УСТРОЙСТВО ИЗМЕРЕНИЯ АРТЕРИАЛЬНОГО ДАВЛЕНИЯ ДЛЯ ИЗМЕРЕНИЙ В СООТВЕТСТВУЮЩЕЕ ВРЕМЯ

Группа изобретений относится к медицинской технике, а именно к устройствам измерения артериального давления. Устройство содержит секцию измерения артериального давления; секцию сбора данных для получения физиологической информации такого типа, который не включает артериальное давление пациента; и секцию определения и управления для выдачи управляющего сигнала для включения секции измерения артериального давления и установки лимита времени. Управляющий сигнал выдается, когда физиологическая информация удовлетворяет предварительно заданному условию. Лимит времени ограничивает включение секции измерения артериального давления после измерения. При этом в другом варианте осуществления данного устройства секция определения определяет запустить измерение, когда значение, полученное из физиологической информации, удовлетворяет первому условию в случае выхода за лимит времени, и начать отсчет лимита времени с окончания измерения, и определяет не запускать измерение, когда значение, полученное из ...

НЕИНВАЗИВНЫЙ ДЕТЕКТОР БИОЖИДКОСТЕЙ И ПОРТАТИВНАЯ СЕНСОРНАЯ ПРИЕМОПЕРЕДАЮЩАЯ СИСТЕМА

Изобретение относится к медицинской технике и ориентировано на детектор биожидкостей, например детектор гемоглобина с возможностью приема, хранения и передачи информации о здоровье, использующий портативные передатчик и приемник, включая электронные PDA, например сотовые телефоны. Кроме того, настоящее изобретение использует неинвазивный детектор гемоглобина, который подключается к портативному приемопередатчику, например, PDA, включая, но не только, сотовые телефоны. 19 з.п. ф-лы, 22 ил., 6 табл.

МЕДИЦИНСКИЙ ЭЛЕКТРОД И ЗАЖИМ ДЛЯ КОНЕЧНОСТЕЙ ДЛЯ УСТРОЙСТВА ЭКГ

Группа изобретений относится к медицинской технике. Зажим (100) для конечностей для устройства ЭКГ содержит первую (101) и вторую (103) части зажима, соединяющий их пружинный элемент (105) и медицинский электрод, установленный на первой (101) части зажима. Медицинский электрод содержит токопроводящее металлическое основание (109), содержащее пластинчатый элемент и выступ, выполненный на пластинчатом элементе, и токопроводящий опорный цилиндр (111), сконфигурированный с возможностью отделения от токопроводящего металлического основания (109). Токопроводящий опорный цилиндр (111) установлен на токопроводящем металлическом основании (109) и выполнен с возможностью поворота относительно токопроводящего металлического основания, сохраняя при этом электрическое соединение с токопроводящим металлическим основанием (109). Обеспечивается медицинский электрод и зажим для конечностей для устройства ЭКГ, не допускающие изгиб кабеля, соединенного с медицинским электродом зажима для конечностей, благодаря ...

ФОТОСЕНСОР

Использование: при биологических исследованиях, для проверки функции различных органов человека и других животных. Устройство содержит гибкую печатную плату, выполненную вместе с электрической схемой; излучатель света и приемник света, смонтированные на печатной плате и соединенные с электрическим кабелем через электрическую схему, и фиксирующую ленту, которая будет закрепляться на гибкой печатной плате, устанавливаемой на пальце или на другом органе человека, и которая будет фиксировать положение печатной платы в правильной позиции. Для гарантирования правильного положения излучателя и приемника используется полоска гибкой пленки, которую можно будет удобно расположить на пальце. После установки биофотосенсора на пальце руки, около приемников света располагаются пары датчиков света, чтобы проверить позицию приемника, который должен располагаться точно напротив излучателя света. Гибкая печатная плата снабжена меткой в такой позиции, чтобы излучатель и приемник находились напротив друг друга ...

МЕДИЦИНСКИЙ ЭЛЕКТРОД И ЗАЖИМ ДЛЯ КОНЕЧНОСТЕЙ ДЛЯ УСТРОЙСТВА ЭКГ

СПОСОБ ОПТИЧЕСКОГО ДЕТЕКТИРОВАНИЯ И УСТРОЙСТВО ДЛЯ ОПТИЧЕСКОГО ДЕТЕКТИРОВАНИЯ СОСТОЯНИЯ СУСТАВОВ

... 1. Устройство для оптического детектирования состояния сустава, содержащее:измерительный блок (2) для облучения светом части (5) тела субъекта, содержащей, по меньшей мере, один сустав, и локального детектирования ослабления света, по меньшей мере, в одном суставе и, по меньшей мере, на одном другом участке части (5) тела, при этом устройство дополнительно выполнено с возможностью предоставления информации о состоянии, по меньшей мере, одного сустава и обнаружения ответной реакции, по меньшей мере, одного сустава на изменения кровотока, вызванные сокращениями сердца субъекта, по сравнению, по меньшей мере, с одним другим участком.2. Устройство по п.1, в котором частота выборки, по меньшей мере, вдвое превышает частоту сокращений сердца субъекта.3. Устройство по любому из пп.1 и 2, в котором частота выборки составляет, по меньшей мере, 100 Гц, предпочтительно, по меньшей мере, 120 Гц, предпочтительно, по меньшей мере, 150 Гц, предпочтительно, по меньшей мере, 200 Гц, предпочтительно, по ...

Sensor carrier for use in nuclear spin tomography - contains upper and lower spring-loaded housing parts pivotably joined by axle and with light conductor leading to opposing cushions on front ends

The sensor carrier has upper and lower housing parts (2,3) pivotably connected together via an axle (4). Each has a deformable cushion (13,14) attached to its front end. The cushion are arranged opposite each other. A helical spring element (17) operates in the rear of the housing. A light conductor cable (20) contains at least one light conductor (21) leading to the cushions. The helical spring element is of non-metallic material. It is made of an elastomer, pref. of silicon. USE/ADVANTAGE - The sensor carrier is in the form of a clamp.

EINGRIFFSFREIE MESSUNG DER BLUTGLUKOSE

LEBENDFINGERNACHWEIS DURCH VIER-PUNKTE-MESSUNG DER KOMPLEXEN IMPEDANZ

Fingersensor zur Pulsoxymetrie.

Device for measuring the gas content of blood flowing through a body region of a living creature (organism)

The device has a holding device and two carriers, which are detachably mounted thereon and each have a measurement head (23). Each of the latter has an optoreceiver (33), light sources which serve to transmit light signals having different wavelengths, and at least one radiator (39) for the purpose of heating by the irradiation of waves the region of the body and, in particular of the skin where measurements are made during a measurement of the oxygen saturation of the blood. If the two measurement heads (23) are arranged during measurement on mutually averted sides of a body part (1), each optoreceiver (33) can pick up both reflected light backscattered in the body part (1) and transmitted light penetrating said part, and this gives a high accuracy of measurement. The power of the waves transmitted by the radiator (39) is regulated by a pulse width regulation in such a way that a magnitude which provides a measure for the changes, caused by the pulse, in the intensity of light which reaches ...

Verfahren und Vorrichtung zur Lebenszeichenüberwachung

Verfahren zur Konfiguration eines Sensors für reflektiertes Licht

Device for measuring physiological parameters i.e. oxygen saturation, in blood of patient in hospital, has transmission and receiving units with cap elements that are sterilized by superheated steam and optically permeable in relevant area

The device has a pulse oximeter oxygen saturation sensor (1), signal and supply lines and a connection element. The sensor has a transmission unit (1.1) with two light emitting transmission elements (3) and ceramic cap elements (2), and a receiving unit (1.2) with light-detecting receiving elements (3.2) and cap elements (2.1), which are sterilized by superheated steam. The cap elements are optically permeable in a relevant area, and are formed by a cast material. Materials of the transmission unit, receiving unit and the cap elements have same temperature extension-coefficient.

Sonde, angepasst zum Einsatz mit einem Pulsoximeter

Es wird eine Sonde offenbart, welche angepasst ist, um mit einem Pulsoximeter verwendet zu werden. Ein flexibles erstes Gehäuse ist angepasst, um mit mindestens einem Nagel eines Fingers oder eines Zehs eines Patienten in Kontakt gebracht zu werden. Ein flexibles zweites Gehäuse ist angepasst, um mit mindestens einer Spitze des Fingers oder des Zehs in Kontakt gebracht zu werden. Ein flexibles Verbindungsteil verbindet das erste Gehäuse und das zweite Gehäuse, und ist angepasst, um ein Spitzenende des Nagels zu bedecken. Ein lichtemittierendes Element ist auf einem von dem ersten Gehäuse und dem zweiten Gehäuse vorgesehen. Ein lichtempfangendes Element ist auf dem anderen von dem ersten Gehäuse und dem zweiten Gehäuse vorgesehen.

Pulswellenmessgerät

Pulsoximetersensor mit einem breiteren Band

Hinge clamp mechanism

A hinge clamp mechanism and sensor carried thereon for performing pulse oximetry tests, as well as for performing other diagnostic procedures that can be conducted on a human body part, such as a finger. Clamp portions 1 and 2 are guided by a pin and slot mechanism 4, 5 about a pivotal connection between parts 6 and 7 and a spring 3 acts to urge the portions together. The parts 6, 7 are separable to allow the clamp portions to lie parallel (Fig 1B) and to evenly distribute the gripping pressure of the device over the upper and lower surfaces of the body part. ...

Device for monitoring the presence of a person using proximity induced dielectric shift sensing

RELAXOMETRIC SENSOR

Method of measuring a person's aortic blood pressure

A method of measuring a person's 2 aortic blood pressure comprises utilising a photoplethysmograph at an extremity 10 of the person in order to obtain the shape of a blood pressure pulse at the extremity 10, applying a mathematical algorithm to the shape of the blood pressure pulse at the extremity 10 in order to calculate what the shape of the aortic blood pressure pulse would be, externally measuring the person's 2 blood pressure with a sphygmomanometer 16 and using the measurement of the external blood pressure with the calculated shape of the blood pressure pulse at the heart in order to determine the pressure waveform at the person's heart and thereby to obtain the person's aortic blood pressure without invasive action.

System and method for digital monitoring of sleep apnea

A system and method for digital monitoring of sleep apnea using non-invasive means for evaluating and accompanying obstructive sleep apnea by counting the number of oxygen desaturations, comprising a sensor (11) installed on the patient's finger, formed of an oximeter and an actigraph, a mobile telecommunications terminal (13) provided with a first application for interaction with said sensor and a remote server (16) provided with software for the final processing of the set of values measured by said sensor, wherein communication among the sensor, mobile terminal and remote server is provided by radiofrequency links. In addition, it is possible to monitor the patient's heart rate, body position, respiratory rate and snoring, which is captured by the microphone (14) of the mobile terminal and preprocessed therein. The result of the processing performed in the remote server can be shown in the form of a graph and/or report.

A portable monitoring device

A portable device and method for monitoring breathing rates, cardiovascular, heart or pulse rate, comprising a body with at least one clothing attachment means 60, a touchscreen display 1, a micro-processor, an audible output device and a timer; wherein the micro-processor is arranged to calibrate inputs on the touchscreen in relation to data pre-stored on the timer. Inputs of touches on the touchscreen may be analysed to calculate the rates by the micro-processor. In embodiments, a user presses the touch screen to indicate when an event, such as a heartbeat or breath, has occurred and the device times when the presses occur and/or the intervals of time between presses.

TURN OUT FOR THE MEASUREMENT OF THE DIMENSIONS OF THE GROPE-CASH UPPERFLAT OF THE PROSTATE GLAND

CARRIER UNIT FOR HOLDING A MEASURE AT A HAND

WAVELETBASIERTE ANALYSIS OF PULSOXIMETRIESIGNALEN

PROCEDURE AND DEVICE FOR THE EVALUATION AND PROCESSING OF PHOTOPLETHYSMOGRAFI SIGNALS BY WAVE TRANSFORMATION ANALYSIS

STEREO PULSE OF OXIMETER

SENSOR ARRANGEMENT AND PROCEDURE FOR THE DETERMINATION OF THE CONDITION OF A STRUCTURE

MEASURING DEVICE AND PROCEDURE FOR THE DETERMINATION OF THE ACTIVITY STATUS OF INITIALKARIÖSER FUSION LESIONS

ELECTRODE ARRANGEMENT AND MEASURING DEVICE FOR THE MEASUREMENT OF THE ELECTRICAL ACTIVITY IN AN ELECTRICALLY ACTIVE FABRIC

CONTACTLESS BREATHING MONITORING OF A PATIENT AND OPTICAL SENSOR FOR A PHOTOPLETHYSMOGRAPHIE MEASUREMENT

VOLUME-SPECIFIC CHARACTERISATION OF THE HUMAN SKIN BY ELECTRICAL ONES IMMITANZMESSUNG

BOOKLET-CASH PULSE OF OXIMETERFÜHLER WITH RE-USABLE PART

MECHANICALLY CONTROLLABLE ONE MINIATURE ULTRASONIC PROBE.

DEVICE TO THE DIAGNOSIS AND QUANTITATIVE ANALYSIS OF APNOE AND FOR THE SIMULTANEOUS STATEMENT OF OTHER ILLNESSES

RE-USABLE ONE AND EXPENDABLE PULSOXIMETRIESENSOR

DEVICE FOR THE MEASUREMENT OF THE CONCENTRATION OF GLUCOSE OR OTHER SUBSTANCES IN BLOOD

OPTICAL DEVICE FOR NICHTINVASIVEN THE MEASUREMENT OF BLOOD-RELATIVE SIGNALS OF MEANS OF A FINGER OWNER

MORE OXIMETER WITH SOURCE OF LIGHT AND INFORMATIONSELEMENT

LOW-NOISE OPTICAL SENSOR

SENSOR TO THE BLOOD ANALYSIS OPTICAL TO THE MOVEMENT ADJUSTMENT NON INVASIVEN

LOW-NOISE OPTICAL TRANSDUCER

ENHANCED ARTERIAL OXYGEN SATURATION DETERMINATION AND ARTERIAL BLOOD PRESSURE MONITORING

Fingertip surgical instruments

PHOTOPLETHYSMOGRAPH SIGNAL-TO-NOISE ENHANCEMENT

Stacked adhesive optical sensor

Method and apparatus for exercise monitoring combining exercise monitoring and visual data with wireless internet connectivity

H:\der l.merno.,en\NRPorbl\DCC\DER"l0191458_1.docx-31I/05/2016 A wireless internet system for monitoring exercise or fitness, connected in optional wireless communication with a network, comprising: a monitoring device configured to be carried by a user on their person, the monitoring device concurrently measuring two exercise parameters, and including: a first connection to a first sensor, the first connection for receiving a first exercise parameter, wherein the first sensor is a heart rate sensor and the first exercise parameter is heart rate during exercise; a second connection to a second sensor, the second connection for receiving a second exercise parameter, wherein the second sensor is an accelerometer or GPS device and the second exercise parameter is the amount of exercise activity performed; and a data port; and a wireless internet device, also configured to be carried on a person, the wireless internet device including: an integral camera; a first port for receiving exercise ...

Method and apparatus for exercise monitoring combining exercise monitoring and visual data with wireless internet connectivity

Embodiments of the invention provide a method and apparatus for a wireless exercise monitoring system for interactively monitoring an aspect of exercise, nutrition, or fitness by connecting a wireless internet device to or with a digital camera and/or an exercise monitoring device. Exercise-related data and/or visual information from the camera is transmitted to a server using standard internet protocols and may be integrated with various operating systems for mobile wireless devices, especially those with enhanced capabilities for handing images and visual data. Responses may be calculated and transmitted back to a user, trainer, or coach.

Manual and automatic probe calibration

Method and apparatus for non-invasive analysis of blood glucose

Manual and automatic probe calibration

DIAGNOSING MEDICAL CONDITIONS BY MONITORING PERIPHERAL ARTERIAL TONE

A method and apparatus for non-invasively determining the physiological condition of endothelial dysfunction (ED), hypopnea, or upper airway resistance syndrome (UARS) by: monitoring peripheral arterial tone using an external sensor; detecting a change in the peripheral arterial tone; and determining the physiological condition when a specific change in the peripheral arterial tone has been detected.

ULTRASONIC DEVICE FOR COSMETOLOGICAL HUMAN NAIL APPLICATIONS

An ultrasonic device evaluates the sound velocity of a nail to determine the overall health of a patient and to monitor cosmetological effects of cer tain products on the nail. The ultrasonic device includes a handhold probe h aving an piezoelectric transducer encased in cover that emits high-frequency ultrasonic impulses directed towards the nail. The nail reflects returning ultrasonic echoes back to the piezoelectric transducer. The returning ultras onic echoes vibrate the piezoelectric transducer. A processor of a computer converts the vibrations into electrical pulses. The processor evaluates ampl itude values of the electrical pulses to determine the parameters of the hum an nail, including the thickness, density and elasticity. The parameters are displayed on a display and analyzed by a technician to determine the nail c ondition. The health of the person or the effect of products on the nail can be determined based on the nail parameters.

COMBINED PHYSIOLOGICAL SENSOR SYSTEMS AND METHODS

A combined physiological sensor and methods for detecting one or more physiological characteristics of a subject are provided. The combined sensor (e.g., a forehead sensor) may be used to detect and/or calculate at least one of a pulse blood oxygen saturation level, a regional blood oxygen saturation level, a respiration rate, blood pressure, an electrical physiological signal (EPS), a pulse transit time (PTT), body temperature associated with the subject, a depth of consciousness (DOC) measurement, any other suitable physiological parameter, and any suitable combination thereof. The combined sensor may include a variety of individual sensors, such as electrodes, optical detectors, optical emitters, temperature sensors, and/or other suitable sensors, The sensors may be advantageously positioned in accordance with a number of different geometries. The combined sensor may also be coupled to a monitoring device, which may receive and/or process one or more output signals from the individual ...

PHYSIOLOGICAL MONITORING USING WRIST-MOUNTED DEVICE

A wrist-mounted device (50) for assisting a person to maintain a calorie balance goal comprises; a processor (10), a display (12), a barcode reader (20), input mechanisms for active (82) and resting states (00), a blood glucose sensor (20), and a communications network (250).

METHOD AND APPARATUS FOR NON-INVASIVELY EVALUATING ENDOTHELIAL ACTIVITY IN A PATIENT

A method and apparatus for non-invasively evaluating endothelial activity in a patient, particularly for indicating the presence of an endothelial dysfunction condition, by applying an occluding pressure to a predetermined part of an arm or leg of the patient to occlude arterial blood flow therein; maintaining the occluding pressure for a predetermined time period; removing the occluding pressure after the elapse of the predetermined time period to restore arterial blood flow; monitoring a digit of the arm or leg by a digit- probe for changes in the peripheral arterial tone therein before and after the application of the occluding pressure to the arm or leg of the patient; and utilizing any detected changes in the peripheral arterial tone for evaluating endothelial activity in the patient. Particularly important advantages are provided when the occluding cuff is applied to the digit of the patient receiving the monitoring digit-probe, on the proximal side thereof with respect to the patient's ...

COMBINATION FINGERPRINT AND OXIMETRY DEVICE

Incorporated to a finger grip device (2) are an oximeter (16) that measures the SP02 of the patient and a fingerprint sensor (18) for sensing the fingerprint of the finger from which the SP02 is measured. The sensed fingerprint is used to identify the patient. By thus establishing the identity of the patient, the measured SP02 could readily be associated with the patient and appropriately displayed and stored, either at the patient site or remotely. The monitored data could also be readily associated with records of the patient and other physiological could data of the patient that may have been prestored in the controller to which the finger grip device is connected, or in a memory at a remote location. Mistakes in patient identification and the correspondence of wrong patient data to patients are thereby substantially reduced if not eliminated.

METHODS AND APPRATUS FOR NON-INVASIVE DETERMINATION OF PATIENT'S BLOOD CONDITIONS

A method and apparatus are presented for non-invasive determination of blood clotting related and blood circulation related parameters of a mammal. At least one stimulus ST is non-invasively induced in a blood containing medium in the mammal for a preset period of time tST. This at least one stimulus is selected to cause at least one of the following to occur: (a) inducing at least two of three Virchow's triad elements including abnormalities of blood flow; abnormalities of blood constituents and abnormalities of the blood vessel wall, and (b) inducing local blood viscosity. Measurements are non- invasively performed at a measurement location in the mammal by applying an external field thereto for a preset time period tm, a response of the measurement location to the applied field is detected, and measured data indicative thereof generated. At least a portion of the measured data and stimulus related data are processed so as to determine a relation between a time function of the at least ...

PROCESSING AND DETECTING BASELINE CHANGES IN SIGNALS

According to embodiments, systems and methods for detecting the occurrence of events from a signal are provided. A signal processing system may analyze baseline changes and changes in signal characteristics to detect events from a signal. The system may also detect events by analyzing energy parameters and artifacts in a scalogram of the signal. Further, the system may detect events by analyzing both the signal and its corresponding scalogram.

HUMAN BREATHING MONITOR

A method and device (10) are provided for monitoring regular movement of the body (20) of a human subject, such as an infant. The device (10) includes electronic circuitry, an alarm and attachment means (14) for attaching to the subject's body (18), a first non-contact proximity sensor (22), and a second proximity sensor. When the device (10) is attached to the subject's body, the two proximity sensors (22,24) monitor movement of the subject's body in two sensor zones a first sensor zone (23) and a second sensor zone (25) that is father from the device than the first sensor zone( 23). If a pattern in the distances monitored in either sensor (22,24) changes by a predetermined extent, that alarm is activated.

LOW NOISE OPTICAL PROBE

... 2105681 9216142 PCTABS00016 An optical probe (100) which is particularly suited to reduce noise in measruements taken on an easily compressible material, such as a finger, a toe, a forehead, an earlobe, or a lip. The probe includes a base (110) having an aperture (120) which leads to a chamber (122). The base is placed adjacent a portion of the material, the chamber being placed directly adjacent any easily compressible portion of the material. A photodetector (126) is located within the chamber and does not contact the material. A light emitting diode (LED) (130) is affixed to the material, opposite the photodetector and above the chamber. The material which is supported by the aperture and therefore rests above or has intruded into the chamber is inhibited from compression since nothing comes in contact with this portion of the material, even when the material moves. Thus, light from the LED is directed through a stabilized portion of the material, such that the optical path length through ...

Arterial Blood Monitoring Probe

METHOD AND APPARATUS FOR ANALYTICAL DETERMINATION OF GLUCOSEIN A BIOLOGICAL MATRIX

Method for determination of the concentration of glucose in a biological matrix, comprising at least two detection measurements, in which light is irradiated as primary light into the biological matrix, propagated along a light path in the biological matrix and the intensity of the emergent secondary light is measured, and an evaluation step, in which the glucose concentration is deduced from the measured intensities of the detection measurements with the aid of an evaluation algorithm and a calibration. Good analytical accuracy is achieved with simple means. in that at least one detection measurement is a spatially resolved measurement of multiply scattered light in which primary light is irradiated into the biological matrix at a defined input irradiation site, the intensity of the secondary light emerging from the biological matrix at a defined detection site is measured and the detection site is located relative to the input irradiation site so that light intensively scattered at scattering ...

ACTIVE PULSE BLOOD CONSTITUENT MONITORING

L'invention se rapporte à un système de contrôle de la glycémie (100), qui permet d'induire une impulsion active dans la circulation sanguine d'un patient. L'induction de cette impulsion se traduit par une modification cyclique et périodique du courant sanguin dans un milieu constitué de chair (310) placé sous contrôle. En induisant activement une modification de la circulation sanguine, il est possible de moduler le volume de sang afin d'entraîner une augmentation du rapport signal/bruit. Cela permet de détecter les constituants du sang à des niveaux de concentration inférieurs aux niveaux décelés antérieurement avec un système non invasif. Le rayonnement qui traverse le milieu constitué de chair est décelé par un détecteur (320) qui engendre un signal indiquant l'intensité du rayonnement décelé. Un traitement est appliqué aux signaux électriques afin d'isoler les charactéristiques optiques des signaux électriques en question qui sont imputables aux charactéristiques optiques du sang.

A method and system for automatic selection of physical exercises.

La présente invention concerne un procédé de sélection automatique dexercices à proposer à un utilisateur (7) portant un dispositif mobile (5) comprenant un processeur, lutilisateur (7) portant également un capteur de mouvement, par exemple un accéléromètre (3) configuré pour communiquer avec le dispositif mobile (5). Le procédé comprend les étapes suivantes: classification dune collection prédéfinie dexercices dans une base de données; sélection automatique par le dispositif mobile (5) et/ou par laccéléromètre (3), cette sélection tenant en considération au moins un feedback de lutilisateur. Le feedback indique la sensation de lutilisateur (7) pendant lexécution dun exercice.

MECHANISM FOR THE OPTICAL MEASUREMENT OF THE OXYGEN SAE OF BLOOD.

Personal pulse monitor with opto-electronic detector on headband - produces audible signal of excessive or deficient rate of interruption of light by auricular blood flow

ON the inside of the headband a pulse detector is constituted by a light source (e.g. LED) on one branch and a photodetector on the other branch of a fork fitted over the top of an ear. Electrical impulses produced in response to the pulsation of blood conveyed by wire to a monitoring circuit. (3). An audible signal is emitted by a transducer whenever the pulse rate varies outside a preset range (e.g. 100 to 160 beats per minute). The headband ensures uninterupted contact between the electronic components and gth ear. USE/ADVANTAGE - For participants in athletic sports. Device is worn comfortably where headband overlaps lobe of ear. Its operation is not perturbed by interference through intermittent contact.

Method and augmented reality system implementing such a method.

L’invention concerne une méthode de réalité virtuelle destinée à être mise en œuvre dans un système de réalité virtuelle, la méthode comprenant la production d’un stimuli dans le système pendant une période de stimulation, le stimuli comprenant: une projection d’une séquence d’images (I1); une production d’un premier signal sonore (S1) comprenant une bande sonore liée au déroulement de la séquence d’images (I1); une production d’un second signal sonore (S2) ayant une première fréquence et d’un troisième signal sonore (S3) ayant une seconde fréquence, le second signal sonore étant audible d’une oreille et le troisième signal sonore étant audible de l’autre oreille de l’utilisateur; une production d’un quatrième signal sonore (S4) comprenant un exposé oratoire; pendant une portion initiale (ti) de ladite période prédéterminée, le stimuli comprenant en outre un signal d’induction (S5, L); et pendant une portion finale (tf) de ladite période prédéterminée, l’intensité des signaux sonores (S1 ...

Medical sensor and technique for using the same

A unitary sensor is provided that includes a frame upon which electrical and optical components may be disposed and a coating, such as an overmolded coating provided about the frame. The unitary sensor includes a spring, such as a flat spring or torsion spring, provided on the frame that provides a closing force for the sensor. The sensor may be placed on a patient's finger, toe, ear, and so forth to obtain pulse oximetry or other physiological measurements.

An arrangement for providing a constant contact pressure for a probe

Method and system for non-invasive optical blood glucose detection utilizing spectral data analysis

Apparatus for obtaining organism information and method thereof

An apparatus for obtaining oxygen-saturation information includes a light-emitting unit configured to emit light, an image-capturing unit configured to capture images, in time sequence, obtained by irradiating a living body with the light emitted and by causing the light to be transmitted through or reflected by the living body, the image-capturing unit being sensitive to at least two color components, an extreme generation unit configure to generate, for each of the captured images in the time sequence, a maximum value and a minimum value of each of the color components in a certain area of the captured image, and an oxygen-saturation calculation unit configured to calculate oxygen saturation on the basis of the maximum value and the minimum value of each of the color components in the certain area of the captured image.

TRANSMITTER OF THE MUSCULAR DEGREE OF RELIEVING

EXTENSOMETRE ET PROCEDE POUR DETECTER LA DEFORMATION D'UN ELEMENT ALLONGEABLE

LA PRESENTE INVENTION CONCERNE UN EXTENSOMETRE POUR DETECTER L'ALLONGEMENT D'UN ELEMENT ALLONGEABLE. IL COMPORTE AU MOINS UN ORGANE FLEXIBLE 11 PORTANT UNE JAUGE DE CONTRAINTE SERVANT A MESURER LE FLECHISSEMENT DE L'ORGANE FLEXIBLE PAR RESSORT A SA CONFIGURATION NORMALE. L'ORGANE FLEXIBLE A UNE EXTREMITE LIBRE 13 ET EST FIXE A SON AUTRE EXTREMITE A UNE BASE SUPPORT 15. UN ORGANE DE SERRAGE 30 EST PREVU POUR RETENIR L'EXTREMITE LIBRE DE L'ORGANE FLEXIBLE EN APPUI CONTRE L'ELEMENT ALLONGEABLE 31 TOUT EN MAINTENANT LA BASE SUPPORT STATIONNAIRE PAR RAPPORT A CET ELEMENT DE SORTE QUE L'ALLONGEMENT DE L'ELEMENT EST DETECTE PAR LA DEFORMATION DE L'ORGANE FLEXIBLE. APPLICATION A LA DETECTION DE LIGAMENTS TRAUMATISES.

Finger temperature indicator for indicating physical and mentally relaxed state

Bague d'indication de température de doigt à des fins principalement médicales. Cette bague comprend une tige (14) conductrice de la chaleur en un matériau de forte conductibilité thermique, tel que le platine, et dont l'extrémité inférieure découverte est en contact avec le doigt de la personne portant cette bague. La température du doigt est transmise à une thermistance (41) et provoque l'actionnement d'un circuit qui convertit la valeur de la température en un signal envoyé à un élément indicateur que comporte la bague. Grâce à un bouton de commutation (31), le signal peut être présenté à la personne portant la bague sélectivement de différentes manières afin qu'il lui soit rappelé en permanence de se détendre et qu'elle soit encouragée en ce sens pour éliminer le stress physique ou mental.

EXTENSOMETER AND a METHOD FOR DETECTING the DEFORMATION Of an EXTENSIBLE ELEMENT

OXYGEN SATURATION SENSOR UNIT, AND DEVICE FOR MEASURING OXYGEN SATURATION CONTAINING SAME

The present invention relates to an oxygen saturation sensor unit comprising: a sensor housing comprising at least one sensor for measuring oxygen saturation; and a holder unit for mounting the sensor housing on the body of the person to be measured, and the holder unit is detachably coupled to the sensor housing by Velcro coupling. According to the present invention, the infection of bacteria and the like through the holder unit is prevented due to the repeated use of the sensor housing and the replacement of the holder unit having a chance to be contaminated by even one use, the holder unit and the sensor housing can be easily attached and detached by simple operation due to the coupling of the holder unit and the sensor housing by Velcro, and the cost for manufacturing and purchasing the oxygen saturation sensor unit can be reduced by mutually attaching or detaching the sensor housing and the holder unit by using cheap Velcro.

EEG MONITORING SYSTEM AND METHOD OF MONITORING AN EEG

BODY COMPOSITION MESUREMENT USING CLAMP ELECTRODE

An object of the present invention is to provide a clamp electrode device capable of accurately measuring the electrical impedance value of the body. A clamp electrode device according to the present invention includes a first clamp, a second clamp, a first electrode, and a second electrode. Each of the first clamp and the second clamp includes an upper clamping blade and a lower clamping blade. The upper clamping blade and the lower clamping blade are connected to each other and can move relative to each other so that a specific portion of the limb of an object to be inspected is held between the upper clamping blade and the lower clamping blade to thereby allow the first and second clamps to be installed thereon. The first clamp and the second clamp are connected to each other to form one integrated device. The first electrode is attached to the inner surface of one of the first clamp and the second clamp and contacts the first skin surface of the specific part when the first clamp and ...

APPARATUS FOR MAKING HIGH-SENSITIVITY MEASUREMENTS OF VARIOUS PARAMETERS, AND SENSORS PARTICULARLY USEFUL IN SUCH APPARATUS

A sensor for sensing a predetermined parameter having a known relationship with respect to the transit time of an energy wave through a medium, includes a body of soft elastomeric material having high transmissivity and low attenuation properties with respect to the energy waves; and a transmitter and receiver carried by the body in spaced relation to each other such that the energy waves received by the receiver are those transmitted by the transmitter after having traversed at least a portion of the body of soft elastomeric material. The transit time of the energy wave through the elastomeric body is measured to produce a measurement of the predetermined parameter. In the described preferred embodiments, the energy wave is a sonic wave, such that the body of soft elastomeric material serves as an acoustical channel between the transmitter and receiver. © KIPO & WIPO 2007 ...

COMBINATION FINGERPRINT AND OXIMETRY DEVICE

Incorporated to a finger grip device (2) are an oximeter (16) that measures the SP02 of the patient and a fingerprint sensor (18) for sensing the fingerprint of the finger from which the SP02 is measured. The sensed fingerprint is used to identify the patient. By thus establishing the identity of the patient, the measured SP02 could readily be associated with the patient and appropriately displayed and stored, either at the patient site or remotely. The monitored data could also be readily associated with records of the patient and other physiological could data of the patient that may have been prestored in the controller to which the finger grip device is connected, or in a memory at a remote location. Mistakes in patient identification and the correspondence of wrong patient data to patients are thereby substantially reduced if not eliminated. © KIPO & WIPO 2007 ...

Bi-stable medical sensor and technique for using the same

A bi-stable sensor is provided that includes a frame upon which electrical and optical components may be disposed and a coating, such as an overmold coating, provided about the frame. A resistance-providing component is provided integral with or external to the coated bi-stable sensor such that the bi-stable sensor has two mechanically stable configurations that may be transitioned between by overcoming the resistance provided by the resistance-providing component and/or the by the coating. In one embodiment, the resistance-providing component comprises an elastic band provided about a hinge of the frame, either within or external to the coating. In one embodiment, the sensor may be placed on a patient's finger, toe, ear, and so forth to obtain pulse oximetry or other physiological measurements.

System and method for in-vivo hematocrit measurement using impedance and pressure plethysmography

Assemblages for noninvasively measuring the hematocrit of blood (i.e., the percentage of whole blood volume occupied by red blood cells) through a body part, such as a finger, of an individual. Each of the assemblages includes two pairs of electrodes (20). The electrodes (20) of the assemblage may be carried upon a substrate (32) (Fig. 4). An assemblage of the invention may include a retention component (27) (Fig. 2) for securing the electrodes to the body part. A pressurization component (50) (Fig. 8) may be included to apply pressure externally to the body part.

MEDICAL SENSOR FOR REDUCING SIGNAL ARTIFACTS AND TECHNIQUE FOR USING THE SAME

A sensor may be adapted to reduce motion artifacts by mitigating the effects of the tissue moving within the sensor. A sensor is provided with an elastic sensor body adapted to accommodate patient motion. Further, a sensor is provided in which the sensor cable is arranged to mitigate its pressure on a patient's tissue.

OPTICALLY ALIGNED PULSE OXIMETRY SENSOR

A physiological sensor is provided that includes an emitter and detector disposed on a frame such that the emitter and detector define an optical axis. The frame includes one or more pair of flexible elements disposed generally symmetric relative to the optical axis. In one embodiment, the emitter and detector remain aligned when moved relative to one another along the optical axis.

UMBILICAL PROBE MEASUREMENT SYSTEMS

An umbilical probe sensing system is described which includes an automated system for accurately obtaining physiological information from an infant in real time. The system may also automatically guide a healthcare provider with a recommended course of treatment for infant resuscitation based on the detected and monitored physiological data. Moreover, the automated system may also provide a real time record of the infant's physiological parameters and resuscitation treatment performed by a healthcare team.

AN ARRANGEMENT FOR PROVIDING A CONSTANT CONTACT PRESSURE FOR A PROBE

The invention relates to an arrangement for providing a constant contact pressure for a probe to a finger of a patient, including a housing having a top position and a side portion to support said top portion, said top portion having a thickness defined by a top surface and a base of said top portion, said top portion having a bore extending through, the top portion, said bore dimensioned to slidably receive a probe, said probe having a probe tip, a channel extending substantially perpendicular and on a same plane to said bore, said channel sized to receive a finger of a patient, wherein the probe further includes a collar positioned along the probe such that at rest, the collar is in contact with the top surface of the top portion of the housing, and the probe tip extends a distance from the base of the top portion, and into the channel.

SYSTEM AND METHOD FOR IN-VIVO HEMATOCRIT MEASUREMENT USING IMPEDANCE AND PRESSURE PLETHYSMOGRAPHY

Assemblages for noninvasively measuring the hematocrit of blood i.e., the percentage of whole blood volume occupied by red blood cells) through a body part, such as a finger, of an individual. Each of the assemblages includes two pairs of electrodes (20). The electrodes (20) of the assemblage may be carried upon a substrate (32) (fig. 4). An assemblage of the invention may include a retention component (27) (fig. 2) for securing the electrodes to the body part. A pressurization component (50) (fig.8) may be included to apply pressure externally to the body part.

DEVICE AND METHOD FOR MEASURING FETAL BLOOD PH

A hand-mounted device for obtaining a sample of blood from the scalp of a fetus and for measuring the pH of the blood sample includes a lancet for incising the scalp of the fetus, a capillary for obtaining a drop-sized sample of blood and a pH electrode within the capillary for analyzing the pH of the blood. Optionally, a motorized actuator may be provided for automatically advancing and withdrawing the lancet and the capillary. The pH measuring device includes an isolating mechanism, in the form of an everting bell-shaped member, an inflatable balloon member or an expandable funnel member, and a flushing/aspiration lumen, for clearing the distal region of the device of amniotic fluid while in use.

APPARATUS AND METHOD OF HOLDING AND MANIPULATING SMALL ULTRASOUND TRANSDUCERS

An apparatus (40) and method for holding and manipulating a miniaturized ultrasound transducer (42) includes a flexible member (44), a retaining member (46), and a control member (48). The miniaturized ultrasound transducer (42) is mounted on the flexible member (44) proximate a distal end of the flexible member. The retaining member (46) retains the flexible member (44) proximate the distal end of the flexible member (44). The control member (48) is coupled to the retaining member (46) and is operable to move the retained flexible member (44) and ultrasound transducer (42) to optimize ultrasound visualization.

ENCRYPTION INTERFACE CABLE

An interface cable (700) is configured to connect a host instrument (610) to a physiological sensor (660). The interface cable (700) has an ID signal input from the sensor (660) and a LED drive signal input from the host instrument sensor port. The interface (700) cable also has a data signal output to the host instrument sensor port. The LED drive signal (702) and the data signal (704) provide an encrypted handshake to and from the host instrument (610). The handshake is responsive to the ID signal (708) so as to enable normal operation of the host instrument (610) and the sensor (660).

APPARATUSES AND METHODS FOR NON-INVASIVELY MONITORING BLOOD PARAMETERS

An apparatus for monitoring vital sign parameters in a biological entity is disclosed. In an embodiment, the apparatus includes at least one light source for transmitting light through the biological entity and at least one photodetector for receiving light transmitted through the biological entity. At least one light source and at least one photodetector are configured to be positioned proximate the biological entity in a manner that does not significantly impede blood flow through the biological entity. A signal is generated in response to the transmittance or reflectance of light through the biological entity. The signal corresponds to at least one characteristic of the generally unimpeded blood flow through the biological entity. The apparatus also includes a control system configured to analyze the signal to determine vital sign parameters in the biological entity. A method for monitoring vital sign parameters in a biological entity is also provided.

MONITORING CALORIC EXPENDITURE RATE AND CALORIC DIET

La présente invention concerne un appareil de surveillance du taux de dépense calorique d'une personne, qui comprend: un détecteur de taux de dépense calorique permettant de détecter et de mesurer le taux de dépense calorique d'une personne, un détecteur d'activité corporelle permettant de détecter et de mesurer l'activité corporelle d'une personne, et un processeur permettant de stocker un taux de dépense calorique et de mesurer en même temps l'activité corporelle déployée par chacune des différentes activités corporelles d'une pluralité d'activités et chacun des taux d'activité, de façon à permettre ensuite de transformer chacune de ces mesures d'activité corporelle en taux de dépense calorique de la personne respective.

MEDICAL SENSOR AND TECHNIQUE FOR USING THE SAME

A unitary sensor is provided that includes a frame upon which electrical and optical components may be disposed and a coating, such as an overmolded coating provided about the frame.' The unitary sensor includes a spring, such as a flat spring or torsion spring, provided on the frame that provides a closing force for the sensor. The sensor may be placed on a patient's finger, toe, ear, and so forth to obtain pulse oximetry or other physiological measurements.

TACTILE SENSE DETECTOR, TACTILE SENSE NOTIFICATION UNIT, INFORMATION INPUT UNIT, TACTILE SENSE REPRODUCTION UNIT, TACTILE SENSE TRANSMISSION SYSTEM, PULSE EXAMINATION UNIT, PULSE EXAMINATION TEACHING UNIT AND PULSE EXAMINATION INFORMATION TRANSMISSION SYSTEM

When a person to be examined presses a pressure sensor (110) with a pulse wave detector (1) fitted to a finger tip, CPU (4) determines a DC component of a reception optical signal LS, and stores the DC component in a correction table (50) in conjunction with a pressure level. The CPU (4) then calculates threshold values, which constitute references used for a tactile sense grading operation, on the basis of a maximum value Pmax of the pressure level and what is stored in the correction table (50), and stores the results in a threshold value table (51). When the person then grips an object with fingers, a flow rate of blood is detected as a reception optical signal LS by the pulse wave detector (1). The CPU (4) calculates a DC component of the reception optical signal LS, compares the resultant DC component with each threshold value stored in the threshold table (51), generates tactile sense information SJ, and displays this information on a liquid crystal display (108). The pulse examination ...

METHOD FOR MEASURING BLOOD OXYGEN OF FINGERS AND FINGER GRIPPING OXIMETER

A method for measuring blood oxygen of fingers comprises the steps of: measuring blood oxygen content and finger temperature of a human; and providing corresponding prompts according to the measured blood oxygen content and finger temperature. A finger gripping oximeter comprises a control unit, a blood oxygen measuring unit, a finger temperature measuring unit, an output unit and a power management unit. The blood oxygen measuring unit measures blood oxygen content of a human according to instructions of the control unit, and sends the measured blood oxygen content value to the control unit. The finger temperature measuring unit measures finger temperature of the human according to instructions of the control unit, and sends the measured finger temperature value to the control unit. The control unit instructs the output unit to provide corresponding prompts according to the measured blood oxygen content value and finger temperature value.

CARDIOHEALTH METHODS AND APPARATUS

Methods and apparatus for improving measurements of cardiovascular health status in a given individual are provided. The comprehensive assessment of cardiovascular health includes at least two components: risk factor assessment based on epidemiologic studies and functional status of the individual. Structural studies of the individual can also be included in the comprehensive assessment of cardiovascular health. The invention aims to improve detection, treatment, devices, and administration of cardiovascular risk assessment.

OXIMETER SENSOR WITH FUNCTIONAL LINER

L'invention concerne une sonde (10) non invasive à capteur électro-optique perfectionnée, en forme de L, comprenant des organes mécaniques servant à positionner avec précision le capteur afin de pouvoir l'utiliser en contact avec un appendice du patient. Le capteur comprend également un organe de réglage entourant, au moins en partie, un élément saillant (22, 24) du capteur afin de minimiser la saillie de l'élément dans la peau du patient, et une enveloppe fonctionnelle (18) utilisée dans les essais préliminaires effectués sur le capteur avant de le positionner sur un patient.

Fluid titration system

A fluid titration system has an optical sensor, a physiological monitor, a titration controller and an infusion device. The optical sensor transmits multiple wavelengths of light into a tissue site of a person and detects the optical radiation after attenuation by pulsatile blood flowing within the tissue site. The physiological monitor receives a resulting sensor signal and derives a plethysmograph that corresponds to the pulsatile blood flow. The monitor also calculates a plethysmograph variability measure that is responsive to changes in perfusion at the tissue site. A titration controller generates a fluid control output according to the variability measure. The infusion device administers a liquid solution via an intravenous (IV) connection to the person according to the fluid control output so as to regulate at least one of a fluid flow start, rate and stop.

Clip-style medical sensor and technique for using the same

A clip-style pulse sensor may be adapted to apply limited, even pressure to a patient's tissue. A clip-style sensor is provided that reduces motion artifacts by exerting limited, uniform pressure to the patient tissue to reduce tissue exsanguination. Further, such a sensor provides a secure fit while avoiding discomfort for the wearer.

Body-worn sensor featuring a low-power processor and multi-sensor array for measuring blood pressure

A system is described that continuously measures a patient's blood pressure over a length of time. The system features a sensor assembly featuring a flexible cable configured to wrap around a portion of a patient's arm. The flexible cable features a back surface that includes at least two electrodes that are positioned to contact the patient's skin to generate electrical signals. It additionally features an optical sensor that includes at least one light source and at least one photodetector. These components form an optical sensor that is configured to generate an optical signal by detecting optical radiation emitted by the at least one light source and reflected from a blood vessel underneath the patient's skin.

Optical sensors for use in vital sign monitoring

The invention provides a body-worn system that continuously measures pulse oximetry and blood pressure, along with motion, posture, and activity level, from an ambulatory patient. The system features an oximetry probe that comfortably clips to the base of the patient's thumb, thereby freeing up their fingers for conventional activities in a hospital, such as reading and eating. The probe secures to the thumb and measures time-dependent signals corresponding to LEDs operating near 660 and 905 nm. Analog versions of these signals pass through a low-profile cable to a wrist-worn transceiver that encloses a processing unit. Also within the wrist-worn transceiver is an accelerometer, a wireless system that sends information through a network to a remote receiver, e.g. a computer located in a central nursing station.

Pulse Wave Detection Device and Pulse Wave Detection Method

A pulse wave detection device that includes a piezoelectric transducer acquiring the velocity pulse wave of a test subject and an information processing unit that processes the acquired velocity pulse wave and selectively detects regular velocity pulse wave data. The information processing unit acquires a differential waveform, extracts the extreme value of the velocity pulse wave, calculates the area value of a domain surrounded by the differential waveform and a reference line, compares the previous value and the current value of the extreme value with each other with respect to the velocity pulse waves chronologically adjacent to each other when the area value is greater than or equal to a predetermined value, and determines that the two velocity pulse waves are regular velocity pulse wave data when a difference between the two extreme values is less than or equal to a predetermined value.

Health monitoring appliance

A heart monitoring system for a patient includes one or more wireless nodes forming a wireless network; a wearable appliance having a wireless transceiver to communicate with the one or more wireless nodes; and an analyzer to determine vital signs, the analyzer coupled to the wireless transceiver to receive patient data over the wireless network.

Capillary refill time diagnostic apparatus and methods

An apparatus for measuring capillary refill time has a measurement module containing at least two radiation sources and at least one detector configured to detect radiation from each source that interacts with and is received from a measurement region of a patient or subject. One radiation source may be characterized by a wavelength that is absorbed substantially equally by oxyhemoglobin and deoxyhemoglobin. The other radiation source may be substantially unaffected by the presence or absence of blood in the measurement region. The measurement module may be applied against a measurement region of a patient for a first time period, and the released from the measurement region for a second time period, and detected signals processed to quantitatively evaluate capillary refill time.

Method of analyzing and processing signals

A physiological measurement system is disclosed which can take a pulse oximetry signal such as a photoplethysmogram from a patient and then analyse the signal to measure physiological parameters including respiration, pulse, oxygen saturation and movement. The system comprises a pulse oximeter which includes a light emitting device and a photodetector attachable to a subject to obtain a pulse oximetry signal; analogue to digital converter means arranged to convert said pulse oximetry signal into a digital pulse oximetry signal; signal processing means suitable to receive said digital pulse oximetry signal and arranged to decompose that signal by wavelet transform means; feature extraction means arranged to derive physiological information from the decomposed signal; an analyser component arranged to collect information from the feature extraction means; and data output means arranged in communication with the analyser component.

Optical sensor for measuring physiological properties

The invention provides a physiological probe that comfortably attaches to the base of the patient's thumb, thereby freeing up their fingers for conventional activities in a hospital, such as reading and eating. The probe, which comprises a separate cradle module and sensor module, secures to the thumb and measures time-dependent signals corresponding to LEDs operating near 660 and 905 nm. The cradle module, which contains elements subject to wear, is preferably provided as a disposable unit.

Method of analyzing and processing signals

A physiological measurement system is disclosed which can take a pulse oximetry signal such as a photoplethysmogram from a patient and then analyse the signal to measure physiological parameters including respiration, pulse, oxygen saturation and movement. The system comprises a pulse oximeter which includes a light emitting device and a photodetector attachable to a subject to obtain a pulse oximetry signal; analogue to digital converter means arranged to convert said pulse oximetry signal into a digital pulse oximetry signal; signal processing means suitable to receive said digital pulse oximetry signal and arranged to decompose that signal by wavelet transform means; feature extraction means arranged to derive physiological information from the decomposed signal; an analyser component arranged to collect information from the feature extraction means; and data output means arranged in communication with the analyser component.

Method of analyzing and processing signals

A physiological measurement system is disclosed which can take a pulse oximetry signal such as a photoplethysmogram from a patient and then analyse the signal to measure physiological parameters including respiration, pulse, oxygen saturation and movement. The system comprises a pulse oximeter which includes a light emitting device and a photodetector attachable to a subject to obtain a pulse oximetry signal; analogue to digital converter means arranged to convert said pulse oximetry signal into a digital pulse oximetry signal; signal processing means suitable to receive said digital pulse oximetry signal and arranged to decompose that signal by wavelet transform means; feature extraction means arranged to derive physiological information from the decomposed signal; an analyser component arranged to collect information from the feature extraction means; and data output means arranged in communication with the analyser component.

Portable monitoring devices and methods of operating same

The present inventions, in one aspect, are directed to a portable activity monitoring device to calculate a number of stairs or flights of stairs traversed by a user, the monitoring device comprising (i) a housing having a physical size and shape that is adapted to couple to the body of the user, (ii) an altitude sensor, disposed in the housing, to detect a change in altitude of the user and, in response thereto, to generate data which is representative of the change in altitude of the user, and (iii) processing circuitry, disposed in the housing and coupled to the motion sensor and the altitude sensor, to calculate a number of stairs or flights of stairs traversed by the user using the data which is representative of a change in altitude of the user.

Multiple wavelength sensor emitters

A physiological sensor has light emitting sources, each activated by addressing at least one row and at least one column of an electrical grid. The light emitting sources are capable of transmitting light of multiple wavelengths and a detector is responsive to the transmitted light after attenuation by body tissue.

CLIP SENSOR DEVICE FOR MEASUREMENT OF VITAL SIGNS

A clip sensor device for optical measuring vital signs of a subject is provided. The clip sensor device includes a internal supporting frame formed from an elongated plate configured to be folded into a desired orientation. A measuring probe is mounted on an upper surface of the frame. The measuring probe comprises a transmitter and receiver and configured for generating a time response of the blood perfused body tissue to the applied optical signal that is indicative of the vital signs of the subject. The clip sensor device also includes a pressing member mounted on the upper surface of the internal supporting frame. The pressing member includes one or more spring elements configured to provide a predetermined pressure on the blood perfused body tissue due to the deformation of the spring elements when said portion of blood perfused body tissue is applied against the pressing member. 1. A clip sensor device for optical measuring at least one vital sign of a subject , the clip sensor device comprising:a internal supporting frame configured to be folded into a desired orientation, and having an upper surface, an under surface, a right hand end, and a left hand end;a measuring probe mounted on the upper surface of the internal supporting frame and comprising a transmitter configured for generating an optical signal and emitting the optical signal outwardly away from the upper surface of the internal supporting frame towards a portion of blood perfused body tissue of the subject, and a receiver configured for receiving light originated from the portion of blood perfused body tissue and generating a photo current signal including a time response of the blood perfused body tissue to the applied optical signal, the time response is indicative of said at least one vital sign of the subject;a pressing member mounted on the upper surface of the internal supporting frame, said pressing member comprising at least one spring element configured to provide a predetermined ...

Fitness monitoring

A heart monitoring system for a user includes a body wearable appliance placed on or near the user skin and having one or more sensors to capture fitness data and a wireless transceiver to communicate fitness data; and a processor coupled to the wireless transceiver to receive fitness data.

Secondary-emitter sensor position indicator

A secondary-emitter sensor position indicator has primary emitters that transmit light having primary wavelengths and at least one secondary emitter that transmits light having at least one secondary wavelength. A detector outputs a sensor signal in response to received light. An attachment assembly, in a sensor-on condition, positions the emitters and detector relative to a tissue site so that the sensor signal is substantially responsive to the primary wavelength light after attenuation by pulsatile blood flow within the tissue site and is negligibly responsive to the secondary wavelength light. The attachment assembly, in a sensor out-of-position condition, positions the secondary emitter relative to the tissue site so that the sensor signal is at least partially responsive to the secondary wavelength.

In-vehicle electrocardiograph device and vehicle

An in-vehicle electrocardiograph device includes: a direct electrode that is used to detect an electric potential of a body of a vehicle occupant in a state in which the direct electrode contacts a skin of the occupant; a capacitive-coupled electrode that is used to detect the electric potential of the body of the occupant in a state in which the capacitive-coupled electrode does not contact the skin of the occupant; and an electrocardiographic waveform determination unit that determines an electrocardiographic waveform of the occupant based on an electric potential at the direct electrode and an electric potential at the capacitive-coupled electrode.

Physiological Measuring System Comprising a Garment in the Form of a Sleeve or Glove and Sensing Apparatus Incorporated in the Garment

A measuring system for measuring electrocardiogram signals comprises a diagnostic garment with ECG electrodes that may assume the form of a sleeve or glove. A disposable version of the glove can be inflated. By using an inflatable glove, the contour of the body is automatically matched by the contour of the glove. Samples from the ECG electrodes positioned on a diagnostic garment are compensated so that the samples better approximate samples from EEG electrodes that are positioned at classical locations. Also, samples from ECG electrodes are compensated to reduce signal noise resulting from positioning the ECG electrodes on the diagnostic garment.

Methods and Systems for Processing Social Interactive Data and Sharing of Tracked Activity Associated with Locations

A method includes determining a location of a first monitoring device used while performing an activity. The first monitoring device is worn by a first user. The method includes determining a location of a second monitoring device used while performing an activity. The second monitoring device is worn by a second user. The method further includes determining whether the locations of the first and second monitoring devices are within a range and whether the activities are similar. The method includes sending a prompt to the first monitoring device upon determining that the activities are similar and the locations are within the range. The prompt includes a request for permission from a first user account to allow a second user account to access information from the first user account regarding the activity performed using the first monitoring device.

Methods and systems for interactive goal setting and recommender using events having combined activity and location information

A method for generating recommendations for achieving goals is described. The method includes receiving a goal for a user account. The goal is associated with an activity that is trackable via a monitoring device. The method further includes receiving tracking data associated with the monitoring device. At least part of the tracking data is associated to the activity. The method includes receiving geo-location data associated with the monitoring device. The geo-location data is correlated to the tracking data. The method includes analyzing the received tracking data and geo-location data to characterize a current performance metric for the activity and generating a recommendation for the user account. The recommendation identifies the current performance metric and a suggested action and location for increasing the current performance metric to achieve the goal.

Activity meter

An activity meter includes an activity amount acquisition unit that acquires an amount of physical activity of a user, an activity age acquisition unit that acquires an activity age representing a standard age of a person who does a same amount of activity as the activity amount acquired in a unit period, using body information and a basal metabolic rate of the user, and an output processing unit that outputs information relating to the acquired activity age.

Methods and Systems for Geo-Location Optimized Tracking and Updating for Events Having Combined Activity and Location Information

A method includes obtaining a first geo-location and a second geo-location. The first and second geo-locations are associated with a monitoring device. The monitoring device is configured to be used by a user. The first geo-location is determined at a first time and the second geo-location is determined at a second time. The first time and the second time are associated with a rate of obtaining geo-location data. The method includes calculating a difference in distance between the second and first geo-locations and changing the rate of obtaining a third geo-location associated with the monitoring device based on the difference in distance between the second and first geo-locations.

Ear sensor

An ear sensor provides a sensor body having a base, legs extending from the base and an optical housing disposed at ends of the legs opposite the base. An optical assembly is disposed in the housing. The sensor body is flexed so as to position the housing over a concha site. The sensor body is unflexed so as to attach the housing to the concha site and position the optical assembly to illuminate the concha site. The optical assembly is configured to transmit optical radiation into concha site tissue and receive the optical radiation after attenuation by pulsatile blood flow within the tissue.

NON-INVASIVE PHYSIOLOGICAL SENSOR COVER

A sensor cover according to embodiments of the disclosure is capable of being used with a non-invasive physiological sensor, such as a pulse oximetry sensor. Certain embodiments of the sensor cover reduce or eliminate false readings from the sensor when the sensor is not in use, for example, by blocking a light detecting component of a pulse oximeter sensor when the pulse oximeter sensor is active but not in use. Further, embodiments of the sensor cover can prevent damage to the sensor. Additionally, embodiments of the sensor cover prevent contamination of the sensor. 1. (canceled)2. A method of providing a sensor cover for a noninvasive physiological sensor , the method comprising: an opaque portion attachable over a sensing portion of the sensor, the opaque portion configured to prevent the sensing portion from measuring a physiological variable; and', 'a connector for attaching the sensor cover to a sensor; and, 'providing a sensor cover comprisingattaching the sensor cover to the sensor, the sensor cover removable from the sensor,wherein the connector comprises one or more attachment arms.3. The method of claim 2 , wherein the opaque portion is made of a sound-deadening material claim 2 , the sound-deadening material configured to prevent the sensing portion of the sensor from measuring sound waves.4. The method of claim 2 , wherein the opaque portion is made of an insulating material claim 2 , the insulating material configured to prevent the sensing portion of the sensor from measuring electrical signals.5. The method of claim 2 , wherein the connector further comprises a surface of the cover frictionally engageable with the sensor.6. The method of claim 2 , wherein the sensor is at least one of a pulse oximeter sensor claim 2 , an acoustic sensor claim 2 , or a bioimpedance sensor.7. The method of claim 2 , wherein the sensor is a clip-type sensor.8. A method of providing a sensor cover for a noninvasive physiological sensor claim 2 , the method comprising: ...

WEARABLE MONITORING DEVICES WITH PASSIVE AND ACTIVE FILTERING

A wearable device includes a housing with a window and an electronic module supported by the housing. The electronic module includes a photoplethysmography sensor, a motion sensor, and a signal processor that processes signals from the motion sensor and signals from the photoplethysmography sensor. The signal processor is configured to remove frequency bands from the photoplethysmography sensor signals that are outside of a range of interest using a band-pass filter to produce pre-conditioned signals, and to further process the pre-conditioned signals using the motion sensor signals to reduce motion artifacts from footsteps during subject running. The device includes non-air light transmissive material in optical communication with the photoplethysmography sensor and the window that serves as a light guide for the photoplethysmography sensor. The window optically exposes the photoplethysmography sensor to a body of a subject wearing the device via the non-air light transmissive material. 1. An ear-worn device , comprising:a housing comprising at least one window;an electronic module supported by the housing, the electronic module comprising at least one photoplethysmography (PPG) sensor, at least one motion sensor, and at least one signal processor configured to process signals from the at least one motion sensor and signals from the at least one PPG sensor, wherein the at least one signal processor is configured to remove frequency bands from the signals from the at least one PPG sensor that are outside of a range of interest using at least one band-pass filter to produce pre-conditioned signals, and to further process the pre-conditioned signals using the signals from the at least one motion sensor to reduce motion artifacts from footsteps during subject running; andnon-air light transmissive material in optical communication with the at least one PPG sensor and the window that serves as a light guide for the at least one PPG sensor, wherein the at least one ...

USER-WORN DEVICE FOR NONINVASIVELY MEASURING A PHYSIOLOGICAL PARAMETER OF A USER

The present disclosure relates to noninvasive methods, devices, and systems for measuring various blood constituents or analytes, such as glucose. In an embodiment, a light source comprises LEDs and super-luminescent LEDs. The light source emits light at at least wavelengths of about 1610 nm, about 1640 nm, and about 1665 nm. In an embodiment, the detector comprises a plurality of photodetectors arranged in a special geometry comprising one of a substantially linear substantially equal spaced geometry, a substantially linear substantially non-equal spaced geometry, and a substantially grid geometry. 1. (canceled)2. A user-worn device configured to non-invasively measure a physiological parameter of a user , the user-worn device comprising:a first set of light emitting diodes (LEDs), the first set comprising at least an LED configured to emit light at a first wavelength and an LED configured to emit light at a second wavelength;a second set of LEDs spaced apart from the first set of LEDs, the second set of LEDs comprising at least an LED configured to emit light at the first wavelength and an LED configured to emit light at the second wavelength;four photodiodes arranged on an interior surface and configured to receive light after attenuation by tissue of the user;a protrusion arranged above the surface, the protrusion comprising a convex surface extending over the four photodiodes;a plurality of openings extending through the protrusion and aligned with the photodiodes, each opening defined by an opaque surface;a plurality of windows, each of the windows extending across a different one of the openings; andone or more processors configured to receive one or more signals from the photodiodes and calculate a measurement of the physiological parameter of the user.3. The user-worn device of claim 2 , wherein the windows comprise glass.4. The user-worn device of claim 2 , wherein the windows comprise plastic.5. The user-worn device of further comprising:a network ...

OXIMETRY PROBE AND METHOD OF OPERATING THE SAME, AND OXIMETRY SENSOR

An oximetry probe and an operating method thereof, and an oximetry sensor. The oximetry probe includes an oximetry sensor which includes a detection end and an output end, and an adapter. The detection end includes a photodetector and multiple light-emitting elements connected in series. The output end has multiple output ports. Adjacent output ports are electrically connected to two sides of the corresponding light-emitting element. The adapter has a first adapter end and a second adapter end between which multiple wires are provided. The first adapter end is electrically connected with an input end of the monitor. When the second adapter end is connected to the output end, the wires are electrically connected with the output ports to form closed circuit to enable the light-emitting element to emit light which is received by the photodetector to generate a signal involving blood oxygen saturation to be displayed on the monitor. 1. An oximetry probe , comprising:an oximetry sensor; andan adapter;wherein the oximetry sensor comprises a detection end and an output end; the detection end comprises a photodetector and a plurality of light emitting elements capable of independently emitting light beams of different peak wavelengths; the light emitting elements are connected in series; the output end has a plurality of output ports; two adjacent output ports are electrically connected to two sides of the corresponding light emitting element, respectively;the adapter has a first adapter end and a second adapter end; the first adapter end is configured to adapt to an input end of a target monitor; the second adapter end is configured to adapt to the output end of the oximetry sensor; a plurality of first wires are provided between the second adapter end and the first adapter end; the first adapter end is electrically connected with the input end of the target monitor to allow one end of each first wire to be electrically connected with a corresponding input port at the ...

MULTIPLE WAVELENGTH SENSOR EMITTERS

A physiological sensor has light emitting sources, each activated by addressing at least one row and at least one column of an electrical grid. The light emitting sources are capable of transmitting light of multiple wavelengths and a detector is responsive to the transmitted light after attenuation by body tissue.

MULTI-STREAM DATA COLLECTION SYSTEM FOR NONINVASIVE MEASUREMENT OF BLOOD CONSTITUENTS

The present disclosure relates to noninvasive methods, devices, and systems for measuring various blood constituents or analytes, such as glucose. In an embodiment, a light source comprises LEDs and super-luminescent LEDs. The light source emits light at at least wavelengths of about 1610 nm, about 1640 nm, and about 1665 nm. In an embodiment, the detector comprises a plurality of photodetectors arranged in a special geometry comprising one of a substantially linear substantially equal spaced geometry, a substantially linear substantially non-equal spaced geometry, and a substantially grid geometry. 1. (canceled)2. A user-worn device configured to non-invasively determine measurements of physiological parameter of a user , the user-worn device comprising:a plurality of light emitting diodes (LEDs);four photodiodes configured to receive light emitted by the LEDs, the four photodiodes being arranged to capture light at different quadrants of the tissue;a protrusion arranged over the four photodiodes, the protrusion comprising a convex surface;a plurality of openings in the protrusion, the openings configured to allow light to pass through the protrusion to the photodiodes; andone or more processors configured to receive one or more signals from the photodiodes and determine measurements of oxygen saturation of the user.3. The user-worn device of claim 2 , wherein the one or more processors are further configured to process the one or more signals to determine a bulk measurement indicating a positioning of the user-worn device.4. The user-worn device of further comprising optically transparent glass windows claim 2 , each window extending across a different one of the openings.5. The user-worn device of claim 2 , wherein the plurality of LEDs and the photodiodes are positioned on a same side of tissue of the user.6. The user-worn device of claim 2 , wherein the one or more signals are substantially free of noise caused by light piping.7. A user-worn device comprising:a ...

USER-WORN DEVICE FOR NONINVASIVELY MEASURING A PHYSIOLOGICAL PARAMETER OF A USER

The present disclosure relates to noninvasive methods, devices, and systems for measuring various blood constituents or analytes, such as glucose. In an embodiment, a light source comprises LEDs and super-luminescent LEDs. The light source emits light at at least wavelengths of about 1610 nm, about 1640 nm, and about 1665 nm. In an embodiment, the detector comprises a plurality of photodetectors arranged in a special geometry comprising one of a substantially linear substantially equal spaced geometry, a substantially linear substantially non-equal spaced geometry, and a substantially grid geometry. 1. (canceled)2. A user-worn device configured to non-invasively measure a physiological parameter of a user , the user-worn device comprising:at least three light emitting diodes (LEDs);at least three photodiodes arranged on an interior surface and configured to receive light attenuated by tissue of the user;a protrusion arranged above the interior surface, the protrusion comprising a convex surface extending over the three photodiodes;a plurality of openings lined with opaque material, the plurality of openings configured to allow light to reach the photodiodes, the opaque material configured to avoid light piping through the protrusion; andone or more processors configured to receive one or more signals from the photodiodes and calculate a measurement of the physiological parameter of the user.3. The user-worn device of claim 2 , wherein glass covers the openings.4. The user-worn device of further comprising:a network interface configured to wirelessly communicate the measurement of the physiological parameter to a mobile phone;a user interface comprising a touch-screen display, wherein the user interface is configured to display indicia responsive to the measurement of the physiological parameter;a memory configured to at least temporarily store at least the measurement; anda strap configured to position the user-worn device on the user.5. The user-worn device of ...

Methods And Devices For Central Photoplethysmographic Monitoring

Provided according to embodiments of the present invention are methods of monitoring individuals that include securing a photoplethysmography probe to at least one of a pre-auricular region and a post-auricular region of the individual and obtaining photoplethysmography signals from the photoplethysmography probe. Photoplethysmography probes and helmets related to such methods are also described herein. 1. A method of monitoring an individual comprisingsecuring a photoplethysmography probe to a post-auricular region of the individual;obtaining photoplethysmography signals from the photoplethysmography probe; andprocessing the photoplethysmography signals with a processing module.2. The method of claim 1 , wherein the processed photoplethysmography signals are analyzed to determine at least one of a blood flow and a blood oxygen saturation of the individual.3. The method of claim 1 , wherein the photoplethysmography probe is embedded into a helmet.4. The method of claim 1 , wherein processing the photoplethysmography signals comprises separating the photoplethysmography signals into an isolated AC component signal stream and an isolated DC component signal stream.5. The method of claim 4 , wherein at least one of the isolated AC component signal stream and the isolated DC component signal stream are analyzed to monitor the individual.6. The method of claim 1 , wherein the photoplethysmography probe is a reflectance probe.7. The method of claim 1 , wherein the photoplethysmography probe comprisesa wiring harness, and a probe base structure comprising an LED and a photodetector on the wiring harness,wherein the wiring harness is configured to secure around a user's ear and the probe base structure is at a proximal end of the wiring harness and configured to secure to a post-auricular region of the user.8. The method of claim 1 , wherein the photoplethysmography probe obtains photoplethysmography signals from the post-auricular artery. This application is a continuation ...

ADJUSTABLE ECG SENSOR AND RELATED METHOD

An adjustable ECG sensor is attachable to a patient to sense cardiac signals and includes an adjustable leadwire having a flexible substrate, a conductor extending along the flexible substrate, and a connector end connectable to a receiver associated with an ECG monitor. The adjustable ECG sensor further includes an electrode having an electrode pad, a clip connected to the electrode pad and attachable to any one of multiple locations on the adjustable leadwire, and a pin that punctures the flexible substrate and electrically connects to the conductor of the adjustable leadwire. The adjustable ECG sensor is fitted to the patient by attaching the clip of the electrode to one of the multiple locations on the adjustable leadwire. 1. An adjustable ECG sensor attachable to a patient to sense cardiac signals , the adjustable ECG sensor comprising:an adjustable leadwire having a connector end connectable to a receiver associated with an ECG monitor; an electrode pad;', 'a clip connected to the electrode pad and attachable to any one of multiple locations on the adjustable leadwire;', 'a pin that punctures and electrically connects to the adjustable leadwire; and, 'an electrode havingwherein the adjustable ECG sensor is fitted to the patient by attaching the clip of the electrode to one of the multiple locations on the adjustable leadwire.2. The adjustable ECG sensor of claim 1 , further comprising a blade on the clip of the electrode claim 1 , the blade positioned to sever the adjustable leadwire when the clip attaches to the any one of multiple locations on the adjustable leadwire.3. The adjustable ECG sensor of claim 1 , wherein the pin is incorporated into the clip such that the flexible substrate is punctured when the clip is attached to the any one of multiple locations on the adjustable leadwire.4. The adjustable ECG sensor of claim 1 , further comprising:a conductor extending along a flexible substrate; andan adhesive on one side of the flexible substrate and ...

Methods and apparatus for detecting motion noise and for removing motion noise from physiological signals

A monitoring apparatus includes a housing that is configured to be attached to a body of a subject. The housing includes a sensor region that is configured to contact a selected area of the body of the subject when the housing is attached to the body of the subject. The sensor region is contoured to matingly engage the selected body area. The apparatus includes at least one physiological sensor that is associated with the sensor region and that detects and/or measures physiological information from the subject and/or at least one environmental sensor associated with the sensor region that is configured to detect and/or measure environmental information. The sensor region contour stabilizes the physiological and/or environmental sensor(s) relative to the selected body area such that subject motion does not impact detection and/or measurement efforts of the sensor(s).

PROBE

A probe which is to be attached to a finger of a subject to acquire physiological parameter of the subject includes a light emitter that emits a light beam toward the finger, a light detector that outputs a signal corresponding to a light beam that is transmitted through or reflected from the finger, a first holding face that has a portion which is faced with a nail of the finger and another portion which is faced with a side face of the finger, and a second holding face that has a portion which is faced with a pad of the finger and another portion which is faced with the side face of the finger. In a state where the probe is attached to the finger, the first holding face and the second holding face are placed to be continuous to each other. 1. A probe which is to be attached to a finger of a subject to acquire physiological parameter of the subject comprising:a light emitter that emits a light beam toward the finger;a light detector that outputs a signal corresponding to a light beam that is transmitted through or reflected from the finger;a first holding face that has a portion which is faced with a nail of the finger and another portion which is faced with a side face of the finger; anda second holding face that has a portion which is faced with a pad of the finger and another portion which is faced with the side face of the finger,wherein, in a state where the probe is attached to the finger, the first holding face and the second holding face are placed to be continuous to each other.2. The probe according to claim 1 , wherein a section of the first holding face as viewed from a fingertip side of the subject has a shape which extends along a nail side of the finger claim 1 , and a section of the second holding face as viewed from the finger tip side of the subject has a shape which extends along a pad side of the finger.3. The probe according to claim 1 , wherein at least one of the light emitter and the light detector is placed to be faced with a pad side of ...

SENSOR WINDOW WITH INTEGRATED ISOLATION FEATURE

An integrated window for a photosensor for use in an electronic device has first and second transparent regions separated by an opaque region. The first transparent region allows a transmitter to emit light out of the housing of the electronic device and the second transparent region allows a receiver to receive light through the housing. The opaque region is disposed between the first and second transparent regions to isolate them from one another such that the transmitted light is isolated from the received light. 1. A portable electronic device comprising:a housing having an opening extending from an interior surface of the housing to an exterior surface of the housing; a first transparent region that allows light from a photoemitter positioned within the housing to pass through the opening;', 'a second transparent region that allows light to pass through the opening and be received by a photodetector that is positioned within the housing; and', 'an opaque region positioned between and optically isolating the first transparent region from the second transparent region., 'a photosensor window positioned within the opening, the photosensor window including2. The portable electronic device of wherein the first transparent region is bonded to a first side of the opaque region and the second transparent region is bonded to a second side of the opaque region and wherein the first side is opposite and adjacent the second side.3. The portable electronic device of wherein the first and second transparent regions comprise a first material and are bonded together with an opaque material that forms the opaque region.4. The portable electronic device of wherein the photosensor window comprises a monolithic component formed from a unitary material and wherein the opaque region comprises induced defects within the unitary material.5. The portable electronic device of wherein the first and second transparent regions comprise a first material and the opaque region comprises a ...

COMBINED PHYSIOLOGICAL SENSOR SYSTEMS AND METHODS

A combined physiological sensor and methods for detecting one or more physiological characteristics of a subject are provided. The combined sensor (e.g., a forehead sensor) may be used to detect and/or calculate at least one of a pulse blood oxygen saturation level, a regional blood oxygen saturation level, a respiration rate, blood pressure, an electrical physiological signal (EPS), a pulse transit time (PTT), body temperature associated with the subject, a depth of consciousness (DOC) measurement, any other suitable physiological parameter, and any suitable combination thereof. The combined sensor may include a variety of individual sensors, such as electrodes, optical detectors, optical emitters, temperature sensors, and/or other suitable sensors. The sensors may be advantageously positioned in accordance with a number of different geometries. The combined sensor may also be coupled to a monitoring device, which may receive and/or process one or more output signals from the individual sensors to display information about the medical condition of the subject. In addition, several techniques may be employed to prevent or limit interference between the individual sensors and their associated input and/or output signals. 1. A multi-sensor subject monitoring system comprising:a plurality of sensors comprising at least two of: a photoplethysmographic (PPG) sensor, an electrical physiological signal (EPS) sensor, and a temperature sensor; and activate and deactivate a first sensor of the plurality of sensors in accordance with a timing scheme; and', 'activate and deactivate a second sensor of the plurality of sensors in accordance with the timing scheme,', 'wherein timing of activation and deactivation of the first sensor and timing of activation and deactivation of the second sensor is designed to reduce interference between the plurality of sensors., 'sensor control circuitry configured to2. The multi-sensor monitoring system of claim 1 , wherein the sensor control ...

METHOD AND SYSTEM FOR NON-INVASIVE OPTICAL BLOOD GLUCOSE DETECTION UTILIZING SPECTRAL DATA ANALYSIS

Systems and methods are disclosed for non-invasively measuring blood glucose levels in a biological sample based on spectral data. This includes utilizing at least one light source configured to strike a target area of a sample, utilizing at least one light filter positioned to receive light transmitted through the target area from the at least one light source, utilizing at least one light detector positioned to receive light from the at least one light source and filtered by the at least one light filter, and to generate an output signal, having a time dependent current, which is indicative of the power of light detected, receiving the output signal from the at least one light detector with a processor and based on the received output signal, calculating the attenuance attributable to blood in a sample with a signal-to-noise ratio of at least 20-to-1; and determining a blood glucose level. 2. The system for detecting glucose in a biological sample according to claim 1 , wherein the time dependent output current is a function of a baseline current claim 1 , a noise current and a time dependent cyclic current corresponding to a heartbeat.3. The system for detecting glucose in a biological sample according to claim 2 , wherein the calculated attenuance is based at least in part on a standard deviation of a logarithm of the time dependent output current generated by the light power from the same target area of the biological sample.4. The system for detecting glucose in a biological sample according to claim 2 , wherein the calculated attenuance is based at least in part on an approximation of a standard deviation of a logarithm of the time dependent output current generated by the light power from the same target area of the biological sample.58-. (canceled)10. The method for detecting glucose in a biological sample according to claim 9 , wherein the step of calculating the attenuance attributable to blood in a sample present in the target area is based at least in ...

METHOD AND SYSTEM FOR NON-INVASIVE OPTICAL BLOOD GLUCOSE DETECTION UTILIZING SPECTRAL DATA ANALYSIS

Systems and methods are disclosed for non-invasively measuring blood glucose levels in a biological sample based on spectral data. This includes utilizing at least one light source configured to strike a target area of a sample, utilizing at least one light filter positioned to receive light transmitted through the target area of the sample from the at least one light source, utilizing at least one light detector positioned to receive light from the at least one light source and filtered by the at least one light filter, and to generate an output signal, having a time dependent current, which is indicative of the power of light detected, receiving the output signal from the at least one light detector with a processor, calculating the attenuance attributable to blood with a ratio factor based on the received output signal, and determining a blood glucose level based on the calculated attenuance.

MULTI-STREAM DATA COLLECTION SYSTEM FOR NONINVASIVE MEASUREMENT OF BLOOD CONSTITUENTS

The present disclosure relates to noninvasive methods, devices, and systems for measuring various blood constituents or analytes, such as glucose. In an embodiment, a light source comprises LEDs and super-luminescent LEDs. The light source emits light at at least wavelengths of about 1610 nm, about 1640 nm, and about 1665 nm. In an embodiment, the detector comprises a plurality of photodetectors arranged in a special geometry comprising one of a substantially linear substantially equal spaced geometry, a substantially linear substantially non-equal spaced geometry, and a substantially grid geometry. 1. (canceled)2. A front-end interface for a noninvasive , physiological sensor , said front-end interface comprising:one or more inputs configured to receive signals from respective one or more detectors in the sensor;one or more switched capacitor circuits configured to convert the one or more signals from the one or more detectors into a digital output signal having a stream for each of the one or more detectors; andan output configured to provide the digital output signal.3. The front-end interface of claim 2 , wherein the front-end interface is integrated with the sensor.4. The front-end interface of claim 2 , wherein the one or more detectors include at least two detectors claim 2 , wherein the one or more switched capacitor circuits include at least two switched capacitor circuits claim 2 , and wherein the at least two switched capacitor circuits are configured to combine the streams of a set of the two or more detectors into a single stream.5. A conversion processor for a physiological claim 2 , noninvasive sensor claim 2 , said conversion processor comprising:a multi-stream input configured to receive signals from at least one detector in the sensor, wherein the signals are responsive to optical radiation from a tissue site;a modulator that converts the multi-stream input into a digital bit-stream; anda signal processor that produces an output signal from the ...

CLIP ADAPTOR FOR AN ACTIVITY MONITOR DEVICE AND OTHER DEVICES

Described herein is an adaptor configured to be selectively mated with a device, such as an activity monitor, to enable the device to be clipped to a person's finger or clothes, instead of being strapped around a wrist. The adaptor includes a base, lever and hinge. At least one connector extending from the base and is configured to mate with a portion of the device to thereby selectively mate the adaptor with the device. The base includes an opening sized and positioned to enable a distal portion of a person's finger to extend through the opening and contact the device when the adaptor and device are mated and the device is clipped to a person's finger. This enables the persons' skin to be in contact with at least one sensor of the device, to thereby enable the device to perform functions that rely on the sensor(s) contacting a persons' skin. 1. An adaptor configured to be selectively mated with a device to enable the device to be clipped to a person's finger or clothes , the adaptor comprising:a base having first and second ends with a longitudinal axis of the base extending between the first and second ends of the base;a lever having first and second ends with a longitudinal axis of the lever extending between the first and second ends of the lever and being parallel to the longitudinal axis of the base;a hinge that connects the first end of the lever to the first end of the base and biases the second end of the lever towards the second end of the base; andat least one connector extending from the base and configured to mate with a portion of the device to thereby selectively mate the adaptor with the device;wherein the base includes an opening sized and positioned to enable a distal portion of a person's finger to extend through the opening and contact the device when the adaptor is mated to the device and the device is clipped to a person's finger.2. The adaptor of claim 1 , wherein the device includes first and second slots claim 1 , and wherein:the at least ...

System for measuring vital signs using bilateral pulse transit time

The invention provides a monitor for measuring blood pressure and other vital signs from a patient without using a cuff. The invention provides a hand-held device for measuring vital signs (e.g. blood pressure) from a patient that features: i) a housing that encloses a first sensor, that includes a first electrode and a first optical system configured to generate a first optical signal; ii) a second sensor that includes a second electrode and a second optical system configured to generate a second optical signal; iii) an amplifier system, in electrical contact with the first and second electrodes, configured to processes electrical signals from the first and second electrodes to generate an electrical waveform; and iv) a microprocessor, in electrical communication with the amplifier system, first optical system, and second optical system, the microprocessor configured to process the electrical waveform and first and second optical signals with an algorithm to determine at least one of the patient's vital signs.

FINGER CUFF WITH EXTENDED FIXED SHELL TO REDUCE FINGER MOVEMENT

Disclosed is finger cuff that is connectable to a patient's finger to be used in measuring the patient's blood pressure by a blood pressure measurement system. The finger cuff may comprise a fixed shell and a bladder. The fixed shell may have a finger cavity, in which the finger cavity of the fixed shell may be placed around a patient's finger to surround a large portion of the patient's finger including the middle knuckle to reduce finger movement, and in particular, to reduce relative movement between the middle phalanx and the proximal phalanx. Further, the fixed shell includes a support member that extends away from the finger cavity to abut against the underside of the patient's hand to reduce bending of the finger relative to the hand. 1. A finger cuff connectable to a patient's finger to be used in measuring the patient's blood pressure by a blood pressure measurement system , the finger cuff comprising:a fixed shell having a finger cavity, the finger cavity of the fixed shell to be placed around a patient's finger to surround a large portion of the patient's finger including the middle knuckle to reduce finger movement, the finger cavity including a light emitting diode (LED)-photodiode (PD) pair, and the fixed shell including a support member that extends away from the finger cavity to abut against the underside of the patient's hand to reduce bending of the finger relative to the hand; anda bladder including a pair of openings, the bladder mountable within the finger cavity such that the pair of openings surround the LED-PD pair, respectively, wherein the patient's finger received and surrounded in the finger cavity of the fixed shell abuts against the bladder mounted within the finger cavity such that the bladder and the LED-PD pair are used in measuring the patient's blood pressure by the blood pressure measurement system.2. The finger cuff of claim 1 , wherein the fixed shell is approximately cylindrically shaped and the finger cavity is approximately ...

SYSTEM AND METHOD FOR MONITORING THE LIFE OF A PHYSIOLOGICAL SENSOR

Aspects of the present disclosure include a sensor configured to store in memory indications of sensor use information and formulas or indications of formulas for determining the useful life of a sensor from the indications of sensor use information. A monitor connected to the sensor monitors sensor use and stores indications of the use on sensor memory. The monitor and/or sensor compute the useful life of the sensor from the indications of use and the formulas. When the useful life of the sensor is reached, an indication is given to replace the sensor. 120-. (canceled)21. A physiological sensor configured to store a sensor life function , the physiological sensor comprising:one or more emitters configured to transmit light of at least a first wavelength and a second wavelength into tissue of a patient;one or more detectors configured to detect the light after it has interacted with the tissue and to generate a signal responsive to the detected light;a memory device storing at least one sensor life function for use by a separately housed patient monitor in determining a useful life of the sensor; anda communication port configured to communicate the at least one sensor life function to the separately housed patient monitor, wherein the separately housed patient monitor calculates the useful life of the physiological sensor using the at least one sensor life function.22. The physiological sensor of claim 21 , wherein the memory device comprises a read only portion and a read/write portion and the at least one sensor life function is stored in the read only portion of the memory device.23. The physiological sensor of claim 21 , wherein the memory device comprises a read only portion and a read/write portion and the at least one sensor life function is stored in the read/write portion of the memory device.24. The physiological sensor of claim 21 , wherein the memory device is further configured to store sensor use information claim 21 , wherein the communication port ...

Blood pressure measurement devices and methods

The present invention provides a wearable device for monitoring blood-pressure.

Wearable Device for the Arm with Close-Fitting Biometric Sensors

This invention is a wearable device for an arm with a plurality of close-fitting biometric sensors. These sensors can be spectroscopic sensors which project light onto an arm surface at different angles. Alternatively, these sensors can be electromagnetic energy sensors which measure tissue impedance, resistance, conductivity, or permittivity. These sensors can be on the circumference-center-facing wall of an elastic fluid, gel, or gas filled member. Data from these sensors can be used to measure a person's hydration levels, oxygen levels, glucose levels, or heart rate. 1. A wearable device for the arm with a plurality of close-fitting spectroscopic sensors comprising:an attachment member which is configured to span at least a portion of the circumference of a person's arm;an enclosure which is part of and/or attached to the attachment member;a first spectroscopic sensor in the enclosure which is configured to project a beam of light onto the arm surface at a first angle relative to the enclosure; anda second spectroscopic sensor in the enclosure which is configured to project a beam of light onto the arm surface at a second angle relative to the enclosure, wherein the first angle differs from the second angle by at least 10 degrees.2. The device in wherein the attachment member is selected from the group consisting of: strap claim 1 , band claim 1 , bracelet claim 1 , ring claim 1 , armlet claim 1 , cuff claim 1 , and sleeve.3. The device in wherein the attachment member is configured to be attached to the person's arm by connecting two ends of the attachment member with a clasp claim 1 , clip claim 1 , buckle claim 1 , hook claim 1 , pin claim 1 , plug claim 1 , or hook-and-eye mechanism.4. The device in wherein the attachment member is configured to be attached to the person's arm by stretching and sliding it over the person's hand onto the arm.5. The device in wherein data from the first and/or second spectroscopic sensors are analyzed to measure the person's ...

Radial Check Device

A radial check device and methods are provided for accessing ulnar and/or radial flow and producing documentation of such assessment. 1. A radial check device comprising:an occlusion cuff having first and second portions adapted to occlude and release the radial and ulnar arteries of a patient;a pulse oximeter adapted to generate an oximetry tracing of the patient upon release of one of the arteries; anda recording device operatively connected to the pulse oximeter to generate a record of the oximetry tracing.2. The radial check device of claim 1 , wherein the occlusion cuff has releasable fasteners.3. The radial check device of claim 1 , wherein the first and second portions are positioned on an interior surface of the occlusion cuff.4. The radial check device of claim 1 , wherein the first and second portions are adapted to expand and contract to occlude or release one or both of the radial and ulnar arteries.5. The radial check device of claim 1 , wherein the first and second portions include first and second actuators having first and second actuator tips claim 1 , respectively claim 1 , adapted to occlude or release one or both of the radial and ulnar arteries.6. The radial check device of claim 1 , wherein the first and second portions are adapted to be adjustable.7. The radial check device of claim 1 , wherein at least one of the first and second portions is adapted to be adjustable.8. The radial check device of claim 1 , wherein the radial check device has a control system adapted to actuate the first and second portions.9. The radial check device of claim 1 , wherein the occlusion cuff has a display screen.10. The radial check device of claim 1 , wherein the pulse oximeter has a display screen.11. The radial check device of claim 1 , wherein the pulse oximeter is operatively connected to the occlusion cuff.12. The radial check device of claim 1 , wherein the pulse oximeter is operatively connected to a control system claim 1 , the control system being ...

Neural response system

A neural response system, including a plurality of filters for each receiving and filtering a plurality of tilt response signals obtained from a person; a segmenter for segmenting the filtered response signals into time segments; and a neural event extractor for performing a neural event extraction process on each of the time segments to obtain and generate biomarker data representing a plurality of biomarkers for each segment.

SAMPLING INTERFACES

A tubeless patient interface including a grasping member configured to grasp a patient's nose or tooth; and a miniature COsensor attached to the grasping member and configured to measure the concentration of COfrom a patient's breath flow. 1. A tubeless patient interface comprising:a grasping member configured to grasp a patient's nose or tooth; and{'sub': 2', '2, "a miniature COsensor attached to said grasping member and configured to measure the concentration of COfrom a patient's breath flow."}2. The interface of claim 1 , configured to facilitate non-diverted breath sampling.3. The interface of claim 1 , further configured to wirelessly provide the measured COconcentration to a remote control logic.4. The interface of claim 1 , wherein said miniature COsensor is a nano-sized optical sensor.5. The interface of claim 1 , wherein said miniature COsensor is a chemical sensor.6. The interface of claim 1 , wherein said grasping member comprises a first and a second arm claim 1 , and an elastic member configured to connect said first and second arms.7. The interface of claim 6 , wherein said interface is configured to be worn on said patient's nose.8. The interface of claim 6 , wherein said patient interface comprises at least two miniature COsensors; and wherein each of said first and second arms comprises at least one miniature COsensor on a proximal end thereof.9. The interface of claim 8 , wherein said proximal ends of said first and second arms are configured to reach underneath or within a patient's nostrils.10. The interface of claim 6 , wherein stretching of said elastic member is indicative of said interface being worn by said patient.11. The interface of claim 10 , wherein said interface is further configured to on/off patient detection based on said stretching of said elastic member.12. The interface of claim 6 , wherein said elastic member comprises an SpOprobe.13. The interface of claim 1 , wherein said grasping member comprises a circlip configured to ...

PHYSIOLOGICAL MEASUREMENT COMMUNICATIONS ADAPTER

A sensor interface is configured to receive a sensor signal. A transmitter generates a transmit signal. A receiver receives the signal corresponding to the transmit signal. Further, a monitor interface is configured to communicate a waveform to the monitor so that measurements derived by the monitor from the waveform are generally equivalent to measurements derivable from the sensor signal. 1. (canceled)2. A pulse oximetry device comprising:a housing including at least a signal processor and a transmitter;a display positioned on the housing and in communication with the signal processor;a strap configure to securely mount the housing on an appendage of a user; a light emitter configured to emit light into a tissue site of the finger of the user; and', 'a light detector configured output a signal responsive to at least a portion of the emitted light after attenuation by tissue of the tissue site; and, 'a pulse oximetry sensor in communication with the signal processor and configured to be mounted to a finger of the user, wherein the pulse oximetry sensor includes at leasta cable configured to enable communication between the signal processor and the pulse oximetry sensor, wherein the cable is coupled to both the housing and the pulse oximetry sensor, receive the signal from the pulse oximetry sensor;', 'derive, from the signal, measurements of oxygen saturation and pulse rate; and', 'display, on the display, the measurements, and, 'wherein the signal processor is configured to receive the signal from the pulse oximetry sensor; and', 'transmit a transmit signal responsive to the signal to a receiver configured to adapt the transmit signal to a monitor-compatible signal based on characterization information specific to a monitor device, the monitor-compatible signal usable by the monitor device to provide physiological parameter measurements consistent with the signal received from the pulse oximetry sensor., 'wherein the transmitter is configured to3. The pulse ...

MAGNETIC-FLAP OPTICAL SENSOR

A magnetic-flap optical sensor has an emitter activated so as to transmit light into a fingertip inserted between an emitter pad and a detector pad. The sensor has a detector responsive to the transmitted light after attenuation by pulsatile blood flow within fingertip so as to generate a detector signal. Flaps extend from the emitter pad and along the sides of a detector shell housing the detector pad. Flap magnets are disposed on the flap ends and shell magnets are disposed on the detector shell sides. A spring urges the emitter shell and detector shell together, so as to squeeze the fingertip between its fingernail and its finger pad. The flap magnets have opposite north and south orientations from the shell magnets, urging the flaps to the detector shell sides and squeezing the fingertip sides. These spring and magnet squeezing forces occlude the fingertip blood flow and accentuate a detector signal responsive to an active pulsing of the fingertip. 1. A magnetic-flap optical sensor is configured to attach to a tissue site so as to illuminate the tissue site with optical radiation and detect the optical radiation after attenuation by pulsatile blood within the tissue site , the sensor having an active pulser so as to generate an artificial pulse and magnetic flaps so as to occlude blood flow at the tissue site , thereby accentuating the artificial pulse , the sensor adapted to communicate with a sensor processor so as to calculate a physiological parameter corresponding to constituents of the pulsatile blood , the sensor comprising:an emitter shell having an emitter;an emitter pad at least partially disposed within the emitter shell;a detector shell having a detector;a detector pad at least partially disposed within the detector shell;the emitter configured to transmit optical radiation into fingertip tissue inserted between the emitter pad and detector pad;the detector configured to receive the optical radiation after attenuation by pulsatile blood flow within ...

Wearable Light-Guiding Devices For Physiological Monitoring

A monitoring device configured to be attached to the body of a subject includes an outer layer and an inner layer secured together. The inner layer includes light transmissive material and has inner and outer surfaces. A base is secured to at least one of the outer and inner layers and includes an optical emitter and optical detector. A layer of cladding material is positioned near the outer surface of the inner layer, and at least one window is formed in the layer of cladding material that serves as a light-guiding interface to the body of the subject. The light transmissive material delivers light from the optical emitter to the body of the subject along a first direction and collects light from the body of the subject and delivers the collected light in a second direction to the optical detector. The first and second directions are substantially parallel. 1. A monitoring device configured to be attached to the body of a subject , comprising:an outer layer and an inner layer secured together, the inner layer comprising light transmissive material, and having inner and outer surfaces;a base secured to at least one of the outer and inner layers and comprising at least one optical emitter and at least one optical detector;a layer of cladding material near the outer surface of the inner layer; andat least one window formed in the layer of cladding material that serves as a light-guiding interface to the body of the subject, wherein the light transmissive material is in optical communication with the at least one optical emitter and the at least one optical detector, wherein the light transmissive material is configured to deliver light from the at least one optical emitter to the body of the subject along a first direction and to collect light from the body of the subject and deliver the collected light in a second direction to the at least one optical detector, wherein the first and second directions are substantially parallel.2. The monitoring device of claim 1 , ...

BODY-WORN PULSE OXIMETER

The invention provides a body-worn system that continuously measures pulse oximetry and blood pressure, along with motion, posture, and activity level, from an ambulatory patient. The system features an oximetry probe that comfortably clips to the base of the patient's thumb, thereby freeing up their fingers for conventional activities in a hospital, such as reading and eating. The probe secures to the thumb and measures time-dependent signals corresponding to LEDs operating near 660 and 905 nm. Analog versions of these signals pass through a low-profile cable to a wrist-worn transceiver that encloses a processing unit. Also within the wrist-worn transceiver is an accelerometer, a wireless system that sends information through a network to a remote receiver, e.g. a computer located in a central nursing station. 1a first sensor comprising: a first radiation source configured to emit optical radiation at a first wavelength; a second radiation source configured to emit optical radiation at a second wavelength; a photodetector configured to detect radiation emitted by the first radiation source after it passes through a portion of the patient to generate a first time-dependent signal, and radiation emitted by the second radiation source after it passes through a portion of the patient to generate a second time-dependent signal; and a housing comprising the first and second radiation sources and the photodetector, the housing configured to attach to one of the patient's fingers;a second sensor comprising: at least two electrodes, each configured to attach to the patient and measure electrical signals and an electrical circuit configured to receive and process the electrical signals to determine a time-dependent electrical signal; anda processing unit configured to be worn on the patient's arm and connected to the first sensor to receive the first and second time-dependent signals, and to the second sensor to receive the time-dependent electrical signal, the processing ...

BODY-WORN PULSE OXIMETER

The invention provides a body-worn system that continuously measures pulse oximetry and blood pressure, along with motion, posture, and activity level, from an ambulatory patient. The system features an oximetry probe that comfortably clips to the base of the patient's thumb, thereby freeing up their fingers for conventional activities in a hospital, such as reading and eating. The probe secures to the thumb and measures time-dependent signals corresponding to LEDs operating near 660 and 905 nm. Analog versions of these signals pass through a low-profile cable to a wrist-worn transceiver that encloses a processing unit. Also within the wrist-worn transceiver is an accelerometer, a wireless system that sends information through a network to a remote receiver, e.g. a computer located in a central nursing station. 1an oximetry sensor comprising a photodetector and a first and second light source, the photodetector configured to generate a first signal by detecting a first radiation emitted by the first light source after the first radiation irradiates the patient, and a second signal by detecting a second radiation emitted by the second light source after the second radiation irradiates the patient;an ECG system comprising a housing configured to be positioned on the patient's chest, a differential amplifier circuit within the housing configured to operably connect to at least two electrodes and generate therefrom an ECG signal, and a first motion sensor within the housing to generate a first motion signal;an oscillometric blood pressure monitoring system comprising a pump and a cuff, the oscillometric blood pressure monitoring system configured to be positioned on the patient's upper arm and generate an oscillometric blood pressure signal;a second motion sensor configured to be positioned on the patient's arm above the elbow to generate a second motion signal;a third motion sensor configured to be positioned on the patient's arm at the wrist to generate a third motion ...

FINGER CUFF WITH AN EXPANDABLE COIL TO BE USED IN MEASURING A PATIENT'S BLOOD PRESSURE BY A BLOOD PRESSURE MEASUREMENT SYSTEM

Disclosed is a finger cuff that may comprise an expandable coil and a bladder. The expandable coil has a finger cavity that includes an LED-PD pair and that is generally smaller than a patient's finger. The expandable coil may include a semi-rigid substrate that is expandable, such that, when the finger cavity of the expandable coil is placed around the patient's finger, the finger cavity and expandable coil expand to surround the patient's finger while the expandable coil provides an approximately constant force to the patient's finger. The bladder is mounted within the finger cavity, such that, when the patient's finger is received and surrounded in the finger cavity of the expandable coil, the patient's finger abuts against the bladder mounted within the finger cavity so that the bladder and the LED-PD pair may be used in measuring the patient's blood pressure by a blood pressure measurement system. 1. A finger cuff connectable to a patient's finger to be used in measuring the patient's blood pressure by a blood pressure measurement system , the finger cuff comprising:an expandable coil having a finger cavity, the finger cavity including a light emitting diode (LED)—photodiode (PD) pair, the finger cavity of the expandable coil being smaller than the patients finger, the expandable coil including a semi-rigid substrate that is expandable, wherein, when the finger cavity of the expandable coil is placed around a patient's finger, the finger cavity and expandable coil expand to surround the patient's finger while the expandable coil provides an approximately constant force to the patient's finger; anda bladder mountable within the finger cavity, wherein the patient's finger received and surrounded in the finger cavity of the expandable coil abuts against the bladder mounted within the finger cavity such that the bladder and the LED-PD pair are used in measuring the patient's blood pressure by the blood pressure measurement system.2. The finger cuff of claim 1 , ...

NON-INVASIVE PHYSIOLOGICAL SENSOR COVER

A sensor cover according to embodiments of the disclosure is capable of being used with a non-invasive physiological sensor, such as a pulse oximetry sensor. Certain embodiments of the sensor cover reduce or eliminate false readings from the sensor when the sensor is not in use, for example, by blocking a light detecting component of a pulse oximeter sensor when the pulse oximeter sensor is active but not in use. Further, embodiments of the sensor cover can prevent damage to the sensor. Additionally, embodiments of the sensor cover prevent contamination of the sensor. 1. (canceled)2. A partially opaque sensor cover for use with a pulse oximeter sensor , the partially opaque sensor cover comprising:a partially opaque portion attachable to the sensor and configured to block optical readings by the sensor; anda tab portion that protrudes from the sensor to facilitate removal of the partially opaque sensor cover, a light source configured to emit light from one or more emitters of the sensor; and', 'a detector configured to receive at least a portion of the light emitted by the one or more emitters after the light has passed through a tissue site, and, 'wherein the sensor compriseswherein the partially opaque portion at least partially prevents the detector from receiving light during sensor activation.3. The partially opaque sensor cover of claim 2 , wherein the tab portion that protrudes from the sensor comprises a rectangular portion that extends past the sensor.4. The partially opaque sensor cover of claim 2 , wherein the partially opaque sensor cover is removably adhereable to the sensor.5. The partially opaque sensor cover of claim 2 , wherein the partially opaque sensor cover is configured to block the light from the one or more emitters from being received by the detector.6. The partially opaque sensor cover of claim 2 , wherein the partially opaque portion is attachable over at least one of the detector or the one or more emitters.7. The partially opaque sensor ...

NONINVASIVE PHYSIOLOGICAL ANALYSIS USING WEARABLE SOLID STATE OPTICAL AND MECHANICAL DEVICES

Methods and apparatus for qualifying and quantifying excitation-dependent physiological information extracted from wearable sensors in the midst of interference from unwanted sources are provided. An organism is interrogated with at least one excitation energy, energy response signals from two or more distinct physiological regions are sensed, and these signals are processed to generate an extracted signal. The extracted signal is compared with a physiological model to qualify and/or quantify a physiological property. Additionally, important physiological information can be qualified and quantified by comparing the excitation wavelength-dependent response, measured via wearable sensors, with a physiological model. 1. (canceled)2. A method of monitoring at least one physiological property of an organism , the method comprising:directing energy to at least one skin region of the organism;detecting a first energy response signal region that contains information about blood flow from the at least one skin region, a second energy response signal that contains information about blood vessel size from the at least one skin region, and a third energy response signal that contains information about skin motion from the at least one skin region; andprocessing the first, second, and third energy response signals to produce a first extracted energy response signal containing cleaner blood flow information as compared to the information about blood flow contained in the first energy response signal, and a second extracted energy response signal containing cleaner blood vessel size information as compared to the information about blood vessel size contained in the second energy response signal,wherein the directing and detecting are performed by a device worn by the organism.3. The method of claim 2 , wherein detecting the first claim 2 , second claim 2 , and third energy response signals comprises detecting via at least one detector selected from the group consisting of acoustic ...

MULTI-STREAM DATA COLLECTION SYSTEM FOR NONINVASIVE MEASUREMENT OF BLOOD CONSTITUENTS

The present disclosure relates to noninvasive methods, devices, and systems for measuring various blood constituents or analytes, such as glucose. In an embodiment, a light source comprises LEDs and super-luminescent LEDs. The light source emits light at at least wavelengths of about 1610 nm, about 1640 nm, and about 1665 nm. In an embodiment, the detector comprises a plurality of photodetectors arranged in a special geometry comprising one of a substantially linear substantially equal spaced geometry, a substantially linear substantially non-equal spaced geometry, and a substantially grid geometry. 1. (canceled)2. A user-worn physiological measurement device comprising:a plurality of emitters configured to emit light into tissue of a user;at least four detectors;a wall that surrounds at least the at least four detectors; the tissue shaper comprises a single protruding convex surface, and', 'at least a portion of the tissue shaper is sufficiently rigid to cause tissue of the user to conform to at least a portion of a shape of the single protruding convex surface when the physiological measurement device is worn by the user;, 'a tissue shaper that operably connects to the wall and that is configured to be located between tissue of the user and the at least four detectors when the physiological measurement device is worn by the user, wherein receive one or more signals from the at least four detectors, the one or more signals responsive to at least a physiological parameter of the user; and', 'process the one or more signals to determine measurements of the physiological parameter;, 'one or more processors configured toa network interface configured to communicate with a mobile phone; the user interface is configured to display indicia responsive to the measurements of the physiological parameter, and', 'an orientation of the user interface is configurable responsive to a user input;, 'a touch-screen display configured to provide a user interface, whereina storage ...

WIRELESS VITAL SIGN MONITORING

A method of determining one or more vital sign parameters by a wireless vital-sign measurement device comprises: measuring motion information of a user wearing the wireless measurement device, the measurement device being in the idle mode in which at least one opto-electronic sensor in the measurement device is deactivated; switching the measurement device in an active mode if the motion information is below a predetermined threshold, wherein in the active mode the at least one opto-electronic sensor is activated; during a predetermined measuring period, exposing part of a skin tissue of the user to light and measuring one or more optical response signals associated with the exposed skin tissue and the motion sensor measuring motion information associated with movements of the user; and, selecting or rejecting one or more pulses in the one or more optical response signals on the basis of the motion information measured during the measuring period and determining one or more vital sign parameters on the basis of the one or more selected pulses. 1. A method of determining one or more vital sign parameters by a vital-sign measurement device , comprising:an accelerometer in the measurement device measuring first motion information of a user wearing the measurement device, the accelerometer being configured to measure motion in three dimensions, the measurement device being in an idle mode in which at least one opto-electronic sensor in the measurement device is deactivated;a processor in the measurement device switching the measurement device in an active mode if the first motion information passes a first motion threshold, wherein in the active mode the at least one opto-electronic sensor is activated;during a predetermined measuring period, the at least one activated opto-electronic sensor exposing part of a skin tissue of the user to light and measuring at least one optical response signal associated with the exposed skin tissue, the response signal comprising a ...

PORTABLE ELECTROENCEPHALOGRAPHY DEVICES

According to one aspect, the present description relates to a portable device () for acquiring electroencephalographic (EEG) signals emitted by a user. The portable device comprises a flexible support () intended to fit a localized region of the skull of the user and a set of sensors () of electrical signals generated by the neuronal activity of the user, arranged on said support () so as to form contacts with the scalp when the device is worn by the user. For each sensor, an electronic circuit for filtering and amplifying electrical signals detected by said sensor is incorporated in the flexible support () and forms, with said sensor, an active electrode. The portable device also comprises a housing () comprising an electronic system for processing signals from said electronic filtering and amplification circuits, said housing being linked mechanically to the flexible support to form, with said support, a means of attachment to a garment or accessory () intended to be worn by the user. 1. A portable device for the acquisition of electroencephalographic (EEG) signals emitted by a user , the device comprising:a flexible support intended to fit a localized region of the skull of the user;a set of sensors for detecting electrical signals generated by the neuronal activity of the user, arranged on said support so as to form contacts with the scalp when the device is worn by the user;for each sensor, an electronic circuit for filtering and amplifying the electrical signals detected by said sensor, said electronic circuit being incorporated in the flexible support and forming with said sensor an active electrode;a housing comprising an electronic system for processing the signals from said electronic filtering and amplification circuits, said housing being linked mechanically to the flexible support to form, with said support, a means of attachment to a garment or accessory intended to be worn by the user.2. The portable device as claimed in claim 1 , wherein the flexible ...

PHYSIOLOGICAL SIGNAL DETECTION CLAMP

A physiological signal detection clamp for being detachably disposed on a fabric worn by a living body, the physiological signal detection clamp includes: a body, two electrode units, a processing unit and a wireless transmission unit. Each of the two opposite side surfaces of the body has a fixing unit. The body is configured to clamp on the fabric by the two fixing unit. When the body is clamped on the fabric, the sensing surfaces of the two electrode units are correspondingly exposed on the outer side surface of the body and attach to the body surface of the living body for detecting the micro electric signal on the body surface of the living body. The processing unit transfers the micro electric signal detected by the electrode unit into a wireless transmission signal, and the wireless transmission unit outputs the wireless transmission signal. 1. A physiological signal detection clamp for being detachably disposed on a fabric worn by a living body , the physiological signal detection clamp comprises:a body having two opposite side surfaces which are an outer side surface and an inner side surface, and two ends each having a fixing unit, the fixing units correspond to each other; wherein when the body is bent and the two ends thereof are disposed on two opposite sides of the fabric respectively, the fixing units connect with each other and fix the body on the fabric;two electrode units fixedly disposed on the body, a sensing surface of each electrode unit is correspondingly exposed on the outer side surface, when the physiological signal detection clamp is fixed on the fabric, the sensing surfaces are correspondingly attached to a body surface of the living body for detecting a micro electric signal on the body surface of the living body;a processing unit fixedly disposed in the body and electrically connected to the electrode units for transforming the micro electric signal detected by the electrode units into a wireless transmission signal; anda wireless ...

Pressure sensing device for use with a compression bandage

A pressure sensing clip (1) and a system including a bandage (19) for detecting and displaying the pressure applied by a (compression) bandage (19) to a human or animal body in which the pressure sensing clip (1) has an inner bandage penetrating arm (2) and an outer arm (3) hingedly attached to the inner arm (2) at a hinge (4) so that the outer arm (3) is movable between a hingedly closed position with respect to the inner arm (2) and a hingedly open position. The device can be operatively attached to an applied compression bandage, or it can be placed beneath or between the bandage during bandage application so that the bandage covers the sensing part of the device. In the latter application, the ability of the arms of the device to adapt an open configuration allows the bandage to be applied over the inner arm leaving the outer arm to close once the bandage has been applied. The device can receive, store and transmit data to a user.

PHYSIOLOGICAL MEASUREMENT DEVICE

A sensor interface is configured to receive a sensor signal. A transmitter generates a transmit signal. A receiver receives the signal corresponding to the transmit signal. Further, a monitor interface is configured to communicate a waveform to the monitor so that measurements derived by the monitor from the waveform are generally equivalent to measurements derivable from the sensor signal. 1. (canceled)2. A pulse oximetry system comprising: a signal receiver; and', 'a display capable of displaying physiological parameter and waveform data; and, 'a receiving computing device comprising a light emitter configured to emit light into a tissue site a patient;', 'a light detector configured to output a sensor signal responsive to at least a portion of the emitted light after attenuation by tissue of the tissue site;', 'at least one user input mechanism configured to at least enable activation of the portable patient monitoring device in response to inputs from a user;', cause activation of the light emitter to emit light;', 'receive the sensor signal from the light detector, the sensor signal useable to determine physiological parameters including at least oxygen saturation, pulse rate, and perfusion index of the patient; and', 'perform a first processing of the sensor signal to generate a transmit signal;, 'one or more signal processors configured to, 'a signal transmitter configured to wirelessly transmit the transmit signal to the receiving computing device; and', 'a battery configured to power the portable patient monitoring device including at least the one or more signal processors and the signal transmitter, wherein the receiving computing device is configured to:', 'receive the transmit signal from the portable patient monitoring device;', 'perform a second processing on the transmit signal in order to determine measurements of the physiological parameters including at least oxygen saturation, pulse rate, and perfusion index; and', 'cause display, on the display ...

NON-INVASIVE PHYSIOLOGICAL SENSOR COVER

A sensor cover according to embodiments of the disclosure is capable of being used with a non-invasive physiological sensor, such as a pulse oximetry sensor. Certain embodiments of the sensor cover reduce or eliminate false readings from the sensor when the sensor is not in use, for example, by blocking a light detecting component of a pulse oximeter sensor when the pulse oximeter sensor is active but not in use. Further, embodiments of the sensor cover can prevent damage to the sensor. Additionally, embodiments of the sensor cover prevent contamination of the sensor. 1. (canceled)2. A sensor covering system , the sensor covering system comprising:a pulse oximeter sensor comprising sensing components including at least a light-emitting component and a light-detecting component; and the sensor cover is at least partially opaque,', 'at least a portion of the sensor cover protrudes from the pulse oximeter sensor to facilitate removal of the sensor cover, and', 'the sensor cover, when adhered to the pulse oximeter sensor, covers at least one of the sensing components while the pulse oximeter sensor is active and blocks at least a portion of light from the one or more emitters from being received by the detector., 'a sensor cover configured to be adhered to the pulse oximeter sensor and removed before use of the pulse oximeter sensor, wherein3. The sensor covering system of claim 2 , wherein the portion of the sensor cover that protrudes from the pulse oximeter sensor extends beyond an edge of the pulse oximeter sensor to enable removal of the sensor cover from the pulse oximeter sensor.4. The sensor covering system of claim 3 , wherein the portion of the sensor cover that protrudes from the pulse oximeter sensor comprises a rectangular planar shape.5. The sensor covering system of claim 4 , wherein the portion of the sensor cover that protrudes from the pulse oximeter sensor is not adhered to the pulse oximeter sensor when the sensor cover is adhered to the pulse ...

Monitor configuration system

A monitor configuration system which communicates with a physiological sensor, the monitor configuration system including one or more processors and an instrument manager module running on the one or more processors. At least one of the one or more processors communicates with the sensor and calculates at least one physiological parameters responsive to the sensor. The instrument manager controls the calculation, display and/or alarms based upon the physiological parameters. A configuration indicator identifies the configuration profile. In one aspect of the invention, the physiological sensor is a optical sensor that includes at least one light emitting diode and at least one detector.

SYSTEM FOR SENSING VITAL SIGNS ASSOCIATED WITH THE USE OF DISPOSABLE ABSORBENT ARTICLES

The present invention protects a system for monitoring the vital signs of a user of a disposable absorbent article that comprises a sensor device, a bi-dimensional code and a receiver, such that the sensor device is placed in contact with the user and the system is triggered by the reading of the bi-dimensional code through the receiver, such that the bi-dimensional code is place inside the packaging of the disposable absorbent article. 160.-. (canceled)61. A monitoring system for vital signs of a user of a disposable absorbent article which comprises a sensor device , a bi-dimensional code and a receiver , wherein said system is characterized in that said sensor device is not in direct contact with the disposable absorbent article and is placed in contact with the user and the system is configured to be triggered through the reading of the bi-dimensional code by the receiver , such that the bi-dimensional code is placed inside a packaging of the disposable absorbent article.62. The monitoring system for vital signs of a user of a disposable absorbent article according to claim 61 , further characterized in that said sensor device comprises a sensor programed to read at least one vital sign and a frame inside which said sensor is placed.63. The monitoring system for vital signs of a user of a disposable absorbent article according to claim 62 , further characterized in that said sensor is programed to monitor the pulse claim 62 , the breathing rate claim 62 , the temperature or the blood pressure claim 62 , of the user of the disposable absorbent article.64. The monitoring system for vital signs of a user of a disposable absorbent article according to claim 62 , further characterized in that the frame is a bracelet or a self-stick patch or a medal or a clip.65. The monitoring system for vital signs of a user of a disposable absorbent article according to claim 64 , further characterized in that said frame is made of a renewable or a natural origin material.66. The ...

BODY-WORN PULSE OXIMETER

The invention provides a body-worn system that continuously measures pulse oximetry and blood pressure, along with motion, posture, and activity level, from an ambulatory patient. The system features an oximetry probe that comfortably clips to the base of the patient's thumb, thereby freeing up their fingers for conventional activities in a hospital, such as reading and eating. The probe secures to the thumb and measures time-dependent signals corresponding to LEDs operating near 660 and 905 nm. Analog versions of these signals pass through a low-profile cable to a wrist-worn transceiver that encloses a processing unit. Also within the wrist-worn transceiver is an accelerometer, a wireless system that sends information through a network to a remote receiver, e.g. a computer located in a central nursing station. 1(a) measuring a first time-dependent signal by detecting radiation emitted by a first radiation source after it passes through a portion of the patient;(b) measuring a second time-dependent signal by detecting radiation emitted by a second radiation source after it passes through a portion of the patient;(c) measuring a time-dependent motion signal with at least one motion sensor;(d) measuring a time-dependent electrical signal with an electrical sensor comprising at least two electrodes;(e) processing the time-dependent electrical signal to determine at least one reference point;(f) processing the time-dependent motion signal to determine a motion-related event that affects at least one of the first and second time-dependent signals;(g) processing both the first and second time-dependent signals from the reference point and outside of the motion-related event to determine time-dependent signals; and(h) processing the time-dependent signals to determine a value of oxygen saturation.. A method for determining an oxygen saturation value from a patient, comprising the following steps: This application is a continuation of U.S. patent application Ser. No. 12/559 ...

Alarm suspend system

An alarm suspend system utilizes an alarm trigger responsive to physiological parameters and corresponding limits on those parameters. The parameters are associated with both fast and slow treatment times corresponding to length of time it takes for a person to respond to medical treatment for out-of-limit parameter measurements. Audible and visual alarms respond to the alarm trigger. An alarm silence button is pressed to silence the audible alarm for a predetermined suspend time. The audible alarm is activated after the suspend time has lapsed. Longer suspend times are associated with slow treatment parameters and shorter suspend times are associated with fast treatment parameters.

Universal fingertip sensor

A device includes a digit probe, a plurality of optical elements, a processor, and a communication module. The digit probe has an interior surface and has an exterior surface. The interior surface is configured to engage a digit and the exterior surface is configured to engage a tissue site associated with the digit. The plurality of optical elements is coupled to at least one of the interior surface and the exterior surface. The plurality of optical elements includes at least one emitter and includes at least one detector. The processor is coupled to the plurality of optical elements. The processor is configured to generate a measure of arterial oxygenation corresponding to the digit and configured to generate a measure of regional oxygenation corresponding to the tissue site. The communication module is coupled to the processor. The communication module is configured to communicate the measure of arterial oxygenation and regional oxygenation with a remote device.

Optical sensor including disposable and reusable elements

An embodiment of the present disclosure provides a noninvasive optical sensor or probe including disposable and reusable components. The assembly of the disposable and reusable components is straightforward, along with the disassembly thereof. During application to a measurement site, the assembled sensor is advantageously secured together while the componentry is advantageously properly positioned.

PORTABLE MONITORING DEVICES AND METHODS OF OPERATING SAME

According to one embodiment, an apparatus comprising a portable monitoring device to be affixed to a user. The portable monitoring device including: 1) a set of one or more sensors to generate sensor data indicative of physical activity of a user when the portable monitoring device is affixed to the user; and 2) processing circuitry coupled with the set of sensors, to detect that the user has been sedentary for a period of time, and cause the portable monitoring device to alert the user responsive to the detection to encourage the user to move. 1. An apparatus comprising:housing configured to be affixed to a user;one or more sensors located within the housing and configured to generate data associated with physical activity of the user when the housing is affixed to the user;a memory; and (a) determine that the user is swimming,', '(b) receive the data generated by the one or more sensors and associated with the physical activity of the user,', '(c) store, on the memory, sensor data generated based on the data generated by the one or more sensors and associated with physical activity by the user, (d) determine, based at least in part on the determination of (a) that the user is swimming and on the sensor data, one or more of: a calorie burn associated with swimming by the user and one or more swimming metrics of the user, and', '(e) cause information associated with the determination of (d) to be presented to the user., 'processing circuitry, coupled with the one or more sensors and the memory, configured to2. The apparatus of claim 1 , wherein:the determination of (d) is of the calorie burn associated with swimming by the user, andthe determination of the calorie burn associated with swimming by the user is further based, at least in part, on a swimming speed of the user and a duration of a time period during which the user was swimming at that speed.3. The apparatus of claim 2 , wherein the swimming speed of the user is determined based claim 2 , at least in part ...

NOISE SHIELDING FOR A NONINVASIVE DEVICE

A noninvasive physiological sensor for measuring one or more physiological parameters of a medical patient can include a bump interposed between a light source and a photodetector. The bump can be placed in contact with body tissue of a patient and thereby reduce a thickness of the body tissue. As a result, an optical pathlength between the light source and the photodetector can be reduced. In addition, the sensor can include a heat sink that can direct heat away from the light source. Moreover, the sensor can include shielding in the optical path between the light source and the photodetector. The shielding can reduce noise received by the photodetector. 1. An optical medical sensor configured to detect light attenuated by body tissue of a patient , the sensor comprising:a sensor housing comprising a first shell and a second shell pivotally connected together, the first and second shells each shaped to accept body tissue of a medical patient;an emitter disposed in the first shell, the emitter configured to emit light on the body tissue of the medical patient;a detector disposed in the second shell, the detector configured to receive light attenuated by the body tissue along an optical path; andshielding disposed between the emitter and the detector, the shielding comprising a substantially-transparent, electrically-conductive material in the optical path.2. The sensor of claim 1 , wherein the shielding is configured to reduce noise received by the detector.3. The sensor of claim 1 , further comprising a housing coupled to the shielding.4. The sensor of claim 3 , wherein the housing is further coupled to a submount of the emitter claim 3 , such that the housing claim 3 , submount claim 3 , and shielding provide a substantially airtight seal to protect the emitter from fluids and vapors.5. The sensor of claim 3 , wherein the housing is further coupled to a submount of the detector claim 3 , such that the housing claim 3 , submount claim 3 , and shielding provide a ...

METHOD AND SYSTEM FOR NON-INVASIVE OPTICAL BLOOD GLUCOSE DETECTION UTILIZING SPECTRAL DATA ANALYSIS

Systems and methods are disclosed for non-invasively measuring blood glucose levels in a biological sample based on spectral data. This includes at least one light source configured to strike a target area of a sample, at least one light detector, which includes a preamplifier having a feedback resistor, positioned to receive light from the at least one light source and to generate an output signal, having a time dependent current, which is indicative of the power of light detected, and a processor configured to receive the output signal from the at least one light detector and based on the received output signal, calculate the attenuance attributable to blood in a sample present in the target area and eliminate effect of uncertainty caused by temperature dependent detector response of the at least one light detector, and based on the calculated attenuance, determine a blood glucose level associated with a sample. 114-. (canceled)15. A system for detecting glucose in a biological sample , comprising:at least one light beam generating structure;at least one photocurrent signal generating light detector; anda light absorbance change determining algorithm implemented processor programmed to calculate a change in a light absorption caused by blood in a biological sample and configured to receive the output photocurrent signal from the at least one photocurrent signal generating light detector and based on the received output photocurrent signal to determine a blood glucose level associated with the biological sample present in the target area.16. The system of claim 15 , wherein the light absorbance change determining algorithm implemented processor is programmed to calculate the attenuance attributable to blood in the biological sample based on the received output photocurrent signal.17. The system of claim 15 , wherein the light absorbance change determining algorithm implemented processor is programmed to eliminate effect of uncertainty caused by temperature ...

NON-INVASIVE CARDIOVASCULAR MONITORING DEVICE

A cardiovascular monitoring system includes a sensor assembly and a controller. The sensor assembly includes a membrane enclosing a viscous fluid, a substrate immersed in the viscous fluid, and at least one strain gauge mounted with the substrate. The strain gauge is configured to detect bending of the substrate due to changes in capillary blood pressure of a person in contact with the membrane at less than 50 mmHg contact pressure and to output a signal indicative of the changes. The controller may be configured to output a change in mean arterial pressure of the person based on a profile of the signal that is associated with a heartbeat of the person. Also, the controller may be configured to output the mean arterial pressure based on a weight signal indicative of a weight of the person and the profile of the signal associated with the heartbeat. 1. A blood pressure sensor assembly comprising:a membrane having a surface configured for contact with a body of a patient;a liquid surrounded by the membrane and having a viscosity greater than 0.008 Poise;a substrate immersed in the liquid; anda strain gauge mounted with the substrate such that changes in a contact pressure between the membrane and body due to changes in blood pressure associated with the body result in flexion of the substrate and changes in an output signal of the strain gauge.2. The assembly of further comprising a controller configured to output data indicative of changes in mean arterial pressure based on the changes in the output signal.3. The assembly of claim 2 , wherein the changes in the output signal define a pressure profile and wherein the changes in mean arterial pressure are derived from differences between maximum and minimum amplitudes of the profile.4. The assembly of claim 2 , wherein the controller is further configured to output a subsequent mean arterial pressure based on an initial mean arterial pressure and a difference between consecutive centroids of a profile of the output ...

SYSTEM AND METHOD FOR MONITORING THE LIFE OF A PHYSIOLOGICAL SENSOR

Aspects of the present disclosure include a sensor configured to store in memory indications of sensor use information and formulas or indications of formulas for determining the useful life of a sensor from the indications of sensor use information. A monitor connected to the sensor monitors sensor use and stores indications of the use on sensor memory. The monitor and/or sensor compute the useful life of the sensor from the indications of use and the formulas. When the useful life of the sensor is reached, an indication is given to replace the sensor. 120-. (canceled)21. A physiological sensor comprising:at least one emitter configured to transmit light;at least one detector configured to detect the light after it has interacted with tissue of a patient and to generate a signal responsive to the detected light; anda memory device storing information indicating how to calculate a life expectancy of the sensor,wherein a separately housed patient monitor obtains the information indicating how to calculate the life expectancy of the sensor and estimates the life expectancy of the sensor using the information indicating how to calculate the life expectancy of the sensor.22. The sensor of claim 21 , wherein the information indicating how to calculate the life expectancy of the sensor comprises a mathematical function.23. The sensor of claim 22 , wherein sensor use information is an input to the mathematical function claim 22 , wherein an estimated life expectancy of the sensor is an output of the mathematical function.24. The sensor of claim 23 , wherein the sensor use information corresponds to one or more of an amount of time the sensor has been used claim 23 , an amount of time power has been provided to the sensor claim 23 , a number of times the sensor has been powered up claim 23 , a number of times the sensor has been powered down claim 23 , a number of times the sensor has been connected to a patient monitor claim 23 , a number of different patient monitors that ...

Portable Monitoring Devices For Processing Applications and Processing Analysis of Physiological Conditions of a User associated with the Portable Monitoring Device

An activity monitoring device and associated methods for using and interfacing with the activity monitoring device are provided. In one example, the activity monitoring device includes a housing configured for attachment to a body part of a user. Also included ins a display screen attached to the housing and a sensor for capturing physiological conditions of the user. The sensor is disposed along a surface of the housing so that the sensor is proximate to the body part, the body part having at least some exposed skin. The activity monitoring device also includes memory for storing the captured physiological conditions, and a processor for examining the captured physiological conditions. At a particular time, the processor automatically selects an application to execute from a plurality of applications based on characteristics of the captured physiological conditions.

SYSTEM AND METHODS OF IDENTIFYING AND ALERTING A USER OF A HEALTH EVENT

A health event monitoring system includes a measurement device that measures a health aspect of a monitored person to provide a measured health aspect, a notification device that provides a notification to a user of the system, and an analyzer that compares the measured health aspect with a predetermined health aspect threshold and which activates the notification device when the measured health aspect passes the predetermined health aspect threshold. 1. A system for activating an alarm when a blood oxygen content in a monitored person drops below a predetermined level , comprising:an oximeter that measures a blood oxygen level in a monitored person to provide a measured blood oxygen level;an analyzer that determines when said measured blood oxygen level falls below a predetermined blood oxygen level; anda notification component activated by said analyzer to provide a notification when said measured blood oxygen level falls below said predetermined blood oxygen level.2. The system of wherein said oximeter is releasably secured on a small appendage of the monitored person claim 1 , said small appendage chosen from the group consisting of an earlobe claim 1 , a finger claim 1 , and a toe.3. The system of wherein said monitored person is chosen from the group consisting of an adult monitored for sleep apnea and an infant monitored for SIDS.4. The system of wherein said oximeter comprises a clamping device to releasably clamp said oximeter to said monitored person.5. The system of wherein said oximeter comprises the only measurement device of said system.6. The system of wherein said analyzer activates said notification component only upon said measured blood oxygen level falling below said predetermined blood oxygen level and in an absence of measurement of other bodily events occurring in said monitored person.7. The system of wherein said oximeter continuously monitors said blood oxygen level in said monitored person such that said measured blood oxygen level is ...

MONITOR EQUIPMENT

Disclosed is a monitor equipment. The monitor equipment comprising a nasal clip configured to clip onto nasal septum of a patient. Further, the monitor equipment comprising a monitor detector connected to the nasal clip through at least one of a wired and a wireless connection. Further, the monitor equipment comprising an electro-surgical unit (ESU) connected to the monitor detector through at least one of a wired and a wireless connection 1. A monitor equipment comprising:a nasal clip configured to clip onto nasal septum of a patient;a monitor detector connected to the nasal clip through at least one of a wired and a wireless connection; andan electro-surgical unit (ESU) connected to the monitor detector through at least one of a wired and a wireless connection.2. The monitor equipment of wherein the nasal clip comprising two probes inserted in the nasal cavities of the patient claim 1 , wherein ends of the two probes touch a surface of the nasal septum of the patient.3. The monitor equipment of wherein at least one side of a probe in the two probes includes at least one of a temperature sensor and a part of a pulse oximeter (POx) sensor.4. The monitor equipment of wherein the ESU comprises at least one of a generator claim 1 , a handpiece and a foot switch claim 1 , wherein at least one of the handpiece and the foot switch includes an on/off switch to control the ESU.5. The monitor equipment of wherein the at least one of the handpiece and the foot switch includes an internal switch claim 4 , wherein when the on/off switch is activated claim 4 , the internal switch is also activated.6. The monitor equipment of wherein the internal switch is configured to send at least one of an image and a signal from the generator to the monitor detector.7. The monitor equipment of wherein the monitor detector displays the signal differently from any other information displayed on the monitor detector.8. The monitor equipment of wherein the monitor detector displays the signal ...

OPTICAL PATIENT MONITOR

An optical based patient monitoring system employing an optical sensor and providing an indication of an optical change which does not correlate to a change in a physiological blood parameter and based on that indication, providing a care provider an indication of a condition of a patient. The optical based patient monitoring system providing the indication of the patient condition in relation to a patient using an IV setup. 126.-. (canceled)27. A method of determining a physiological parameter data through a change in measurement site , the method comprising:obtaining first signal data from a sensor configured to attach at a first measurement site of a patient during a first time period;determining a physiological parameter during the first time period based on the first signal data;detecting a change in measurement site of the sensor from the first measurement site to a second measurement site of the patient;obtaining second signal data from the second measurement site of the patient during a second time period after the first time period and after detecting the change in measurement site of the sensor;determining an offset based on a first magnitude of a first portion of the first signal data obtained at the first measurement site and a second magnitude of a second portion of the second signal data obtained at the second measurement site;correcting the second signal data based on the determined offset, wherein the correcting comprises shifting the second signal data based on the determined offset; anddetermining the physiological parameter during the second time period based on the corrected second signal data.28. The method of claim 27 , wherein the physiological parameter comprises a met-hemoglobin measurement.29. The method of claim 27 , wherein the physiological parameter comprises a hemoglobin measurement.30. The method of claim 27 , wherein the physiological parameter comprises an oxygen saturation level.31. The method of claim 27 , wherein the ...

LABOR MANAGEMENT DEVICES PROVIDING PELVIC FLOOR SUPPORT

The present disclosure provides devices for supporting pelvic floor tissues to decrease the incidence of pelvic floor injuries during child birth. In one aspect, a pelvic floor support device is positioned adjacent the pelvic floor tissues. The pelvic floor support device includes a support member having a pressure surface configured for engagement with tissue adjacent the pelvic floor and a pressure detecting system associated with the pelvic floor support member to detect pressure indicative of pressure on the pelvic floor of a patient. 1. A childbirth labor pelvic floor support apparatus , comprising: ["a tactile feedback surface configured to apply pressure on tissue within the gluteal cleft aligned with the patient's midline within a sagittal plane adjacent a pelvic floor of a patient to support the pelvic floor during child birth; and", "at least one compression element extending in a direction away from the tactile feedback surface and configured to convey applied loading toward the tactile feedback surface to maintain the tactile feedback surface in a position that applies pressure on the tissue aligned with the patient's midline to support the pelvic floor; and"], 'a pelvic floor support member comprisinga pressure detecting system associated with the pelvic floor support member to detect pressure indicative of pressure on the tissue adjacent the pelvic floor of the patient.2. The childbirth labor pelvic floor support apparatus of claim 1 , wherein the pressure detecting system comprises:a pressure detecting element configured to detect pressure applied on the tissue of the pelvic floor by the pelvic floor support member; anda user interface configured to display information relating to the pressure detected by the pressure detecting element.3. The childbirth labor pelvic floor support apparatus of claim 2 , wherein the user interface is configured to wirelessly communicate with the pressure detecting element.4. The childbirth labor pelvic floor support ...

Physiological parameter confidence measure

Confidence in a physiological parameter is measured from physiological data responsive to the intensity of multiple wavelengths of optical radiation after tissue attenuation. The physiological parameter is estimated based upon the physiological data. Reference data clusters are stored according to known values of the physiological parameter. At least one of the data clusters is selected according to the estimated physiological parameter. The confidence measure is determined from a comparison of the selected data clusters and the physiological data.

BODY COMPOSITION MEASUREMENT USING CLAMP ELECTRODES

A clamp electrode apparatus comprises first and second clamps which are mechanically connected to form a single integrated device and arranged side by side such that a first edge of the first clamp faces a second edge of the second clamp. A channel is defined between the first and second edges for aligning a visible mark feature of a limb, such as a malleolus or ulnar head, within the opening or channel when the first and second clamps clamp the limb. When the limb is clamped with the clamp electrode apparatus multiple times, the visible mark feature can be aligned with reference to the channel. Thus, electrodes attached to the clamps contact generally the same locations even if the clamp electrode apparatus is removed after each measurement and is not kept on the limb throughout the multiple measurements. 130-. (canceled)31. A method of an electrical measurement , the method comprising: a first clamp comprising a first upper clamp body and a first lower clamp body operably connected to each other such that the first upper and lower clamp bodies are movable relative to each other for clamping a first portion of a first limb of a subject between the first upper and lower clamp bodies,', 'a second clamp comprising a second upper clamp body and a second lower clamp body operably connected to each other such that the second upper and lower clamp bodies are movable relative to each other for clamping a second portion of the first limb adjacent the first portion between the second upper and lower clamp bodies,', 'the first and second clamps mechanically connected to form a single integrated device and arranged side by side such that a first edge of the first upper clamp body faces a second edge of the second upper clamp body and an opening or channel is defined between the first edge and the second edge,', 'a first electrode disposed on an inner surface of the first upper clamp body and configured to contact a first area of the first limb when the first limb is clamped ...

METHOD AND APPARATUS FOR MEASURING BLOOD PRESSURE

According to an aspect, there is provided an apparatus for measuring the blood pressure, BP, of a user, the apparatus comprising a volume-clamp BP monitoring device that comprises a first pressure device for applying pressure to a first part of the body of the user, a first photoplethysmogram, PPG, sensor for obtaining a first PPG signal from the first part of the body of the user, and a control unit that is configured to analyse the first PPG signal and to control the pressure of the first pressure device; wherein the control unit is configured to adjust the pressure of the first pressure device to maintain the first PPG signal at a constant level and to determine the BP of the user from the pressure of the first pressure device; and a second sensor, separate from the first PPG sensor, for measuring a physiological characteristic of the user in a second part of the body of the user, wherein the second part of the body is separate from the first part of the body; wherein the apparatus is configured to analyse the measured physiological characteristic to determine a measure of the blood perfusion in the second part of the body of the user, and to determine whether to perform a recalibration of the volume-clamp BP monitoring device on the basis of changes in the blood perfusion. 2. The apparatus of claim 1 , wherein the volume-clamp BP monitoring device further comprises a second pressure device that is for applying pressure to the second part of the body of the user and the second sensor claim 1 , wherein the second sensor is a second PPG sensor claim 1 , and wherein the apparatus is configured to alternately measure the BP of the user using the first pressure device and the first PPG sensor claim 1 , and the second pressure device and the second PPG sensor.3. The apparatus of claim 2 , wherein the apparatus is configured to analyze the PPG signal from the second PPG sensor to determine the measure of the blood perfusion in the second part of the body of the user ...

Non-Invasive Oxygen Delivery Measurement System and Method

A method of determining the oxygen delivery, comprising the steps of non-invasive measurement of the arterial blood pressure waveform, determination of cardiac output from a pulse wave analysis of said blood pressure waveform, non-invasive measurement of oxygen saturation and hemoglobin concentration and real time calculation of oxygen delivery based on the measured quantities.

NON-INVASIVE METHODS FOR DETERMINING CARDIAC OUTPUT

Cardiac output is measured using a non-invasive method comprised of administering hyperbaric of hypoxic gas to the subject then after a time measuring the resultant changes in central or peripheral oxygen saturation times using a pulse oximeter located at a peripheral body site. Preferably the device is portable and is comprised of a gas cartridge, with one or more doses, and a mouth-piece, a microprocessor for performing the analysis, a pulse oximeter probe and a display for reporting the cardiac output. 1. A non-invasive method for measuring cardiac output , comprisingadministering to a subject a hyperbaric or hypobaric gas and measuring changes in central or peripheral oxygen saturation with time using pulse oximetry at a peripheral body site representative of central circulation times.2. The method of claim 1 , wherein the measurement of cardiac output provides an indication of heart failure.3. The method of claim 2 , wherein the changes in oxygen saturation with time are central circulation times of more than 15 seconds for heart failure claim 2 , 8-15 seconds for normal status claim 2 , or less than 8 seconds for sepsis with increased cardiac output.4. The method of claim 1 , wherein the peripheral body site representative of central circulation times is the face or neck.5. The method of claim 1 , wherein the peripheral body site representative of central circulation times is the skin.6. The method of claim 1 , wherein the peripheral body site representative of central circulation times is the lips.7. The method of claim 1 , wherein the peripheral body site representative of central circulation times is the tongue.8. The method of claim 1 , wherein the peripheral body site representative of central circulation times is ear lobe.9. The method of claim 1 , wherein the peripheral body site representative of central circulation times is a finger.10. The method of claim 1 , wherein the hyperbaric or hypobaric gas is selected from the group consisting of nitrogen ...

Measurement apparatus, determination method, and non-transitory recording medium

A measurement apparatus is equipped with a processor. The processor acquires first velocity data, which is data on a velocity in a first direction, and second velocity data, which is data on a velocity in a second direction orthogonal to the first direction, on the basis of accelerations acquired at an acceleration sensor. The processor calculates a first coefficient on the basis of the acquired first velocity data and the acquired second velocity data. The processor determines whether the measurement apparatus is installed in normal orientation on the basis of the calculated first coefficient.

SYSTEMS AND METHODS FOR MEASURING AIR QUALITY

A method of determining a user's exposure to pollution, the method comprising sensing environmental conditions by a detector device, transmitting sensed environmental conditions data from the detector device to a smart device, and alerting the user about personal pollutant exposure by the smart device. 1. A method of determining a user's exposure to pollution , the method comprising:sensing environmental conditions by a detector device;transmitting sensed environmental conditions data from the detector device to a smart device;andalerting the user about personal pollutant exposure by the smart device.2. The method of claim 1 , further comprising:inputting the sensed environmental conditions data from the smart device into a web-based simulation model; andupdating the web-based simulation model based on the sensed environmental conditions data from the smart device.3. The method of claim 2 , wherein updating the web-based simulation model comprises interpolating the web-based simulation model of the pollution exposure levels based on the sensed environmental conditions data from the detector device.4. The method of claim 2 , further comprising transmitting a user's GPS location to the web-based simulation model.5. The method of claim 4 , wherein interpolating the web-based simulation model of the pollution exposure levels is at least in part based on the user's GPS location.6. The method of claim 1 , wherein the detector device is wearable.7. The method of claim 6 , wherein the wearable detector device is attached to a wrist of a user with a strap claim 6 , or attached to clothing of the user with a clip or a patch.8. The method of claim 1 , wherein the detector device is carried by the user.9. The method of claim 1 , wherein at least one of the sensed environmental conditions is a nitrogen dioxide exposure.10. The method of claim 1 , wherein at least one of the sensed environmental conditions is a carbon monoxide exposure claim 1 , a sulfur dioxide exposure claim 1 ...

BIOINFORMATION MEASURING DEVICE

The present invention provides a bioinformation measuring device having a first device body, a second device body, and a transducer assembly. The first device body has a first inner surface, and the second device body has a second inner surface facing the first inner surface. An accommodation space for finger is surrounded by the first inner surface and the second inner surface. The transducer assembly is disposed at the second inner surface and includes a finger contact surface facing the first inner surface. The finger contact surface is movable in a first direction perpendicular to the finger contact surface. 1. A bioinformation measuring device for monitoring bioinformation from a blood vessel in a finger , the device comprising:a first device body having a first inner surface;a second device body having a second inner surface, where the first inner surface faces the second inner surface to define an accommodation space configured for positioning of the finger; anda sensor assembly comprising a contact surface and a sensor element, the sensor assembly located in the second device body and having a contact member with a contact surface that extends into the accommodation space, wherein the contact member is coupled to the lower body by a connection region which elastically deforms to a greater degree than the contact member to permit the contact surface to move in a first direction into the second device body and out of the accommodation space when engaged by the finger.2. The device of claim 1 , where a bottom surface of the contact member is coupled to the connection region such that a remainder of the contact region extends into the accommodation space.3. The device of claim 2 , wherein the contact member is elastic and can deform along the first direction.4. The device of claim 1 , the second inner surface comprises an opening claim 1 , and where the connection region is connected to the second inner surface and surrounds the contact member to suspend the ...

Physiological parameter system

A physiological parameter system has one or more parameter inputs responsive to one or more physiological sensors. The physiological parameter system may also have quality indicators relating to confidence in the parameter inputs. A processor is adapted to combine the parameter inputs, quality indicators and predetermined limits for the parameters inputs and quality indicators so as to generate alarm outputs or control outputs or both.

EEG ELECTRODE ASSEMBLY

The invention comprises an EEG electrode assembly for use in attaching an EEG electrode to the scalp of a subject having coarse, curly and/or long hair, or to subjects having their hair in cornrows, braids, and/or dreadlocks. The invention comprises clips for engaging the hair of the subject, the clips being attached to a central portion for holding electrode in contact with the scalp of the subject when the clips are engaged with the hair of the subject. 1. A device for positioning an electrode with respect to a subject comprising:a clip portion configured to engage hair of the subject; anda central portion coupled to the clip portion for holding the electrode such that the electrode is in close proximity to or in contact with the subject when the clip portion is engaged with the hair of the subject.2. The device of claim 1 , the clip portion further comprising one or more clips.3. The device of wherein the one or more clips extend outwardly from a longitudinal axis of the central portion.4. The device of claim 2 , wherein the one or more clips lie in one or more planes through which the longitudinal axis of the central portion passes.5. The device of wherein the one or more clips are distributed at equal angles around the longitudinal axis of the central portion.6. The device of wherein a first portion of the one or more clips extend from one side of the longitudinal axis of the central portion and wherein a second portion of the one or more clips extend from an opposite side of the longitudinal axis of the central portion.7. The device of wherein the one or more clips have a substantially flat profile.8. The device of wherein the one or more clips have a tapered end to facilitate the placement of the one or more clips under the hair of the subject.9. The device of wherein the one or more clips have a serrated edge to hold the clips under the hair of the subject.10. The device of wherein the central portion comprises:a body portion having a recess for accepting ...

WEARABLE AUDIO DEVICES

A wearable audio device includes a housing configured to be positioned at an ear of a subject, a speaker and a chipset within the housing. The chipset includes a plurality of sensor elements, at least one signal processor, at least one digital bus, power regulating circuitry, and at least one wireless transmitter. The sensor elements include at least one optical emitter, at least one optical detector, and at least one noise source. The chipset is positioned within the housing such that the at least one optical emitter and at least one optical detector are in optical communication with the ear via a window in the housing. The at least one signal processor includes sensor signal conditioning algorithms configured to process signals from the sensor elements to generate physiological assessment information about the subject. The at least one wireless transmitter is configured to communicate the physiological assessment information to a remote device. 1. A wearable audio device , comprising:a housing configured to be positioned at an ear of a subject, the housing comprising a window; anda chipset within the housing, the chipset comprising:a plurality of sensor elements comprising at least one optical emitter, at least one optical detector, and at least one noise source;at least one signal processor comprising sensor signal conditioning algorithms, wherein the at least one signal processor is configured to process signals from the at least one optical detector and the at least one noise source to generate physiological assessment information about the subject;at least one digital bus configured to enable digital communication between the plurality of sensor elements and the at least one signal processor;power regulating circuitry; andat least one wireless transmitter configured to communicate the physiological assessment information to a remote device;wherein the chipset is positioned within the housing such that the at least one optical emitter and at least one optical ...

Optical sensor including disposable and reusable elements

An embodiment of the present disclosure provides a noninvasive optical sensor or probe including disposable and reusable components. The assembly of the disposable and reusable components is straightforward, along with the disassembly thereof. During application to a measurement site, the assembled sensor is advantageously secured together while the componentry is advantageously properly positioned.

Pulse and active pulse spectraphotometry

A pulse and active pulse spectraphotometry system comprises a light source adapted to illuminate a tissue site with optical radiation having a plurality of wavelengths selected from at least one of a primary band of about 1620 nm to about 1730 nm and a secondary band of about 1000 nm to about 1380 nm.

REMOVABLE BASE FOR WEARABLE MEDICAL MONITOR

A removable base of a wearable medical monitor includes a mating surface configured to reversibly couple the removable base to a body of the wearable medical monitor. The removable base may also include certain functional features, such as a sensor configured to detect a physiological parameter of a patient and/or a memory configured to store data for identifying characteristics of the sensor or the patient. 1. A wearable medical monitor , comprising:a body; anda removable base;mating surfaces on the body and the removable base positioned to reversibly couple the removable base to the body;a memory carried by the removable base, the memory configured to store data for identifying a patient; anda switch disposed on the removable base and activated by coupling of the removable base to the body, the switch providing power to the body when activated.2. The wearable medical monitor of claim 1 , wherein the switch is de-activated when the removable base is decoupled from the body.3. The wearable medical monitor of claim 1 , wherein the switch comprises a protrusion formed on the base aligned with a button on the body.4. The wearable medical monitor of claim 1 , comprising a power source carried by the base configured to provide power to the body through the switch.5. The wearable medical monitor of claim 1 , comprising a sensor disposed on the removable base.6. The wearable medical monitor of claim 5 , wherein the sensor is configured to detect a physiological parameter of the patient and to communicate the physiological parameter of the patient to the body when the removable base is coupled to the body.7. The wearable medical monitor of claim 6 , wherein the body comprises a processor configured to access the memory to obtain data for identifying characteristics of the sensor and the data for identifying characteristics of the patient.8. The wearable medical monitor of claim 7 , wherein the body comprises a transceiver configured to communicate the data for identifying ...

System for in-home self-assessment of risk for abnormal airflow during sleep

A self-assessment system for assessing risk for experiencing abnormal airflow during sleep. A preferred embodiment of the system includes a cannula for sampling nasal airflow of a user. A data recording and communication device includes a sensor to receive airflow from the cannula, a converter to convert breathing airflow to an electronic signal, a recorder to record electronic signal data, and a transmitter to wirelessly transmit said electronic signal data. A mobile device includes a receiver to receive said electronic signal data transmitted from the recording and communication device, a database to store the electronic signal data, an interface to obtain questionnaire data from the user, a transmitter to wirelessly transmit the electronic signal and questionnaire data, and a mechanism to store or access instructional video information. A computer server includes a receiver to receive the electronic signal data and questionnaire data transmitted from the mobile device and a mechanism to generate a risk profile from the data received.

PHYSIOLOGICAL MEASUREMENT DEVICE

A sensor interface is configured to receive a sensor signal. A transmitter generates a transmit signal. A receiver receives the signal corresponding to the transmit signal. Further, a monitor interface is configured to communicate a waveform to the monitor so that measurements derived by the monitor from the waveform are generally equivalent to measurements derivable from the sensor signal. 1. (canceled)2. A pulse oximetry system comprising: [ a light emitter configured to emit light into a tissue site of the digit of the patient;', 'a light detector configured to output a sensor signal responsive to at least a portion of the emitted light after attenuation by tissue of the tissue site; and', 'a cable extending from the pulse oximetry sensor and configured to electrically convey the first signal;, 'a pulse oximetry sensor configured to be attached to a digit of a patient, the pulse oximetry sensor including at least, 'a housing configured to be secured to a lower arm of the patient, wherein the cable is configured to interface with the housing on a side of the housing and extend from the side of the housing along a path perpendicular to the side of the housing;', 'a strap mountable to the housing, the strap configured to secure the housing to the lower arm of the patient;', cause activation of the light emitter to emit light;', 'receive the sensor signal from the light detector;', 'determine, based at least in part on the sensor signal, measurements of physiological parameters including at least oxygen saturation and pulse rate; and', 'generate a transmit signal including information indicative of the measurements of the physiological parameters;, 'one or more signal processors configured to, 'a signal transmitter configured to wirelessly transmit the transmit signal to a receiver computing system; and', 'a battery configured to power the portable patient monitoring device including at least the one or more signal processors and the signal transmitter; and, 'a ...

VARIABLE MODE PULSE INDICATOR

A user configurable variable mode pulse indicator provides a user the ability to influence outputs indicative of a pulse occurrence at least during distortion, or high-noise events. For example, when configured to provide or trigger pulse indication outputs, a pulse indicator designates the occurrence of each pulse in a pulse oximeter-derived photo-plethysmograph waveform, through waveform analysis or some statistical measure of the pulse rate, such as an averaged pulse rate. When the configured to block outputs or not trigger pulse indication outputs, a pulse indicator disables the output for one or more of an audio or visual pulse occurrence indication. The outputs can be used to initiate an audible tone “beep” or a visual pulse indication on a display, such as a vertical spike on a horizontal trace or a corresponding indication on a bar display. The amplitude output is used to indicate data integrity and corresponding confidence in the computed values of saturation and pulse rate. The amplitude output can vary a characteristic of the pulse indicator, such as beep volume or frequency or the height of the visual display spike. 18.-. (canceled)9. A method of configuring output indications of pulse occurrences in an patient monitor capable of monitoring a pulse rate through a signal from a noninvasive optical sensor , the method comprising:receiving an input signal from said sensor;determining a measure of distortion in said input signal; andwhen said measure indicates a high level of distortion, outputting an indication of pulse occurrences according to user-selected configuration parameters.10. The method of claim 9 , wherein said indication comprises a pulse beep.11. The method of claim 10 , wherein said configuration parameters cause said pulse beep to be blocked.12. The method of claim 10 , wherein said configuration parameters cause said pulse beep to be responsive to a statistical representation of a calculated pulse rate.13. The method of claim 9 , wherein ...

BODY COMPOSITION MEASUREMENT USING CLAMP ELECTRODES

A clamp electrode apparatus comprises first and second clamps which are mechanically connected to form a single integrated device and arranged side by side such that a first edge of the first clamp faces a second edge of the second clamp. A channel is defined between the first and second edges for aligning a visible mark feature of a limb, such as a malleolus or ulnar head, within the opening or channel when the first and second clamps clamp the limb. When the limb is clamped with the clamp electrode apparatus multiple times, the visible mark feature can be aligned with reference to the channel. Thus, electrodes attached to the clamps contact generally the same locations even if the clamp electrode apparatus is removed after each measurement and is not kept on the limb throughout the multiple measurements. 1. A clamp electrode apparatus comprising:a first clamp comprising a first upper clamp body and a first lower clamp body operably connected to each other such that the first upper and lower clamp bodies are movable relative to each other for clamping a first portion of a limb of a subject between the first upper and lower clamp bodies;a second clamp comprising a second upper clamp body and a second lower clamp body operably connected to each other such that the second upper and lower clamp bodies are movable relative to each other for clamping a second portion of the limb adjacent the first portion between the second upper and lower clamp bodies;the first and second clamps mechanically connected to form a single integrated device and arranged side by side such that a first edge of the first upper clamp body faces a second edge of the second upper clamp body and an opening or channel is defined between the first edge and the second edge for aligning a visible mark feature of the limb within the opening or channel when the first and second clamps clamp the limb;a first electrode disposed on an inner surface of the first or second clamp and configured to contact a ...

Methods for Generating Data Output Containing Physiological and Motion-Related Information

A method of generating a data string containing physiological and motion-related information includes sensing physical activity of a subject via at least one motion sensor attached to the subject, sensing physiological information from the subject via at least one photoplethysmography (PPG) sensor attached to the subject, and processing signals from the at least one motion sensor and signals from the at least one PPG sensor into a serial data string of physiological information and motion-related information. A plurality of subject physiological parameters can be extracted from the physiological information, and a plurality of subject physical activity parameters can be extracted from the motion-related information. The serial data string is parsed out such that an application-specific interface can utilize the physiological information and motion-related information for an application that generates statistical relationships between subject physiological parameters and subject physical activity parameters in the physiological information and motion-related information.

SENSOR AND SHAPE RETAINER

A sensor attached to a living body includes a sensor body that outputs a signal corresponding to biological information, and a cable that is connected to a sensor body and transmits the signal. The cable has a first portion having a first flexibility and a second portion having a second flexibility lower than the first flexibility. The second flexibility enables the second portion to be bent, and is able to retain a shape of the second portion in a bent state. 1. A sensor which is attached to a living body comprising:a sensor body configured to output a signal corresponding to biological information; anda cable configured to be connected to the sensor body and to transmit the signal,wherein the cable has a first portion having a first flexibility and a second portion having a second flexibility which is lower than the first flexibility, andthe second flexibility enables the second portion to be bent and to retain a shape of the second portion in a bent state.2. The sensor according to claim 1 , wherein the second portion includes large-diameter parts having a first maximum diameter and a small-diameter part having a second maximum diameter which is smaller than the first maximum diameter.3. The sensor according to claim 2 , wherein the large-diameter parts are formed by a material having a third flexibility which is higher than the first flexibility.4. The sensor according to claim 1 , wherein the second portion is attachable to and detachable from the first portion.5. The sensor according to claim 2 , wherein the second portion is attachable to and detachable from the first portion.6. The sensor according to claim 3 , wherein the second portion is attachable to and detachable from the first portion.7. The sensor according to claim 1 , wherein the second portion having a core line which is embedded in the whole length of the second portion in a longitudinal direction of the second portion.8. A shape retainer attached to a cable for transmitting a signal claim 1 , ...

Device for monitoring oxygen saturation levels in clinical conditions

An oxygen saturation monitor ( 10 ) includes a clamp ( 12 ) having opposing first ( 14 ) and second ( 16 ) clamp portions. An array of light sources ( 18 ) is disposed on the first clamp portion. Each light source is switchable between (i) off, (ii) emitting light of a first wavelength or spectral range, (iii) emitting light of a second wavelength or spectral range different from the first wavelength or spectral range; and (iv) emitting light at both the first and second wavelengths or spectral ranges. An array of light detectors ( 20 ) is disposed on the second clamp portion facing the array of light sources. Each light detector of the array of light detectors is aligned to detect emitted light from a corresponding light source of the array of light sources.