the flow waveform comprises identifying an end portion of an exhalation phase of the flow waveform.3. A method according to claim 1 , wherein identifying the specific portion of the flow waveform comprises identifying a steady phase portion proximate the end of an exhalation phase.4. A method according to claim 3 , wherein identifying the steady phase portion comprises determining a portion of the flow waveform having a flow variation within a predetermined variation threshold.5. A method according to claim 3 , wherein identifying the steady phase portion comprises:determining a first representative flow rate for a first portion of the flow waveform;determining a second representative flow rate for a second portion of the flow waveform;comparing the first representative flow rate with the second average flow rate; anddetermining the steady phase portion based at least on the results of the comparison.6. A method according to claim 3 , wherein identifying the steady phase ...

VENTILATOR-INITIATED PROMPT REGARDING DETECTION OF FLUCTUATIONS IN RESISTANCE

This disclosure describes systems and methods for monitoring ventilatory parameters, analyzing ventilatory data associated with those parameters, and providing useful notifications and/or recommendations to clinicians. For example, many clinicians may not easily identify or recognize data patterns and correlations indicative of a fluctuation in resistance during mechanical ventilation of a patient. Furthermore, clinicians may not easily determine potential causes for the fluctuation in resistance and/or steps for mitigating the fluctuation in resistance. According to embodiments, a ventilator may be configured to monitor and evaluate diverse ventilatory parameters to detect fluctuations in resistance and may issue suitable notifications and recommendations to the clinician based on potential causes of the fluctuation, ventilatory and/or patient data, etc. The suitable notifications and recommendations may further be provided in a hierarchical format such that the clinician may selectively access information regarding the fluctuation in resistance. 1. A ventilator-implemented method for issuing a prompt in response to detecting a fluctuation in resistance during ventilation of a patient , the method comprising:retrieving ventilatory data;identifying a maximum threshold and a minimum threshold for resistance;trending resistance during ventilation of the patient;detecting a fluctuation in resistance when the trended resistance breaches one of the maximum threshold and the minimum threshold; anddisplaying a notification regarding detection of the fluctuation in resistance.2. The method of claim 1 , further comprising retrieving patient data claim 1 , wherein the patient data comprises at least one of: a patient diagnosis claim 1 , a patient predicted body weight (PBW) claim 1 , and a patent gender.3. The method of claim 1 , further comprising:determining one or more potential causes for the fluctuation in resistance based at least in part on the retrieved ventilatory ...

VENTILATORY ASSISTANCE FOR TREATMENT OF CARDIAC FAILURE AND CHEYNE-STOKES BREATHING

Method and apparatus for the treatment of cardiac failure, Cheyne Stokes breathing or central sleep apnea are disclosed. A subject is provided with ventilatory support. Respiratory airflow is determined. From the respiratory airflow are derived a measure of instantaneous ventilation and a measure of longterm average ventilation. A target ventilation is taken as 95% of the longterm average ventilation. The instantaneous ventilation is fed as the input signal to a clipped integral controller, with the target ventilation as the reference signal. The output of the controller determines the degree of ventilatory support. A third measure of ventilation, for example instantaneous ventilation low pass filtered with a time constant of 5 seconds, is calculated. Ventilatory support is in phase with the subject's respiratory airflow to the fuzzy extent that this ventilation is above target, and at a preset rate conversely. 129-. (canceled)30. An apparatus for the treatment of cardiac failure , Cheyne-Stokes breathing or central sleep apnea , the apparatus comprising:a controllable source of breathable gas at positive pressure;means for delivering said breathable gas at positive pressure to a subject's airway;means for deriving a measure of respiratory airflow of the subject; anda servo-controller configured to accept an input variable and a reference quantity, and produce an output to bring the value of the input variable towards the value of the reference quantity;wherein(i) said input variable is a measure of instantaneous ventilation, and(ii) said reference quantity is a percentage of a long-term measure of ventilation continuously derived as half the absolute value of the respiratory airflow, the long-term measure of ventilation being low-pass filtered with a time constant that is long compared with the lung-chemoreceptor delay in patients with Cheyne-Stokes breathing or central sleep apnea.31. The apparatus of claim 30 , wherein said time constant is longer than the waxing ...

METHOD AND APPARATUS FOR ASSESSING SLEEP QUALITY

Systems and/or methods for assessing the sleep quality of a patient in a sleep session are provided. Data is collected from the patient and/or physician including, for example, sleep session data in the form of one or more physiological parameters of the patient indicative of the patient's sleep quality during the sleep session, a subjective evaluation of sleep quality, etc.; patient profile data; etc. A sleep quality index algorithm, which optionally may be an adaptive algorithm, is applied, taking into account some or all of the collected data. Sleep quality data may be presented to at least the patient, and it may be displayed in any suitable format (e.g., a format useful for the patient to be appraised on the progress of the treatment, a format useful for a sleep clinician to monitor progress and/or assess the effectiveness of differing treatment regimens, etc). 133-. (canceled)34. A method of assessing sleep quality of a patient whilst undergoing therapy for a sleep disorder , the method comprising:obtaining sleep session data comprising at least one physiological parameter of the patient indicative of the patient's sleep quality during a sleep session in which the patient undergoes said therapy; andcommunicating feedback to the patient regarding the sleep quality of the patient during the sleep session at least by providing information to the patient regarding improvements for future therapy sessions,wherein said information is based on said sleep session quality for the sleep session.35. The method according to claim 34 , wherein said information includes directions for adjustment of a therapy apparatus for future therapy sessions.36. The method according to claim 35 , wherein the directions for adjustment of the therapy apparatus include adjusting one or more parameters of a flow generator.37. The method according to claim 34 , wherein said information includes directions for modification to therapy settings for future therapy sessions.38. The method ...

POSITIVE AIRWAY PRESSURE SYSTEM WITH HEAD POSITION CONTROL

The invention is directed to a positive airway pressure (PAP) system with a head mounted harness assembly with a housing and a head position sensor located within or secured to the housing that detects the position of a patient's head, and communicates this head position information to a controller of the system which may be disposed within the housing having the position sensor or a second housing. The controller varies the output pressure of the pressure source, e.g. a rotary compressor, based, at least in part, on the head position information provided by the head position sensor. In a preferred embodiment, the position sensor is an accelerometer. 120-. (canceled)21. A positive airway pressure system , comprising:a head position sensor which is configured to be mounted to a user's head;a controller;a pressure source configured to provide pressurized air; anda mask for delivery of the pressurized air to user;wherein the controller receives a current vector from the position sensor and determines a pressure output based on a scalar value calculated from the current vector and a calibration vector based on a calibration head position.22. The positive airway pressure system of further comprising a first housing.23. The positive airway pressure system of wherein the position sensor is secured within or to the first housing.24. The positive airway pressure system of further comprising at least one strap configured to secure the first housing to the user.25. The positive airway pressure system of further comprising a second housing.26. The device of wherein the scalar value is calculated from a dot product between the current vector and the calibration vector.27. The positive airway pressure system of in which the position sensor is an accelerometer.28. The positive airway pressure system of wherein at least a portion of the pressure output is set by a health professional.29. The positive airway pressure system of wherein the pressure output comprises a pressure ...

Trachea pressure determination method and device

According to various embodiments, methods and systems for determining pressure in the lungs may employ intracuff pressure measurements. The intracuff pressure measurements may calibrated or adjusted based on a set of calibration coefficients or a set of calibration curves, which may reflect patient parameters and cuff/tube geometry factors. The resulting calibration may be used to determine a more accurate estimate of lung pressure, which in turn may be used to control a ventilator and provide breathing assistance to a patient. Also provided are tracheal tubes with couplers or other memory devices for storing calibration information. Such tubes may allow calibration at the level of an individual tracheal tube to account for changes in tube geometry and individual patient factors.

RESPIRATORY INTERFACE

Embodiments disclosed herein relate to respiratory interfaces for use in treating various respiratory issues including, but not limited to, sleep disorder breathing (e.g. snoring, sleep apnea), and in other forms of assisted and unassisted respiration. Embodiments disclosed herein further relate to nasal prongs, flanges and valves for use with respiratory interfaces. Embodiments disclosed herein further relate to evaluating patient compliance with a respiratory interface and harvesting energy for the respiratory. 1. A respiratory interface for the treatment of breathing problems configured to be in flow communication with at least one of a user's nostrils , the respiratory interface comprising:at least one body;at least one nasal aperture defined within the at least one body; andat least one element for evaluating compliance of use of the respiratory interface.2. The respiratory interface of claim 1 , wherein the at least one element is adapted to change color the longer the respiratory interface is used.3. The respiratory interface of claim 1 , wherein the at least one element is adapted to change color as a result of one of wear claim 1 , use claim 1 , cleaning claim 1 , and handling.4. The respiratory interface of claim 1 , wherein the at least one element is adapted to change color as a result of contact with the user.5. The respiratory interface of claim 1 , wherein the at least one element is adapted to change color as a result of one of contact pressure and gas pressure.6. The respiratory interface of claim 1 , wherein the at least one element is adapted to change color as a result of a chemical reaction.7. The respiratory interface of claim 1 , wherein the at least one element is a sensor.8. The respiratory interface of claim 7 , wherein the sensor is adapted to record one of strain claim 7 , flow claim 7 , and pressure.9. The respiratory interface of claim 7 , wherein the sensor is removable.10. The respiratory interface of claim 7 , wherein the sensor is ...

MANAGING AN ACTIVE STRAP SYSTEM FOR A FACE MASK

A method for managing a set of active straps for a positive airway pressure (PAP) mask including detecting a pressure value with a pressure sensor, analyzing the pressure value with a processor for identifying an adjustment of the set of active straps, and performing the identified adjustment with the set of active straps. 1. A method for managing a set of active straps for a positive airway pressure (PAP) mask comprising:detecting a pressure value with a pressure sensor;analyzing the pressure value with a processor for identifying an adjustment of the set of active straps; andperforming the identified adjustment with the set of active straps.2. The method of wherein the pressure value is an air pressure value of an air volume contained by the PAP mask.3. The method of wherein the identified adjustment is a tightening of at least one of the set of active straps.4. The method of wherein the pressure value is a force pressure value measured between the PAP mask and a face.5. The method of wherein the identified adjustment is a tightening of at least one of the set of active straps.6. The method of wherein the identified adjustment is a loosening of at least one of the set of active straps.7. The method of wherein the pressure value and the identified adjustment are sent to a data processing system for tracking and analysis.8. The method of further comprising a second pressure value with a second pressure sensor measuring a force pressure value between the PAP mask and a face;wherein the pressure value is an air pressure value of an air volume contained by the PAP mask;wherein analyzing includes analyzing the pressure value and the second pressure value with the processor for identifying the adjustment of the set of active straps;wherein the adjustment is a tightening of at least one strap and the loosening of at least one strap; andwherein the pressure value and the identified adjustment are sent to a data processing system for tracking and analysis.920-. (canceled) ...

VENTILATOR EXHALATION FLOW VALVE

Described herein is an exhalation valve for a ventilator that controls gas flow through a patient exhalation line in response to a target pressure within the line. The valve controls gas flow by (i) providing both a high frequency signal and a low frequency signal through a coil positioned in a fixed magnetic field, (ii) determining a position of the coil by detecting the high frequency signal, and (iii) controlling a position of the coil by adjusting the low frequency signal. 1. A valve comprising:a valve orifice with an adjustable opening;a fixed magnetic field;a force coil configured to be moved within the fixed magnetic field in response to a low frequency current;a current amplifier configured to direct a. summed low frequency current and a high frequency current into the force coil;a feedback coil configured to detect the high frequency current in the force coil, the detected high frequency current having a magnitude that is proportional to a force coil position within the fixed magnetic field;a processor configured (i) to receive data relating to the position of the force coil and (ii) to send instructions to the current amplifier; anda diaphragm configured to adjust the valve orifice opening based on the position of the force coil.2. The valve of claim 1 , wherein the processor is further configured to receive data relating to the velocity of the force coil claim 1 , and the valve further comprises:a position circuit configured to receive a signal from the feedback coil and to direct data to the processor relating to the force coil position; anda velocity circuit configured to determine a velocity of the force coil and to direct data to the processor relating to the velocity of the force coil.3. The valve of claim 1 , wherein the feedback coil is mounted outside of the fixed magnetic field.4. The valve of claim 1 , wherein he fixed magnetic field is generated by at least one permanent magnet.5. The valve of claim 1 , wherein the instructions to the current ...

Ventilator flow valve

Described herein is a flow control valve for a ventilator that controls gas flow through a patient line in response to a target pressure within the line. The valve controls gas flow by (i) providing both a high frequency signal and a low frequency signal through a coil positioned in a fixed magnetic field, (ii) determining a position of the coil by detecting the high frequency signal, and (iii) controlling a position of the coil by adjusting the low frequency signal based on the determined position and/or velocity of the coil.

METHODS AND APPARATUS FOR THE SYSTEMIC CONTROL OF VENTILATORY SUPPORT IN THE PRESENCE OF RESPIRATORY INSUFFICIENCY

A method and apparatus for providing ventilatory assistance to a spontaneously breathing patient an error signal () is computed that is the difference between a function of respiratory airflow () over a period of time and a target value (). Using a servo loop, air is delivered to the patient at a pressure that is a function of the error signal, the phase of the current breathing cycle, and a loop gain that varies depending on the magnitude of the error signal. The loop gain increases with the magnitude of the error signal, and the gain is greater for error signals below a ventilation target than for error signals above the ventilation target value. The target value () is an alveolar ventilation that takes into account the patient's physiologic dead space. 1. A method for providing ventilatory assistance to a spontaneously breathing patient comprising continuously repeating the steps of:determining respiratory airflow,computing a measure of the difference between a function of respiratory airflow over a period of time and a target value,determining the phase of the current breathing cycle, anddelivering air to the patient at a pressure that is a function of the product of (a) said difference measure, (b) the amplitude at the determined phase of the current breathing cycle of an amplitude-versus-phase template that is appropriate for a normal breathing cycle, and (c) a gain factor that varies depending on the magnitude of said difference measure.2. A method for providing ventilator assistance in accordance with wherein said gain factor increases with the magnitude of said difference measure.3. A method for providing ventilator assistance in accordance with wherein for equal difference measures below and above said target value claim 2 , the gain factor is greater for difference measures below said target value.4. A method for providing ventilator assistance in accordance with wherein said target value is an alveolar ventilation that takes into account the patient's ...

RESPIRATORY PRESSURE THERAPY DEVICE

Apparatus for generating a supply of air at positive pressure for the amelioration or treatment of a respiratory disorder includes a first chamber, a second chamber, at least one inlet tube structured and configured to allow ambient air to enter the first chamber, at least one flow tube structured and configured to allow air to pass from the first chamber to the second chamber, and a blower structured and configured to produce a flow of air at positive pressure. The blower is positioned in the first chamber and structured and configured to receive air from the second chamber. The blower includes a housing structured and configured to sealingly separate air flow through an interior of the housing from the first chamber. The at least one inlet tube is axially spaced from the at least one flow tube. 111.-. (canceled)12. Apparatus for generating a supply of air at positive pressure for the amelioration or treatment of a respiratory disorder , comprising:a first chamber;a second chamber;a plurality of inlet tubes structured and configured to allow ambient air to enter the first chamber;a plurality of flow tubes structured and configured to allow air to pass from the first chamber to the second chamber;a blower structured and configured to produce a flow of air at positive pressure,wherein the blower is positioned in the first chamber and structured and configured to receive air from the second chamber;an inlet end suspension to support the blower adjacent a blower inlet of the blower; andan outlet end suspension to support the blower adjacent a blower outlet of the blower,wherein the first chamber, the second chamber, the inlet tubes, the flow tubes, and the blower are arranged to form an air flow path extending from an inlet to the blower inlet of the blower and from the blower outlet of the blower to an outlet, wherein the air flow path includes a general U-shape from the inlet to the outlet.13. The apparatus according to claim 12 , wherein each of the inlet and outlet ...

VENTILATORY ASSIST DEVICE

A respiratory support device () includes a ventilator () which allows spontaneous breathing, a control device (), a dosing device () for pharmaceutically active substances, and at least one first measuring device (). Pharmacodynamic and/or pharmacokinetic data of pharmaceutically active substances and/or compositions as well as comparison data for different respiration parameters are stored in the control device (). The measuring device () is configured to detect one or more respiration parameters. The measuring device () or another measuring device is additionally configured such that the effective active ingredient quantity of one or more pharmaceutical substances dispensed by the dosing device can be detected using the measuring device. A device for exchanging data in a bidirectional manner is arranged at least between the control device and the measuring device and/or the dosing device. 1. A ventilatory comprising:a ventilator which allows spontaneous breathing;a control device;a dosing device for pharmaceutically active ingredients; andat least one measuring device, wherein:pharmacodynamic and/or pharmacokinetic data of pharmaceutically active ingredients and/or compositions are stored in or accessed by the control devicecomparison data for various respiration parameters are stored in or accessed by the control device;the measuring device is designed such that one or more respiration parameters can be detected by means of the measuring device;the at least one measuring device or an additional measuring device is designed such that an effective active ingredient quantity of one or more pharmaceutical substances dispensed by the dosing device can be detected with the least one measuring device or the additional measuring device, anda bidirectional data exchange connection at least one of between the control device and the measuring device and the control device and the dosing device.2. A device in accordance with claim 1 , wherein the dosing device is controlled ...

BREATHING APPARATUS WITH VENTILATION STRATEGY TOOL

A system includes a breathing apparatus, a display unit and a processing unit that is operatively connected to the display unit. The processing unit is configured to provide a graphical visualization on the display unit. The graphical visualization in turn includes a combination of a target indication for at least one ventilation related parameter of a ventilation strategy for a patient ventilated by the apparatus, and a reciprocating animation of the at least one ventilation related parameter relative the target indication. The target indication is for instance based on input of a user, such as an operator of the breathing apparatus. Alternatively, or in addition, it may be a default value stored on a memory unit being operatively connected to the processing unit. Alternatively, or in addition, the target indication is based on a measurement value of said patient's physiology or anatomy. In this manner, the system informs clinicians in a clear and easily understandable way how a current patient ventilation is related to a chosen ventilation strategy. 1. A system including a breathing apparatus , a display unit and a processing unit being operatively connected to said display unit , said processing unit being configured to provide on said display unit a graphical visualization including a combination of:a target indication for at least one ventilation related parameter of a ventilation strategy for a patient ventilated by said apparatus, said target indication preferably being based on user input, such as of an operator of said breathing apparatus, a measurement value of said patient's physiology or anatomy, or a default value stored on a memory unit being operatively connected to said processing unit, anda reciprocating animation of said at least one ventilation related parameter relative said target indication.2. The system of claim 1 , wherein said target indication being displayed at a first position on said screen claim 1 , wherein said first position is fixed ...

Cannula Device for High Flow Therapy

A nasal cannula is described herein for respiratory therapy which includes a first gas supply tub with a distal end terminating in a first connector, and a nasal cannula body which includes a first end rotatably coupled to the first connector, a second end opposite the first end, a longitudinal axis extending from the first end to the second end, and a first nasal prong in fluid communication with the first gas supply tube. The first nasal prong is rotatable relative to the first gas supply tube about the longitudinal axis of the nasal cannula body. 152-. (canceled)53. A nasal cannula for respiratory therapy , the cannula comprising:a first gas supply tube having a distal end that terminates in a first connector; a first end rotatably coupled to the first connector,', 'a second end, opposite the first end,', 'a longitudinal axis extending from the first end to the second end, and', 'a first nasal prong in fluid communication with the first gas supply tube, wherein the first nasal prong is rotatable relative to the first gas supply tube, the rotation being about the longitudinal axis of the nasal cannula body., 'a nasal cannula body comprising54. The nasal cannula of claim 53 , wherein the rotatable coupling between the first end of the nasal cannula body and the first connector is a bearing.55. The nasal cannula of claim 54 , wherein the rotatable coupling between the first end of the nasal cannula body and the first connector is a journal bearing.56. The nasal cannula of claim 55 , wherein the journal bearing has sufficient static frictional torque to maintain a rotational position of the first nasal prong relative to the first gas supply tube.57. The nasal cannula of claim 56 , wherein the journal bearing has frictional torque of about 0.01 Nm to 1 Nm.58. The nasal cannula of claim 57 , wherein the journal bearing has an internal surface contoured such that the journal bearing has intermittent rotational stops.59. The nasal cannula of claim 53 , further comprising ...

TRACHEOSTOMY TUBE MONITOR AND ALERTING APPARATUS

A tracheostomy tube monitor and alerting apparatus includes: (i) a passive humidification device; and (ii) an integrated monitoring assembly fitted in an opening of a rear sidewall of the passive humidification device. The passive humidification device is configured to be connected to a connector of a tracheostomy tube of a patient. Once connected, the monitoring assembly of the apparatus can begin measuring one or more physiological parameters, such as, air flow, oxygen level, carbon dioxide level, pressure, and moisture. The measurements are compared against threshold values that denote blockage or decannulation. When these threshold values are surpassed, an alarm is actuated to alert a caregiver that the patient may be experiencing obstruction or decannulation of the tracheostomy tube. 1. A tracheostomy tube monitor and alerting apparatus , comprising:(i) a passive humidification device, the passive humidification device is configured to be connected to a connector of a tracheostomy tube; and(ii) an integrated monitoring assembly, the monitoring assembly configured to be fitted within an opening of a rear sidewall of the passive humidification device.2. The apparatus according to claim 1 , wherein the passive humidification device comprises a central housing and a tubular element.3. The apparatus according to claim 2 , wherein the central housing defines an enclosure having:a substantially C-shaped primary sidewall;a substantially D-shaped left sidewall and a substantially D-shaped right sidewall, the left and right sidewalls flanking a left side and a right side of the primary sidewall; andthe rear sidewall.4. The apparatus according to claim 3 , wherein the tubular element is configured to protrude from an external surface of the primary sidewall.5. The apparatus according to claim 4 , wherein a first end of the tubular element includes a port claim 4 , and wherein the port is configured to be connected to the connector of the tracheostomy tube.6. The apparatus ...

SYSTEM AND METHOD FOR INCREASING ADHERENCE TO A PRESSURE SUPPORT THERAPY

A method for increasing adherence of a patient to a therapy provided by a pressure support device includes: collecting data regarding a number of attributes of the patient along with time information thereof; determining the occurrence of a sleep-related event from the data; determining a condition of the pressure support device; and providing an indication to the patient responsive to determining the occurrence and determining the condition. 1. A method for increasing adherence of a patient to a therapy provided by a pressure support device , the method comprising:collecting data regarding a number of attributes of the patient along with time information thereof;determining the occurrence of a sleep-related event from the data;determining a condition of the pressure support device; andproviding an indication to the patient responsive to determining the occurrence and determining the condition.2. The method of claim 1 , wherein collecting data regarding a number of attributes of the patient comprises collecting data regarding one or more of: actigraphy claim 1 , heart rate claim 1 , and/or oxygen saturation of the patient.3. The method of claim 1 , wherein determining the occurrence of a sleep event comprises determining one or more of: a pre-determined bed time for the patient will be occurring within a predetermined period of time; the patient is trailing toward sleep; the patient is sleeping; and/or the patient is experiencing a sleep disruption.4. The method of claim 1 , wherein determining a condition of the pressure support device comprises determining that the pressure support device is one of turned on and in use or not turned on.5. The method of claim 1 , wherein determining a condition of the pressure support device comprises determining that the pressure support device is one of: not within a predetermined proximity of the patient; within a predetermined proximity of the patient claim 1 , turned on and in use; or within a predetermined proximity of the ...

SENSING FOR RESPIRATORY CIRCUITS

Some embodiments provide a breathing assistance apparatus comprising a conduit for conveying gases therein, the conduit comprising circuitry. The circuitry may comprise at least one heater wire part to heat gases in the conduit, in use, and at least one sensor wire part comprising at least one sensor for monitoring a parameter of the gases in the conduit. There is also provided a controller to control provision of AC power or AC voltage to the heater wire part; and control selective reading of the sensor. The controller may be configured to read the sensor at or about a particular portion of the AC power waveform provided to the heater wire part. 1. A controller for a breathing assistance apparatus , the breathing assistance apparatus comprising a conduit for conveying gases therein , the conduit comprising circuitry , the circuitry comprising at least one heater wire part to heat gases in the conduit , in use , and at least one sensor wire part comprising at least one sensor for monitoring a parameter of the gases in the conduit , in use , the controller being configured to:control provision of AC power or AC voltage to the heater wire part; andcontrol selective reading of the sensor,wherein the controller is configured to read the sensor at or about a particular portion of the AC power waveform provided to the heater wire part.2. The controller of claim 1 , wherein said particular portion of the AC power or voltage waveform commences at or about or after a first zero crossing of the AC power or voltage waveform claim 1 , preferably a falling zero crossing claim 1 , and at or before a second zero crossing of the AC power or voltage waveform claim 1 , the first and second zero crossings being consecutive zero crossings of the same type.3. The controller of claim 2 , configured to control repeating said selective reading of the sensor claim 2 , between a third and a fourth zero crossing claim 2 , the second claim 2 , third and fourth zero crossings being consecutive ...

Pressure support system and method of providing pressure support therapy to a patient

A pressure support system for providing pressure support therapy to a patient, the pressure support device includes an airflow generator structured to generate a flow of breathing gas to the patient, a temperature conditioning unit structured to adjust a temperature of the breathing gas provided to the patient, and a processing unit structured to estimate a core body temperature of the patient for selected times of day based on one or more inputs and to control the temperature conditioning unit to adjust temperature of the breathing provided to the patient at the selected times of day based on the estimated core body temperatures of the patient.

WIRE HEATED TUBE WITH TEMPERATURE CONTROL SYSTEM, TUBE TYPE DETECTION, AND ACTIVE OVER TEMPERATURE PROTECTION FOR HUMIDIFIER FOR RESPIRATORY APPARATUS

A PAP system for delivering breathable gas to a patient includes a flow generator to generate a supply of breathable gas to be delivered to the patient; a humidifier including a heating plate to vaporize water and deliver water vapor to humidify the supply of breathable gas; a heated tube configured to heat and deliver the humidified supply of breathable gas to the patient; a power supply configured to supply power to the heating plate and the heated tube; and a controller configured to control the power supply to prevent overheating of the heating plate and the heated tube. 1. A control system for a heated conduit for use in a respiratory apparatus , the control system comprising:a power supply to provide power to the heated conduit;an over-temperature control circuit to prevent the overheating of the heated conduit;a heating control circuit configured to control heating to obtain a predetermined temperature;a sensing circuit including a sensing resistor configured to indicate the temperature of a sensor positioned in the heated conduit; anda bias generator circuit configured to provide a first source voltage to the sensing circuit so that the temperature of the heated conduit is continuously monitored.2. A control system according to claim 1 , wherein the over-temperature control circuit comprises a first transistor switch that is turned on when the temperature is below the predetermined temperature and is turned off when the temperature is at or above the predetermined temperature.3. A control system according to claim 2 , wherein the predetermined temperature is between the range of about 30° C. and about 45° C.4. A control system according to claim 2 , wherein the over-temperature control circuit further comprises a first comparator that controls the switching of the first transistor switch by comparing a reference voltage representing the predetermined temperature to a voltage determined from a first amplifier of the sensing circuit.5. A control system ...

Systems and methods for concurrent airway stabilization and pulmonary stretch receptor activation

A method for the concurrent treatment of obstructive sleep apnea and hypertension in a patient, the method comprises: a) providing a flow of treatment to an airway of the patient in accordance with an initial set of flow parameters; b) determining that the patient has achieved stable breathing while receiving the provided flow of treatment gas in accordance with the initial set of parameters; c) increasing the flow parameters; d) providing the flow of treatment gas to the airway of the patient in accordance with the increased flow parameters until it is determined that a predetermined period of time has elapsed; e) further increasing the flow parameters; and f) providing the flow of treatment gas to the airway of the patient in accordance with the further increased flow parameters for a predetermined time.

AN ELBOW ASSEMBLY OF A PATIENT INTERFACE, AN ANTI-ASPHYXIA VALVE FOR AN ELBOW ASSEMBLY AND A CONNECTOR

An interface for positive pressure therapy includes a mask assembly, a headgear assembly and a connection port assembly. The mask assembly comprises a seal member that has an upper portion movably connected to an integrated lower portion, wherein the upper portion rolls during hinging movement of the upper portion relative to the lower portion. The headgear assembly allows connection to the mask assembly in a direction substantially normal to a direction of strap tension. The connection port assembly includes a swivel elbow with a valve member that controls flow through a port that opens toward the user. The valve member is provided with a tapered bead that helps prevent the valve member from sticking in a given position. Also, a connector for connecting a respiratory tube to an elbow connector. 112.-. (canceled)13. A headgear for use with a respiratory mask , comprising a component formed from two layers of 3D fabric folded from a sheet or tube of 3D fabric to have a folded edge , the folded edge forming an edge of the headgear.14. A headgear as claimed in claim 13 , wherein the component is a back panel claim 13 , the headgear comprising a lower strap and an upper strap extending from the back panel to connect to the mask claim 13 , the folded edge forming an edge of the back panel.15. A headgear as claimed in claim 14 , wherein the folded edge forms a bottom edge of the back panel.16. A headgear as claimed in claim 15 , wherein the bottom edge of the back panel extends across the back of a user's neck in use.17. A headgear as claimed in claim 13 , wherein the two layers of 3D fabric are joined together by bonding claim 13 , stitching or welding at other edges of the component.18. A headgear as claimed in claim 13 , wherein the two layers of 3D fabric are stitched together at an edge to have a seamed edge claim 13 , the seamed edge forming an edge of the headgear.19. A headgear as claimed in claim 18 , wherein the seamed edge is at an edge of the component ...

SYSTEM AND METHOD FOR DETERMINING AND PROVIDING PERSONALIZED PAP THERAPY RECOMMENDATIONS FOR A PATIENT

A method of providing personalized PAP therapy recommendations to a patient includes: receiving in a controller patient information obtained from one or more electronic devices associated with the patient; analyzing the patient information with the controller; determining in the controller from the analyzing of the patient information personalized PAP therapy recommendations for the patient; and providing the personalized PAP therapy recommendations to the patient. 1. A method of providing personalized PAP therapy recommendations to a patient , the method comprising:receiving in a controller patient information obtained from one or more electronic devices associated with the patient;analyzing the patient information with the controller;determining in the controller from the analyzing of the patient information personalized PAP therapy recommendations for the patient; andproviding the personalized PAP therapy recommendations to the patient.2. The method of claim 1 , wherein the controller is structured and configured to implement a predictive AI system claim 1 , and wherein the analyzing and determining is performed by the predictive AI system.3. The method of claim 2 , wherein the predictive AI system is an artificial neural network trained using one or more of: previous patient information about the patient and/or patient information about a number of other patients.4. The method of claim 1 , wherein the one or more electronic devices associated with the patient comprise a wearable smart device.54. The method of claim 1 , wherein the wearable smart device comprises a smartwatch.6. The method of claim 1 , wherein the one or more electronic devices associated with the patient comprises a smartphone.7. The method of claim 1 , wherein the patient information comprises subjective information provided by the patient.8. The method of claim 7 , wherein the subjective information comprises information regarding alcohol intake by the patient.9. The method of claim 7 , ...

CPAP DEVICE

The CPAP device includes a main unit and a second unit to be attached to or detached from the main unit. The main unit includes a first housing having a first lead-out part, an air blower for leading out air from the first lead-out part, and a first electrical connection part provided on the first housing. The second unit includes a second housing having a second lead-in part and a second lead-out part, a humidifier which humidifies air led therein from the second lead-in part, and a second electrical connection part to be connected to the first electrical connection part. The first lead-out part and the second lead-in part are configured to guide, with a connection between them, the first electrical connection part and the second electrical connection part to a position where they are connectable to each other. 1. A CPAP device for feeding air led inside the device to an airway of a user , the CPAP device comprising:a first unit; anda second unit attachable to or detachable from the first unit, whereinthe first unit includes a first housing having a first lead-in part and a first lead-out part, an air blower for leading out air led in from the first lead-in part from the first lead-out part, a first electrical connection part provided on the first housing, and a first guide part,the second unit includes a second housing having a second lead-in part and a second lead-out part, a humidifier which humidifies air led therein from the second lead-in part, a second electrical connection part electrically connectable to the first electrical connection part, and a second guide part, andthe first guide part and the second guide part are configured to guide, with a connection between the first lead-out part and the second lead-in part, the first electrical connection part and the second electrical connection part to a position where the first electrical connection part and the second electrical connection part are electrically connectable to each other.2. The CPAP device ...

VENTILATOR SYSTEM

Described herein is a modular ventilator. The ventilator has modular flow control devices, which are connected to fluid inlet adapters. The modular flow control devices have sensors for controlling fluid flow through the modular flow control devices. The fluid inlet adapters are removable, and can include magnetic indicators, and the ventilator can identify the fluid from the magnetic indicator. The ventilator can also contain or be connected to a device having a low-noise blower. 1. A ventilator comprising: a housing defining an impeller cavity;', 'an impeller plate disposed within the impeller cavity and comprising an outside edge; and', 'one or more vanes disposed on the impeller plate and comprising a leading surface and a trailing surface connecting at a tip; and, 'a blower comprising a fixed magnetic field;', 'a drive coil configured to move within the fixed magnetic field in response to a low frequency signal and configured to receive a high frequency signal;', 'a detection coil adjacent the drive coil and configured to detect the high frequency signal in the drive coil, the detected high frequency signal corresponding to a position of the drive coil; and', 'a processor coupled to the high frequency source and the low frequency source and configured (i) to receive the detected high frequency signal form the detection coil and (ii) to adjust the low frequency signal to move the drive coil,, 'a flow control device comprisingwherein the blower is in fluid communication with the flow control device.2. The ventilator of claim 1 , wherein the blower is before the flow control device in a fluid path of the ventilator.3. The ventilator of claim 1 , wherein the blower is after the flow control device in a fluid path of the ventilator.4. The ventilator of claim 1 , further comprising a sensor configured to provide sensor information of the blower and the flow control device claim 1 , and a ventilation control system configured to send the sensor information to the flow ...

MASK AND COMPONENTS THEREOF

A comfortable low-leak mask assembly for use with Non-Invasive Positive Pressure Ventilation (NIPPV) is provided to improve patient compliance and/or treatment. The mask system may include headgear having straps that are substantially inextensible and/or micro-adjustable; and/or a mask and/or cushion that includes various structures to allow enhanced/tailored sealing and/or fit at selected locations on the patient's face. 1. A patient interface assembly for non-invasive positive pressure ventilation of a patient by application of breathable gas at positive pressure to the airway of the patient wearing the patient interface assembly , the patient interface assembly comprising:a patient interface frame;a patient interface body assembly coupled to the patient interface frame; andheadgear constructed and arranged to be connected to the patient interface frame, the headgear including a controllable active tensioning element in force-transmitting relation therewith, the active tensioning element being configured to automatically adjust headgear tension while the patient interface assembly is engaged with the face of the patient.2. A patient interface assembly according to claim 1 , wherein the active tensioning element is electrically controllable.3. A patient interface assembly according to claim 1 , wherein the active tensioning element is a Shape Memory Alloy wire.4. A patient interface assembly according to claim 1 , wherein the active tensioning element is a servo motor.5. A patient interface assembly according to claim 1 , wherein the active tensioning element is an artificial muscle created from biomimetic materials.6. A patient interface assembly according to claim 1 , wherein the adjustment is dependent on a pressure of the breathable gas being supplied to the patient via the patient interface assembly.7. A patient interface assembly according to claim 1 , wherein the adjustment is dependent on a leakage of gas from the patient interface assembly.8. A patient ...

SYSTEMS AND METHODS FOR WIRELESSLY CONTROLLING MEDICAL DEVICES

Systems and methods for wirelessly controlling medical devices are provided. One system includes a portable user interface having a housing and a communication module within the housing configured to wirelessly communicate with at least one medical device. The portable user interface also includes a display displaying a graphical user interface to control the at least one medical device remotely, wherein the displayed graphical user interface corresponds to a control interface of the at least one medical device. 1. A method for controlling a medical device from a portable electronic device , the method comprising:establishing bi-directional communication between a portable electronic device and a select medical device from a plurality of medical devices;displaying a graphical user interface (GUI) on a display of the portable electronic device, the GUI includes user selectable elements based on a control interface of the select medical device;adjusting a setting of the select medical device based on a selection of the user selectable elements from the portable electronic device; andreceiving feedback from the select medical device in response to the adjusted setting.2. The method of claim 1 , further comprising viewing monitoring data acquired by the select medical device on the display.3. The method of claim 1 , further comprising detecting the plurality of medical devices based on a proximity of the plurality of medical devices from the portable electronic device.4. The method of claim 1 , further comprising displaying a location of the plurality of medical devices with respect to a medical setting on the display.5. The method of claim 1 , further comprising receiving updated patient information at the portable electronic device; andtransmitting the updated patient information to a medical data system.6. The method of claim 1 , wherein the feedback includes changes in a monitored condition of a patient coupled to the select medical device.7. The method of claim 1 , ...

SYSTEM AND METHOD FOR PURGING MOISTURE FROM THE INFLATION APPARATUS ON AN ARTIFICIAL AIRWAY

A system and method for periodically providing air pressure through an air line coupled to an air cuff in order to purge unwanted moisture from the air line while maintaining pressure in the air cuff. An air pressure measurement device is coupled to the air line by means of pneumatic circuit and determines whether the air pressure in the air line and coupled air cuff is equal to, greater than or less than a preprogrammed air pressure value. A pressure regulator receives the air measurement signal and is configured to control an air pressure device to increase or decrease the air pressure in the air line based upon the measured air pressure. A purge regulator controls the air pressure device to periodically cause the air pressure device to increase the air pressure in the air line to a predetermined level for a predetermined period of time at predetermined intervals in order to rid the air line of any accumulated moisture. 1. A device for purging condensation/moisture from an air line coupled to an air cuff on an artificial airway , the device comprising:a pressure measurement device, coupled to an air line which in turn is coupled to an air cuff, said pressure measurement device configured for monitoring and measuring the air pressure in said air line and coupled air cuff, and for providing a signal indicating said measured air pressure;an air pressure control device, coupled to said air line which in turn is coupled to said air cuff, said air pressure control device configured for increasing or decreasing air pressure in said air line and coupled air cuff in response to an air pressure control device control signal;a pressure regulator, configured for receiving said signal indicating said measured air pressure from said pressure measurement device and responsive to a preprogrammed air pressure value, for determining whether said measured air pressure is equal to, greater than or less than said preprogrammed air pressure value, said pressure regulator coupled to ...

SYSTEM FOR AUTOMATED ADJUSTMENT OF A PRESSURE SET BY A RESPIRATION DEVICE

There is suggested a system for automated adjustment of a pressure set by a respiration device, in particular a positive end-expiratory pressure and/or a maximum airway pressure, comprising: an arrangement for electrical impedance tomography for detecting an electrical impedance distribution along at least a two-dimensional cross-section through the human thorax at least at the end of an inspiration phase and at the end of an associated expiration phase; a device for dividing the detected electrical impedance distribution at the end of the inspiration phase and at the end of the expiration phase into a plurality of EIT pixels and for determining a value of the electrical impedance at the end of the inspiration phase and at the end of the expiration phase, as associated with a respective EIT pixel; and a device for automated adjustment of the pressure set by the respiration device on the basis of a comparison (i) of a deviation between the value of the electrical impedance at the end of the inspiration phase associated with an individual EIT pixel and the value of the electrical impedance at the end of the expiration phase associated with the respective individual EIT pixel (ii) with a deviation between the value of the electrical impedance at the end of the inspiration phase and the value of the electrical impedance at the end of the expiration phase, as determined on the basis of the entirety of EIT pixels. 1. A system for automated adjustment of a pressure set by a respiration device , the system comprising:an arrangement for electrical impedance tomography for detecting electrical impedance distributions along at least a two-dimensional cross-section through a human thorax at least at an end of an inspiration phase and at an end of an associated expiration phase;a device for dividing the detected electrical impedance distributions at the end of the inspiration phase and at the end of the expiration phase into a plurality of EIT pixels and for determining a value ...

SMART OSCILLATING POSITIVE EXPIRATORY PRESSURE DEVICE

An oscillating positive expiratory pressure system including an oscillating positive expiratory pressure device having a chamber, an input component in communication with the chamber, wherein the input component is operative to sense a flow and/or pressure and generate an input signal correlated to the flow or pressure, a processor operative to receive the input signal from the input component and generate an output signal, and an output component operative to receive the output signal, and display an output. 1. An oscillating positive expiratory pressure system comprising:an oscillating positive expiratory pressure device comprising a chamber;an input component in communication with the chamber, wherein the input component is operative to sense a flow and/or pressure and generate an input signal correlated to the flow or pressure;a processor operative to receive the input signal from the input component and generate an output signal; andan output component operative to receive the output signal, and display an output.2. The oscillating positive expiratory pressure system of wherein the input component comprises a sensor.3. The oscillating positive expiratory pressure system of wherein the sensor comprises a flow sensor.4. The oscillating positive expiratory pressure system of wherein the sensor comprises a pressure sensor.5. The oscillating positive expiratory pressure system of wherein the output component comprises a visual output.6. The oscillating positive expiratory pressure system of wherein the output component comprises an audible output.7. The oscillating positive expiratory pressure system of wherein the output component comprises a vibratory output.8. The oscillating positive expiratory pressure system of wherein the output component comprises a graphical user interface.9. The oscillating positive expiratory pressure system of wherein the output component comprises a mobile device in wireless communication with the oscillating positive expiratory ...

PATIENT SPECIFIC AUTO-FLOWRATE CONTROL

A respiratory assistance system can provide high flow therapy to patients. The respiratory assistance system can include a patient interface that can deliver a gas flow to a patient and a gas source that can drive the gas flow towards the patient interface at an operating flow rate. The system can include a controller for controlling the operating flow rate of the gas. The controller can apply multiple test flow rate values in a range as the operating flow rate. For each of the test flow rate values, the controller can measure a patient parameter. The controller can determine a new flow rate value based on the measured patient parameters. Patient parameters can include respiration rate, work of breathing, or any other parameters related to the respiratory circuit. 1. A respiratory assistance system for delivering gas to a patient , said respiratory assistance system comprising:a patient interface configured to deliver a gas flow to a patient;a gas source configured to drive the gas flow to the patient interface at an operating flow rate; and apply a plurality of test flow rate values in a range as the operating flow rate;', 'measure at least one patient parameter corresponding to each of the plurality of test flow rate values;', 'determine a new flow rate value based at least in part on the measured at least one patient parameter; and', 'change the operating flow rate to the new flow rate value., 'one or more hardware processors configured to2. The respiratory assistance system of claim 1 , wherein the one or more hardware processors are further configured to determine a rate of change in the measured at least one patient parameter as a function of the change in the applied plurality of test flow rate values.3. The respiratory assistance system of claim 2 , wherein said determining the new flow rate further comprises determining where in the range of the plurality of test flow rate values the rate of change approaches zero.4. The respiratory assistance system of ...

ACCLIMIZATION THERAPY FOR FIRST TIME CPAP AND NIV USERS

A method of acclimatizing a patient to provide continuous positive airway pressure (CPAP) therapy, including operating a device for treating sleep disordered breathing (SDB). The device provides continuous positive airway pressure to the patient during sleep via a mask configured to provide a seal with respect to airways of the patient. The method comprises applying full therapeutic pressure during a first session, monitoring a mask pressure during application of the full therapeutic pressure, calculating a difference between the full therapeutic pressure and the mask pressure, comparing the difference to a threshold representing an acceptable level of leak, generating a first signal in response to said comparing, and in response to said first signal indicating a fault in the seal, decreasing an applied pressure to below the full therapeutic pressure during the first session in order to improve the seal of the mask against the patient's face. 1. (canceled)2. A method of acclimatizing a patient to provide continuous positive airway pressure (CPAP) therapy , including operating a device for treating sleep disordered breathing (SDB) , wherein said device provides continuous positive airway pressure to the patient during sleep via a mask configured to provide a seal with respect to airways of the patient , the method comprising:applying full therapeutic pressure during a first session;monitoring a mask pressure during application of the full therapeutic pressure;calculating a difference between the full therapeutic pressure and the mask pressure;comparing the difference to a threshold representing an acceptable level of leak;generating a first signal in response to said comparing and indicative of performance of the seal; andin response to said first signal indicating a fault in the seal, decreasing an applied pressure to below the full therapeutic pressure during the first session in order to improve the seal of the mask against the patient's face.3. The method ...

COMBINATION RESPIRATORY THERAPY DEVICE, SYSTEM AND METHOD

A combination respiratory therapy management system creates a combined respiratory therapy prescription that can be executed by a combined respiratory therapy device to provide multiple coordinated respiratory therapies to a patient. The system can update the combined respiratory therapy prescription and implement the updates while the combined respiratory therapy device is in use. An integrated graphical user interface provides the patient and clinician with customization options and quick access to preselected operations of the combined respiratory therapy device. Additional features of the system enable remote access and control of the combination respiratory therapy device by remote clinicians. 1. A combination respiratory therapy device comprising:a blower for providing negatively pressurized air to a mouthpiece coupled to a patient's airway;an air pulse generator configured for delivering air pulses to at least one of a garment worn by the patient or a nasal interface worn by the patient;a network interface in communication with an associated computer network;a controller including a processor in communication with memory storing instructions which are executable by the processor to execute a combined respiratory therapy prescription, the combined respiratory therapy prescription defining a plurality of different therapy sessions to be performed by the combination respiratory therapy device over a period of time, each of the plurality of different therapy sessions comprising a mucus extraction therapy; anda display in communication with the controller and configured to display a graphical user interface associated with at least one operation of the combination respiratory therapy device.2. The combination respiratory therapy device of claim 1 , wherein the graphical user interface further comprises a cough icon associated with a cough on demand operation of the combination respiratory therapy device and claim 1 , wherein responsive to a selection of the cough ...

Continuous positive airway pressure (cpap) device

A CPAP device includes a housing. A suction port is provided in a top plate portion of a casing of the air blower. The air blower chamber has a facing wall portion facing the top plate portion with a distance therebetween. A wall portion defining the air blower chamber is provided with an introduction port for introducing external air. In a space between the facing wall portion and the top plate portion, a flow adjustment portion that partitions the space into flow paths arranged side by side around a rotation axis is provided. An outer end portion and an inner end portion of each of the flow paths in a direction orthogonal to the rotation axis are respectively constituted of a first open end and a second open end, the first open end and the second open end being open along the direction orthogonal to the rotation axis.

METHODS AND APPARATUS WITH IMPROVED VENTILATORY SUPPORT CYCLING

A ventilator that delivers air at different pressures to a patient during inspiratory and expiratory cycles of breathing and that cycles from inspiratory to expiratory operation when the patient's respiratory flow passes a threshold level. The threshold generally increases from the beginning of inspiration to the end of inspiration. The increase can be linear over all or only a portion of the inspiratory cycle, and the threshold can be adjusted so that cycling is prevented during the initial portion of an inspiratory cycle. The minimum and maximum levels may both be functions of peak flow and the threshold may increase as a function of elapsed inspiratory time. The rate at which the threshold increases from a minimum level to a maximum level may be adjustable for individual patient needs and may be determined from previous breaths. 1. Apparatus that controls changes to delivery of ventilation in relation to inspiratory and expiratory cycles of a patient's breathing , the apparatus comprising:a controller comprising a processor and configured to:receive data indicative of respiratory flow, the data including inspiratory cycle data for an inspiratory cycle, anddetermine a computed threshold flow level by computing a threshold flow level that varies as a function of elapsed inspiratory time and that is a predetermined amount above a zero level for at least a portion of a respiratory cycle,wherein the controller is configured to control cycling from an inspiratory operation to an expiratory operation based on a comparison of the inspiratory cycle data to the computed threshold flow level.2. Apparatus according to wherein the apparatus comprises a motor operated gas source for producing ventilation flow for the patient's breathing.3. Apparatus according to wherein the apparatus comprises a servo-valve and wherein the controller is configured to control operation of the servo-valve for controlling the changes to delivered ventilation.4. Apparatus according to wherein the ...

POWERING BREATHING APPARATUS

Described herein is a respiratory therapy system comprising: a primary power supply, a secondary power supply, and a breathing apparatus configured to provide respiratory therapy. The breathing apparatus comprises a controller. There is a connection between the primary power supply and the breathing apparatus configured to facilitate transmission of power and data between the primary power supply and the breathing apparatus. The controller is configured to monitor a parameter of the primary power supply, and disengage the primary power supply if the parameter differs from a parameter threshold. The controller is configured to engage the secondary power supply on disconnection of the primary power supply such that the breathing apparatus can continue operation without interruption. 1. A respiratory therapy system comprising:a primary power supply,a secondary power supply,a breathing apparatus configured to provide respiratory therapy comprising a controller,a connection between the primary power supply and the breathing apparatus configured to facilitate transmission of power and data between the primary power supply and the breathing apparatus,wherein the controller is configured to monitor a parameter of the primary power supply, and disengage the primary power supply if the parameter differs from a parameter threshold, andwherein the controller is configured to engage the secondary power supply on disconnection of the primary power supply such that the breathing apparatus can continue operation without interruption.2. A respiratory therapy system according to claim 1 , wherein the breathing apparatus comprises a power module for controlling power distribution.3. A respiratory therapy system according to claim 2 , wherein the controller is configured to monitor the parameter of the primary power supply claim 2 , and disengage the power module from the primary power supply if the parameter differs from the parameter threshold.4. A respiratory therapy system ...

Ventilator Setting Adjustment System

An automatic ventilator adjusting system has a three-way inline adapter coupled to 1) a breath sample line, 2) a ventilator (either invasive or non-invasive), and 3) a patient. The breath sample line is coupled to a Gas Exchange Monitor (GEM) and preferably has a female Luer lock end. Ventilator settings can be automatically set and/or adjusted using 1) an algorithm preferably having a feedback loop and 2) inputs including one or more of: gPaO™ (calculated arterial partial pressure of Oby GEM), oxygen deficit, gPaCO™ (calculated arterial partial pressure of CO), gPaCO™/gPaO™, PiO-PETO, TLC (Total Lung Capacity), FRC (Functional Residual Capacity), and Vd/Vt (deadspace ratio). Preferably, one or more of the inputs (e.g., gPaO™ gPaCO™, and oxygen deficit) are obtained non-invasively from a patient's normal breathing gas samples as calculated by MediPines Gas Exchange Monitor (GEM). 1. A method of adjusting a setting of a ventilator , comprising:receiving a signal from a real-time monitoring system of a patient's exhalation;using the signal as an input to an algorithm to calculate an adjustment value for a setting of the ventilator; andautomatically adjusting one or more settings of the ventilator based on the adjustment value.2. The method of claim 1 , wherein the signal is selected from the group consisting of: gPaO™ oxygen Deficit claim 1 , gPaCO™ claim 1 , PETCO claim 1 , gPaCO™/gPaO™ claim 1 , PiO-PETO claim 1 , TLC claim 1 , and FRC output.3. The method of claim 1 , wherein the setting is selected from the group consisting of: FiO claim 1 , PEEP claim 1 , respiratory rate claim 1 , tidal volume claim 1 , inspiratory time claim 1 , and inspiratory pressure.4. The method of claim 1 , further comprising producing a visual or audio message prompting a user to manually adjust the settings if the target value cannot be achieved within a reasonable period of time.5. The method of claim 1 , wherein the algorithm comprises comparing the signal with a target value of the ...

RESPIRATORY SYSTEM WITH HUMIDIFIER AND CONFORMABLE RESERVOIR

A humidifier for humidifying a flow of air to be delivered to a patient includes a base unit having at least one wall defining a receiving space. The base unit also includes a variable volume reservoir configured to hold a body of water and receive the flow of air to humidify the flow of air for delivery to the patient. The receiving space is configured to receive the variable volume reservoir and the variable volume reservoir is conformable to a shape of the receiving space. The humidifier further includes a heater for heating the body of water. 1. A humidifier for humidifying a flow of air to be delivered to a patient , the humidifier comprising:a base unit comprising at least one wall defining a receiving space;a variable volume reservoir configured to hold a body of water and receive the flow of air to humidify the flow of air for delivery to the patient; anda heater for heating the body of water,wherein the receiving space is configured to receive the variable volume reservoir and the variable volume reservoir is conformable to a shape of the receiving space.2. The humidifier of claim 1 , wherein the variable volume reservoir is collapsible to a flat plate.3. The humidifier of claim 1 , wherein the at least one wall defines a prism shaped receiving space.4. The humidifier of claim 1 , wherein the variable volume reservoir comprises low thermal impedance material configured to engage the heater in use.5. The humidifier of claim 4 , wherein the low thermal impedance material comprises at least one of polyethylene or polyamide.6. The humidifier of claim 1 , wherein the variable volume reservoir does not comprise a metal plate.7. The humidifier of claim 1 , wherein the variable volume reservoir comprises the heater.8. The humidifier of claim 7 , wherein the heater is a flexible tape heater.9. The humidifier of claim 8 , wherein at least a part of the heater is molded within a wall of the variable volume reservoir.10. The humidifier of claim 1 , wherein the variable ...

PATIENT VENTILATOR, METHOD OF VENTILATING AN AIRWAY OF A PATIENT, AND CONTROLLER THEREFOR

There is provided a ventilator to ventilate an airway of a patient. The ventilator has a conduit having an inlet and an outlet, said outlet configured to be connected to said airway; a gas delivery element in fluid communication with said inlet, said gas delivery element configured to deliver air in a sequence of ventilation cycles, each ventilation cycle defined by a corresponding tidal volume to be delivered to said airway via said conduit, each tidal volume corresponding to a difference between a start volume and an end volume of said gas delivery element for that ventilation cycle; a pressure sensor monitoring pressure within said conduit; a controller communicatively coupled to said gas delivery element and said pressure sensor, said controller performing reducing said tidal volume between a first ventilation cycle and a successive second ventilation cycle contingent upon said pressure exceeding a pressure threshold in said first ventilation cycle. 1. A ventilator to ventilate an airway of a patient , the ventilator comprising:a conduit having an inlet and an outlet, said outlet being configured to be connected to said airway;a gas delivery element in fluid communication with said inlet of said conduit, said gas delivery element configured to deliver air in a sequence of ventilation cycles, each ventilation cycle being defined by a corresponding tidal volume to be delivered to said airway via said conduit, each tidal volume corresponding to a difference between a start volume and an end volume of said gas delivery element for that ventilation cycle;a pressure sensor configured to monitor pressure within said conduit;a controller communicatively coupled to said gas delivery element and said pressure sensor, said controller having a processor and a non-transitory memory having stored thereon instructions that when executed by said processor perform the step of reducing said tidal volume between a first ventilation cycle and a successive second ventilation cycle ...

METHODS AND APPARATUS FOR THE SYSTEMIC CONTROL OF VENTILATORY SUPPORT IN THE PRESENCE OF RESPIRATORY INSUFFICIENCY

A method and apparatus for providing ventilatory assistance to a spontaneously breathing patient an error signal () is computed that is the difference between a function of respiratory airflow () over a period of time and a target value (). Using a servo loop, air is delivered to the patient at a pressure that is a function of the error signal, the phase of the current breathing cycle, and a loop gain that varies depending on the magnitude of the error signal. The loop gain increases with the magnitude of the error signal, and the gain is greater for error signals below a ventilation target than for error signals above the ventilation target value. The target value () is an alveolar ventilation that takes into account the patient's physiologic dead space. 1. An apparatus for providing pressurized ventilatory assistance to a patient , the apparatus comprising:a blower for producing pressure support ventilation for a patient,a controller coupled with the blower to control the blower,a flow sensor for deriving an estimate of respiratory flow; and change a rate of adjustment of the pressure support ventilation by applying a difference function to a determined pressure support amplitude, the difference function comprising a variable representing an extent to which leak is changing rapidly, the determined pressure support amplitude being determined from an error between a target ventilation and measured ventilation;', 'filtering the estimate of respiratory flow with a filter having a peak hold tendency to produce an estimate of residual leak; and', 'compute the variable of the difference function by applying a function to the estimate of residual leak., 'wherein the controller is configured to2. The apparatus of wherein the difference function comprises a subtraction of the variable from one to produce a difference value.3. The apparatus of wherein the difference function is applied to the determined pressure support amplitude by multiplying the different value and the ...

HUMIDIFIER ARRANGEMENTS AND CONTROL SYSTEMS

The electrical connections of a chamber or enclosure for a water tub can be protected through the use of spill element sensors. The spill element sensors can help to disable the delivery of power to the heater of a water tub in the event that the electrical connections become wet. 111.-. (canceled)12. A base unit of a humidification system , the base unit being configured to receive a water tub , the base unit comprising:a controller, anda sensor configured to provide sensor data to the controller, determine a presence of water in the base unit based on the sensor data, and', 'change an operating parameter of the humidification system based upon determination of the presence of water in the base unit., 'wherein the controller is configured to13. The base unit of claim 12 , further comprising a heating element for heating water in the water tub.14. The base unit of claim 13 , wherein the sensor is exposed to the heating element.15. The base unit of claim 12 , wherein the sensor comprises a thermistor claim 12 , and wherein the sensor data comprises temperature data indicative of the temperature of the thermistor.16. The base unit of claim 12 , wherein the controller is configured to determine a resistance of the sensor based on the sensor data.17. The base unit of claim 15 , wherein the controller is configured to compare the temperature data at a first time to the temperature data at a second time to determine a rate of change of temperature.18. The base unit of claim 17 , wherein the controller is configured to compare the rate of change of temperature to a threshold value to determine the presence of water in the base unit.19. The base unit of claim 18 , wherein the threshold value is predetermined or pre-set.20. The base unit of claim 18 , wherein the threshold value is indicative of water contacting the sensor.21. The base unit of claim 12 , wherein the operating parameter is power delivered to the heating element claim 12 , and the power delivered to the ...

SYSTEM AND METHOD FOR MONITORING AND REPORTING STATUS OF A VENTILATED PATIENT

The present disclosure provides a method of issuing an alert for optimizing interaction between a patient and a ventilatory system. The method includes ventilating a patient using a ventilatory system and retrieving one or more of current ventilatory settings, collected ventilatory data, and patient data. The method also includes detecting corruption of interaction between a patient and the ventilatory system, determining one or more root causes of the corruption, and determining and displaying a recommendation for resolving the corruption based on the one or more root causes. 1. A method of issuing an alert for optimizing interaction between a patient and a ventilatory system , comprising:ventilating a patient using a ventilatory system;retrieving at least one of current ventilatory settings, collected ventilatory data, and patient data;detecting corruption of interaction between a patient and the ventilatory system;determining at least one root cause of the corruption; anddetermining and displaying a recommendation for resolving the corruption based on the at least one root cause.2. The method according to claim 1 , further comprising displaying the at least one root cause.3. The method according to claim 1 , further comprising displaying a report indicating a status of the interaction between a patient and the ventilatory system.4. The method according to claim 1 , further comprising issuing an alert associated with the detected corruption of interaction between a patient and the ventilatory system.5. The method according to claim 1 , wherein the patient data comprises at least one of a patient diagnosis and a patient disability.6. The method according to claim 1 , further comprising normalizing the patient data based on at least one normalization standard.7. The method according to claim 1 , further comprising displaying at least a portion of the collected ventilatory data to graphically represent the root cause of the corruption.8. The method according to claim ...

HIGH FLOW THERAPY DEVICE UTILIZING A NON-SEALING RESPIRATORY INTERFACE AND RELATED METHODS

A gas delivery conduit adapted for fluidly connecting to a respiratory gases delivery system in a high flow therapy system, the gas delivery conduit includes a first connector adapted for connecting to the respiratory gases delivery system, a second connector adapted for connecting to a fitting of a patient interface, tubing fluidly connecting the first connector to the second connector where the first connector has a gas inlet adapted to receive the supplied respiratory gas, one of electrical contacts and temperature contacts integrated into the first connector. The gas delivery conduit further can include a sensing conduit integrated into the gas delivery conduit, where the first connector of the gas delivery conduit is adapted to allow the user to couple the first connector with the respiratory gases delivery system in a single motion. 1. A connector for use with a therapy device , the connector comprising:a conduit fitting including a gas lumen configured to direct gas from a therapy device towards a patient interface and a pressure lumen configured to convey pressure from a patient interface towards a pressure port of the therapy device; anda cannula fitting configured for releasable engagement with the conduit fitting, the cannula fitting including at least one gas lumen and at least one pressure lumen, the at least one gas lumen being operatively engageable with the gas lumen of the conduit fitting and being configured to direct gas from the therapy device towards the patient interface, the at least one pressure lumen being operatively engageable with the pressure lumen of the conduit fitting and being configured to convey pressure from the patient interface towards the pressure port of the therapy device.2. The connector of claim 1 , wherein a distal portion of the cannula fitting includes two gas lumens claim 1 , wherein a proximal portion of the cannula fitting includes one gas lumen claim 1 , and wherein the two gas lumens of the distal portion of the ...

SYSTEMS AND METHODS FOR REVERSE PRESSURE PULSE THERAPY DELIVERY

A system and method for providing a therapy to a subject may include a lumen configured to be coupled to a portion of a respiration passage of the subject to receive air respired by the subject. A sensor is configured to monitor the lumen and generate a signal based on the air respired by the subject. A pressure pulse delivery system is configured to deliver a pressure pulse along the lumen to the subject and a reservoir of therapeutic agent is coupled to the lumen. A processor is configured to receive the signal from the sensor, determine, from at least the signal, an exhalation period of the subject, and based on the exhalation period, cause the pressure pulse delivery system to deliver a pressure pulse to the subject. Following the pressure pulse, the processor can cause the therapeutic agent to be delivered from the reservoir. 1. A system for providing a therapy to a subject , the system comprising:a lumen configured to be coupled to a portion of a respiration passage of the subject to receive air respirated by the subject;a sensor configured to monitor the lumen and generate a signal based on the air respirated by the subject;a pressure pulse delivery system configured to deliver a pressure pulse along the lumen to the subject;a supply of therapeutic agent coupled to the lumen; and receive the signal from the sensor;', 'determine, from at least the signal, an exhalation of the subject;', 'based on the exhalation, cause the pressure pulse delivery system to deliver a pressure pulse to the subject; and', 'following the pressure pulse, cause the therapeutic agent to be delivered from the supply., 'a processor configured to2. The system according to wherein the processor is further configured to determine claim 1 , from at least the signal claim 1 , an inhalation of the subject.3. The system according to wherein the processor is further configured to cause the pressure pulse delivery system to pause delivery of the pressure pulse when the processor detects the ...

AUTOTITRATING METHOD AND APPARATUS

An apparatus and method of controlling the delivery of therapeutic gas delivered to a patient undergoing positive airway pressure therapy is described. The method includes providing a flow of gas to a patient's airway at a pressure, obtaining information from the range of 0 to 25 Hz of the frequency domain of the flow, and adjusting the pressure based on the information. The apparatus includes a blower for providing a flow of gas to a patient's airway at a pressure, a sensor to measure a characteristic of the flow, a controller to obtain information from the range of 0 to 25 Hz of the frequency domain of the characteristic, and a pressure regulator for adjusting the pressure based on the information. 150-. (canceled)51. A positive airway pressure therapy apparatus comprising:a blower configured to provide a flow of gas to an airway of a patient at a pressure; and causing a decrease of the pressure responsive to detection of the normal breathing event; and', causing an increase of the pressure of the flow of gas by a preset pressure increase or a pressure increase determined based on a magnitude of the pressure decrease,', 'wherein a determination of whether to increase the pressure by the preset pressure increase or the pressure increase determined based on the magnitude of the pressure decrease is based on the magnitude of the pressure decrease., 'responsive to detection of the sleep disordered breathing event preceded by a pressure decrease], 'a controller configured to adjust the pressure of the flow of gas responsive to detection of a normal breathing event or a sleep disordered breathing event by52. The apparatus of claim 51 , wherein the preset pressure increase is based on a type of the sleep disordered breathing event claim 51 , and wherein the type of the sleep disordered breathing event comprises a partial airway obstruction claim 51 , apnea claim 51 , or hypopnea.53. The apparatus of claim 51 , wherein an amount of the pressure increase is further ...

MASK SYSTEM HEADGEAR

A respiratory mask system includes a headgear that, in use, secures the respiratory mask system to a patient's head. The headgear includes a pair of forehead straps that are coupled together by a forehead coupler to form a closed loop. The forehead coupler is removably connected to a frame of the respiratory mask such that the forehead straps remain in a closed loop. The pair of forehead straps can also be coupled together by positioning a male strap portion within an aperture of a female strap portion. The male strap portion has a free end that is configured to be received into the aperture. The male strap portion includes a plurality of notches that engage the aperture of the female strap portion and provide incremental adjustment. The free ends of the male and female strap portions have fasteners configured to engage the surface of the other strap portion. 129.-. (canceled)30. A top strap connection assembly for providing incremental length adjustment to a top strap of a headgear , the top strap connection assembly comprising: an aperture extending through the female strap portion, and', 'a first fastener portion positioned on an inner surface of the female strap between the aperture and an end of the female strap portion; and, 'a female strap portion attached to the headgear, the female strap portion further comprising a plurality of notches positioned along the length of the male strap portion on outer edges of the male strap portion, and', 'a second fastener portion positioned on an inner surface of the male strap between the plurality of notches and an end of the male strap portion,, 'a male strap portion attached to the headgear, the male strap portion further comprisingwherein the male strap is positioned within the aperture such that the plurality of notches engages the aperture,wherein the first fastener portion is fastened to an outer surface of the male strap portion and the second fastener portion is fastened to an outer surface of the female strap ...

USABILITY FEATURES FOR RESPIRATORY HUMIDIFICATION SYSTEM

A humidification system for delivering humidified gases to a user can include a heater base, humidification chamber having an inlet, outlet, and associated fluid conduit, and breathing circuit including a supply conduit, inspiratory conduit, and optional expiratory conduit. The humidification system can include various features to help make set-up less difficult and time-consuming. For example, the supply conduit, inspiratory conduit, and optional expiratory conduit can be coupled into a one-piece circuit to aid set-up. Various components can be color-coded and can have corresponding structures to indicate which components should be connected to one another during set-up. Such features can also help make the set-up process more intuitive for an operator, which can reduce the need for specialized training and reduce the number of potential errors. 1. (canceled)2. A humidification chamber comprising:at least one side wall;a top wall connected to the at least one side wall;a base surface connected to the at least one side wall;a cavity being at least partially defined by the at least one side wall and the top wall and configured to hold a volume of liquid;an inlet port extending from the top wall and defining a passage into the cavity of the humidification chamber through the top wall;an outlet port extending from the top wall and defining a passage out of the cavity of the humidification chamber through the top wall; anda protrusion in the top wall, the protrusion being configured to mate with a corresponding recess on a heater base to guide insertion of the humidification chamber on the heater base.3. The humidification chamber of claim 2 , wherein the protrusion of the humidification chamber is configured to mate with the corresponding recess of the heater base to guide insertion of the humidification chamber onto the heater base in a desired rotational orientation.4. The humidification chamber of claim 2 , wherein the inlet port comprises a first sensor aperture ...

Delivering variable positive airway pressure depending on awake state and sleep disordered breathing

Positive airway pressure (“PAP”) systems and methods are provided which supply a patient with a range of pressures for treatment when the patient is determined to be asleep, and an awake pressure for use when the patient is determined to be awake, the awake pressure configured for the comfort of the patient. The awake pressure is configured to be lower than the lower bound of the pressure range and can be a therapeutic or sub-therapeutic pressure. The PAP systems and methods disclosed herein advantageously allow for the pressure range to be tailored for effective treatment of sleep disordered breathing while allowing the awake pressure to be set for the comfort of the patient. This can advantageously increase both the efficacy of the treatment of SDB and patient compliance with the treatment.

Systems and Methods for Compensating Long Term Sensitivity Drift of Electrochemical Gas Sensors Exposed to Nitric Oxide

Described are systems and methods for compensating long term sensitivity drift of catalytic type electrochemical gas sensors used in systems for delivering therapeutic nitric oxide (NO) gas to a patient by compensating for drift that may be specific to the sensors atypical use in systems for delivering therapeutic nitric oxide gas to a patient. In at least some instances, the long term sensitivity drift of catalytic type electrochemical gas sensors can be addressed using calibration schedules, which can factor in the absolute change in set dose of NO being delivered to the patient that can drive one or more baseline calibrations. The calibration schedules can be used reduce the amount of times the sensor goes offline. Systems and methods described may factor in in actions occurring at the delivery system and/or aspects of the surrounding environment, prior to performing a baseline calibration, and may postpone the calibration and/or rejected using the sensor's output for the calibration. 1. A method for compensating for sensor drift in a sensor , the method comprising:monitoring a patient intake of therapeutic gas with a sensor;storing in memory a baseline calibration value, a slope associated with the baseline calibration value, and a calibration schedule, wherein the slope represents a plurality of correlated values of therapeutic gas dosage concentrations to values output from the sensor;delivering, via a therapeutic gas delivery device, a predetermined dosage of therapeutic gas to the patient;measuring a concentration of therapeutic gas from the delivered predetermined dosage;retrieving, from memory, the baseline calibration value and slope;performing a calibration according to the calibration schedule, wherein the calibration includes exposing the sensor to a zero concentration of the therapeutic gas and adjusting the baseline calibration value according to a sensor output value during the calibration;determining an actual concentration of therapeutic gas ...

Systems And Methods for Compensating Long Term Sensitivity Drift Of Electrochemical Gas Sensors Exposed to Nitric Oxide

Described are systems and methods for compensating long term sensitivity drift of catalytic type electrochemical gas sensors used in systems for delivering therapeutic nitric oxide (NO) gas to a patient by compensating for drift that may be specific to the sensors atypical use in systems for delivering therapeutic nitric oxide gas to a patient. In at least some instances, the long term sensitivity drift of catalytic type electrochemical gas sensors can be addressed using calibration schedules, which can factor in the absolute change in set dose of NO being delivered to the patient that can drive one or more baseline calibrations. The calibration schedules can be used reduce the amount of times the sensor goes offline. Systems and methods described may factor in in actions occurring at the delivery system and/or aspects of the surrounding environment, prior to performing a baseline calibration, and may postpone the calibration and/or rejected using the sensor's output for the calibration. 1. A method for compensating therapeutic gas sensor drift affiliated with therapeutic gas delivery , comprising:storing, in memory affiliated with a therapeutic gas delivery system, a calibration line correlating expected output values from a therapeutic gas sensor to therapeutic gas concentrations and a calibration schedule providing times for performing a plurality of baseline calibrations, the baseline calibrations being performed in response to a set dose change, the baseline calibrations including exposing the therapeutic gas sensor to a zero concentration of therapeutic gas;supplying, via the therapeutic gas delivery system, therapeutic gas into an inspiratory flow of a patient breathing circuit, according to a set dosage;monitoring output values from the therapeutic gas sensor, the therapeutic gas sensor in fluid communication with the breathing circuit, the output values indicative of the therapeutic gas concentration in the inspiratory flow;determining the actual output ...

SYSTEMS AND METHODS FOR DETECTION OF VENTILATOR AND PATIENT DISCONNECTIONS USING PATIENT LUNG COMPLIANCE ESTIMATED ON BOTH INHALATION AND EXHALATION PHASES OF A BREATH

The system, method and computer-readable storage medium are for detection of ventilator and patient disconnections using patient lung compliance estimated on both inhalation and exhalation phases of a breath. A ventilator breathing system () provides breathing gas to a patient, and includes a gas supply (), a patient tubing circuit () coupled to the gas supply, and a gas monitoring system () associated with the patient tubing circuit and configured to monitor at least flow and pressure. A control unit () is coupled to the monitoring system and configured to determine a patient disconnection from the system by estimating a patient lung compliance ratio based upon determined volumes of gas delivered during the inhalation phase of the breath cycle and exiting during the exhalation phase of the breath cycle, and monitored pressures in the patient tubing circuit during the inhalation and exhalation phases of the breath cycle. 1. A ventilator breathing system (VBS) to provide breathing gas to a patient , and having a breath cycle including an inhalation phase and an exhalation phase , the VBS comprising:a gas supply;a patient tubing circuit coupled to the gas supply;a gas monitoring system associated with the patient tubing circuit and configured to monitor at least flow and pressure; anda control unit coupled to the monitoring system and configured to determine a patient disconnection from the VBS by estimating a patient lung compliance ratio based upon determined volumes of gas delivered during the inhalation phase of the breath cycle and exiting during the exhalation phase of the breath cycle, and monitored pressures in the patient tubing circuit during the inhalation and exhalation phases of the breath cycle,wherein the control unit is configured to estimate the patient lung compliance ratio by estimating an inhalation patient lung compliance during the inhalation phase of the breath cycle, and estimating an exhalation patient lung compliance during the exhalation ...

Phenotyping Of Sleep Breathing Disorders Using A Breathing Therapy Machine

An improvement for existing breathing therapy machines which allows the machine to determine a patient's dominant respiratory phenotype using an auto-titration mode and flow sensor.

SYSTEMS, DEVICES, AND METHODOLOGIES TO PROVIDE PROTECTIVE AND PERSONALIZED VENTILATION

A method and system for monitoring respiratory waveforms. The method includes acquiring a data set representative of a waveform, comparing one or more segments of the data set with stored abnormal shapes and/or values, determining, using the processing circuitry and based on the comparison, a match level, identifying an abnormality associated with an abnormal shape and/or a value in response to determining that the match level between the data set and the abnormal shape and/or the value is above greater or below a predetermined threshold, and outputting a notification indicating the abnormality to an external device. 1. A method for monitoring respiratory waveforms , the method comprising:acquiring a data set representative of a waveform;comparing, using processing circuitry, one or more segments of the data set with stored abnormal shapes and/or values;determining, using the processing circuitry and based on the comparison, a match level;identifying an abnormality associated with an abnormal shape and/or a value in response to determining that the match level between the data set and the abnormal shape and/or the value is above greater or below a predetermined threshold; andoutputting a notification indicating the abnormality to an external device.2. The method of claim 1 , wherein the step of comparing includes:segmenting the data set into multiple segments associated with phases of a respiratory cycle of a patient.3. The method of claim 1 , wherein the step of comparing includes:determining a first derivative of the one or more segments of the data sets; andcomparing the first derivative of the one or more segments with first derivatives of abnormal shapes and/or values.4. The method of claim 1 , further comprising:storing the match level associated with a waveform category;identifying a trend based on stored match levels; andoutputting an alert when the trend is indicative of a potential abnormality.5. The method of claim 4 , wherein an increase in the match ...

SYSTEMS AND METHODS FOR MONITORING PATIENTS ON VENTILATION

A system for monitoring a patient on ventilation including a ventilator system, a pulse oximeter, an information processing system, and a display device. The ventilator system is configured to provide mechanical ventilation in accordance with an FiOsetting. The pulse oximeter is configured to measure SpO. The information processing system is communicatively coupled to the ventilator system and the pulse oximeter and is configured to receive, process, and output FiOsetting information and SpOdata from the ventilator system and the pulse oximeter, respectively. The display device is configured to display the FiOsetting information and SpOdata graphically as a function of time. 1. A system for monitoring a patient on ventilation , comprising:{'sub': '2', 'a ventilator system configured to provide mechanical ventilation in accordance with an FiOsetting;'}{'sub': '2', "a pulse oximeter configured to measure a patient's SpO;"}{'sub': 2', '2, 'an information processing system communicatively coupled to the ventilator system and the pulse oximeter, the information processing system configured to receive, process, and output FiOsetting information and patient SpOdata from the ventilator system and the pulse oximeter, respectively; and'}{'sub': 2', '2, 'a display device configured to display the FiOsetting information and patient SpOdata graphically as a function of time.'}2. The system according to claim 1 , wherein the information processing system is further configured to output an alert or notification in response to a change in the patient's SpO.3. The system according to claim 2 , wherein the alert or notification includes a recommended adjustment of the FiOsetting.4. The system according to claim 1 , wherein the information processing system is further configured to control adjustment of the FiOsetting in response to a change in the patients SpO.5. The system according to claim 1 , wherein the information processing system is further configured to at least one of ...

BREATHING ASSISTANCE APPARATUS

Breathing assistance apparatus includes a gases supply unit adapted to, in use, deliver a stream of pressurised gases from an outlet. The gases supply unit is adapted to vary the pressure of the stream of pressurised gases. A supply path includes a flexible self-supporting gases transportation pathway having a first end connected to the outlet so that the gases transportation pathway receives the stream of gases and conveys the gases to a patient. A patient interface is connected to the second end of the gases transportation pathway receives a stream of gases. At least one sensor measures at least one information parameter of the supply path. A control system associated with the gases supply unit receives the information parameter. The control system contains reference data, and compares the received data to reference data, and determines a supply path based on the comparison. 1. (canceled)2. A breathing assistance apparatus comprising:a gases supply unit, wherein when in use, the gases supply unit delivers a stream of pressurized gases, an outlet of the gases supply unit which supplies the stream of pressurized gases to a supply path including a flexible gases transportation pathway and a patient interface;a control system associated with the gases supply unit, wherein when in use, the control system receives data of at least one information parameter from at least one sensor, the at least one information parameter comprising a parameter of the stream of pressurized gases, the control system storing reference data, wherein when in use, the control system further compares the received data to the reference data, and, based on the comparison, calculates a treatment indicator.3. The apparatus as claimed in claim 2 , wherein the at least one information parameter comprises a parameter indicative of an output gases pressure of the gases supply unit claim 2 , an output gases flow rate of the gases supply unit claim 2 , a motor speed of the gases supply unit claim 2 , or ...

SYSTEM FOR AUTOMATED ADJUSTMENT OF A PRESSURE SET BY A VENTILATION DEVICE

A system for automated adjustment of a pressure set by a ventilation device, in particular a positive and-expiratory pressure and/or a maximum airway pressure, the system comprising a pressure detection arrangement for detecting a transpulmonary pressure at the end of an expiration phase and/or for detecting a transpulmonary pressure at the end of an inspiration phase, and a device for automated adjustment of the pressure set by the ventilation device on the basis of the transpulmonary pressure detected at the end of the expiration phase and/or the transpulmonary pressure detected at the end of the inspiration phase. 1. A system for automated adjustment of a pressure set by a ventilation device , comprising:a pressure detection arrangement for detecting a transpulmonary pressure at the end of an expiration phase and/or a transpulmonary pressure at the end of an inspiration phase, anda device for automated adjustment of the pressure set by the ventilation device on the basis of the transpulmonary pressure detected at the end of the expiration phase and/or the transpulmonary pressure detected at the end of the inspiration phase,wherein the pressure detection arrangement comprises sensor for determining an alveolar pressure and for determining an esophageal pressure, and determines the respective transpulmonary pressure on the basis of a difference between the respective alveolar pressure and the respective esophageal pressure.2. The system of claim 1 , wherein the system is configured to automatically adjust a positive end-expiratory pressure set by the ventilation device on the basis of the transpulmonary pressure detected at the end of the expiration phase.3. The system of claim 1 , comprising a device for automated adjustment of a maximum airway pressure set by the ventilation device on the basis of the transpulmonary pressure detected at the end of the inspiration phase.4. The system of claim 3 , wherein the device for automated adjustment of the maximum airway ...

VENTILATION CONTROL SYSTEM AND METHOD UTILIZING PATIENT OXYGEN SATURATION

A patient ventilation system includes a ventilator configured to deliver ventilation gas to patient, a COconcentration sensor configured to provide EtCOmeasurements for the patient, and an SpOmonitor configured to determine an SpOvalue for the patient. A ventilation control module is executable on a processor and configured to compare the SpOvalue to a threshold SpOand determine from this comparison that the SpOvalue indicates inadequate oxygenation. A minimum ventilation amount is then set, and the ventilator is then controlled based on the EtCOmeasurements and the minimum ventilation amount so as to deliver at the least the minimum ventilation amount to the patient while the SpOvalue indicates inadequate oxygenation. 1. A patient ventilation system comprising:a ventilator configured to deliver ventilation gas to a patient;{'sub': 2', '2, 'a COconcentration sensor configured to provide end tidal (EtCO) measurements for the patient;'}{'sub': 2', '2, 'an SpOmonitor configured to determine an SpOvalue for the patient;'} [{'sub': 2', '2, 'compare the SpOvalue to a threshold SpOfor inadequate oxygenation;'}, 'determine that the comparison indicates inadequate oxygenation;', 'set a minimum ventilation amount; and', {'sub': 2', '2, 'control the ventilator based on the EtCOmeasurements and the minimum ventilation amount so as to deliver at least the minimum ventilation amount to the patient while the SpOvalue indicates inadequate oxygenation.'}], 'a ventilation control module executable on a processor and configured to2. The system of claim 1 , wherein the ventilation control module is further executable to determine the minimum ventilation amount based on a ventilation amount at a time of determining that the SpOvalue indicates adequate oxygenation.3. The system of claim 1 , wherein the ventilation control module is further executable to determine the minimum ventilation amount based on historical ventilation information for the patient.4. The system of claim 3 , wherein ...

RESPIRATORY INFORMATION ACQUISITION DEVICE AND RESPIRATORY INFORMATION ACQUISITION METHOD

A respiratory information acquisition device used for a PSA type oxygen concentration device that switches and uses multiple adsorption cylinders includes a respiratory information acquisition means of measuring a first pressure of a periodic pressure fluctuation in an oxygen supply path when oxygen is supplied to a patient from the PSA type oxygen concentration device and a second pressure of a periodic pressure fluctuation in the oxygen supply path when oxygen is not supplied to the patient from the PSA type oxygen concentration device, a phase confirmation means of matching phases of the first pressure and the second pressure, and a subtraction processing means of calculating a difference between the first pressure and the second pressure in the condition where the phases are matched. 1. A respiratory information acquisition device used for a PSA type oxygen concentration device that switches and uses multiple adsorption cylinders comprising:a respiratory information acquisition means of measuring a first pressure of a periodic pressure fluctuation in an oxygen supply path when oxygen is supplied to a patient from the PSA type oxygen concentration device and a second pressure of a periodic pressure fluctuation in the oxygen supply path when oxygen is not supplied to the patient from the PSA type oxygen concentration device,a phase confirmation means of matching phases of the first pressure and the second pressure, anda subtraction processing means of calculating a difference between the first pressure and the second pressure under the condition where the phases are matched.2. The respiratory information acquisition device according to claim 1 , wherein the phase confirmation means is a means of calculating data for one cycle of the pressure fluctuation of the first pressure and data for one cycle of the pressure fluctuation of the second pressure claim 1 , and matching phases.3. The respiratory information acquisition device according to claim 1 , wherein the ...

Portable ventilator and methods for providing oscillatory flow

Disclosed herein is a portable ventilator and a method for providing an oscillatory flow to a subject in need thereof. The method comprises: (a) forming a gas mixture comprising pure oxygen and air; (b) converting the gas mixture into the oscillatory flow by applying thereto a predetermined oscillatory frequency and a predetermined ventilatory duration; (c) outputting the oscillatory flow of the step (b) at a first jet pressure, in which the outputted oscillatory flow has a first flow rate; and (d) modulating the outputted oscillatory flow of the step (c) by, (i) varying the respective amounts of the pure oxygen and the air in the gas mixture; or (ii) varying the predetermined ventilatory duration of the step (b), in which if the fist jet pressure is smaller than the predetermined jet pressure, then decreases the predetermined ventilatory duration; or if the first jet pressure is greater than the predetermined jet pressure, then increases the predetermined ventilatory duration.

ESOPHAGEAL PRESSURE CLINICAL DECISION SUPPORT SYSTEM

A novel clinical decision support system (CDS) helps the clinician setup, maintain, and interpret aesophageal pressure measurement. The esophageal pressure CDS (Pes CDS) would remind the clinician to do an occlusion test whenever the balloon is first inserted or changes dramatically. It could monitor the occlusion test and provide feedback on the performance and success of the occlusion test. Changes in the patient or monitored data can be tracked by looking for changes in the balloon baseline pressure, changes in the amplitude of the pressure waveform, or changes in the pattern of the Pes waveform. Having information from the ventilator will further increase the ability of the system to determine when Pes is changing unexpectedly. 1. A system to improve operation of a ventilator comprising:one or more sensors to provide measurement data for each of esophageal pressure data, airway pressure data, and airway flow data from a patient being ventilated; anda processor electronically coupled to the sensors and receiving the measurement data therefrom, the processor continuously compares the esophageal pressure data with changes to one or more of airway pressure data and air flow data to determine an accuracy of the esophageal pressure data.2. The system of claim 1 , wherein the accuracy of the esophageal pressure data is determined by comparing the airway pressure data to the esophageal pressure data during one or more of a trigger portion of a breath claim 1 , an end exhalation portion of a breath claim 1 , or an end expiratory pause of a breath from the patient being ventilated.3. The system of claim 2 , wherein the comparing occurs over multiple breaths from the patient being ventilated and the processor further determines a trend that is included in the accuracy of the esophageal pressure data.4. The system of claim 1 , further comprising:a display for indicating a status of the patient or system using the esophageal pressure data; andwherein status on the display is ...

HUMIDIFIER

A device is provided that humidifies breathing gas. The device has a chamber with an inlet and an outlet. A chemical heater is positioned within the chamber and a trigger activates the heater. The chamber can be a conduit with an inner wall and an outer wall with a reservoir defined therebetween. The chemical heater can be positioned within the reservoir. 1. (canceled)2. A device for humidifying breathing gas comprising:a coaxial tubing arrangement, the coaxial tubing arrangement comprising an inner tube and an outer tube, the inner tube defining a gas transport pathway, the gas transport pathway including an inlet and an outlet, the outer tube surrounding at least a section of the inner tube,wherein a reservoir is defined between the inner tube and the outer tube, andwherein a source of humidifying fluid is contained by the outer tube, the source of humidifying fluid is pre-charged into the coaxial tubing arrangement prior to use.3. The device claimed in claim 2 , wherein the source of humidifying fluid is pre-charged into the coaxial tubing arrangement by adding a predetermined volume of humidification fluid during manufacture of the device.4. The device as claimed in claim 2 , wherein the inlet is configured to be connected to a gas supply claim 2 , and the outlet is configured to be connected to a user interface or a user gas delivery device.5. The device as claimed in claim 2 , further comprising a heater located within the reservoir claim 2 , wherein the heater is disposed for thermal exchange with at least a part of one or more selected from the group consisting of the inner tube claim 2 , the section of the inner tube claim 2 , a gas passing through the gas transport pathway claim 2 , and the humidifying fluid.6. The device as claimed in claim 2 , wherein the source of humidifying fluid is provided from within or by one or more selected from the group consisting of the inner tube claim 2 , the section of the inner tube claim 2 , and the reservoir claim 2 , ...

MOUNTING UNIT FOR A BLOWER DEVICE AND SYSTEM FOR INTERCHANGING A BLOWER DEVICE BETWEEN VARIOUS MOUNTING UNITS

A mounting unit for use with a portable blower device and a system of a simple portable blower device that is interchangeable with a plurality of mounting devices. The portable blower device has a gas flow generator for providing a flow of gas to a mask for delivery of gas flow to an airway of a patient. 1. A mounting unit for use with a gas delivery system comprising:a housing having a cavity configured to receive a gas delivery system, wherein the housing has an inlet port, outlet port, and at least one attachment mechanism located on the outer portion of the housing.2. The mounting unit of claim 1 , wherein the housing is formed of a supple material.3. The mounting unit of claim 1 , further including a power source integrated at least partially within the housing.4. The mounting unit of claim 1 , further including an acoustic dampening pathway.5. The mounting unit of claim 1 , wherein the attachment mechanism is a clip.6. The mounting unit of claim 1 , further including a controller unit contained in the housing.7. A mounting unit for use with a gas delivery system comprising:a housing having a cavity configured to receive a gas delivery system, wherein the housing has an inlet port, outlet port, and power supply contained within at least a portion of the housing.8. The mounting unit of claim 7 , wherein the housing is formed of a supple material.9. The mounting unit of claim 7 , further including an attachment integrated into the outer portion of the housing.10. The mounting unit of claim 7 , further including an acoustic dampening pathway contained in the housing and configured to adapt to an intake of the gas delivery system.11. The mounting unit of claim 9 , wherein the attachment mechanism is a handle.12. The mounting unit of claim 7 , further including a controller unit contained in the housing.13. The mounting of claim 7 , wherein the housing encloses a majority of the gas delivery system.14. The mounting of claim 7 , wherein the power supply is a ...

BREATHING ASSISTANCE APPARATUS WITH SERVICEABILITY FEATURES

A breathing assistance apparatus is configured with features that improve serviceability of the apparatus. The apparatus can include animations to provide instruction regarding correcting easily-identified fault conditions and to provide instruction regarding routine maintenance routines. The apparatus also can be configured with top level control menus that are obscured in a manner to limit manipulation of the top level control elements by unauthorized users. 1. A breathing assistance apparatus comprising:a flow generator;a humidifier chamber connected to the flow generator;a conduit connected to the flow generator;a user breathing interface connected to the conduit; anda display screen adapted to provide visual information to a user,wherein the apparatus is configured to monitor one or more characteristics of use, and upon an occurrence of a triggering event to provide a series of image frames to the display, the series of image frames depicting an animated action configured to instruct a user to make an adjustment to the apparatus based upon the animated action to address the occurrence of the triggering event.2. The apparatus of claim 1 , wherein the triggering event comprises usage exceeding an upper limit of time.3. The apparatus of claim 2 , wherein the animated action comprises steps for replacing a filter.4. The apparatus of claim 3 , wherein the animated action comprises a sequence that repeats until the triggering event is corrected.5. The apparatus of claim 1 , wherein the apparatus comprises a button and depression of the button stops the display of the series of image frames.6. The apparatus of claim 1 , wherein the triggering event comprises detection of at least one of a faulty heater wire claim 1 , a faulty conduit temperature sensor claim 1 , or a disconnected conduit.7. The apparatus of claim 6 , wherein the animated action comprises steps for replacing a breathing conduit.8. The apparatus of claim 7 , wherein the animated action comprises a ...

ANALYSIS AND CONTROL OF AEROSOL FLOW

An aerosol generation system has a light source arrangement which provides signals at first and second wavelengths, and the detected light signals are recorded. The detected signals are processed to derive at least a measure of the aerosol particle size. This can be used in combination with the other parameters which are conventionally measured, namely the aerosol density and flow velocity. Thus, optical measurement (possibly in combination with an air flow measurement) can be used to estimate the aerosol output rate as well as the particle size. 1. An aerosol generation system , comprising:{'b': '1', 'a flow device () for generating an aerosol flow;'}{'b': 6', '3, 'a light source arrangement () and a light detector () for detecting light which has interacted with the aerosol flow;'}{'b': '9', 'a controller () for controlling the light source arrangement and for interpreting the detected light signals;'}wherein the controller is adapted to:control the light source arrangement to provide a first signal at a first wavelength and to record a first detected light signal;control the light source arrangement to provide a second signal at a second wavelength and to record a second detected light signal; processing the first and second detected signals to determine measurements of the obscuration at each of the first and second wavelengths;', 'comparing the measurements of the obscuration at each of the first and second wavelengths to a function relating the modulation on the amount of light scattering by an aerosol flow to particle size variation; and, 'process the first and second detected signals to derive a measure of the aerosol particle size byderiving a measure of the aerosol particle size from the result of the comparison.23. A system as claimed in claim 1 , wherein the light detector () is for detecting light which has passed through the aerosol flow.3. A system as claimed in claim 2 , further comprising a dye added to an aerosol liquid.48. A system as claimed in ...

BREATHABLE GAS APPARATUS WITH HUMIDIFIER

A flow generator and humidifier construction is described, including a flow generator construction adapted to reduce noise output compared to known flow generators of comparable size. The flow generator includes a chassis forming first and second muffler volumes and a venturi-shaped connection portion, and a metal/polymer composite material blower enclosure which suppresses noise from the blower. The flow generator may be programmed to include a reminder system including a menu from which the user may request a reminder to take specific action, e.g., replace a component, call a physician, and/or enter patient data card, etc. 1. A humidifier for delivering humidified breathable gas to a patient , the humidifier comprising:a base unit configured to attach to and detach from a flow generator, the base unit comprising an elastomer airway seal; anda water container with an inlet and an outlet, the water container being attachable to and detachable from the base unit,wherein the inlet of the water container is configured to create a sealed air path with the elastomer airway seal upon attaching the water container to the base unit.2. A humidifier according to claim 1 , wherein the sealed air path extends from an outlet of the flow generator to a headspace of the water container.3. A humidifier according to claim 1 , wherein the base unit comprises a front cover and a rear cover and the elastomer airway seal fits between the front and rear covers.4. A humidifier according to claim 3 , wherein the front cover includes an aperture and the elastomer airway seal comprises a peripheral seal portion configured to extend about a periphery of the aperture in the front cover.5. A humidifier according to claim 4 , wherein the rear cover includes an air port configured to mate with an outlet of the flow generator.6. A humidifier according to claim 5 , wherein the elastomer airway seal connects the air port to the aperture in the front cover.7. A humidifier according to claim 1 , ...

QUIET BLOWER APPARATUS AND SYSTEM AND METHOD FOR REDUCING BLOWER NOISE

A blower assembly including a motor, an impeller and a volute that is configured such that an inlet chamber of the volute and an outlet chamber of the volute are divided from one another by an airtight membrane and the membrane is configured to allow the transmission of pressure waves between the inlet and outlet chambers. 1. A system for reducing noise generated by a blower , the system comprising:a blower, comprising a motor, an impeller, an inlet port, and an outlet port;an enclosure in which the blower is located, the enclosure being divided into an inlet section including an enclosure inlet port and an outlet section including an enclosure outlet port, the outlet section having a higher pressure than the inlet section in use; anda separator configured to divide the enclosure into the inlet section and the outlet section and to provide acoustic communication between the inlet section and the outlet section.2. The system of wherein the separator comprises a membrane.3. The system of wherein the separator is at least in part flexible.4. The system of wherein the separator is configured to vibrate to produce at least a partial cancellation of noise generated by the blower.5. The system of wherein the separator comprises foil.6. The system of wherein the separator comprises any of a plastic claim 5 , polymer claim 5 , elastomer or rubber.7. The system of wherein the separator is metallic.8. The system of wherein the separator comprises one or more regions of compliance.9. The system of wherein the separator comprises a relatively hard central portion with a flexible surround or flexible connection points.10. The system of further comprising a layer formed by the separator and an additional separator claim 1 , the layer providing a fluid medium to transmit acoustic waves between the inlet section and the outlet section.11. The system of claim 1 , wherein the separator is balloon-like and is in fluid connection with the outlet port of the blower and the outlet port of ...

Method of Optimizing Therapy Pressure In A Breathing Therapy Machine Having An Auto-Adjust Feature

An improvement for existing breathing therapy machines which seeks the optimum therapy pressure using an auto-adjust algorithm. 1. A breathing therapy machine having an optimized auto-adjust capability comprising:a. a blower, for delivering air to a user of said device at a pressure;b. a processor, for controlling said blower;c. non-volatile memory, accessible by said processor, said non-volatile memory containing operational programming; and said auto-adjust module raises said pressure in response to sensed events until said pressure has reached a peak pressure;', 'said auto-adjust module lowers said pressure from said peak pressure at a first averaged rate of decrease until said pressure reaches a pressure transition point; and', 'said auto-adjust module thereafter lowers said pressure at a second averaged rate of decrease, said second averaged rate of decrease being lower than said first averaged rate of decrease., 'd. an auto-adjust module, stored in said non-volatile memory as part of said operational programming, said auto-adjust module controlling said pressure of said air, wherein2. The breathing therapy machine of wherein auto-adjust module raises said pressure in response to an event density that reaches or exceeds a predetermined pressure increase threshold.3. The breathing therapy machine of wherein said event density reaches or exceeds said pressure increase threshold when one or more criteria in a set of pressure increase criteria is met.4. The breathing therapy machine of wherein said pressure increase criteria are evaluated every minute over the most recent 1 minute and 6 minute windows of time.5. The breathing therapy machine of wherein said peak pressure is reached when said event density falls below said pressure increase threshold.6. The breathing therapy machine of wherein said auto-adjust module lowers said pressure in accordance with a set of pressure decrease criteria.7. The breathing therapy machine of wherein said pressure decrease criteria ...

DEVICE AND PROCESS FOR MEASURING THE LUNG COMPLIANCE

A device and a process determine a value indicative of a respective regional compliance of lungs of a patient (P) in a plurality of different regions of the lungs. An airway pressure sensor () measures a value indicative of the pressure (Paw), which is variable over time, at the airway of the patient (P). A difference between the end-inspiratory transpulmonary pressure and the end-expiratory transpulmonary pressure is determined. An EIT measuring device () measures by electrical impedance tomography (EIT) a change in volume of a lung region. The difference between the end-inspiratory volume and the end-expiratory volume of the lung region is determined with the use of signals of the EIT measuring device (). A quotient of the volume difference for the region in question and the pressure difference present at the lungs is calculated as the value indicative of the regional compliance of the lung region. 1. A device for determining for each lung region of a plurality of different given lung regions of the lungs of a patient a respective value indicative of a regional lung compliance of the lung region , the device comprising:an EIT measuring device configured to measure for each lung region of the plurality of different lung regions a value indicative of a respective change in volume of the lung region by applying electrical impedance tomography;a pneumatic airway pressure sensor configured to measure a value indicative of a pressure, which is variable over time, at an airway of the patient; and to determine for each lung region of the plurality of different lung regions a respective value indicative of a difference between an end-inspiratory volume and an end-expiratory volume for each of the lung region using signals of the EIT measuring device;', 'to determine a value indicative of a difference between an end-inspiratory transpulmonary pressure present at the lungs and an end-expiratory transpulmonary pressure present at the lungs using signals of the airway pressure ...

Ventilation Devices and Systems and Methods of Using Same

A ventilation system having a mask, a blowing assembly, and a processor. The mask has a mask body and a pressure sensor operatively associated with the mask body and configured to measure pressure within the mask. The mask body defines an inlet opening and a plurality of leak openings. The blowing assembly is positioned in fluid communication with the inlet opening of the mask body and configured to direct air to the inlet opening of the mask body. The processor is positioned in operative communication with the blowing assembly and the pressure sensor of the mask. The processor is configured to selectively control the blowing assembly based upon at least the measured pressure within the mask. 1. A ventilation system comprising: a mask body having an inner surface configured for engagement with a face of a subject and an outer surface opposite the inner surface; and', 'a pressure sensor operatively associated with the mask body and configured to measure pressure within the mask,', 'wherein the mask body defines an inlet opening and a plurality of leak openings extending between the inner and outer surfaces of the mask body;, 'a mask assembly comprisinga blowing assembly positioned in fluid communication with the inlet opening of the mask body and configured to direct air to the inlet opening of the mask; anda processor positioned in operative communication with the blowing assembly and the pressure sensor of the mask, wherein the processor is configured to selectively control and dynamically adjust a blower speed of the blowing assembly based upon at least the measured pressure within the mask in order to maintain at least one of a desired pressure within the mask and a tidal volume for each breath of the subject above a predetermined value.2. The ventilation system of claim 1 , further comprising a first flow sensor that is positioned in communication with the processor and configured to measure an air flow rate at which air is provided from the blowing assembly to ...

HUMIDIFIED GASES DELIVERY APPARATUS AND METHODS FOR CONTROLLING SAME

The invention relates to a method of determining water level in a humidifier chamber that is part of a humidified gases delivery apparatus and system. The method comprising the steps of delivering power to a heater plate, varying the power delivered to the heater plate, measuring the rate of change of temperature and determining the level of water based on the heating characteristics of the volume of water within the chamber, in particular determining the level of water within the chamber based on the rate of change of temperature and the supplied power. 17.-. (canceled)8. A method of electronically determining a water level in a chamber within a humidified gases delivery system configured to provide humidified respiratory gases to a user in a respiratory treatment , wherein water in the chamber is configured to humidify the respiratory gases , the method comprising: determining an evaporation rate of the water in the chamber during the respiratory treatment;', 'determining a current water level based at least in part on the evaporation rate;', 'determining a remaining treatment time of the respiratory treatment; and', calculating a remaining time that humidity can be provided to the respiratory gases by the water in the chamber so as to determine whether the current water level can last the remaining treatment time, and/or', 'adjusting control of power supplied to a heater plate of the system so as to prolong a time period when the respiratory gases are humidified by the current water level while providing at least a minimum amount of humidification to the respiratory gases, wherein the heater plate is powered to heat up the water in the chamber to create water vapor., 'based at least in part on the evaporation rate, the current water level, and the remaining treatment time], 'using an electronic controller of the system9. The method of claim 8 , further comprising outputting a low water level alert in response to determining that the current water level is ...

HUMIDIFIER RESERVOIR

An integrated respiratory pressure therapy device and humidifier for pressurising and humidifying breathable air to treat a respiratory disorder in a patient, includes a blower configured to pressurise the breathable air; a water reservoir configured to hold a volume of water to be used for humidification of the breathable air, the water reservoir comprising a water reservoir base, a water reservoir lid connected to the water reservoir base, and a compliant portion. The compliant portion is constructed from an elastomeric material and configured to seal between the water reservoir base and the water reservoir lid. A water reservoir dock forms a cavity configured to partially receive the water reservoir. The water reservoir lid includes a protrusion and the water reservoir dock includes a recess configured to releasably engage one another to secure the water reservoir to the water reservoir dock. 120.-. (canceled)21. A respiratory pressure therapy (RPT) device for pressurising breathable air to treat a respiratory disorder in a patient , the RPT device comprising:a pressure generator configured to pressurise breathable air; an RPT device inlet configured to receive breathable air from externally of the RPT device to be pressurised by the pressure generator;', 'an RPT device outlet configured to be connected to an air circuit to direct breathable air pressurised by the pressure generator to the patient; and', 'a dock comprising a dock outlet and a dock inlet;, 'a chassis supporting the pressure generator and the chassis comprisingan external housing supported on the chassis, the pressure generator being enclosed by the external housing, and the external housing forming an opening sized to interchangeably receive a water reservoir with a humidification function and an end cap without a humidification function such that the water reservoir and the end cap are alternatively insertable into and removable from the dock.22. The RPT device of claim 21 , further comprising ...