СИСТЕМА ДЛЯ ИЗМЕРЕНИЯ ПОКАЗАТЕЛЕЙ ЖИЗНЕДЕЯТЕЛЬНОСТИ С ИСПОЛЬЗОВАНИЕМ КАМЕРЫ

Группа изобретений относится к медицинской технике, а именно к измерению показателей жизнедеятельности, таких как частота дыхательных движений или частота сердечных сокращений. Система содержит блок формирования изображений для получения видеоданных субъекта, маркер, который может быть прикреплен к телу субъекта и содержит машинно-считываемый графический шаблон, содержащий кодированные данные, блок обработки изображений для обнаружения маркера в видеоданных и для определения кодированных данных из графического шаблона, и блок анализа, выполненный с возможностью извлечения в зависимости от кодированных данных параметра показателя жизнедеятельности, связанного с показателем жизнедеятельности субъекта, из видеоданных и определения показателя жизнедеятельности из параметра показателя жизнедеятельности. Устройство для определения показателя жизнедеятельности субъекта входит в состав системы и предназначено для выполнения способа определения показателя жизнедеятельности субъекта. Машиночитаемый ...

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 ...

УСТРОЙСТВО МОНИТОРИНГА СЕРДЕЧНЫХ СОКРАЩЕНИЙ

Группа изобретений относится к медицинской технике. Способ мониторинга сердечных сокращений пользователя осуществляется с помощью устройства (100) мониторинга сердечных сокращений. Устройство содержит основной датчик (110) для измерения частоты сердечных сокращений пользователя, вспомогательный датчик (120) для измерения одного физиологического показателя, блок (160) управления питанием для управления работой основного датчика (110) на основании информации (126), полученной от вспомогательного датчика (120), блок (133) модели для оценки частоты сердечных сокращений пользователя на основании модели, которая хранится в блоке (133) модели, и информации (126), полученной от вспомогательного датчика (120). Основной датчик (110) имеет первый уровень потребления энергии. Вспомогательный датчик (120) имеет второй уровень потребления энергии, который ниже первого уровня потребления энергии. Блок (133) модели соединен с блоком (160) управления питанием с помощью контура обратной связи. Блок (160) ...

ОПТИЧЕСКИЙ ДАТЧИК ЖИЗНЕННЫХ ПОКАЗАТЕЛЕЙ

УСТРОЙСТВО И СИСТЕМА ДЛЯ МОНИТОРИНГА ИНФОРМАЦИИ О ПУЛЬСЕ СУБЪЕКТА

УСТРОЙСТВО ДЛЯ ФОТОПЛЕТИЗМОГРАФИИ

СИСТЕМА И СПОСОБ ОБНАРУЖЕНИЯ ЗНАЧИМЫХ АРИТМИЧЕСКИХ СОБЫТИЙ ПОСРЕДСТВОМ ФОТОПЛЕТИЗМОГРАММЫ(PPG) И АКСЕЛЕРОМЕТРА

ОПТИЧЕСКИЙ ДАТЧИК ЖИЗНЕННЫХ ПОКАЗАТЕЛЕЙ

Группа изобретений относится к медицинской технике. Оптический датчик жизненных показателей, выполненный с возможностью измерения или определения жизненных показателей пользователя, содержит источник света, выполненный с возможностью создания светового луча с диапазоном углов (α) падения. Световой луч направляют на кожу пользователя. Предусмотрен фотодетектор, выполненный с возможностью обнаружения света, характеризующего отражение светового луча из источника света в коже пользователя или от нее. Источник света и фотодетектор размещены рядом друг с другом и на одной стороне кожи пользователя. Блок задания формы света выполнен с возможностью придания формы световому лучу из источника света перед попаданием светового луча на кожу пользователя путем ограничения диапазона угла (α) падения до значения менее 20°. 3 н. и 7 з.п. ф-лы, 21 ил.

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.

Fingersensor zur Pulsoxymetrie.

Verfahren zur Konfiguration eines Sensors für reflektiertes Licht

Optischer Herzfrequenzsensor

Es wird ein optischer Herzfrequenzsensor mit mindestens einer Lichtquelle und mindestens einem Photodetektor angegeben, der als Lichtquelle eine blaue Leuchtdiode mit einem Konversionsleuchtstoff, der das blaue Licht in grün-gelbes Licht umwandelt, verwendet. Dadurch können vorteilhafte Absorptionseigenschaften des Hämoglobins ausgenutzt werden.

An apparatus and method for monitoring biometric parameters

Opto-physiological sensor and method of design

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. ...

Ear clip for a pulse rate detector

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.

IN-VIVO-SENSOR AND PROCEDURE FOR ITS PRODUCTION

BOOKLET-CASH PULSE OF OXIMETERFÜHLER WITH RE-USABLE PART

PROCEDURE AND EQUIPMENT FOR THE AUTOMATIC MEASURING OF SIGNALS IN THE OXIMETRIE.

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

MORE OXIMETER WITH SOURCE OF LIGHT AND INFORMATIONSELEMENT

LOW-NOISE OPTICAL SENSOR

LOW-NOISE OPTICAL TRANSDUCER

DEVICE AND PROCEDURE FOR THE MODULATION OF FABRIC

Detecting conditions using heart rate sensors

This relates to methods for measuring irregularities in a' signal and corresponding devices. The devices can include, a PPG sensor unit configured to detect multiple occurrences of a given event in the measured signal(s) over a sampling interval, in some instances, the device can register the occurrences of the events. In some examples;, the device can Include one or more motion sensors configured to detect whether the device is in a low-motion, state. The device may delay initiating measurements when the device Is not in a low-motion state to enhance measurement accuracy. Examples of the disclosure further include resetting the sample procedure based on one or more factors such as the number of non-qualifying 'measurements, in some examples, the -device can be configured to perform both primary and secondary measurements, where the primary measurements can Include readings using a set of operating: conditions different from the secondary measurements.

Stacked adhesive optical sensor

Positioning a wearable device for data collection

Wearable devices are described herein including at least two photodetectors and a mount configured to mount the at least two photodetectors to an external surface of a wearer. The at least two photodetectors are configured to detect alignment between the wearable device and a target on or in the body of the wearer (e.g., to detect the location of vasculature within the body of the wearer relative to the at least two photodetectors). Alignment of the at least two photodetectors relative to the target could enable detection of one or more physiological properties of the wearer. For example, the wearable device could include a sensor configured to detect a property of the target when the sensor is above the target, and alignment of the target relative to the at least two photodetectors could include the sensor being located above the target.

Manual and automatic probe calibration

Manual and automatic probe calibration

HOLDER FOR PHYSIOLOGICAL DETECTORS

LED FORWARD VOLTAGE ESTIMATION IN PULSE OXIMETER

An apparatus and method for determining if a forward voltage of an LED in a pulse oximeter is within a predetermined range. This is accomplished by measuring the current through the LED, and also by knowing the duty cycle of the pulse width modulator (PWM) drive signal to the LED.

ELECTRONIC HEADWEAR

A headwear assembly is provided that measures physiological changes, e.g., oxygen saturation, pulse, blood pressure, and body temperature of a user during physical exercise, to include athletic activities and other situations. The headwear assembly can provide integrated functionality with an external device such as a smart phone. The headwear assembly can be embodied in various configurations, e.g., stand-alone headband, cap, visor, or a helmet.

ATHLETIC WATCH

A device for monitoring athletic performance of a user has a wristband configured to be worn by the user. The electronic module may include a controller and a screen and a plurality of user inputs operably associated with the controller. The user inputs may include a user input configured to be applied by the user against the screen and in a direction generally normal to the screen. The controller may further be configured to generate one or more user interfaces in response to various user inputs and conditions. For example, the controller may generate workout mode interfaces and non-workout mode interfaces including various goal information, workout data, reminders and the like. In one or more arrangements, multiple types of information may be displayed simultaneously.

ATHLETIC WATCH

A device for monitoring athletic performance of a user has a wristband configured to be worn by the user. The electronic module may include a controller and a screen and a plurality of user inputs operably associated with the controller. The user inputs may include a user input configured to be applied by the user against the screen and in a direction generally normal to the screen. The controller may further be configured to generate one or more user interfaces in response to various user inputs and conditions. For example, the controller may generate workout mode interfaces and non-workout mode interfaces including various goal information, workout data, reminders and the like. In one or more arrangements, multiple types of information may be displayed simultaneously.

A SYSTEM AND METHOD TO DETECT SIGNIFICANT ARRHYTHMIC EVENTS THROUGH A PHOTOPLETHYSMOGRAM (PPG) AND ACCELEROMETER

A medical system (10) and method detect arrhythmi cevents. The medical system (10)includes at least one processor (28, 34, 50) programmed to perform the method. A photoplethysmogram (PPG) signal generated using a PPG probe (12)positioned on or within a patient (14) anda pulse signal generated using an accelerometer (38)positioned on or within the patient (14) received. Features from the PPG signal are extracted to PPG feature vectors, and features are extracted from the pulse signal to pulse feature vectors. The PPG feature vectors are correlated with the pulse feature vectors, and correlated PPG feature vectors and correlated pulse feature vectors are evaluated to detect arrhythmic events.

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 ...

Gerät zur Überwachung, Messung und/oder Registrierung von Pulsationen einer Körperoberfläche

AUFNEHMER FUER PHYSIOLOGISCHE GROESSEN.

Pulsfühler für die photoelektronische Messung des peripheren Pulses

Analysis of micro-circulation of blood in living tissue

Analysis of micro-circulation of blood in living tissue uses photoelectric unit to detect light variations reflected from skin ...

TRANSDUCTEURPOURDETECTER LE RYTHMECARDIAQUE.

DEVICES AND METHODS FOR DETERMINING PULSE WAVE VELOCITY BASED ON CHANGES IN VESSEL DIAMETER

TRANSDUCER TO OPTICALLY DETECT A CYCLIC PHENOMENON OF VARIABLE FREQUENCY

휴대용 펄스 측정 디바이스

... 발명의 일측면에 따라, 휴대용 펄스 측정 디바이스가 제공된다. 디바이스는 인체 조직을 통해 방사 에너지를 방출하기 위한 발광 소스(104, 106) 및 인체 조직을 통한 전파 후에 상기 방사 에너지의 세기를 검출하고 상기 전파를 나타내는 입력 신호들을 제공하기 위한 광 검출기(100, 102)에서 선택된 적어도 3개의 요소들(100, 102, 104, 106)을 포함하며, 적어도 하나의 발광 소스(104, 106) 및 적어도 하나의 광 검출기(100, 102)를 포함하는, 조명 구성; 입력 신호들을 처리하는 것에 응답하여 펄스 레이트를 결정하도록 구성된 처리 수단을 포함한다. 조명 구성의 요소들은 조명 구성에 발광 소스들(104, 106)이 조명 구성에 광 검출기들(100, 102)에 관련하여 비대칭으로 배치되는 구성으로 휴대용 펄스 측정 디바이스 내 배열된다.

Wearable sensors

An apparatus comprising: a controller configured to: receive one or more sensed signals from one or more wearable sensors, wherein a wearable sensor is for sensing a user's body and outputting a sensed signal dependent upon one or more biological processes of the user; process the one or more sensed signals and detect one or more bio signals that are determined by the one or more biological processes of the user; and process the one or more sensed signals to detect a user input signal indicative of: the user touching the user's body, and/or the user touching at least one of the wearable sensors, and/or relative movement of at least one of the wearable sensors relative to the user's body, and process the user input signal to identify a user input command.

CARDIAC ACTIVITY MONITOR FOR ARCHERY

The invention relates to a cardiac activity monitor for sports activities, especially archery, comprising a PPG-type sensor and an attachment system suitable for positioning said sensor so that it faces an area of the body, allowing a photoplethysmogram to be performed. The monitor is characterised in that the attachment system is designed so as to be able to position the sensor in the vicinity of the tibia, at the interface between the muscle and the bone.

PHOTOPLETHYSMOGRAPHY DEVICE

The invention relates to a photoplethysmography device (20) of the reflectance type, comprising a light source (4), a light sensor (5), and an interface layer (21). The interface layer (21) has a recess between the source (4) and the sensor (5) in order to prevent reflection losses between the device (20) and the skin and to prevent that light from the source (4) can reach the sensor (5) directly via the interface layer (21).

MULTIPLE WAVELENGTH SENSOR SUBSTRATE

A physiological sensor has emitters configured to transmit optical radiation having multiple wavelengths in response to corresponding drive currents. A thermal mass is disposed proximate the emitters so as to stabilize a bulk temperature for the emitters. A temperature sensor is thermally coupled to the thermal mass. The temperature sensor provides a temperature sensor output responsive to the bulk temperature so that the wavelengths are determinable as a function of the drive currents and the bulk temperature.

Systems and methods for indicating an amount of use of a sensor

Aspects of the present disclosure include systems and methods for indicating an amount of use of a pulse oximetry sensor. According to one embodiment, the system includes an oximeter that monitors the amount of use for a given sensor. The oximeter and/or the sensor may advantageously include a visual alarm, an audio alarm, a vibrational alarm, a power down function, or the like, which can be activated when a predetermined amount of use has expired. According to another embodiment, the system includes a sensor having a memory device storing a unique identifier.

DETECTOR FOR PHYSIOLOGICAL QUANTITIES

Transducers

A transducer for optically detecting a cyclic phenomenon of variable frequency and supplying an electric signal corresponding to the frequency, comprises a light source for illuminating the site of the phenomenon and a detector for detecting variations in the level of light reflected from the site of the phenomenon and providing the required electric signal, the detector being a semiconductor opto-electronic cell and the light source being positioned within the detector.

Multiple wavelength sensor interconnect

A sensor interconnect assembly has a circuit substrate. An emitter portion of the substrate is adapted to mount emitters. A detector portion of the substrate is adapted to mount a detector. A cable portion of the substrate is adapted to connect a sensor cable. A first group of conductors are disposed on the substrate electrically interconnecting the emitter portion and the cable portion. A second group of conductors are disposed on the substrate electrically interconnecting the detector portion and the cable portion. A decoupling portion of the substrate disposed proximate the cable portion substantially mechanically isolating the cable portion from both the emitter portion and the detector portion so that sensor cable stiffness is not translated to the emitters or the detector.

BIOLOGICAL INFORMATION MEASURING MODULE AND BIOLOGICAL INFORMATION MEASURING DEVICE

A biological information measuring device includes a sensor unit as a biological information measuring module. The sensor unit includes a substrate as a support portion that has a support surface and supports a light receiving portion and a second wall portion as a frame on the support surface. Assuming that the width of the second wall portion is L, a difference h between a height h from the support surface to the top surface of the light receiving portion and a height H from the support surface to the top surface of the second wall portion is expressed by Expression (1): 5 384 × 0.016 × L 4   h 5 384 × 0.039 × L 4 . ( 1 ) ...

IMAGE PROCESSING APPARATUS AND PULSE ESTIMATION SYSTEM PROVIDED THEREWITH, AND IMAGE PROCESSING METHOD

Image processing apparatus is provided with data compression processing unit that executes data compression processing on an input captured image based on inter-frame prediction; and operation-mode selection unit that is capable of selecting one of a first operation mode for normal imaging and a second operation mode for pulse estimation based on a command from a user. In a case where the second operation mode is selected, data compression processing unit sets an interval between I pictures constituting a compressed image generated by the data compression processing to an interval to be different from that in a case where the first operation mode is selected.

WIRED AUDIO HEADSET WITH PHYSIOLOGICAL MONITORING

A system for obtaining physiological information from a user is provided. The system includes a headset having at least one earbud which includes an audio speaker and a sensor for obtaining physiological data from a subject when positioned against a tissue region of an ear. The system further includes a microcontroller for relaying physiological data obtained from the sensor over a wired connection as a raw signal.

Hypovolemia diagnosis technique

Embodiments of the present disclosure relate to a system and method for determining a risk, onset, or presence of hypovolemia based on one or more features of a plethysmographic waveform during a patient breathing cycle. For example, a hypovolemic patient may exhibit characteristic changes in pulse amplitude or stroke volume during inhalation and exhalation relative to a healthy patient. Further, a trend or pattern of such features may be used to assess the patient's fluid condition.

DETECTING SYSTEM AND MOBILE ELECTRONIC APPARATUS, AND METHOD FOR DETECTING PHYSIOLOGICAL CHARACTERISTIC THEREOF METHOD THEREOF

A detecting system, a mobile electronic apparatus and a method for detecting a physiological characteristic thereof are provided. The mobile electronic apparatus includes a sensor unit, a PPG photoplethysmography (PPG) sensor, and a processing unit. The sensor unit has a first, second, and third sensing electrodes. The PPG sensor senses a PPG signal. The processing unit is coupled to the sensor unit and the PPG sensor. When the first and second sensing electrodes detect a voltage difference above a threshold, the PPG sensor is triggered to detect blood volume changes, and when the third sensing electrode is triggered to detect electrical activity of a heart between the first and third sensing electrodes, the PPG sensor is disabled by the processing unit.

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.

Monitoring device with a pedometer

A monitoring device with a pedometer function preferably comprises an article, an optical sensor, an accelerometer and processor. The optical sensor preferably comprises a photodetector and a plurality of light emitting diodes. A sensor signal from the optical sensor is processed with a filtered accelerometer output signal from the accelerometer to generate a pedometer function.

BIOMETRIC LIVENESS DETECTION THROUGH BIOCOMPATIBLE CAPACITIVE SENSOR

A method may include measuring, photoplethysmography (PPG) data and capacitance data of an object. The method may also include, with the PPG data and the capacitance data, detecting, by a microprocessor, positive peaks of the data by comparing successive measurements. The method may further include finding, by the microprocessor, a maximum peak value of the detected positive peaks, and generating, by the microprocessor, a threshold value based on detected positive peaks. If the maximum peak value is greater than the threshold value, analyze, by the microprocessor, a fingerprint of the object. The method may also include determining, by the microprocessor, based on the PPG data, the capacitance data and the fingerprint of the object, at least one of if the object is authorized or unauthorized, and if the object is a human being or not a human being.

FALL DETECTION USING PHOTOPLETHYSMOGRAPHY DETECTORS IN EAR-WEARABLE DEVICES

An ear-wearable device includes a photoplethysmography (PPG) sensor. One or more processors of the ear-wearable device are configured to determine, based on sample values of a PPG signal generated by the PPG sensor, whether a user of the ear-wearable device has fallen.

APPARATUS AND METHOD FOR NON-INVASIVELY MEASURING BLOOD PRESSURE OF MAMMAL SUBJECT

Then the MCU determines the blood pressure P from the PWV, where P is a parabolic function of the PWV.

SYNTHETIC CARDIAC OUTPUT POWER PARAMETER

A method and an apparatus for performing the method are disclosed. The method includes obtaining cardiac output power data on a user; obtaining kinetic data characterizing physical exercise intensity of the physical exercise performed by the user; detecting that a measured cardiac output power exceeds a first threshold or that physical exercise intensity changes according to a rate exceeding a second threshold; upon the detecting, determining a synthetic cardiac output power parameter based at least partly on the kinetic data; and outputting the synthetic cardiac output power parameter.

TISSUE CLAMP FOR NONINVASIVE PHYSIOLOGICAL MEASUREMENT

A device includes a clamp and a sensor. The sensor can be permanently attached to the clamp and tissue by the force exerted by the clamp. The clamp includes a first jaw member and a second jaw member. The first jaw member has a jaw face and the second jaw member has a complementary face. The second jaw member is held in alignment with the first jaw member by a joint. The joint has an elastic member configured to exert a compressive force between the jaw face and the complementary face. The joint is configured to allow movement of the jaw face relative to the complementary face in directions corresponding to pitch, roll, yaw, and heave. The compressive force is distributed over a surface of the jaw face. The sensor is coupled to the jaw face or held in place by the compressive force of the jaw face. The sensor is configured to generate a sensor signal corresponding to a physiological parameter of tissue proximate the jaw face.

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 ...

AN INTELLIGENT PORTABLE HEALTH MONITORING APPARATUS

The present invention is directed to an intelligent portable health monitoring apparatus, which is for the purpose of health surveillance. Specifically, the invention of an intelligent portable health monitoring apparatus comprises: a mainboard, and more than one set of photoelectric sensors connecting with the mainboard electronically, the more than one set of photoelectric sensors are able to adjust positions to cover the detected site properly by moving either the photoelectric transmitter or the photoelectric receiver, in order to acquire user's pulse and blood data. With the present invention of an intelligent portable health monitoring apparatus, it solves the problem of errors advantageously, which are induced by the differences of individual users during the noninvasive monitoring process, thus to present the users their accurate health conditions.

MEDICAL IMAGING DEVICE FOR SPATIALLY RESOLVED RECORDING OF MULTISPECTRAL VIDEO DATA

A medical imaging device configured to spatially resolve recording of multispectral video data of an examination area of a patient including a light source having multiple optical emitters with different wavelengths in the visible and NIR spectral range. The light source has an emitter whose wavelength lies in the range of ±50% of its half-width around the intersection of the blue and green filter curves or the green and red filter curves, and the exposure control and the data processing means are arranged to separately detect the affected two of the red and green or the green and blue colour signals in an exposure pattern with activation of the emitter at the intersection point and to evaluate them in the multispectral analysis with mutually different wavelengths shifted by the two affected filter curves as two supporting point wavelengths.

MOLDABLE EAR SENSOR

The present disclosure relates to sensors for use on a patient's ear. The sensors as provided may include a moldable member, such as a putty. The moldable member may be molded in place to affix the optical components of the sensor to a patient's ear tissue. For example, the moldable member may be sculpted around a curvature of a patient's earlobe. In particular embodiments, the moldable member may be activated, e.g., hardened, by exposure to particular temperatures or by exposure to light.

WEARABLE ELECTRONIC DEVICE

A consumer product that is a portable and, in some cases, a wearable electronic device. The wearable electronic device may have functionalities including: keeping time; monitoring a user's physiological signals and providing health-related information based on those signals; communicating with other electronic devices or services; visually depicting data on a display; gather data form one or more sensors that may be used to initiate, control, or modify operations of the device; determine a location of a touch on a surface of the device and/or an amount of force exerted on the device, and use either or both as input.

Wearable apparatus and photoplenthysmography sensor unit thereof

A wearable apparatus and a photoplethysmograph (PPG) sensor unit are provided. The wearable apparatus includes a wearable holder and a physiological information measurement module configured to the wearable holder. The physiological information measurement module includes a circuit board, an electrocardiograph (ECG) sensor unit and a PPG sensor unit. The PPG sensor unit is disposed on the circuit board and adapted to be used in conjunction with the ECG sensor unit electrically connected to a first pad and a second pad on the circuit board. The PPG sensor unit includes a grid having a plurality of accommodating spaces, a lighting element arranged in one of the accommodating spaces, and a photo sensor arranged in another accommodating space. The grid includes an inner conductive contact portion exposed from the wearable holder, facing an inner side of the wearable holder and electrically connected to the second pad.

Blood pressure measurement cuff and sphygmomanometer

A blood pressure measurement cuff includes a clamp mechanism that sandwiches a measurement site. The clamp mechanism includes a first clamp portion having a shape that is curved along a first half of the measurement site and a second clamp portion having a shape that is curved along a second half of the measurement site. The slide hole is formed penetrating through one end portion of the first clamp portion. The slide bar extends from the one end portion of the second clamp portion and into the slide hole, fits therein, and slides with friction with respect to the slide hole. The slide hole and the slide bar are curved so as to protrude on a side near other end portions of the first clamp portion and the second clamp portion.

Biological information detection apparatus

A biological information detection apparatus includes a detection unit which has a light receiving unit receiving light from a subject, a light transmitting member which is provided on a housing surface side in contact with the subject of the biological information detection apparatus, transmits light from the subject, and comes into contact with the subject when measuring biological information of the subject, and a diaphragm unit which is provided between the light transmitting member and the detection unit, between the light transmitting member and the subject, or inside the light transmitting member, and narrows light from the subject in an optical path between the subject and the detection unit. The detection unit includes a light emitting unit which emits light to the subject, and the biological information detection apparatus has a light shielding unit which is provided between the light receiving unit and the light emitting unit.

REFLECTION PHOTODETECTOR AND BIOLOGICAL INFORMATION MEASURING INSTRUMENT

When emitted light from LED 31 is incident on photodiodes 32 and 33 with luminance Pa and Pb, currents ia and ib are generated according to luminance Pa and Pb. When outside light is incident through the finger tissues on photodiodes 32 and 33 with luminance Pc, current ic is produced. The current i1 (= ia + ic) generated by photodiode 32, and the current i2 (= -ib - ic) generated by photodiode 33, are added at node X, and the current ic corresponding to outside light is thus cancelled. In addition, photodiodes 32 and 33 are disposed at different distances from LED 31. As a result, the current flowing to opamp 34 is current ia corresponding to luminance Pa because luminance Pb is extremely low. The opamp 34 then applies a current voltage conversion to generate pulse wave signal Vm.

LIGHT RESTRICTION DESIGNS IN OPTICAL SENSING APPLICATIONS HAVING SHARED WINDOWS

This relates to an electronic device configured for optical sensing having shared windows and including light restriction designs. The light restriction designs can include one or more of optical layers, optical films, lenses, and window systems configured to reduce or eliminate crosstalk between optical components. A plurality of accepting sections and a plurality of blocking sections can be employed to selectively allow light having an angle of incidence within one or more acceptance viewing angles and block light with angles of incidence outside of the acceptance viewing angles. In some examples, the light restriction designs can include variations in optical and structural properties can allow the light restriction designs to have spatially varying acceptance angles. Variations in structural properties can include, but are not limited to, differences in widths, heights, and/or tilts of the accepting sections and/or blocking sections.

FINGER PROBE

СИСТЕМА И СПОСОБ ОБНАРУЖЕНИЯ ЗНАЧИМЫХ АРИТМИЧЕСКИХ СОБЫТИЙ ПОСРЕДСТВОМ ФОТОПЛЕТИЗМОГРАММЫ(PPG) И АКСЕЛЕРОМЕТРА

Изобретение относится к медицинской технике. Медицинская система для обнаружения аритмических событий содержит PPG-датчик, размещенный на пациенте или внутри него, с возможностью передачи PPG-сигнала в процессор. Акселерометр размещен на пациенте или внутри него с возможностью передачи сигналов пульса и дыхания в процессор. Процессор сконфигурирован с возможностью приема фотоплетизмографического сигнала, сформированного с использованием PPG-датчика, приема сигнала пульса и дыхания, сформированного с использованием акселерометра, выделения признаков из PPG-сигнала для формирования векторов PPG-признаков. Формирование векторов PPG-признаков включает выделение признаков из сигнала пульса для формирования векторов признаков пульса. Производят коррелирование векторов PPG-признаков с векторами признаков пульса и оценку коррелированных векторов PPG-признаков и коррелированных векторов признаков пульса для обнаружения аритмических событий. Признаки, выделяемые из PPG-сигнала, включают в себя интервалы ...

УСТРОЙСТВО И СПОСОБ ПОЛУЧЕНИЯ ИНФОРМАЦИИ ОБ ОСНОВНЫХ ПОКАЗАТЕЛЯХ СОСТОЯНИЯ ОРГАНИЗМА ЖИВОГО СУЩЕСТВА

Группа изобретений относится к медицине, а именно к получению информации об основных показателях состояния организма живого существа. Устройство выполнено с возможностью реализации способа, в котором: освещают, по меньшей мере, область интереса живого существа светом, принимают свет в, по меньшей мере, одном интервале длин волн, отраженный от, по меньшей мере, упомянутой области интереса, формируют входной сигнал из принятого света, обрабатывают входной сигнал и получают информацию об основных показателях состояния организма упомянутого живого существа из упомянутого входного сигнала с помощью дистанционной фотоплетизмографии и управляют упомянутым осветительным блоком на основании упомянутого входного сигнала и/или упомянутой полученной информации об основных показателях состояния организма с возможностью определения величины зеркального отражения в области интереса и управления упомянутым осветительным блоком на основании определенной величины зеркального отражения, чтобы уменьшить или ...

УСТРОЙСТВО ДЛЯ ОПРЕДЕЛЕНИЯ ФИЗИОЛОГИЧЕСКОГО ПОКАЗАТЕЛЯ

Группа изобретений относятся к медицинской технике, а именно к средствам для определения физиологического показателя субъекта. Устройство содержит по меньшей мере два источника света для испускания по меньшей мере двух лучей света с разными диапазонами волн в ткань субъекта, датчик света, имеющий двухмерную детектирующую поверхность, для обнаружения света и для генерирования двухмерного изображения, причем двухмерная детектирующая поверхность имеет двухмерную схему размещения детекторных элементов, контроллер для раздельного управления интенсивностями лучей света разных источников света таким образом, чтобы не допускать перегрузки датчика света, и модуль определения физиологического показателя на основе сгенерированного двухмерного изображения, причем модуль определения физиологического показателя выполнен с возможностью его определения посредством линейной комбинации детектирующих сигналов, перед линейной комбинацией детектирующих сигналов, детектирующие сигналы взвешивают, при этом детектирующие ...

УСТРОЙСТВО ДЛЯ ФОТОПЛЕТИЗМОГРАФИИ

Изобретение относится к медицинской технике, а именно к устройству для фотоплетизмографии отражательного типа, содержащему источник света, датчик света и граничный слой. Граничный слой содержит полость между источником и датчиком для того, чтобы предотвратить потери отражения между устройством и кожей и предотвратить прохождение света от источника к датчику непосредственно через граничный слой. 6 з.п. ф-лы, 5 ил.

МОБИЛЬНОЕ УСТРОЙСТВО ДЛЯ РЕГИСТРАЦИИ И НАКОПЛЕНИЯ ФИЗИОЛОГИЧЕСКИХ ПАРАМЕТРОВ РАСПОЗНАВАНИЯ И ДИАГНОСТИРОВАНИЯ СОННО-АПНОЭТИЧЕСКОГО СИНДРОМА

Использование: в медицине. Сущность изобретения: мобильное устройство для регистрации и накопления физиологических параметров распознавания и диагностирования сонно-апноэтического синдрома, содержит средство для регистрации частоты сердцебиения на базе сердечного потенциала и средство регистрации тонов дыхания и тонов храпа, выходами подключенные к регистрационно-накопительному прибору для накопления данных в кодированном виде за множество коротких интервалов времени. При этом указанное устройство содержит также средство регистрации положения пациента и средство регистрации степени кислородного насыщения крови, выходами подключенные к регистрационно-накопительному прибору для кодированного накопления данных. Устройство обеспечивает амбулаторное диагностирование апноэ во время сна, которое по своей убедительности сравнимо с диагностированием, основанным на стационарных исследованиях в лаборатории сна. 9 з.п.ф-лы. 5 ил.

ОПТИЧЕСКИЙ ДАТЧИК ЖИЗНЕННЫХ ПОКАЗАТЕЛЕЙ

Способ и устройство для оптической регистрации изменений ткани с повышенной точностью

УСТРОЙСТВО И СПОСОБ ПОЛУЧЕНИЯ ИНФОРМАЦИИ ОБ ОСНОВНЫХ ПОКАЗАТЕЛЯХ СОСТОЯНИЯ ОРГАНИЗМА ЖИВОГО СУЩЕСТВА

ОПТИЧЕСКИЙ ДАТЧИК ЖИЗНЕННЫХ ПОКАЗАТЕЛЕЙ

Zaehler zur Fernzaehlung des augenblicklichen Herzrhythmus

Wiederverwendbarer magnetischer Sensor

... konfiguriert, dass er an einer Gewebestelle anhaftet, um die Gewebestelle mit optischer Strahlung zu beleuchten und die optische Strahlung nach Abschwächung durch einen pulsierenden Blutfluss innerhalb der Gewebestelle nachzuweisen. Der Sensor ist so konfiguriert, dass er mit einem Überwachungsgerät kommuniziert, um einen physiologischen Parameter zu berechnen, der Bestandteilen des pulsierenden Blutflusses entspricht, die durch die erfasste optiinen wiederverwendbaren Emitter und einen Detektor auf. Eine Einwegbandage befestigt den Emitter und den Detektor über fest an der Bandage angebrachte, magnetisch verstärkte Buchsen und magnetisch verstärkte Träger, die den Emitter und den Detektor aufnehmen, lösbar an einer Gewebestelle.

Pulssensor, Pulsmeter, Oximeter, Steuerknüppel sowie Helm

Automatic endoscope video augmentation

Methods and systems for automatically augmenting an endoscope video for a task based on status data that describes the status of a surgical robot system that was used to at least partially perform the task. The system comprises an event detector and an augmenter. The event detector is configured to: receive the status data; and identify one or more patterns in the status data that indicate an event e.g. a change in the instrument used by the robot arm, occurred during the task. The augmenter is configured to receive an endoscope video captured during the task, the endoscope video being time synchronised with the status data; and in response to the event detector identifying a pattern in the status data that indicates an event occurred, augment the endoscope video with information identifying the event and the time the event occurred with respect to the endoscope video.

SLOT,PIVOT AND SPRING HINGE MECHANISM

NICHTINVASIVER MULTI-PARAMETER PATIENT MONITOR

DEVICE TO VASOMETRIE.

FINGER SENSOR TO PULSOXYMETRIE.

FEELER SHELF LIFE MONITORING SYSTEM

Plethysmogram sensor

The plethysmogram sensor disclosed in this specification includes a light emitting portion whose output is variable, a light receiving portion to detect a light emitted from the light emitting portion and penetrates a living body of a measured person, and a processing unit to acquire information about the plethysmogram of the measured person based on a measured value provided from the light receiving portion.

Blood Flow Monitoring

The present invention relates to a method of utilizing photoplethysmography obtained from a central site and a non-central site to detect a low blood flow or low blood volume condition. Also disclosed are apparatuses and systems designed to acquire and process physiological information based on photoplethysmograpy signal information from dual sites.

Homogenizing Light Sources in Photoplethysmography

An embodiment of a light homogenizing apparatus having one or more emitters ( 110, 120 ) incident on a light mixing element. The emitters including at least one laser light source. The light mixing element comprising a diffuser ( 130 ) followed by an internally reflective light guide ( 160 ). This apparatus substantially homogenizes light from all emitters ( 110, 120 ) before light exits the internally reflective light guide ( 160 ) where it could then be incident on living tissue for use in photoplethysmographic measurement. Other embodiments are described and shown.

In vivo sensor and method of making same

Implantable in vivo sensors used to monitor physical, chemical or electrical parameters within a body. The in vivo sensors are integral with an implantable medical device and are responsive to externally or internally applied energy. Upon application of energy, the sensors undergo a phase change in at least part of the material of the device which is then detected external to the body by conventional techniques such as radiography, ultrasound imaging, magnetic resonance imaging, radio frequency imaging or the like. The in vivo sensors of the present invention may be employed to provide volumetric measurements, flow rate measurements, pressure measurements, electrical measurements, biochemical measurements, temperature, measurements, or measure the degree and type of deposits within the lumen of an endoluminal implant, such as a stent or other type of endoluminal conduit. The in vivo sensors may also be used therapeutically to modulate mechanical and/or physical properties of the endoluminal implant in response to the sensed or monitored parameter.

PULSE DIAGNOSIS DEVICE USING OPTICAL SENSOR

A pulse diagnosis device which can detect the pulsation signal of a radial artery using an optical sensor comprising: a sensor module for sensing the pulsation signal by closely adhering thereto a prescribed body part; and a system control portion for operating the sensor module, and processing the optical signal sensed from the sensor module, wherein the sensor module comprises: an optical waveguide-type sensor which is placed on the bottom surface of the sensor module, and lets the optical signal to pass therethrough and detects the change in optical characteristics due to the change in the pressure; a light-source module which is connected on one side surface of the optical waveguide-type sensor, and inputs the optical signal into the optical waveguide-type sensor; and an optical detector module which is connected on one side surface of the optical waveguide-type sensor, and detects the optical signal delivered from the optical waveguide-type sensor. 1. A pulse diagnosis device for detecting a pulsation signal of a radial artery using an optical sensor , comprising:a sensor module for detecting a pulsation signal by closely adhering to a predetermined portion of a human body; anda system controller which drives the sensor module and processes an optical signal detected from the sensor module,wherein the sensor module comprises an optical waveguide-type sensor, which is positioned on the bottom surface of the sensor module, through which the optical signal passes, and which detects the change of optical characteristics according to the change of pressure;a light-source module which is connected to one side of the optical waveguide-type sensor and inputs the optical signal into the optical waveguide-type sensor; andan optical detector module which is connected to one side of the optical waveguide-type sensor and detects the optical signal delivered from the optical waveguide-type sensor.2. The pulse diagnosis device according to claim 1 , wherein the optical ...

Hypothenar sensor

A device having an arterial pulse sensor that is adhered to the hypothenar region of a palm using an adhesive patch. The patch has an adhesive surface that is covered by a removable film with an outer portion and a central portion. Also disclosed is a method of detecting an arterial pulse by providing an arterial pulse sensor, placing the sensor on the hypothenar region of the palm of a hand, and receiving an arterial pulse signal from the sensor.

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.

PULSE WAVE MEASUREMENT APPARATUS AND PROGRAM

A pulse wave measurement apparatus includes a light emitting device that applies light to a measurement position at which a pulse wave is measured, and a plurality of light receiving devices that output measurement signals based on the amount of received light which is applied from the light emitting device and is reflected from the measurement position. The control unit of the pulse wave measurement apparatus performs the independent component analysis on the measurement signals output from the plurality of light receiving devices, and calculates the weighting factors of each component when each of the measurement signals is divided into a plurality of components. The control unit calculates the dispersion of the calculated weighting factors for each component, and specifies a component in which the calculated dispersion is the smallest. The control unit generates pulse wave information indicative of the pulse wave based on the specified component. 1. A pulse wave measurement apparatus comprising:a plurality of light receiving units that output measurement signals each indicative of a received amount of light which is irradiated to a measurement position where pulse waves are measured and passes through or is reflected from the measurement position;an independent component analysis unit that performs an independent component analysis on the measurement signals which are output from the plurality of light receiving units, divides each of the measurement signals into a plurality of components, and calculates weighting factors of each of the plurality of components;a dispersion calculation unit that calculates a value indicative of a degree of dispersion of values of the weighting factors which are calculated by the independent component analysis unit for each of the plurality of components;a component specification unit that specifies a component of the plurality of components whose value indicative of the degree of dispersion calculated by the dispersion calculation ...

Obtaining physiological measurements using a portable device

An apparatus and method for obtaining a physiological measurement associated with a user using a portable device is disclosed herein. Information displayed on a touch-sensitive display of the portable device specifies the contact area(s) on the portable device for a user to touch. One or more areas on the portable device and/or a detachable device connected to the portable device comprise conductive areas for measuring the resistance or impedance of the user's body between those conductive areas.

Biometric information processing device, biometric information processing method, and control program

A biometric information processing device has a heart rate detection unit that detects the heart rate of a subject; a relative heart rate calculation unit that calculates a relative heart rate, which is the relative value of the heart rate to the prescribed resting heart rate of the subject; a relative oxygen intake calculation unit that calculates a relative oxygen intake based on the relative heart rate; an oxygen intake estimation unit that estimates the oxygen intake from the relative oxygen intake; and a calorie expenditure calculation unit that calculates calorie expenditure based on the oxygen intake.

SYSTEM AND METHOD FOR DETERMINING VIDEO-BASED PULSE TRANSIT TIME WITH TIME-SERIES SIGNALS

What is disclosed is a system and method for determining a subject of interest's arterial pulse transit time from time-varying source signals generated from video images. In one embodiment, a video imaging system is used to capture a time-varying source signal of a proximal and distal region of a subject of interest. The image frames are processed to isolate localized areas of a proximal and distal region of exposed skin of the subject. A time-series signal for each of the proximal and distal regions is extracted from the source video images. A phase angle is computed with respect to frequency for each of the time-series signals to produce respective phase v/s frequency curves for each region. Slopes within a selected cardiac frequency range are extracted from each of the phase curves and a difference is computed between the two slopes to obtain an arterial pulse transit time for the subject. 1. A method for determining an arterial pulse transit time between a proximal and distal region of a subject of interest from source video images acquired using a video imaging system , the method comprising:receiving a time-varying source images acquired over at least one channel of a video imaging system, said source images comprising video images captured of a proximal and distal region of an area of exposed skin of a subject of interest;extracting, from said source images, a time-series signal for each of said proximal and distal regions;computing a phase angle with respect to frequency for each of said time-series signals to obtain respective phase v/s frequency curves;extracting, from each of said phase v/s frequency curves, corresponding slopes within a selected cardiac frequency range; andcomputing a difference between said extracted slopes, said difference comprising an arterial pulse transit time for said subject between said proximal and distal regions.2. The method of claim 1 , wherein said time-varying source signal comprises any combination of: NIR images claim 1 ...

Apparatus for physiological and environmental monitoring with optical and footstep sensors

Wearable apparatus for monitoring various physiological and environmental factors are provided. Real-time, noninvasive health and environmental monitors include a plurality of compact sensors integrated within small, low-profile devices, such as earpiece modules. Physiological and environmental data is collected and wirelessly transmitted into a wireless network, where the data is stored and/or processed.

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.

NOISE SHIELDING FOR A NONINVAISE 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 ...

SYSTEMS, DEVICES AND METHODS FOR CONTINUOUS HEART RATE MONITORING AND INTERPRETATION

Embodiments provide physiological measurement systems, devices and methods for continuous health and fitness monitoring. A lightweight wearable system is provided to collect various physiological data continuously from a wearer without the need for a chest strap. The system also enables monitoring of one or more physiological parameters in addition to heart rate including, but not limited to, body temperature, heart rate variability, motion, sleep, stress, fitness level, recovery level, effect of a workout routine on health, caloric expenditure. Embodiments also include computer-executable instructions that, when executed, enable automatic interpretation of one or more physiological parameters to assess the cardiovascular intensity experienced by a user (embodied in an intensity score or indicator) and the user's recovery after physical exertion (embodied in a recovery score). These indicators or scores may be displayed to assist a user in managing the user's health and exercise regimen. 1. A wearable physiological measurement system , comprising: ["one or more light emitters for emitting light toward the user's skin,", "one or more light detectors for receiving light reflected from the user's skin,", 'an electronic circuit board implementing a processing module configured for analyzing data corresponding to the reflected light to automatically and continually determine a heart rate of the user, and', 'a first set of one or more batteries for supplying electrical power to the one or more light emitters, the one or more light detectors and the electronic circuit board; and, 'a wearable strap configured to be couplable to an appendage of a user, the wearable strap comprising 'a second set of one or more batteries chargeable by an external power source, the second set of batteries configured to recharge the first set of batteries in the strap;', 'a modular housing removably couplable to the strap, the modular housing comprisingwherein the combination of the first and ...

Methods and systems for determining noise information from a physiological signal

A physiological monitoring system may determine physiological information, such as physiological rate information, and other information, such as noise information, from a physiological signal. The system may generate a difference signal based on the physiological signal and sort the difference signal to generate a sorted difference signal. The system may determine slope values for multiple segments of the sorted difference signal. The system may determine two end groups of the segments and determine at least one threshold based on the end groups. One or more end data points of the sorted difference signal may be identified as being associated with noise based on the at least one threshold. The system may determine a value indicative of noise based on the identified data points.

Methods and systems for qualifying physiological values based on metrics

A physiological monitoring system may process a physiological signal such a photoplethysmograph signal from a subject. The system may determine physiological information, such as a physiological rate, from the physiological signal. The system may use search techniques and qualification techniques to determine one or more initialization parameters. The initialization parameters may be used to calculate and qualify a physiological rate. The system may use signal conditioning to reduce noise in the physiological signal and to improve the determination of physiological information. The system may use qualification techniques to confirm determined physiological parameters. The system may also use autocorrelation techniques, cross-correlation techniques, fast start techniques, and/or reference waveforms when processing the physiological signal.

PULSE WAVE SENSOR DEVICE

A light emitter and a light receiver are provided at a side surface of a lever. When a user grips the lever with his hand, the light emitter and the light receiver are positioned close to bases of the middle finger, a ring finger, and a little finger, as a measurement portion of a palm. A blood-flow blockage reducing component protrudes to contact a portion between the index finger and the middle finger, and a thumb, as a contact portion of the palm. 1. A pulse wave sensor device comprising:a device body having a contoured shape grippable by a hand of a user; a light emitter configured to emit light to a measurement location on the hand when the user grips the device body, and', 'a light receiver configured to detect light reflected by the measurement location; and, 'a measurement sensor havinga protruding member extending from the device body that contacts a blood-flow blockage reducing location of the hand when the user grips the device body, such that the protruding member reduces blockage of blood flow in the hand at the measurement location.2. The pulse wave sensor device according to claim 1 , wherein the protruding member extends from the device body to contact the blood-flow blockage reducing location of the hand claim 1 , which is not a center portion or a wrist-side portion of a palm of the hand.3. The pulse wave sensor device according to claim 1 , wherein the measurement sensor is disposed on the device body at a same position from where the protruding member extends from the device body.4. The pulse wave sensor device according to claim 1 , wherein the measurement sensor is disposed on the device body at a different position where the protruding member extends from the device body.5. The pulse wave sensor device according to claim 1 , wherein a step is disposed around the protruding member.6. The pulse wave sensor device according to claim 1 , wherein claim 1 , when the user grips the device body claim 1 , the protruding member reduces compression at ...

Apparatus, systems and methods for monitoring and evaluating cardiopulmonary functioning

Wearable apparatus for monitoring various physiological and environmental factors are provided. Real-time, noninvasive health and environmental monitors include a plurality of compact sensors integrated within small, low-profile devices, such as earpiece modules. Physiological and environmental data is collected and wirelessly transmitted into a wireless network, where the data is stored and/or processed.

NASAL AND ORAL PATIENT INTERFACES

A patient interface for communicating fluids to and/or from a patient's nasal cavity and/or oral cavity is disclosed. In addition, a patient interface for fluid and physiological function monitoring proximate to the patient's nasal cavity and/or oral cavity is disclosed. An apnea monitor and a method for monitoring apnea are also disclosed. 1. A patient interface comprising:an appliance portion including:a U-shaped body portion configured to communicate with a fluid path, the body portion being configured to engage an exterior surface of a nose of a patient responsive to being donned by a patient; anda U-shaped nostril interface extending from the body portion, the nostril interface being configured to extend generally over an end of the nose of the patient and into a nostril of the patient responsive to being donned by a patient and to provide fluid communication between the nostril and the fluid path, and wherein the nostril interface is sized and configured such that the first nostril interface does not completely block the nostril responsive to being received by the nostril;a first tubing that defines the first fluid path, where the first tubing is coupled to the nostril interface;a securement portion extending from the body portion and disposed proximate the nostril interface, and wherein, in use, the securement portion is constructed and arranged to engage an exterior alar sidewall surface of a patient's nose to clamp the body portion to the patient's nose and to secure the patient interface to the patient's nose; anda physiological function sensor connected with the appliance portion for engagement with the skin of the nose of the patient and generating a signal based upon a physiological function measurement.2. A patient interface according to claim 1 , wherein the sensor comprises an emitter for emitting a signal and a detector for detecting the signal.3. A patient interface according to claim 1 , wherein at leasta portion of the sensor is disposed on the ...

REFLECTIVE SURFACES FOR PPG SIGNAL DETECTION

Reflective surfaces for the apertures of PPG optical components in PPG systems is disclosed. In a PPG system or device, the addition of reflective surfaces around, under, or near the apertures of the optical components can enhance the amount of light received by the light detector. As a result, the measured PPG signal strength can be higher and more accurate compared to the same PPG device without reflective surfaces. The reflective surfaces can reflect and/or recycle light that is incident upon the reflective surfaces back into the skin for eventual capture of the light by the light detectors. In some examples, the reflective surfaces can be diffuse or specular reflectors and/or can be configured to selectively reflect one or more wavelengths of light. In some examples, the back crystal and/or component mounting plane of the PPG system can be made of the same material as the reflective surfaces. 1. An electronic device comprising:a plurality of light emitters for emitting first light; a plurality of first cavities through which the first light is emitted, and', 'a plurality of first reflectors circumferentially surrounding the plurality of first cavities;, 'a light emitting section includinga plurality of light sensors for receiving second light; and a plurality of second cavities through which the second light is received, and', 'a plurality of second reflectors circumferentially surrounding the plurality of second cavities., 'a light sensing section including2. The electronic device of claim 1 , wherein the light emitting section further includes a plurality of first windows claim 1 , and the light sensing section further includes a plurality of second windows.3. The electronic device of claim 2 , further comprising:an optical isolation located between the plurality of first cavities and the plurality of second cavities,wherein the plurality of first reflectors is located between the optical isolation and the plurality of first windows, andwherein the plurality ...

SELF-POWERED WEARABLE FOR CONTINUOUS BIOMETRICS MONITORING

A user-wearable device utilizes energy harvesting technology to lengthen battery life or eliminates the need to charge the wearable device. In one embodiment, a user-wearable device combines energy harvesting technology with low power sensors and high efficiency processing methods to realize a self-charging or battery-less biometric monitoring system. The wearable biometric monitoring system provides accurate biometric measurements while enhancing user experience by extending the battery life or completely eliminating the need for the user to charge the device. 1. A user-wearable device for biometric measurement of a user , comprising:an energy harvesting module configured to collect energy and to provide energy output;an energy storage module coupled to the energy harvesting module to store the energy output harvested by the energy harvesting module;a sensor module comprising a sensor and configured to measure at least one biological signal of the user and to process the biological signal using at least one biometric signal processing method, the sensor module being powered by the energy stored in the energy storage module; anda processor module configured to process the biological signal measured by the sensor by executing at least one power optimized biometric inference method on the biological signal, the processor module being powered by the energy stored in the energy storage module,wherein the sum of the power consumed by sensing operation of the sensor module and signal processing operation of the processor module is at least partially supplied by the energy harvesting module, the sensor module and the processor module being controlled by an adaptive power control module configured to adjust a sensing a duty cycle schedule and a signal process time to realize power balance between the energy generation by the energy harvesting module and the energy consumption by the sensor module and the processor module.2. The user-wearable device of claim 1 , wherein the ...

SMART WATCH ACCESSORY FOR IMPROVED PPG HEART RATE READING

An apparatus include an elastomeric barrier that circumscribes a PPG sensor on an underside of a housing of a wearable device. The elastomeric barrier is configured to maintain a position of the housing on the human's skin to fix the PPG sensor at a location on the human's skin to sense the function of a human organ at the location on the human's skin. The apparatus can include an enclosure that attaches to and at least partially encloses the housing of the wearable device. The apparatus can further include a band with tightly spaced ridges, and a ratchet configured to apply micro-sized adjustments for applying tension by the band to secure the wearable device to the location on the human's skin. 1. An apparatus for improved volumetric measurement of a function of a human organ at a location on the human's skin , the volumetric measurement being performed by a photoplethysmogram (PPG) sensor positioned on an underside of a housing of a wearable device , the apparatus comprising:an elastomeric barrier that circumscribes the PPG sensor on the underside of the housing, the elastomeric barrier being configured to maintain a position of the housing on the human's skin to fix the PPG sensor at the location on the human's skin to sense the function of the human organ at the location on the human's skin.2. The apparatus in accordance with claim 1 , further comprising an enclosure that attaches to and at least partially encloses the housing of the wearable device.3. The apparatus in accordance with claim 2 , further comprising a band configured to attach to the human's skin to position the PPG sensor at the location on the human's skin.4. The apparatus in accordance with claim 1 , wherein the elastomeric barrier is opaque to form a light barrier so as to keep external light from reaching the PPG sensor.5. The apparatus in accordance with claim 1 , wherein the elastomeric barrier forms a waterproof seal between the underside of the housing and the human's skin.6. The ...

BIOSENSOR

A photoelectric pulse sensor includes a light emitting device and a light receiving device disposed on a main surface of a circuit board with a predetermined distance apart from each other. A housing is provided to which the circuit board is attached and including a pair of openings respectively corresponding to the light emitting and receiving devices, with the housing including a light shield disposed at least between the pair of openings. The light shield includes a light shield member that is disposed on a surface of the housing facing the circuit board. The light shield member has a light shielding characteristics and flexibility. The light shield member is deformed by coming into contact with the circuit board when the circuit board is attached to the housing. 1. A biosensor , comprising:a circuit board;a light emitting device and a light receiving device disposed on a main surface of the circuit board and spaced a distance apart from each other; anda housing attached to the circuit board and that includes a pair of openings that correspond to the light emitting and receiving devices, respectively, with the housing including a light shield disposed at least between the pair of openings,wherein the light shield includes a flexible light shield member with light shielding characteristics, andwherein the flexible light shield member is deformed by the circuit board when the circuit board is attached to the housing.2. The biosensor according to claim 1 , wherein the light shield member is disposed on a surface of the housing facing the circuit board.3. The biosensor according to claim 1 ,wherein the light shield includes a recessed portion on a surface of the housing that faces the circuit board at least between the light emitting device and the light receiving device, andwherein the light shield member is disposed on a bottom portion of the recessed portion.4. The biosensor according to claim 3 , wherein the recessed portion includes a peripheral portion that is ...

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: ...

APPARATUS AND METHOD FOR MEASURING BIOINFORMATION

An apparatus and a method of measuring bioinformation are provided. The apparatus for measuring bioinformation includes a first sensor configured to measure a first biosignal including arterial pulse wave information, a second sensor configured to measure a second biosignal including venous or capillary pulse wave information, and a bioinformation estimator configured to estimate bioinformation of a user based on a time delay between the first biosignal and the second biosignal. 1. An apparatus for measuring bioinformation , the apparatus comprising:a first sensor configured to measure a first biosignal from a ventral side of a wrist;a second sensor configured to measure a second biosignal from a dorsal side of the wrist; anda bioinformation estimator, implemented at a processor, configured to estimate bioinformation of a user based on a time delay between the first biosignal and the second biosignal.2. The apparatus of claim 1 , wherein the first sensor is disposed in a strap of a wrist-type wearable device claim 1 , and the second sensor is disposed on a back side of a body of the wrist-type wearable device.3. The apparatus of claim 1 , wherein the first sensor comprises:a first light source configured to emit first light to measure a photoplethysmogram; anda first light detector configured to detect first reflected light corresponding to the first light reflected by a body part of the user.4. The apparatus of claim 3 , wherein the second sensor comprises:a second light source configured to emit second light to measure a photoplethysmogram; anda second light detector configured to detect second reflected light corresponding to the second light reflected by a body part of the user,wherein the second light has a shorter wavelength than the first light.5. The apparatus of claim 1 , wherein the first sensor is further configured to measure the first biosignal using at least one of a pressure sensor claim 1 , an impedance sensor claim 1 , or a piezoelectric element.6. ...

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 ...

CURRENT CANCELLATION CIRCUIT, HEART RATE DETECTION DEVICE AND WEARABLE DEVICE

A current cancellation circuit, a heart rate detection device and a wearable device. The current cancellation circuit includes: a current-voltage conversion circuit and a SAR ADC, where the SAR ADC includes a DAC, an SAR logic circuit and a comparator; the current-voltage conversion circuit is configured to receive an analog current output by the DAC and an interference current output by a photoelectric sensor, calculate a difference between the analog current and the interference current, and output an analog voltage; the comparator is configured to receive the analog voltage output by the current-voltage conversion circuit, and output a comparison result according to the analog voltage; and the DAC is configured to output the analog current according to a digital signal corresponding to the comparison result that is output by the SAR logic circuit, and the analog current is used to cancel the interference current output by the photoelectric sensor. 1. A current cancellation circuit , comprising:a current-voltage conversion circuit and a successive approximation (SAR) analog-to-digital converter (ADC), wherein the SAR ADC comprises a digital-to-analog converter (DAC), an SAR logic circuit and a comparator;the current-voltage conversion circuit is configured to receive an analog current output by the DAC and an interference current output by a photoelectric sensor, calculate a difference between the analog current and the interference current, and output an analog voltage, wherein the interference current is obtained by photoelectric conversion of an interference light signal by the photoelectric sensor;the comparator is configured to receive the analog voltage output by the current-voltage conversion circuit, and output a comparison result according to the analog voltage; andthe DAC is configured to output the analog current according to a digital signal corresponding to the comparison result that is output by the SAR logic circuit, and the analog current is used ...

Assessing Cardiovascular Function Using an Optical Sensor

This document describes assessing cardiovascular function using an optical sensor, such as through sensing relevant hemodynamics understood by pulse transit times, blood pressures, pulse-wave velocities, and, in more breadth, ballistocardiograms and pressure-volume loops. The techniques disclosed in this document use various optical sensors to sense hemodynamics, such as skin color and skin and other organ displacement. These optical sensors require little if any risk to the patient and are simple and easy for the patient to use.

Assessing Cardiovascular Function Using an Optical Sensor

This document describes assessing cardiovascular function using an optical sensor, such as through sensing relevant hemodynamics understood by pulse transit times, blood pressures, pulse-wave velocities, and, in more breadth, ballistocardiograms and pressure-volume loops. The techniques disclosed in this document use various optical sensors to sense hemodynamics, such as skin color and skin and other organ displacement. These optical sensors require little if any risk to the patient and are simple and easy for the patient to use. 1. A computer-implemented method comprising:receiving, from an optical sensor capable of detecting blood volume at two or more regions of a patient, an image indicating a first blood volume for a first region and another image indicating a second blood volume for a second region;comparing the first blood volume for the first region and the second blood volume for the second region to provide a blood-volume asymmetry; anddetermining, based on the blood-volume asymmetry, a difference in vascular function between the first region and the second region.2. The method of claim 1 , wherein determining the difference in vascular function is based on the comparing the first and second blood volumes indicating a lower peak blood volume at one of the first or second blood volumes than the other of the first or second blood volumes.3. The method of claim 1 , further comprising indicating claim 1 , to the patient or a medical professional associated with the patient claim 1 , a potential stroke or other vascular disease based on the difference in vascular function.4. The method of claim 1 , wherein the image and the other image indicate the first blood volume and the second blood volume with skin colors and further comprising determining the first blood volume and the second blood volume using the skin colors of the first and second regions claim 1 , respectively.5. The method of claim 1 , wherein the image and the other image indicate the first blood ...

BIOLOGICAL INFORMATION MEASURING MODULE AND BIOLOGICAL INFORMATION MEASURING APPARATUS

A biological information measuring module includes light emitters (first light emitter and second light emitter), a reflector having a tapered section that inclines with respect to the direction in which light emitted from the light emitters travels toward a target, and a light receiver that receives reflected light that is light exits from the light emitters and via the reflector and is reflected off the target. 1. A biological information measuring module comprising:a light emitter;a reflector that has a tapered section and reflects light; anda light receiver that receives reflected light that is the light reflected off a target.2. The biological information measuring module according to claim 1 , wherein a height of the reflector along a direction in which the light exits is smaller than or equal to 770 μm but greater than or equal to 200 μm.3. The biological information measuring module according to claim 1 , wherein a height of the reflector is smaller than or equal to 700 μm but greater than or equal to 200 μm.4. The biological information measuring module according to claim 1 , wherein a height of the reflector is smaller than or equal to 650 μm but greater than or equal to 200 μm.5. The biological information measuring module according to claim 1 , wherein the reflector has a circular shape in a plan view viewed from the target.6. The biological information measuring module according to claim 1 , wherein the reflector has a polygonal shape in a plan view.7. The biological information measuring module according to claim 1 , wherein the reflector is higher than the light receiver.8. The biological information measuring module according to claim 1 , wherein the reflector is lower than the light receiver.9. The biological information measuring module according to claim 1 , wherein the light emitter is formed of a plurality of light emitters.10. The biological information measuring module according to claim 9 , wherein the plurality of light emitters are arranged ...

PHOTOPLETHYSMOGRAPHIC SENSOR CONFIGURATION

An apparatus is suitable for measuring a photoplethysmogram (PPG). A photoplethysmographic sensor apparatus may include a casing defining a surface, a plurality of optical emitters configured to emit radiation extending from the surface, at least one photo sensor configured to capture radiation emitted by at least a subset of the plurality of optical emitters. At least a first measurement configuration and a second configuration is defined by the plurality of optical emitters and the at least one photo sensor such that the first and the second measurement configuration provide different measurement channels by including at least partially different sets of at least one optical emitter and at least one photo sensor. The first and second measurement configurations define different spatial configurations, each of which is line symmetric with respect to an imaginary line along the surface. 1. A photoplethysmographic sensor apparatus comprising:a casing defining a surface;a plurality of optical emitters configured to emit radiation extending from the surface;at least one photo sensor configured to capture radiation emitted by at least a subset of the plurality of optical emitters, wherein at least a first measurement configuration and a second configuration is defined by the plurality of optical emitters and the at least one photo sensor such that the first and the second measurement configuration provide different measurement channels by comprising at least partially different sets of at least one optical emitter and at least one photo sensor, and the first and second measurement configurations define different spatial configurations each of which is line symmetric with respect to an imaginary line along the surface;a memory storing a plurality of sport profiles and, associated with each of the plurality of sport profiles, a measurement mode indicating at least one measurement configuration that shall be utilized when the sport profile is selected, wherein one sport ...

LIGHT-EMITTING ELEMENT, DETECTION DEVICE, AND PROCESSING APPARATUS

According to one embodiment, a light-emitting element includes a substrate, a first electrode, a second electrode, and a light-emitting layer. The substrate is light-transmissive. The second electrode is provided between the first electrode and a portion of the substrate. The second electrode is light-transmissive. A light-emitting layer is provided between the first electrode and the second electrode. The substrate includes a first region and a second region. The first region overlaps at least a portion of the light-emitting layer in a first direction, the first direction is from the second electrode toward the first electrode. The second region is provided around the first region along a plane perpendicular to the first direction. The substrate has an opening provided in at least a portion of the second region. 1. A light-emitting element , comprising:a substrate, the substrate being light-transmissive;a first electrode;a second electrode provided between the first electrode and a portion of the substrate, the second electrode being light-transmissive; anda light-emitting layer provided between the first electrode and the second electrode, a first region overlapping at least a portion of the light-emitting layer in a first direction, the first direction being from the second electrode toward the first electrode, and', 'a second region provided around the first region along a plane perpendicular to the first direction,, 'the substrate including'}the substrate having an opening provided in at least a portion of the second region.2. The element according to claim 1 , wherein at least a portion of the opening is aligned with a boundary between the first region and the second region.3. The element according to claim 1 , whereinthe opening includes a first end and a second end,the light-emitting layer includes a third end and a fourth end,a direction from the first end toward the second end is aligned with a second direction crossing the first direction,a direction from ...

DETECTION DEVICE AND PROCESSING APPARATUS

According to one embodiment, a detection device includes a substrate, a light detector, a light emitter. The substrate is light-transmissive. The light emitter is provided between the substrate and the light detector. The light emitter includes a first electrode, a light-emitting layer, and a plurality of second electrodes. The first electrode is provided between the light detector and the substrate. The first electrode is light-transmissive. The light-emitting layer is provided between the light detector and the first electrode. The second electrodes are provided between the light detector and the light-emitting layer. 1. A detection device , comprising:a substrate, the substrate being light-transmissive;a light detector; and a first electrode provided between the light detector and the substrate, the first electrode being light-transmissive,', 'a light-emitting layer provided between the light detector and the first electrode, and', 'a plurality of second electrodes provided between the light detector and the light-emitting layer., 'a light emitter provided between the substrate and the light detector, the light emitter including'}2. The device according to claim 1 , wherein the plurality of second electrodes is arranged in a second direction perpendicular to a first direction claim 1 , the first direction being from the substrate toward the light detector.3. The device according to claim 2 , wherein a length in a third direction of the second electrode is longer than a length in the second direction of the second electrode claim 2 , the third direction being perpendicular to the first direction and the second direction.4. The device according to claim 1 , wherein a reflectance of the second electrode is higher than a reflectance of the first electrode.5. The device according to claim 1 , wherein the light-emitting layer includes an organic substance.6. The device according to claim 1 , wherein a third electrode;', 'a fourth electrode provided between the light ...

PHYSIOLOGICAL MONITORING DEVICES AND METHODS USING OPTICAL SENSORS

A monitoring device configured to be attached to a subject includes a photoplethysmography (PPG) sensor configured to measure physiological information from the subject, a blood flow stimulator, and a processor configured to process signals from the PPG sensor to determine a signal-to-noise level of the signals. In response to a signal-to-noise level determination, the processor is configured to instruct the blood flow stimulator to increase blood perfusion at a location where the PPG sensor is attached to the subject. The signal-to-noise level determination may be a determination that the signal-to-noise level is below a threshold level. The blood flow stimulator may be a heating element or light source configured to heat the location of the subject. 1. A monitoring device configured to be attached to a subject , the monitoring device comprising:a photoplethysmography (PPG) sensor configured to measure physiological information from the subject;a blood flow stimulator; andat least one processor configured to process signals from the PPG sensor to determine a signal-to-noise level of the signals, and wherein, in response to a signal-to-noise level determination, the at least one processor is configured to instruct the blood flow stimulator to increase blood perfusion at a location where the PPG sensor is attached to the subject.2. The monitoring device of claim 1 , wherein the signal-to-noise level determination is a determination that the signal-to-noise level is below a threshold level.3. The monitoring device of claim 1 , wherein the blood flow stimulator comprises a heating element configured to heat the location of the subject.4. The monitoring device of claim 1 , wherein the blood flow stimulator comprises a light source configured to heat the location of the subject.5. The monitoring device of claim 4 , wherein the light source comprises at least one LED.6. The monitoring device of claim 1 , wherein claim 1 , subsequent to instructing the blood flow ...

MEASUREMENT APPARATUS AND SENSOR SYSTEM

A measurement apparatus includes a wearing portion to be worn by a subject and at least one sensor supported by the wearing portion and configured to acquire biological information of the subject while in contact with a measured part of the subject. The sensor contacts the measured part at a predetermined pressure or less while the wearing portion is worn by the subject. 1. A measurement apparatus comprising:a wearing portion to be worn by a subject; andat least one sensor supported by the wearing portion and configured to acquire biological information of the subject while in contact with a measured part of the subject, whereinthe sensor contacts the measured part at a predetermined pressure or less while the wearing portion is worn by the subject.2. The measurement apparatus of claim 1 , wherein the sensor is displaceably supported relative to the wearing portion.3. The measurement apparatus of claim 1 , whereinthe at least one sensor comprises a plurality of sensors, andone or more sensors among the plurality of sensors contact the measured part at a predetermined pressure or less while the wearing portion is worn by the subject.4. The measurement apparatus of claim 3 , whereinthe plurality of sensors contact measured parts that are a predetermined distance apart in a direction of a predetermined blood vessel of the subject, andamong the measured parts contacted by the plurality of sensors, a measured part located closer to the heart of the subject along the predetermined blood vessel is contacted by one of the plurality of sensors at the predetermined pressure or less.5. The measurement apparatus of claim 3 , wherein each of the plurality of sensors is displaceably supported relative to the wearing portion.6. The measurement apparatus of claim 3 , wherein each of the plurality of sensors is arranged along a predetermined blood vessel of the subject while the measurement apparatus is worn on a wrist of the subject.7. The measurement apparatus of claim 3 , wherein ...

Heart Rate Correction Using External Data

A technology for improving heart rate prediction. In one example, a machine learning model can be trained using photoplethysmogram (PPG) data to classify a signal in a dataset obtained from a generic data source as a heart rate. Thereafter, a PPG dataset generated by a PPG sensor can be input to the machine learning model to classify a PPG signal in the PPG dataset as a predicted heart rate. Accelerometer data generated by an accelerometer can be input to the machine learning model to classify an acceleration signal contained in the accelerometer data as a heart rate, where movement represented by the acceleration signal mimics the heart rate. The PPG signal in the PPG dataset can be identified as corresponding to the acceleration signal that mimics the heart rate, and the PPG signal can be removed to improve the accuracy of the heart rate prediction. 1. A system for improving a heart rate prediction , comprising:at least one processor;a memory device including instructions that, when executed by the at least one processor, cause the system to:obtain a photoplethysmogram (PPG) dataset generated by a PPG sensor included in a device;input the PPG dataset to a machine learning model to classify a PPG signal in the PPG dataset as a predicted heart rate;obtain accelerometer data generated by an accelerometer included in the device;input the accelerometer data to the machine learning model to classify an acceleration signal contained in the accelerometer data as a heart rate, wherein movement represented by the acceleration signal mimics the heart rate;identify the PPG signal in the PPG dataset as corresponding to the acceleration signal that mimics the heart rate; andremove the PPG signal that corresponds to the acceleration signal as a heart rate candidate to improve accuracy of the heart rate prediction.2. The system of claim 1 , wherein the instructions to remove the PPG signal further cause the system to:remove PPG signal in the PPG dataset that corresponds to the ...

BIOLOGICAL INFORMATION DETECTOR AND BIOLOGICAL INFORMATION MEASURING DEVICE

A biological information detector includes a light-emitting part, a first connecting pad, a first bonding wire and a light transmission part. The first bonding wire electrically connects the light-emitting part and the first connecting pad. The light transmission part transmits light emitted by the light-emitting part. The light transmission part covers the light-emitting part and the first bonding wire. 1. A biological information detector comprising:a light-emitting part;a first connecting pad;a first bonding wire that electrically connects the light-emitting part and the first connecting pad; anda light transmission part that transmits light emitted by the light-emitting part, whereinthe light transmission part covers the light-emitting part and the first bonding wire.2. The biological information detector according to claim 1 , whereinthe light transmission part covers the first connecting pad.3. The biological information detector according to claim 1 , further comprisinga first wiring that is electrically connected with the first connecting pad, whereinthe light transmission part covers at least a part of the first wiring.4. The biological information detector according to claim 1 , whereina thickness of the light transmission part is from 1 μm to 1000 μm.5. The biological information detector according to claim 1 , whereina thickness of the light-emitting part is from 1 μm to 1000 μm.6. The biological information detector according to claim 1 , further comprisinga reflecting part that is disposed in periphery of the light-emitting part.7. The biological information detector according to claim 1 , whereina length of a side of the light-emitting part is from 100 μm to 10,000 μm.8. A biological information measuring device comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the biological information detector according to ; and'}a processing unit that processes the biological information from a light reception signal generated in a light-receiving part ...

Pulse Sensor for Detecting the Pulse of a Living Organism

In an embodiment a pulse sensor includes two light sources configured to emit light in a direction of a perfused tissue of a living being so that the perfused tissue scatters the light and so that the scattered light is modulated on basis of a pulse of the living being, at least one luminescent concentrator including an entry face, an exit face smaller than the entry face, and a fluorescent material arranged in a light path between the entry face and the exit face, wherein the luminescent concentrator is configured to receive at least some of the modulated scattered light entering through the entry face, convert the entered light by the fluorescent material and emit the modulated converted light from the exit face, and one light detector configured to detect at least some of the modulated converted light emerging from the exit face, wherein, in plan view, the luminescent concentrator is strip-shaped and extends perpendicular to a connecting line between the two light sources, wherein side faces of the luminescent concentrator facing the light sources are concave, and wherein corresponding side faces extend at least partially around the light sources.

APPARATUS AND METHOD FOR MEASURING BIOSIGNAL

An apparatus and a method of measuring a biosignal are provided. The apparatus of measuring a biosignal includes an optical source configured to emit a first light and a second light towards a target, an inserted layer configured to transmit the first light and to reflect the second light, and an optical detector configured to detect a first received light that corresponds to the first light reflected by or transmitted through the target, and to detect a second received light that corresponds to the second light reflected by the inserted layer. 1. An apparatus for measuring a biosignal , comprising:an optical source configured to emit a first light and a second light towards a target;an inserted layer configured to transmit the first light and to reflect the second light; andan optical detector configured to detect a first received light that corresponds to the first light reflected by or transmitted through the target, and to detect a second received light that corresponds to the second light reflected by the inserted layer.2. The apparatus of claim 1 , wherein a wavelength of the first light is longer than a wavelength of the second light.3. The apparatus of claim 1 , wherein the first light is a light polarized at a first angle;the second light is a light polarized at a second angle different from the first angle; andthe inserted layer is configured to transmit the light polarized at the first angle and reflect the light polarized at the second angle.4. The apparatus of claim 1 , wherein the first received light has an optical property that varies based on a change in blood flow in the target.5. The apparatus of claim 1 , wherein the second received light has an optical property that varies based on a change in surface displacement of the target or a change in contact force on a surface of the target.6. The apparatus of claim 1 , wherein the inserted layer is physically deformable by an external force.7. The apparatus of claim 1 , wherein the inserted layer is ...

BIOLOGICAL INFORMATION PROCESSING SYSTEM AND METHOD OF CONTROLLING BIOLOGICAL INFORMATION PROCESSING SYSTEM

A biological information processing system includes a pulse wave information acquisition unit which acquires pulse wave information of a user, and a processing unit which determines the sleep state of the user based on the pulse wave information. The processing unit obtains index information relating to an arousal state during sleep based on the pulse wave information. 1. A biological information processing system comprising:a pulse wave information acquisition unit which acquires pulse wave information of a user; anda processing unit which determines the sleep state of the user based on the pulse wave information,wherein the processing unit obtains index information relating to a brain wave state during sleep based on the pulse wave information.2. The biological information processing system according to claim 1 ,wherein the brain wave state is an arousal state.3. The biological information processing system according to claim 1 ,wherein the processing unit obtains the index information based on a change in the pulse wave information in a first period during which it is determined that the user is in the sleep state.4. The biological information processing system according to claim 3 ,wherein the processing unit obtains the index information based on a comparison process of the amount of change in the pulse wave information in a given second period and a pulse wave change amount threshold value.5. The biological information processing system according to claim 4 ,wherein the processing unit obtains, as index information, the number of times at which the amount of change in the pulse wave information in the second period exceeds the pulse wave change amount threshold value for a given unit time.6. The biological information processing system according to claim 4 ,wherein the processing unit sets at least one value of the length of the second period and the pulse wave change amount threshold value based on personal information of the user.7. The biological ...

BIOLOGICAL INFORMATION DETECTING DEVICE

A biological information detecting device includes a first light reception unit which receives light from a subject, a second light reception unit which receives light from the subject, at least one light emission unit which emits light to the subject, and a processing unit. When a distance between the light emission unit and the first light reception unit is L, and a distance between the light emission unit and the second light reception unit is L, L Подробнее

Method for detecting biometric information by using spatial light modulator, electronic device, and storage medium

According to various embodiments, an electronic device may comprise: a housing comprising an inner space; a sensor structure positioned in the housing and exposed through a part of the housing, the sensor structure comprising a substantially transparent plate comprising a first surface facing away from the inner space and a second surface facing away from the first surface; a support structure positioned in the inner space so as to face the transparent plate; at least one light-emitting element mounted on the support structure while being spaced apart from the second surface and inserted between the second surface and the support structure; a spatial light modulator (SLM) disposed between the transparent plate and the LED while being spaced apart from the light-emitting element; a light-receiving element mounted on the support structure and positioned between the second surface and the support structure while being adjacent to a side surface of the light-emitting element; and a processing circuit comprising at least one electrical path electrically connected to the SLM, the processing circuit being operatively connected to the light-receiving element and configured to generate photoplethysmogram (PPG) data by using the light-emitting element. Other embodiments are possible.

MOTION-DEPENDENT AVERAGING FOR PHYSIOLOGICAL METRIC ESTIMATING SYSTEMS AND METHODS

Physiological signal processing systems include a photoplethysmograph (PPG) sensor that is configured to generate a physiological waveform, and an inertial sensor that is configured to generate a motion signal. A physiological metric extractor is configured to extract a physiological metric from the physiological waveform that is generated by the PPG sensor. The physiological metric extractor includes an averager that has an impulse response that is responsive to the strength of the motion signal. Related methods are also described. 1. A physiological signal processing system comprising:a photoplethysmograph (PPG) sensor that is configured to generate a physiological waveform;an inertial sensor that is configured to generate a motion signal; anda physiological metric extractor that is configured to extract a physiological metric from the physiological waveform that is generated by the PPG sensor;the physiological metric extractor including an averager having an impulse response that is responsive to the motion signal.2. A physiological signal processing system according to wherein the impulse response of the averager is responsive to a strength of the motion signal.3. A physiological signal processing system according to :wherein the strength of the motion signal comprises a maximum, sum of squares, maximum of squares, sum of absolute values, maximum of absolute values, root-sum-squares, root-mean-squares and/or decimation of a magnitude of the motion signal over a given time interval; orwherein the impulse response has a first value in response to the strength of the motion signal exceeding a first threshold and a second value in response to the strength of the motion signal being less than a second threshold, and wherein the first value of the impulse response sets a first averaging window size of the averager and the second value of the impulse response sets a second averaging window size of the averager; orwherein the impulse response and/or an averaging window ...

CONCAVE OPTICAL SENSORS

A concave optical sensor comprising at least one light source having at least one wavelength, wherein the light source is configured to emit light beams, and at least one light receiver responsive to the light beams emitted from the light source. Both the at least one light source and the at least one light receiver are positioned on a concave segment. The concave segment cane be an elastic segment or can further be provided with a resilient element configured to press the sensor against a body part to obtain optimal coupling and to prevent motion artifacts. 1. A concave optical sensor to be activated when worn on boney structure or a body part of a user , comprising:at least one light source having at least one wavelength, wherein the light source is configured to emit light beams; andat least one light receiver responsive to the light beams emitted from the light source,wherein both the at least one light source and the at least one light receiver are positioned on a concave segment.2. The sensor of claim 1 , wherein the angle between the at least one light source and the at least one light receiver is different from 0 or 180 degrees.34.-. (canceled)5. The sensor of claim 1 , wherein the at least one light source comprises a single wavelength claim 1 , and wherein a photoplethysmography (PPG) signal can be measured.6. The sensor of claim 1 , wherein the at least one light source includes at least two wavelengths claim 1 , and wherein pulse oximetry can be measured.7. The sensor of claim 6 , wherein the sensor can be used to perform spectroscopic analysis of the blood constituents.8. The sensor of claim 1 , wherein the sensor is coupled to an external device claim 1 , and wherein the external device is configured to allow calculations selected from the group consisting of pulse oximetry data and hemodynamic parameters.9. (canceled)10. The sensor of claim 1 , wherein the sensor can be used to measure parameters selected from the group consisting of heart rate claim ...

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).

APPARATUS AND METHOD FOR MEASURING HEARTBEAT/STRESS IN MOBILE TERMINAL

A circuit in a mobile terminal for measuring heartbeat/stress. The circuit includes a photoplethysmography (PPG) sensor having first and second green light-emitting diodes (LEDs); first and second LED drivers respectively connected to the first and second green LEDS and respectively configured to drive the first and second green LEDs; and a processor configured to control the first and second LED drivers to alternately turn on the first and second green LEDs within one driving period to respectively produce first and second PPG signals, and measure a user's heartbeat/stress using the first and second PPG signals that have a corresponding signal quality equal to or greater than a predetermined threshold. 1. A circuit in a mobile terminal for measuring heartbeat/stress , the circuit comprising:a photoplethysmography (PPG) sensor having first and second green light-emitting diodes (LEDs);first and second LED drivers respectively connected to the first and second green LEDS and respectively configured to drive the first and second green LEDs; anda processor configured to:control the first and second LED drivers to alternately turn on the first and second green LEDs within one driving period to respectively produce first and second PPG signals, andmeasure a user's heartbeat/stress using the first and second PPG signals that have a corresponding signal quality equal to or greater than a predetermined threshold.2. The circuit of claim 1 , wherein the two green LEDs include metal oxide semiconductor (MOS) transistors.3. The circuit of claim 1 , wherein the PPG sensor comprises a first-in claim 1 , first-out (FIFO) buffer configured to store the first and second PPG signals.4. The circuit of claim 3 , wherein the PPG sensor is further configured to wake up the processor when an amount of the first and second PPG signals stored in the buffer reaches a threshold value.5. The circuit of claim 4 , wherein the PPG sensor is further configured to transfer the stored first and ...

Photoplethysmography apparatus

The invention relates to a photoplethysmography (PPG) apparatus ( 100 ), comprising at least one light source ( 110 ) configured to generate a beam of source light ( 114 ) having a source beam angle ( 118 ) and at least one controllable beam angle adapter ( 120 ) configured to receive a beam-angle control signal ( 170 ) indicative of a modified beam angle ( 124 ) to be set, the beam angle adapter ( 120 ) being further configured to provide the beam of source light ( 114 ) with a modified beam angle ( 124 ) to an external object ( 130 ). The PPG apparatus ( 100 ) comprises at least one PPG sensor( 140 )configured to provide a sensor signal ( 145 ) indicative of source light ( 150 ) scattered by the external object ( 130 ), and a PPG evaluation and control unit ( 160 ) configured to receive the sensor signal ( 145 ), to provide the beam-angle control signal ( 170 ) and to provide at its output ( 180 ) an AC signal component of the sensor signal ( 145 ).

NON-INVASIVE BLOOD ANALYSIS

The present invention provides a personal hand-held monitor (PHHM) comprising a signal acquisition device for acquiring signals which can be used to derive a measurement of a parameter related to the health of the user, wherein the signal acquisition device comprises a blood photosensor having one or more photo-emitters for transmitting light to a body part of a user, one or more photo-detectors for detecting light transmitted through or scattered by the body part and two or more optical cells, at least one of which contains an analyte to be detected or which mimics the absorption spectrum of the analyte, through which the light that has been or will be transmitted through or scattered by the body part passes before it reaches the photo-detector(s). 1. A personal hand-held monitor (PHHM) comprising a signal acquisition device for acquiring signals which can be used to derive a measurement of a parameter related to the health of the user , the signal acquisition device being integrated with a personal hand-held computing device (PHHCD) , wherein the signal acquisition device comprises a blood photosensor having one or more photo-emitters for transmitting light to a body part of a user , one or more photo-detectors for detecting light transmitted through or scattered by the body part and two or more optical cells , at least one of which contains an analyte to be detected or which mimics the absorption spectrum of the analyte to be detected , through which the light that has been or will be transmitted through or scattered by the body part passes before it reaches the or each photo-detector , wherein the processor of the PHHM is adapted to process the signals received from the or each photo-detector to calculate the difference in intensity of light which has passed through the or each analyte cell and light which has passed through the or each non-analyte cell and to process signals obtained from the photosensor in the presence of the body part and in the absence of ...

3d mask face anti-spoofing with remote photoplethysmography

The present invention relates to 3D mask face anti-spoofing with remote photoplethysmography. More particularly, it relates to a local rPPG correlation model to extract discriminative and robust local rPPG signal patterns so that an imposter can better be detected regardless of the material and quality of the mask.

DYNAMICALLY RECONFIGURABLE APERTURES FOR OPTIMIZATION OF PPG SIGNAL AND AMBIENT LIGHT MITIGATION

This relates to an electronic device with dynamically reconfigurable apertures to account for different skin types, usage conditions, and environmental conditions and methods for measuring the user's physiological signals. The device can include one or more light emitters, one or more light sensors, and a material whose optical properties can be changed in one or more locations to adjust the optical path and the effective separation distances between the one or more light emitters and one or more light sensors or the size, location, or shape of the one or more dynamically reconfigurable apertures. In some examples, the material can be a liquid crystal material, MEMS shutter layer, or light guide, which can form the one or more dynamically reconfigurable apertures. In some examples, the light emitters or light sensors or both can be an array of individually addressable optical components. 1. An electronic device for measuring physiological information , the device comprising:one or more light emitters that emit light, the one or more light emitters included in one or more optical components;one or more light sensors that detect a return of at least a portion of the emitted light, the one or more light sensors included in the one or more optical components;a device component capable of forming one or more apertures, the one or more apertures having a configuration to allow light to be transmitted to the one or more optical components, received by the one or more optical components, or both, receives one or more signals, and', 'dynamically adjusts one or more properties of at least one of the one or more apertures based on the one or more signals, the one or more properties including a size; and, 'the device component that selects the one or more properties, and', 'controls the device component by sending the one or more signals to the device component., 'a processor that2. The electronic device of claim 1 , wherein the device component dynamically adjusts the one or ...

BIOMETRIC DETECTION MODULE AND BIOMETRIC DETECTION DEVICE WITH DENOISING FUNCTION

A biometric detection module including a light source module, a detection region and a control module is provided. The light source module is configured to emit green light, red light and IR light in a time division manner to illuminate a skin surface. The detection region is configured to detect penetration light emitted from the light source module for illuminating the skin surface and passing through body tissues to correspondingly generate a green light signal, a red light signal and an IR light signal. The control module is configured to determine a filtering parameter according to the green light signal to accordingly filter the red light signal and the IR light signal, and calculate a biometric characteristic according to at least one of the green light signal, a filtered red light signal and a filtered IR light signal. 1. A biometric detection device , configured to detect at least one biometric characteristic from a skin region in a concha , the biometric detection device comprising: a light source module configured to emit green light, red light and infrared light in a time division manner to illuminate the skin region;', 'a detection region configured to detect penetrating light emitted from the light source module for illuminating the skin region and passing through body tissues to correspondingly generate a green light signal, a red light signal and an infrared light signal; and', a thickness of the abrasion-proof layer is smaller than 100 micrometers, and', 'the upper surface is configured to be in contact with the skin region when detecting the biometric characteristic such that the light emitted from the light source module illuminates the skin region and sequentially passes through the body tissues and the abrasion-proof layer to be detected by the detection region; and, 'an abrasion-proof layer covering the detection region and having an upper surface as a detection surface, wherein'}], 'a biometric detection module having a detection unit, the ...

WRIST-SENSOR PULSE OXIMETRY DEVICE AND METHOD

A pulse oximetry device is provided that fixates generally around a user's wrist. The device may include one or more mechanical features that fix the device at, for example, a distal end of a wearer's ulna bone. The device may include one or more projections formed from a suitable material (e.g., elastomer such as silicon) that cause the device to fit snugly against the wearer's wrist and remain in place even when the wearer is moving, thus reducing motion artifacts in signals detected by the device. The device may include one or more mechanical features or fins that reduce ambient or stray light in the measurement area. The device may include one or more detectors, and one or more light sources, each having a different axis resulting from the manner in which each is angled toward a virtual center point of the distal end of a wearer's ulna bone. 1. A pulse oximetry device , the device comprising:at least two light sources having different wavelengths;at least one detector responsive to said different wavelengths;a wrist strap; anda casing coupled to the wrist strap for housing the at least two light sources and the at least one detector;wherein the wrist strap comprises a generally concave projection adapted to fit snugly against a wearer's wrist and remain in place even when the wearer is moving.2. The pulse oximetry device of claim 1 , wherein the generally concave projection further comprises one or more ridges.3. The pulse oximetry device of claim 1 , wherein the generally concave projection comprises an elastomer material having a softness (durometer) of between 30 to 75 Shore A.4. The pulse oximetry device of claim 1 , wherein the generally concave projection comprises a silicon elastomer material having a softness (durometer) of approximately 50 Shore A.5. The pulse oximetry device of claim 1 , wherein the generally concave projection comprises a hollow interior portion for receipt of medication.6. The pulse oximetry device of claim 1 , wherein the wrist ...

APPARATUS, SYSTEM AND METHOD FOR DIAGNOSING SLEEP

A system is configured to diagnose sleep comprising an apparatus configured to be attached to a patient; the apparatus comprises: i) an optical sensor configured to measure a blood volume pulse of the patient; and ii) a wireless communication interface configured to wirelessly transmit the measured blood volume pulse. The system further comprises means for performing: i) obtaining the wirelessly transmitted measured blood volume pulse; and ii) deriving from the blood volume pulse the peripheral arterial tone; iii) determining occurrences of sleep events from changes in the peripheral arterial tone. 1. A system configured to diagnose sleep comprising an apparatus configured to be attached to a patient; the apparatus comprising:an optical sensor configured to measure a blood volume pulse of the patient; anda wireless communication interface configured to wirelessly transmit the measured blood volume pulse;and wherein the system further comprises means for performing:obtaining the wirelessly transmitted measured blood volume pulse; andderiving from the blood volume pulse the peripheral arterial tone;determining occurrences of sleep events from changes in the peripheral arterial tone.2. The system according to wherein the apparatus is configured to be attached to the skin of the patient.3. The system according to claim 1 , wherein the apparatus is configured to be attached to at least one of the group consisting of a nostril claim 1 , an ear claim 1 , a forehead claim 1 , a finger claim 1 , inside a mouth claim 1 , and a toe.4. The system according to claim 1 , wherein a sleep event comprises at least one of the group consisting of sleep disordered breathing events claim 1 , periods of intense snoring claim 1 , limb movements claim 1 , cortical arousals claim 1 , autonomic arousals claim 1 , periods of bruxism claim 1 , hypnic jerks claim 1 , tossing events claim 1 , and turning events.5. The system according to claim 1 , wherein the optical sensor is a reflectance ...

BIOLOGICAL INFORMATION MEASUREMENT DEVICE

The biological information measurement device () includes: a clip () that is attached on the scapha of an auricle in such a way as to clamp the scapha from both sides; and a pulse wave sensor () that is disposed on a portion of the clip (), is arranged in such a way as not to compress the helix when the clip () is attached on the scapha of the auricle, and measures biological information of an artery running in the helix. The pulse wave sensor () may be a non-contact type sensor that measures the biological information, using transmitted light, and the clip () may be configured in such a way that the pulse wave sensor () does not come into contact with the helix when the clip () is attached in such a way as to clamp the scapha of the auricle from both sides. 1. A biological information measurement device comprising:attachment means attached on a scapha of an auricle in such a way as to clamp the scapha from both sides; andmeasurement means disposed on a portion of the attachment means, arranged in such a way as not to compress a helix of an auricle when the attachment means is attached on a scapha of the auricle, and measuring biological information of an artery running in the helix.2. The biological information measurement device according to claim 1 , whereinthe measurement means includes a non-contact type sensor that measures biological information, using transmitted light, andthe attachment means is configured in such a way that the measurement means does not come into contact with a helix of an auricle when the attachment means is attached in such a way as to clamp a scapha of the auricle from both sides.3. The biological information measurement device according to claim 1 , whereinthe measurement means includes a pulse wave sensor that measures a pulse wave in an artery running in a helix.4. The biological information measurement device according to claim 1 , whereinthe attachment means is a clip that is attachable in such a way that a tip end portions of the ...

Portable hydration monitoring device and methods

A method operable to monitor hydration including pressing a finger of a user against a finger cradle of a device, creating a finger press; sensing, via at least one sensor, a finger presence; providing an alarm indicating a pressure to apply; emitting, via at least one electromagnetic emitter, radiation through the finger; detecting, via at least one electromagnetic detector, radiation through the finger; verifying, via a synchronization line, that the electromagnetic radiation is applied synchronously with one or more finger presses; converting, via at least one analog-to-digital converter, the radiation detected by the electromagnetic detector into digital information; and converting, via a processing unit, the finger pressure data and the detected electromagnetic radiation data into a hydration level using an algorithm stored on the processing unit; and conveying the hydration level to at least one alarm unit coupled with the device.

Context Discrimination Using Ambient Light Signal

A system is configured to discriminate amongst different environments based in part on characteristics of ambient light. Ambient light intensity is measured using a light-sensitive element configured to generate an output signal indicative of an intensity of light incident on the light-sensitive element. A controller is configured to obtain a set of ambient light measurements using the light-sensitive element, and determine that the measurements correspond to a particular ambient light profile. The particular ambient light profile can be one of multiple ambient light profiles that each correspond to a different environment and/or context.

Biological-information detecting device

A biological-information detecting device includes a case section worn on a subject, a detection window of a detector configured to detect biological information of the subject being provided on a first surface on the subject side of the case section, a band section attached to the case section, and a pad section provided around the detection window on the first surface of the case section. An air entry path for the air to enter the detection window is provided in the pad section.

BIOLOGICAL INFORMATION DETECTION DEVICE

A biological information detection device includes a case that is provided with a sensor that detects biological information about a subject, a band that secures the case on the subject, and an adjustment mechanism that pulls the band in a first direction when a rotary member that is supported by the case has been rotated, the first direction being a direction in which the side of the case that is situated opposite to the subject comes in contact with the subject. 1. A biological information detection device comprising:a case that is provided with a sensor that detects biological information about a subject;a band that secures the case on the subject; andan adjustment mechanism that moves the band in a first direction when a rotary member that is supported by the case has been rotated, the first direction being a direction in which a side of the case that is situated opposite to the subject comes in contact with the subject.2. The biological information detection device as defined in claim 1 ,the adjustment mechanism including a restriction mechanism that restricts movement of the band in a second direction that is a direction opposite to the first direction.3. The biological information detection device as defined in claim 2 ,the adjustment mechanism including a wire that is connected to the band, and is at least either moved or deformed due to the rotation of the rotary member.4. The biological information detection device as defined in claim 2 ,the rotary member being a rotary bezel, andthe restriction mechanism being a ratchet mechanism that engages with the rotary bezel, and restricts the movement of the band in the second direction.5. The biological information detection device as defined in claim 4 ,the adjustment mechanism including a wire that connects the ratchet mechanism and the band, and being configured so that the ratchet mechanism is rotated in a first rotation direction in conjunction with the rotary bezel when the rotary bezel is rotated in the ...

SYSTEM AND METHOD FOR PROVIDING A TRAINING LOAD SCHEDULE FOR PEAK PERFORMANCE POSITIONING USING EARPHONES WITH BIOMETRIC SENSORS

Systems and methods are disclosed for providing a user a training load schedule for peak performance using earphones with biometric sensors. In one embodiment, the system includes earphones, including: speakers; a processor; a heartrate sensor electrically coupled to the processor; and a motion sensor electrically coupled to the processor. In this embodiment, the system also includes a memory coupled to a processor and having instructions stored that, when executed by the processor: display on a display an initial load schedule stored in a memory to the user; calculate a fatigue level of the user based on signals generated by the heartrate sensor; modify the initial load schedule based on the calculated fatigue level to create a dynamic load schedule for the user; and display on the display the dynamic load schedule to the user. 1. A system for providing a user a training load schedule , comprising: speakers;', 'a processor;', 'a heartrate sensor electrically coupled to processor; and', 'a motion sensor electrically coupled to the processor, wherein the processor is configured to process electronic input signals from the motion sensor and the heartrate sensor; and, 'a pair of earphones comprising display on a display an initial load schedule stored in a memory to the user;', 'calculate a fatigue level of the user based on signals generated by the heart rate sensor;', 'modify the initial load schedule based on the calculated fatigue level to create a dynamic load schedule for the user; and', 'display on the display the dynamic load schedule to the user., 'a non-transitory computer-readable medium operatively coupled to at least one of one or more processors and having instructions stored thereon that, when executed by at least one of the one or more processors, cause the system to2. The system of claim 1 , further comprising: a memory storing the initial load schedule and the dynamic load schedule claim 1 , and wherein the dynamic load schedule is associated with an ...

SYSTEM AND METHOD FOR REMOTE MONITORING OF BIOMEDICAL PARAMETERS

A system for monitoring one or more biological parameters of an individual, the system comprising: an illumination unit comprising at least one coherent light source configured for providing at least one coherent optical illumination beam and for directing said beam onto a selected inspection region on body of said individual; a light collection unit comprising at least a first imaging unit, said first imaging unit comprising a lens unit and a detector array and configured for collecting light returning from said inspection region to thereby generate at least one sequences of image data pieces associated with said inspection region, at a selected sampling rate; a control unit comprising at least one processor, the control unit is configured for receiving input data comprising said at least one sequence of image data piece and for processing the image data pieces for generating data indicative of one or more parameters of the individual. The processing comprises determining contrast variations in image data comprising image data indicative of one or more speckle patterns formed in light returning from illumination spots in said inspection region. 1. A system for monitoring one or more biological parameters of an individual , the system comprising:an illumination unit comprising at least one coherent light source configured for providing at least one coherent optical illumination beam and for directing said beam onto a selected inspection region on body of said individual;a light collection unit comprising at least a first imaging unit, said first imaging unit comprising a lens unit and a detector array and configured for collecting light returning from said inspection region to thereby generate at least one sequences of image data pieces associated with said inspection region, at a selected sampling rate; anda control unit comprising at least one processor, the control unit is configured for receiving input data comprising said at least one sequence of image data ...

PULSE OXIMETRY USING AMBIENT LIGHT

Systems and methods to measure pulse and blood oxygen saturation in tissue using pulse oximetry with an ambient light source. Certain pulse oximeters according to various embodiments advantageously do not require and do not include a light source such as an LED, thereby reducing complexity and reducing power consumption. 1. (canceled)2. (canceled)3. (canceled)4. A pulse oximeter device for conducting PPG measurements using broadband light , comprising:a first spectrally-selective organic photodiode (ss-OPD) comprising a first spectral filter overlaying a sensing region of a first organic photodiode (OPD), wherein the first OPD absorbs/detects light in a first wavelength range including visible wavelengths up to but not including NIR wavelengths, and the first spectral filter only transmits light having wavelengths including and greater than red wavelengths; anda second ss-OPD comprising a second spectral filter overlaying a sensing region of a second OPD, wherein the second OPD absorbs/detects light in a second wavelength range including green wavelengths or NIR wavelengths, and the second spectral filter only transmits light having green wavelengths or light having a wavelength of greater than red wavelengths.5. The pulse oximeter device of claim 4 , further comprising a flexible substrate claim 4 , wherein the first ss-OPD and the second ss-OPD are disposed on the flexible substrate.6. The pulse oximeter device of claim 5 , wherein the first OPD comprises PCDTBT:PCBM70 and the second OPD comprises PCDTBT:PCBM70 or P3HT:O-IDTBR.7. The pulse oximeter device of claim 4 , wherein the first OPD absorbs/detects light in the first wavelength range including visible wavelengths up to about 700 nm claim 4 , and wherein the first spectral filter only transmits light having a wavelength greater than about 590 nm.8. The pulse oximeter device of claim 7 , wherein the second OPD absorbs/detects light in the second wavelength range including visible wavelengths up to about 700 ...

Body Worn Biometrics Assembly and Method of Operating Same

A biometrics device measures a biometric quantity of a body of a user while the user is in motion. The biometric device includes a sensor to measure the biometric quantity of the user and creates a sensed biometric signal. A coupling device couples the sensor to the body of the user. An emitter is electrically connected to the sensor, receives the sensed biometric signal, and emits an output signal to be received by the user such that the user can understand the biometric quantity as the user continues the motion. 1. A biometrics device for measuring a biometric quantity of a body of a user in motion , said biometric device comprising:a sensor to measure the biometric quantity of the user and to create a sensed biometric signal;a coupling device to couple said sensor to the body of the user; andan emitter electrically connected to said sensor for receiving said sensed biometric signal and emitting an output signal to be received by the user such that the user can understand the biometric quantity as the user continues the motion.2. A biometrics device as set forth in wherein said emitter includes a light source to emit light out and away from said emitter.3. A biometrics device as set forth in wherein said light source emits light having a specific wavelength based on said sensed biometric signal.4. A biometrics device as set forth in including a diffuser operatively connected to said light source for dispersing the light in a plurality of directions.5. A biometrics device as set forth in wherein said light source emits the light in an amplitude visible at a distance 50 meters from the user.6. A biometrics device as set forth in wherein said coupling device includes a transparent substrate having first and second surfaces extending parallel to each other.7. A biometrics device as set forth in wherein said coupling device includes first and second layers of adhesive covering each of said first and second surfaces claim 6 , respectively.8. A biometrics device as set ...

PORTABLE ELECTRONIC APPARATUS AND WRIST APPARATUS

A wrist apparatus as a portable electronic apparatus includes a case, a solar battery that is provided in the case, and has an outer circumference along an outer edge of the case and an inner circumference of which a circumferential length is shorter than a circumferential length of the outer circumference, and an acceleration sensor that is provided in the case, in which the solar battery is disposed outside an outer edge of the acceleration sensor in a plan view of a light reception surface of the solar battery. 1. A portable electronic apparatus comprising:a case that has an inner edge on one side;a solar battery that is provided in the case, and has an outer circumference and an inner circumference; andan acceleration sensor that is provided in the case,wherein the outer circumference of the solar battery is located along the inner edge of the case, and the inner circumference of the solar battery is disposed outside an outer edge of the acceleration sensor in a plan view from a normal direction to a light reception surface of the solar battery.2. A portable electronic apparatus comprising:a case;a display unit that is mounted on the case, and has a display surface;a solar battery that is disposed outside the display surface in a plan view from a normal direction to the display surface; andan acceleration sensor that is mounted on the case, and is disposed at a position overlapping the display surface in the plan view.3. The portable electronic apparatus according to claim 1 , further comprising:a secondary battery that is provided in the case, and is electrically connected to the solar battery,wherein the secondary battery is disposed at a position overlapping the acceleration sensor in the plan view.4. The portable electronic apparatus according to claim 2 , further comprising:a secondary battery that is provided in the case, and is electrically connected to the solar battery,wherein the secondary battery is disposed at a position overlapping the acceleration ...

PORTABLE ELECTRONIC APPARATUS

A wrist apparatus includes a case, a solar battery that is provided in the case, and an optical sensor unit as a biological information measurement unit that is provided in the case, measures biological information, and is disposed at a position overlapping the solar battery in a plan view of a light reception surface of the solar battery. 1. A portable electronic apparatus comprising:a case;a solar battery that is provided in the case; anda biological information measurement unit that is provided in the case, measures biological information, and is disposed at a position overlapping the solar battery in a plan view from a normal direction to a light reception surface of the solar battery.2. The portable electronic apparatus according to claim 1 ,wherein the solar battery is annular in the plan view, andwherein the centroid of the solar battery overlaps the biological information measurement unit in the plan view.3. The portable electronic apparatus according to claim 1 , further comprising:a display unit that is provided in the case; anda secondary battery that is provided in the case, and is electrically connected to the solar battery,wherein the solar battery overlaps the display unit, andwherein the display unit is disposed between the solar battery and the secondary battery.4. The portable electronic apparatus according to claim 3 ,wherein the secondary battery is disposed between the display unit and the biological information measurement unit.5. The portable electronic apparatus according to claim 3 ,wherein the portable electronic apparatus has a region in which the solar battery, the display unit, and the biological information measurement unit overlap each other in the plan view.6. The portable electronic apparatus according to claim 1 ,wherein the biological information measurement unit includes a measurement window portion provided in the case, andwherein the measurement window portion is disposed at a position overlapping the solar battery in the plan ...

Portable Biometric Monitoring Devices and Methods of Operating Same

The present inventions, in one aspect, are directed to portable biometric monitoring device including a housing having a physical size and shape that is adapted to couple to the user's body, at least one band to secure the monitoring device to the user, a physiological sensor, disposed in the housing, to generate data which is representative of a physiological condition of the user data. The physiological sensor may include a light source to generate and output light having at least a first wavelength, and a photodetector to detect scattered light (e.g., from the user). A light pipe is disposed in the housing and optically coupled to the light source directs/transmits light therefrom along a predetermined path to an outer surface of the housing. Processing circuitry calculates a heart rate of the user using data which is representative of the scattered light. 1. A portable biometric monitoring device comprising:housing having a physical size and shape that is adapted to couple to the body of the user;at least one band, coupled to the housing, to secure the portable biometric monitoring device to the user; a first light source, disposed in the housing, to generate and output light having at least a first wavelength, and', 'a photodetector, disposed in the housing, to detect scattered light;, 'a physiological sensor, disposed in the housing, to generate data which is representative of a physiological condition of the user data, the physiological sensor includinga first light pipe, disposed in the housing and optically coupled to the first light source, to direct or transmit light from the first light source along a predetermined path to an outer surface of the housing; andprocessing circuitry, disposed in the housing, to calculate a heart rate of the user using data which is representative of the scattered light.2. The portable biometric monitoring device of wherein the first light pipe includes an optical filtering material to selectively transmit light having the at ...

WEARABLE HEART RATE MONITOR

Some embodiments provide a wearable fitness monitoring device including a motion sensor and a photoplethysmographic (PPG) sensor. The PPG sensor includes (i) a periodic light source, (ii) a photo detector, and (iii) circuitry determining a user's heart rate from an output of the photo detector. Some embodiments provide methods for operating a heart rate monitor of a wearable fitness monitoring device to measure one or more characteristics of a heartbeat waveform. Some embodiments provide methods for operating the wearable fitness monitoring device in a low power state when the device determines that the device is not worn by a user. Some embodiments provide methods for operating the wearable fitness monitoring device in a normal power state when the device determines that the device is worn by a user. 1. A method of operating a heart rate monitor of a wearable fitness monitoring device comprising a plurality of sensors including the heart rate monitor , the method comprising:(a) operating the heart rate monitor in a first mode while also operating in a second mode configured to detect near proximity of the wearable fitness monitoring device to a user's skin, wherein the first mode is configured to determine one or more characteristics of a user's heartbeat waveform when the wearable fitness monitoring device is in near proximity to the user;(b) from information collected in the second mode, determining that the heart rate monitor is not proximate to the user's skin; and(c) in response to determining that the heart rate monitor is not proximate to the user's skin, ending operating the heart rate monitor in the first mode.2. The method of claim 1 , wherein the heart rate monitor comprises an optical heart rate monitor.3. The method of claim 2 , wherein the heart rate monitor comprises a photoplethysmographic sensor.4. The method of claim 1 , wherein the one or more characteristics of the user's heartbeat waveform comprises the user's heart rate.5. The method of claim ...

WEARABLE HEART RATE MONITOR

Some embodiments provide a wearable fitness monitoring device including a motion sensor and a photoplethysmographic (PPG) sensor. The PPG sensor includes (i) a periodic light source, (ii) a photo detector, and (iii) circuitry determining a user's heart rate from an output of the photo detector. Some embodiments provide methods for operating a heart rate monitor of a wearable fitness monitoring device to measure one or more characteristics of a heartbeat waveform. Some embodiments provide methods for operating the wearable fitness monitoring device in a low power state when the device determines that the device is not worn by a user. Some embodiments provide methods for operating the wearable fitness monitoring device in a normal power state when the device determines that the device is worn by a user. Some embodiments provide methods for using response characteristics of the user's skin to adjust a gain and/or light emission intensity of the heart rate monitor. 1. A method of operating a heart rate monitor of a wearable fitness monitoring device to adjust at least one setting for operating the heart rate monitor , wherein operating the heart rate monitor comprises:(a) operating a light source in the heart monitor in a skin characterization mode by emitting a succession of light pulses, at least some having variable intensity with respect to one another;(b) detecting a variation in intensity of light from the light pulses emitted in the skin characterization mode after the light has interacted with the user's skin;(c) determining a response characteristic of the user's skin from the variation in intensity of light detected in (b); and(d) using the response characteristic of the user's skin to adjust a gain and/or light emission intensity of the heart rate monitor operating in a first mode for detecting one or more characteristics of the user's heartbeat waveform.2. The method of claim 1 , wherein the response characteristic is dependent on an opacity of the user's ...

SYSTEM AND METHOD FOR DETERMINING STROKE VOLUME OF A PATIENT

A PPG system for determining a stroke volume of a patient includes a PPG sensor configured to be secured to an anatomical portion of the patient. The PPG sensor is configured to sense a physiological characteristic of the patient. The PPG system may include a monitor operatively connected to the PPG sensor. The monitor receives a PPG signal from the PPG sensor. The monitor includes a pulse trending module determining a slope transit time of an upslope of a primary peak of the PPG signal. The pulse trending module determines a stroke volume of the patient as a function of the slope transit time. 120-. (canceled)21. A photoplethysmogram (PPG) system comprising: one or more light sources configured to emit light into a tissue of a patient; and', 'one or more detectors configured to detect an amount of the light from the tissue, wherein the detected amount of the light corresponds to a physiological characteristic of the patient; and, 'a PPG sensor configured to generate a PPG signal including a primary peak separated from a trailing peak by a dicrotic notch, the PPG sensor comprising receive the PPG signal from the PPG sensor,', 'determine a slope transit time of an upslope of the primary peak of the PPG signal, and', 'determine a stroke volume of the patient based on the determined slope transit time., 'processing circuitry configured to22. The PPG system of claim 21 , wherein the processing circuitry is configured to determine the slope transit time of the upslope of the primary peak of the PPG signal by at least:determining a contour of the PPG signal along the upslope of the primary peak, anddetermining the slope transit time based on an amplitude of the contour.23. The PPG system of claim 21 , wherein the processing circuitry is configured to determine the slope transit time by at least determining a gradient of the upslope for a given amplitude of the PPG signal.24. The PPG system of claim 21 , wherein the processing circuitry is configured to determine the slope ...

Photoplethysmography Imaging (PPGI)-Based Pulp Vitality Test

This invention discloses a vitality-based photoplethysmography imaging (PPGI) system capable of determining the pulse frequency within the dental pulp, allowing for direct, accurate, real-time visualization of tooth vitality. The system comprises a transilluminating bitewing, capable of aligning and stabilizing a light source and an intraoral camera, which is operationally connected to a computing device that is equipped with video stabilization and digital signal processing algorithm (Pulp Assessment by Local Observation, i.e. PABLO) to assess pulp vitality via analyzing videos captured with the intraoral camera. 1) A system for assessing vitality of a tooth and measuring oxygenation and blood flow in pulpal tissue of said tooth comprising:(a) a light source capable of emitting light that transilluminate said tooth;(b) a bitewing;(c) an image capturing device capable of detecting a plurality of sequential images of light transmitted through said tooth, wherein said image capturing device is hold in an aligned position with said light source on opposite sides of said tooth when a patient bite onto said bitewing;(d) a computing device, which is operatively connected to said image capturing device and is equipped with an image processing software;wherein said plurality of sequential image of said tooth are received and processed by said computing device to generate an distribution map of said tooth.2) The system of claim 1 , further comprising additional lenses or filters that are placed in front of the image capturing device to reduce artifacts and noise.3) The system of claim 1 , further comprising a heartrate monitor to adjust a temporal bandpass filter cutoff frequencies based on the heartrate of the patient.4) The system of claim 1 , wherein said light source is emitting light in the visible (350-780 nm) and near-infrared (780-2500 nm) spectrum.5) The system of claim 4 , wherein said light source comprises of one or more Light Emitting Diode (LED).6) The system ...

TOUCH PEN, ELECTRONIC DEVICE, AND APPARATUS AND METHOD FOR MEASURING BIO-INFORMATION

An electronic device according to an aspect of the present disclosure includes a touch screen. The electronic device includes a communication interface that may receive, from a touch pen, a pulse wave signal of a user which is measured from a finger of the user by the touch pen while the touch pen is placed on the touch screen. The electronic device includes a processor that may determine whether a measurement posture of the user is appropriate based on whether the finger touches the touch screen, and in response to determining that the user's measurement posture is appropriate, estimate bio-information of the user based on the received pulse wave signal. 1. An electronic device , comprising:a touch screen;a communication interface configured to receive, from a touch pen, a pulse wave signal of a user which is measured from a finger of the user by the touch pen while the touch pen is placed on the touch screen; and determine whether a measurement posture of the user is appropriate based on whether the finger touches the touch screen; and', "in response to determining that the user's measurement posture is appropriate, estimate bio-information of the user based on the received pulse wave signal."], 'a processor configured to2. The electronic device of claim 1 , wherein the processor is configured to claim 1 , in response to the finger touching the touch screen claim 1 , determine that the user's measurement posture is inappropriate.3. The electronic device of claim 1 , wherein:the communication interface is configured to receive, from the touch pen, a force value of the finger pressing the touch pen while the touch pen is placed on the touch screen; andthe processor is configured to estimate the user's bio-information based on the received force value and the pulse wave signal.4. The electronic device of claim 3 , wherein the processor is configured to:based on the received force value, generate force guide information for guiding a force of the finger pressing the ...

INFLATION APPARATUS FOR AN INFLATION-BASED NON-INVASIVE BLOOD PRESSURE MONITOR AND A METHOD OF OPERATING THE SAME

According to an aspect there is provided an inflation apparatus () for use with an inflation-based non-invasive blood pressure, NIBP, measurement apparatus, the inflation apparatus comprising: an outlet () configured to be coupled to a cuff of the inflation-based NIBP measurement apparatus; a pump () configured to output a flow of gas at an output flow rate; a valve () disposed along a flow path between the pump and the outlet to selectively pass part of the flow of gas output by the pump; and a control unit () configured to control the flow resistance of the valve to provide a flow of gas to the outlet at a required flow rate for inflating the cuff. 1. An inflation apparatus for use with an inflation-based non-invasive blood pressure (NIBP) measurement apparatus , the inflation apparatus comprising:an outlet configured to be coupled to a cuff of the inflation-based NIBP measurement apparatus;a pump configured to output a flow of gas at an output flow rate;a valve disposed along a flow path between the pump and the outlet to selectively pass part of the flow of gas output by the pump to the atmosphere during inflation of the cuff; anda control unit configured to control the flow resistance of the valve to provide a flow of gas to the outlet at a required flow rate for inflating the cuff.2. The inflation apparatus according to claim 1 ,wherein the valve is a leak valve that is configured to pass a part of the flow of gas output by the pump to the atmosphere when the leak valve is opened, andwherein a flow resistance of the leak valve is fixed and the control unit is further configured to control: (i) the switching of the leak valve, and (ii) the pump to adjust the output flow rate of the pump to provide a flow of gas to the outlet at the required flow rate.3. The inflation apparatus according to claim 2 , wherein the control unit is further configured to open the leak valve when the required flow rate is lower than a minimum flow rate of the pump claim 2 , so as to ...

Vital-sign detection system and contorl method therefor

A vital-sign detection system is provided. The vital-sign detection system includes a vital-sign detection device and a controller. The vital-sign detection device is enabled to detect a vital-sign of a user. The controller determines whether the gets in the bed and controls the vital-sign detection device to switch to a disabled mode from a first enabled mode in response to the user getting in the bed. During a period when the vital-sign detection device is in the disabled mode, the controller determines whether the user falls asleep. In response to the user falling asleep, the controller controls the vital-sign detection device to switch to a second enabled mode from the disabled mode.

SYSTEM AND METHOD FOR PROVIDING LIFESTYLE RECOMMENDATIONS USING EARPHONES WITH BIOMETRIC SENSORS

Systems and methods are disclosed for providing lifestyle recommendations using earphones with biometric sensors. In one embodiment, the system includes a pair of earphones including: speakers; a processor; a heartrate sensor electrically coupled to the processor; and a motion sensor electrically coupled to the processor. In this embodiment the system also includes a memory coupled to a processor and having instructions stored thereon that, when executed by the processor: monitor a movement of a user based on signals generated by the motion sensor; detect an activity of the user based on the monitored movement of the user; create an activity score associated with the user's movement; detect a fatigue level of the user based on signals generated by the heart rate sensor; and display on a display a lifestyle recommendation to the user based on the user's detected activity, the created activity score, and the detected fatigue level. 1. A system for providing a lifestyle recommendation , comprising: speakers;', 'a processor;', 'a heartrate sensor electrically coupled to processor; and', 'a motion sensor electrically coupled to the processor, wherein the processor is configured to process electronic input signals from the motion sensor and the heartrate sensor; and, 'a pair of earphones comprising monitor a movement of a user based on signals generated by the motion sensor;', 'detect an activity of the user based on the monitored movement of the user;', "create an activity score associated with the user's movement;", 'detect a fatigue level of the user based on signals generated by the heart rate sensor; and', "display on a display a lifestyle recommendation to the user based on the user's detected activity, the created activity score, and the detected fatigue level."], 'a non-transitory computer-readable medium operatively coupled to at least one of one or more processors and having instructions stored thereon that, when executed by at least one of the one or more ...

SYSTEM AND METHOD FOR ANTICIPATING ACTIVITY USING EARPHONES WITH BIOMETRIC SENSORS

Systems and methods are disclosed for anticipating a user's activity using earphones with biometric sensors. In one embodiment, the system includes earphones, including: speakers; a processor; a heartrate sensor electrically coupled to the processor; and a motion sensor electrically coupled to the processor. In this embodiment, the system also includes a memory coupled to a processor and having instructions stored that, when executed by the processor: update a stored archive including historical information associated with the user's past activity, where the archive is updated based, in part, on signals generated by the motion sensor and signals generated by the heartrate sensor; and anticipate a future activity of the user based on the updated archive. 1. A system for anticipating a user's activity , comprising: speakers;', 'a processor;', 'a heartrate sensor electrically coupled to processor; and', 'a motion sensor electrically coupled to the processor, wherein the processor is configured to process electronic input signals from the motion sensor and the heartrate sensor; and, 'a pair of earphones comprising ["update a stored archive comprising historical information associated with the user's past activity, wherein the archive is updated based, in part, on signals generated by the motion sensor and signals generated by the heartrate sensor; and", 'anticipate a future activity of the user based on the updated archive., 'a non-transitory computer-readable medium operatively coupled to at least one of one or more processors and having instructions stored thereon that, when executed by at least one of the one or more processors, cause the system to2. The system of claim 1 , wherein the instructions claim 1 , when executed by at least one of the one or more processors claim 1 , further cause the system to present media content associated with the anticipated future activity to the user.3. The system of claim 2 , wherein the media content comprises songs associated ...

Physiological Monitoring Devices and Methods Using Optical Sensors

A monitoring device configured to be attached to a subject includes a sensor configured to detect and/or measure physiological information and a processor coupled to the sensor. The sensor includes at least one optical emitter and at least one optical detector. The processor receives and analyzes signals produced by the sensor, and the processor changes wavelength of light emitted by the at least one optical emitter in response to detecting a change in subject activity. For example, the processor instructs the at least one optical emitter to emit shorter wavelength light in response to detecting an increase in subject activity, and the processor instructs the at least one optical emitter to emit longer wavelength light in response to detecting an decrease in subject activity. Detecting a change in subject activity may include detecting a change in at least one subject vital sign and/or subject motion.

INTEGRATED SENSOR MODULES

An integrated sensor module includes one or more packaged light source semiconductor devices and one or more packaged light detector semiconductor devices mounted to a top surface of a substrate. A pre-molded cover structure includes a portion molded from an opaque molding compound and a further portion molded from a light transmissive molding compound. For each of the packaged light source and light detector semiconductor devices, the pre-molded cover structure includes a pre-molded cavity covered by a window formed of the light transmissive molding compound. The pre-molded cover structure is attached to the substrate such that each of the packaged light source and light detector semiconductor devices fits within a respective cavity, and such that a barrier formed of the opaque molding compound is positioned between each packaged light source semiconductor device and light detector semiconductor device. The module can also include additional sensors and/or electrodes for use by sensors. 1. A sensor module , comprising:a substrate having a top surface and a bottom surface; a light emitter die including one or more light emitting elements encapsulated by a light transmissive molding compound;', 'a top surface formed by a top surface of the light transmissive molding compound that encapsulates the one or more light emitting elements;', 'a bottom surface including electrical contacts for the one or more light emitting elements; and', 'a peripheral surface extending between the top and bottom surfaces;, 'a packaged light source semiconductor device mounted to the top surface of the substrate, the packaged light source semiconductor device including'} a light detector die including one or more light detecting elements encapsulated by a light transmissive molding compound;', 'a top surface formed by a top surface of the light transmissive molding compound that encapsulates the one or more light detecting elements;', 'a bottom surface including electrical contacts for the ...

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 ...

Wearable physiological measurement device and signal comparison method thereof

A wearable physiological measurement device worn on an arm of a body, includes an electronic module, at least one strap body electrically connected with the electronic module, a first sensing module electrically connected with the processor module, and a second sensing module electrically connected with the processor module. An inside of the electronic module is equipped with a processor module. An inner surface of the strap body is flush with an inner surface of the electronic module. The first sensing module is fastened to the electronic module and is exposed to the inner surface of the electronic module to be close to a skin surface of an outer side of the arm. The second sensing module is fastened to the strap body and is exposed to an inner surface of the strap body to be closed to a skin surface of an inner side of the arm.

SYSTEMS AND METHODS FOR DETERMINING ENGAGEMENT OF A PORTABLE DEVICE

A portable device is provided having a motion sensor and an engagement sensor. A determination may be made whether the portable device is engaged with the platform. The data being output by the sensor may be used accordingly. 1. A method for determining engagement of a portable device with a platform , comprising:obtaining motion sensor data for the portable device;obtaining engagement sensor data for the portable device; anddetermining the portable device is exhibiting motion with respect to the platform when the engagement sensor data exceeds an engagement threshold, wherein the engagement threshold is based at least in part on the motion sensor data.2. The method of claim 1 , wherein the motion sensor data comprises accelerometer data.3. The method of claim 1 , wherein the motion sensor data comprises gyroscope data.4. The method of claim 1 , wherein the engagement sensor is selected from the group consisting of a proximity sensor and a distance sensor.5. The method of claim 1 , wherein the engagement sensor comprises a light sensor.6. The method of claim 1 , wherein the engagement threshold is based at least in part on a norm of the motion sensor data over a window of sequential samples.7. The method of claim 6 , wherein the engagement threshold is positively correlated with the norm of the motion sensor data.8. The method of claim 6 , further comprising adjusting a size of the window of sequential samples.9. The method of claim 8 , wherein the size of the window of sequential samples is positively correlated with an amount of motion indicated by the motion sensor data.10. The method of claim 1 , wherein the portable device comprises a health sensor and wherein the platform is a user.11. The method of claim 10 , wherein the health sensor comprises a photoplethysmograph sensor claim 10 , further comprising determining validity for photoplethysmograph sensor data based at least in part on whether the portable device is exhibiting motion with respect to the user.12 ...

Health Care System

A health care system including a cloud database, a physiological sensor and a processor is disclosed. The cloud database is configured to store a reference waveform and an abnormal data record. The physiological sensor is configured to detect a detected part of a body and to generate a detected physiological signal. The processor is electrically connected to the cloud database and retrieves the reference waveform from the cloud database. The processor is electrically connected to the physiological sensor to receive the detected physiological signal, converts the detected physiological signal into a physiological waveform, compares the physiological waveform with the reference waveform to determine a frequency error and a peak error therebetween, and generates a driving signal when the frequency error is not smaller than a frequency threshold and the peak error is not smaller than a peak threshold. Advantageously, the efficiency of health management can be improved.

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 ...

Pulse Sensor for Sensing the Pulse of A Living Being

In an embodiment a pulse sensor includes at least one light source configured to emit light in a direction of a blood-perfused tissue of a living being, at least one light detector including a light-sensitive surface configured to sense at least one part of a light scattered by the blood-perfused tissue, wherein the scattered light is modulated depending on a pulse of the living being and an optical concentrator arranged in a light path of the scattered light between the tissue and the light-sensitive surface of the light detector, the optical concentrator configured to concentrate the scattered light, wherein the optical concentrator has a first entry surface, through which the scattered light is able to enter the optical concentrator, and a first exit surface, through which the concentrated scattered light is able to exit from the optical concentrator toward the light-sensitive surface, the first exist surface being parallel to the first entry surface, wherein the optical concentrator is transparent to the scattered light, wherein the first entry surface is larger than the first exit surface and is larger than the light-sensitive surface of the light detector, wherein the optical concentrator is in optical contact with the light detector via the first exit surface, and wherein a sectional surface of the optical concentrator, perpendicular to the first entry surface and the first exit surface, is shaped trapezoidal.

BIOLOGICAL FEATURE DETECTION APPARATUS AND ELECTRONIC TERMINAL

Embodiments of the present application provide a biological feature detection apparatus. The detection apparatus includes: a light emitting unit and a light receiving unit. The light emitting unit is configured to emit light to a detection surface of a biological tissue, the light emitted by the light emitting unit being processed by the biological tissue and then transmitted to the light receiving unit, the light receiving unit is configured to receive the light and perform a photoelectric conversion to generate an original electrical signal for biological feature detection, and at least one of the adjustable relative position and relative angle is defined between the light emitting unit and the light receiving unit. As such, accurate monitoring of the biological feature is achieved. 1. A biological feature detection apparatus , comprising a light emitting unit and a light receiving unit , wherein the light emitting unit is configured to emit light to a detection surface of a biological tissue , the light emitted by the light emitting unit is processed by the biological tissue and then transmitted to the light receiving unit , the light receiving unit is configured to receive the light and perform a photoelectric conversion to generate an original electrical signal for biological feature detection , and at least one of an adjustable relative position and a relative angle is defined between the light emitting unit and the light receiving unit.2. The biological feature detection apparatus according to claim 1 , wherein the light emitting unit is arranged on a first substrate claim 1 , and the light receiving unit is arranged on a second substrate.3. The biological feature detection apparatus according to claim 2 , further comprising a flexible member; wherein the flexible member is connected to the first substrate and the second substrate respectively via a solder pad or a plug claim 2 , such that at least one of the adjustable relative position and relative angle is ...

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 ...

PHYSIOLOGICAL SENSOR RESEMBLING A NECK-WORN COLLAR

The invention provides a neck-worn sensor for simultaneously measuring a blood pressure (BP), pulse oximetry (SpO2), and other vital signs and hemodynamic parameters from a patient. The neck-worn sensor features a sensing portion having a flexible housing that is worn entirely on the patient's chest and encloses a battery, wireless transmitter, and all the sensor's sensing and electronic components. It measures electrocardiogram (ECG), impedance plethysmogram (IPG), photoplethysmogram (PPG), and phonocardiogram (PCG) waveforms, and collectively processes these to determine the vital signs and hemodynamic parameters. The sensor that measures PPG waveforms also includes a heating element to increase perfusion of tissue on the chest. 1. A sensor for measuring photoplethysmogram (PPG) and electrocardiogram (ECG) waveforms from a patient , the sensor comprising:a housing that is curved, flexible, and comprises unconnected first and second distal ends, wherein during use the housing is configured to drape around the patient's neck so that the first distal end rests on the right-hand side of the patient's chest, and the second distal end rests on the left-hand side of the patient's chest;a heating element attached to a bottom surface of the one of the first and second distal ends so that it contacts and heats an area of the patient's chest when the housing is worn on the patient's chest;a temperature sensor in direct contact with the heating element;an optical system comprised by the housing, the optical system comprising a light source configured to generate optical radiation that irradiates the area of the patient's chest after it is heated by the heating element, and a photodetector configured to generate a PPG waveform by detecting radiation that reflects off the area;an ECG sensor comprising two electrode leads and an ECG circuit, the ECG circuit configured to receive signals from the electrode leads when the sensor is worn by the patient and, after processing them, ...

SYSTEMS AND METHODS FOR DETERMINING ENGAGEMENT OF A PORTABLE DEVICE

A portable device is provided having a motion sensor and an engagement sensor. A determination may be made whether the portable device is engaged with the platform. The data being output by the sensor may be used accordingly. 1. A method for determining engagement of a portable device with a platform , comprising:obtaining motion sensor data for the portable device;obtaining engagement sensor data for the portable device; anddetermining the portable device is exhibiting motion with respect to the platform when the engagement sensor data exceeds an engagement threshold, wherein the engagement threshold is based at least in part on the motion sensor data.2. The method of claim 1 , wherein the motion sensor data comprises accelerometer data.3. The method of claim 1 , wherein the motion sensor data comprises gyroscope data.4. The method of claim 1 , wherein the engagement sensor is selected from the group consisting of a proximity sensor and a distance sensor.5. The method of claim 1 , wherein the engagement sensor comprises a light sensor.6. The method of claim 1 , wherein the engagement threshold is based at least in part on a norm of the motion sensor data over a window of sequential samples.7. The method of claim 6 , wherein the engagement threshold is positively correlated with the norm of the motion sensor data.8. The method of claim 6 , further comprising adjusting a size of the window of sequential samples.9. The method of claim 8 , wherein the size of the window of sequential samples is positively correlated with an amount of motion indicated by the motion sensor data.10. The method of claim 1 , wherein the portable device comprises a health sensor and wherein the platform is a user.11. The method of claim 10 , wherein the health sensor comprises a photoplethysmograph sensor claim 10 , further comprising determining validity for photoplethysmograph sensor data based at least in part on whether the portable device is exhibiting motion with respect to the user.12 ...

BIOLOGICAL INFORMATION DETECTION DEVICE

A biological information detection device is robust to color change of external light or illumination light. The biological information detection device includes: an image acquiring section that acquires image information by taking an image of the face of a living body; a blood flow analyzing section that corrects the image information according to the Retinex theory for color constancy, outputs hue information in the corrected image information as blood flow information, and outputs skin area mark information indicating the position of a given skin area in the face; and a local pulse wave detecting section that obtains, from the blood flow information of the skin area corresponding to the skin area mark information, pulse information of the skin area. 1. A biological information detection device comprising:an image acquiring section that acquires image information by taking an image of a face of a living body;a blood flow analyzing section that corrects the image information according to a Retinex theory for color constancy, outputs hue information in the corrected image information as blood flow information, and outputs skin area mark information indicating a position of a given skin area in the face; anda local pulse wave detecting section that obtains, from the blood flow information in the skin area corresponding to the skin area mark information, pulse information of the skin area.2. The biological information detection device according to claim 1 ,wherein the blood flow analyzing section corrects the image information using the image information and output of a plurality of filter sections that generate a convolution product of Gaussian distributions with different scales and the image information.3. The biological information detection device according to claim 2 ,wherein the blood flow analyzing section includes a face detecting section that outputs face area mark information indicating a position of a face area in the image information, andwherein the ...

ELECTRONIC DEVICE FOR ACQUIRING BIOMETRICS USING PPG SENSOR, AND METHOD THEREFOR

An electronic device is disclosed. According to an embodiment disclosed herein, an electronic device may include a PPG sensor including a light emitter that applies a current in a specified range and emits a light signal corresponding to the current and a light detector that amplifies a received light signal by applying one of a plurality of gain values, a memory that stores a plurality of sets of PPG models corresponding to the plurality of gain values and including a current value and PPG level data corresponding to the current value, and at least one processor electrically connected to the PPG sensor and the memory, wherein the at least one processor may acquire a first PPG signal from the PPG sensor set with a first current value satisfying the specified range and a first gain value of the plurality of gain values when a user's contact is detected by the PPG sensor, generate a first PPG model corresponding to the user based on a first PPG model set corresponding to the first gain value among the plurality of sets of PPG models, the first current value and the first PPG signal, determine a second gain value and a second current value for acquiring a PPG signal with a specified PPG level, based at least on the first PPG model set, and acquire a second PPG signal with the specified PPG level using the PPG sensor set with the second gain value and the second current value. In addition, various embodiments understood from the specification are possible. 1. An electronic device comprising:a PPG sensor including a light emitter configured to apply a current in a specified range and emit a light signal corresponding to the current and a light detector configured to amplify a received light signal by applying one of a plurality of gain values;a memory configured to store a plurality of sets of PPG models corresponding to the plurality of gain values and including a current value and PPG level data corresponding to the current value; andat least one processor electrically ...

MULTI-FUNCTION FITNESS SCALE WITH DISPLAY

Certain aspects of the instance disclosure are assessing a fitness of a user using a weighing scale apparatus. Specific embodiments concern an arrangement of devices configured and arranged to monitor physiological parameters while the user is standing on a platform region of the device, and communicate an assessed fitness to the user as feedback. Further specific embodiments concern methods of monitoring physiological parameters of a user using the apparatus, assessing the fitness of the user based on one or more of the physiological parameters, and communicating the assessed fitness to the user as feedback. 1. A weighing scale apparatus , comprising:a platform region configured and arranged with an area for a user to stand;user-targeted circuitry configured and arranged to communicate user-specific data between the user and the user-targeted circuitry; and a support structure including the platform region and sensor circuitry therein, the platform region configured and arranged to engage the user with the sensor circuitry while the user stands on the platform region, and to collect physiological data from the user via the sensor circuitry,', monitor physiological parameters of the user while the user is standing on the platform region, the physiological parameters including user weight and at least one of the group selected from: body composition, hydration level, ballistocardiogram (BCG), impedance cardiogram (ICG), electrocardiogram (ECG), pulse wave velocity (PWV), photoplethysmogram (PPG), and recovery parameters; and', 'communicate an assessed fitness indication to the user as feedback, wherein the assessed fitness indication is based on one or more of the physiological parameters of the user, and wherein the feedback includes at least one selected from the group consisting of: fitness training recommendations, cardiovascular assessments, user health and fitness profiles, dietary recommendations, notifications when one or more of the physiological parameters ...

METHOD AND APPARATUS FOR PROCESSING SIGNAL

A signal processing method and apparatus for measuring heartbeat and oxygen saturation. The signal processing apparatus may acquire a first sampled signal by sampling a detection signal output from an optical detector in an interval in which a light source is activated, may acquire a second sampled signal by sampling a detection signal output from the optical detector in an interval in which the light source is inactivated, and may output a combined signal in which the first sampled signal and the second sampled signal are combined. An amplitude of the first sampled signal may decrease by combining the first sampled signal with the second sampled signal. 1. A signal processing apparatus comprising:a first sampler & holder coupled to an optical detector, the first sampler & holder configured to acquire a first sampled signal by sampling a detection signal acquired in an interval in which a light source is activated;a second sampler & holder coupled to the optical detector, the second sampler & holder configured to acquire a second sampled signal by sampling a detection signal acquired in an interval in which the light source is inactivated; anda signal combiner configured to output a combined signal acquired by combining the first sampled signal and the second sampled signal,wherein an amplitude of the first sampled signal decreases by combining the first sampled signal with the second sampled signal.2. The signal processing apparatus of claim 1 , wherein the first sampler & holder and the second sampler & holder are connected in parallel claim 1 , andoutput terminals of the first sampler & holder and the second sampler & holder are connected to opposite polarities.3. The signal processing apparatus of claim 1 , wherein the signal combiner is further configured to combine the first sampled signal and the second sampled signal after sampling the second sampled signal in the interval in which the light source is inactivated.4. The signal processing apparatus of claim 1 ...

Optical detection of motion effects

There is provided a wearable item configured to be placed at least partially against a skin of a person; and an optically sensitive detector mounted to the wearable item and configured to detect optical signals reflected from the skin of the person, wherein the detected optical signals represent a relative motion between the wearable item and the skin of the person and wherein the optically sensitive detector is mounted to the wearable item such that there is a predetermined space between the optically sensitive detector and the skin of the person.

USER WEARABLE APPARATUS WITH OPTICAL SENSOR

A user wearable apparatus including an optical sensor structure configured to optically monitor an area of a body of a user wearing the apparatus to monitor a physiological property of the user. A movement of at least one part of the optical sensor structure is caused to change the monitored area of the body of the user and to determine a desired monitoring area, and thereafter the monitoring of the physiological property of the user is maintained at the determined desired monitoring area. 115-. (canceled)16. A user wearable apparatus; comprising:an optical sensor structure configured to optically monitor an area of a body of a user wearing the apparatus to monitor a physiological property of the user, and to cause movement of at least one part of the optical sensor structure to change the monitored area of the body of the user and to determine a desired monitoring area, and', 'to maintain the monitoring of the physiological property of the user at the determined desired monitoring area., 'a processor configured'}17. The user wearable apparatus according to claim 16 , wherein the optical sensor structure comprisesa light source configured to illuminate an area of the body of the user wearing the apparatus, anda detector configured to detect light rays reflected from the body of the user to monitor the physiological property of the user.18. The user wearable apparatus according to claim 16 , wherein the movement of the at least one part of the optical sensor structure causes changes in optical path of light rays used in the optical sensor structure.19. The user wearable apparatus according to claim 16 , wherein the movement of the at least one part of the optical sensor structure comprises movement of the whole optical sensor structure.20. The user wearable apparatus according to claim 16 , wherein the optical sensor structure comprises an actuator configured to move the at least one part of the optical sensor structure claim 16 , and wherein the processor is ...

SMART COLLAR AND SYSTEM THEREOF

A smart collar includes a main body, a power module, an image capturing module, a sensing module, a process-storage module, and a wireless transmitting module. The power module includes a power control unit and a battery. The image capturing module retrieves at least one image data. The sensing module includes at least one sensor for detecting the physical condition, motion condition and environment condition of the user so as to obtain physical condition data, motion condition data and environment condition data. The process-storage module includes at least one processing unit and at least one memory unit. The processing unit generates the user condition data according to the physical condition data, the motion condition data and the environment condition data. The memory unit stores the image data and the user condition data. The wireless transmitting module transmits the image data and the user condition data to a peripheral device. 1. A smart collar configured for detecting a physical condition , a motion condition and an environment condition of a user for retrieving user condition data , the smart collar comprising:a main body;a power module disposed in the main body and comprising a power control unit and a battery;an image capturing module coupled to the power module and retrieving at least one image data;a sensing module coupled to the power module and comprising at least a sensor for detecting at least one physical condition, at least one motion condition and at least one environment condition of the user so as to obtain physical condition data, motion condition data and environment condition data;a process-storage module coupled to the image capturing module and the sensing module and comprising at least a processing unit and at least a memory unit, wherein the memory unit is coupled to the processing unit, and the processing unit generates the user condition data according to the physical condition data, the motion condition data and the environment ...

Physiological Sampling During Predetermined Activities

This disclosure relates to methods for measuring one or more physiological signals while the user is engaged in a predetermined activity. Exemplary predetermined activities can include activities such as walking, climbing stairs, biking, and the like. The physiological measurements can include, but are not limited to, heart rate signals. The physiological measurements may be affected by the predetermined activity, so the system may be configured to employ one or more criteria prior to measuring physiological information to minimize the effects. The one or more criteria can include, but are not limited to, an inter-sampling waiting time, continuous motion criteria, predetermined activity criteria, a post-physiological measurement amount of time, and a confidence value. The continuous motion criteria can be based on the type of predetermined activity. For example, walking may have walking state criteria and a step count criteria. 120-. (canceled)21. A device comprising:one or more sensors configured to measure motion and output one or more motion signals indicative of the measured motion;one or more light sources configured to emit light;one or more light detectors configured to detect a reflection of the emitted light; and identify a change from a first motion state to a second motion state based on the one or more motion signals;', 'in response to identifying the change from the first motion state to the second motion state, determine that the measured motion matches a motion criteria;', 'in accordance with the measured motion continuing to satisfy the motion criteria for a time threshold, determine whether the one or more motion signals are associated with a predetermined activity; and', emit the light with the one or more light sources;', 'detect the reflection of the emitted light with the one or more light detectors; and', 'determine physiological information based on the reflection of the emitted light., 'in accordance with determining that the one or more ...

STABILIZED SENSOR MODULES AND MONITORING DEVICES INCORPORATING SAME

A monitoring device includes a band configured to be secured around an appendage of a subject, and a sensor module secured to the band via supporting material. The band has a first Durometer value, and the supporting material has a second Durometer value that is lower than the first Durometer value. The sensor module includes a housing, and a sensor assembly disposed within the housing. The sensor assembly includes at least one energy emitter and at least one energy detector, and the housing includes at least one protrusion extending outwardly to accommodate the at least one energy emitter, and a plurality of outwardly extending stabilizing members. 1. A monitoring device , comprising:a band configured to be secured around an appendage of a subject, wherein the band has a first Durometer value; anda sensor module secured to the band via supporting material, wherein the supporting material has a second Durometer value that is lower than the first Durometer value.2. The monitoring device of claim 1 , wherein the sensor module comprises:a housing; anda sensor assembly disposed within the housing, the sensor assembly comprising at least one energy emitter and at least one energy detector, and wherein the housing comprises at least one protrusion extending outwardly to accommodate the at least one energy emitter, and a plurality of outwardly extending stabilizing members.3. The monitoring device of claim 1 , wherein the supporting material extends substantially around a periphery of the sensor module.4. The monitoring device of claim 1 , wherein the supporting material substantially surrounds the sensor module.5. The monitoring device of claim 2 , wherein the at least one energy emitter is configured to direct electromagnetic radiation claim 2 , mechanical energy claim 2 , acoustical energy claim 2 , electrical energy claim 2 , and/or thermal energy claim 2 , and wherein the at least one energy detector is configured to detect electromagnetic radiation claim 2 , ...

Device, system and method for generating a photoplethysmographic image carrying vital sign information of a subject

The present invention relates to a device, system and a method for generating a photoplethysmographic image carrying vital sign information of a subject. To provide an increased validity and robustness against motion, in particular against ballistocardiographic motion, the proposed device comprises an input interface (30) for obtaining image data of a skin region of a subject in at least two different wavelength channels, said image data comprising two or more image frames acquired by detecting light transmitted through or reflected from the skin region over time, wherein said image data comprise wavelength-dependent reflection or transmission information in said at least two different wavelength channels, a combination unit (31) for combining, per pixel or group of pixels and per time instant, image data values of said at least two different wavelength channels to obtain a time-variant pulse signal per pixel or group of pixels, and an image generation unit (32) for generating a photoplethysmographic image from a property of the respective pulse signals in a time window including at least two image frames.

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 ...