РЕГУЛИРУЕМОЕ СЕНСОРНОЕ УСТРОЙСТВО ДЛЯ СЧИТЫВАНИЯ ФИЗИОЛОГИЧЕСКИХ ПАРАМЕТРОВ

Изобретение относится к сенсорному устройству. Сенсорное устройство содержит ремешок, включающий в себя по меньшей мере один датчик для измерения физиологического параметра на внутренней стороне запястья тела человека или животного и блок обработки сигналов для обработки выходных данных измерения, полученного от упомянутого по меньшей мере одного датчика. Упомянутый ремешок выполнен с возможностью обеспечения регулируемого прикрепления к упомянутому блоку обработки сигналов на обоих концах упомянутого ремешка. В результате обеспечивается точное расположение датчика на внутренней стороне запястья тела человека или животного. 2 н. и 9 з.п. ф-лы, 6 ил.

СИСТЕМА ОБЕСПЕЧЕНИЯ КАРТЫ ЭЛЕКТРИЧЕСКОЙ АКТИВНОСТИ

Группа изобретений относится к медицине, а именно к диагностике. Система для обеспечения карты электрической активности сердца живого существа включает: блок обеспечения проекционных изображений, блок определения положений поверхностных электродов, блок определения положения структуры сердца, блок определения карты электрической активности для определения карты электрической активности у структуры сердца. Способ осуществляет посредством работы системы. Группа изобретений позволяет снизить травматичность исследования за счет неинвазивности, а также повысить качество построения карт электрической активности сердца. 3 н. и 7 з.п. ф-лы., 3 ил.

МАНЖЕТА ДЛЯ ИЗМЕРЕНИЯ КРОВЯНОГО ДАВЛЕНИЯ

... 1. Полосовая манжета (10) для измерения кровяного давления, имеющая продольное направление (1) и поперечное направление (2), внутреннюю сторону (3) и наружную сторону (4), включающая петлевой элемент (5) и концевую часть (6), которая может быть пропущена сквозь петлевой элемент (5), при этом полосовая манжета (10) имеет первую продольную часть (7), в состав которой входит петлевой элемент (5), причем первая продольная часть (7) включает первую нижнюю краевую зону (8) и первую верхнюю краевую зону (9), а полосовая манжета (10) имеет зону (15) камеры с камерой (16), отличающаяся тем, что первая продольная часть (7) включает, у первой нижней краевой зоны (8), приспособление для позиционирования (13) с выемкой (14).2. Полосовая манжета по п.1, отличающаяся тем, что зона (15) камеры включает нижний край (17) зоны камеры, а выемка (14) находится от него в поперечном направлении (2) на первом расстоянии (18), составляющем, по меньшей мере, 1,5 см, предпочтительно от 1,5 до 5,5 см, более предпочтительно ...

A medical device for measuring a concentration of an entity in a digit

A device 700 to measure the concentration of a blood parameter (e.g. glucose) includes a housing into which the digit of a user is received, a non-invasive blood parameter concentration sensor (e.g. optical 727, electromagnetic 725) and a pressure sensor 725 to measure pressure applied by the digit onto the concentration sensor. The housing has a hinge 722, base 720 and lid 721, and the device adjusts the pressure applied to the sensor by the finger dependent on the measured pressure. Blood glucose readings may be taken when the applied finger pressure is within a predetermined range, thus increasing measurement reliability. Alternatively or additionally to using finger pressure measurement, the device may control the volume of blood in the finger using a tourniquet 710, and determine digit orientation for example using a fingerprint sensor 726 (see figs 8-10). Measurements may be suspended until the finger is positioned correctly or an adjustment made to a measurement taken at an incorrect ...

Wire-Free Monitoring Device for Acquiring, Processing and Transmitting Physiological Signals

Abstract A wireless physiological device for acquiring and processing physiological signals, the device comprising: a sensor patch comprising a plurality of electrodes, configured to be in contact with a skin surface of a patient, to generate a plurality of physiological signals of the patient; and at least one wire-free module, embedded in the sensor patch, comprising: an auto-orientation module to detect an orientation of the sensor patch on the patient using a plurality of sensors; a processing module to: select one or more bio-potential signals from the plurality of physiological signals generated by the sensor patch based on the detected orientation of the sensor patch; and process the one or more bio-potential signals selected to obtain one or more processed signals; a detection module to detect the one or more processed signals as a predefined physiological data; and a transmission module to transmit the detected physiological data to a mobile device. WO 2016/181321 PCT/IB2016/052694 ...

A device for recording and transferring a contour

WEARABLE DEVICE

Disclosed is a wearable device (100, 500, 600) for being worn on the torso of a user, at least one of limbs of the user or a combination thereof. The wearable device (100, 500, 600) comprises a wearable body (110, 210, 310, 410, 610) and at least one positioning unit (120, 520, 620), wherein the wearable body (110, 210, 310, 410, 610) has at least two fixing parts (111, 112, 113, 211, 212, 311, 312, 411) respectively fixed on at least two adjacent movable joints of the user, so that the wearable body (110, 210, 310, 410, 610) is fitted to the torso, the at least one of the limbs or the combination thereof; the wearable body (110, 210, 310, 410, 610) forms a positioning region (A1, A2, A3, A4) between the fixing parts (111, 112, 113, 211, 212, 311, 312, 411); a portion, between the two adjacent movable joints, of the torso, the at least one of the limbs or the combination thereof is located in the positioning region (A1, A2, A3, A4); and the positioning unit (120, 520, 620) is configured ...

VISUALIZATION SYSTEM FOR OPHTHALMIC SURGERY

An ophthalmic surgical system includes an imaging unit configured to generate a fundus image of an eye and a depth imaging system configured to generate a depth-resolved image of the eye. The system further includes a tracking system communicatively coupled to the imaging unit and depth imaging system, the tracking system comprising a processor and memory configured to analyze the fundus image generated by the imaging unit to determine a location of a distal tip of a surgical instrument in the fundus image, analyze the depth-resolved image generated by the depth imaging system to determine a distance between the distal tip of the surgical instrument and a retina of the eye, generate a visual indicator to overlay a portion of the fundus image, the visual indicator indicating the determined distance between the distal tip and the retina, modify the visual indicator to track a change in the location of the distal tip within the fundus image in real-time, and modify the visual indicator to ...

ORAL APPLIANCE MONITORING

A system for monitoring use of an oral appliance, the oral appliance (700) including a body that is positioned within an oral cavity of the user in use, the system including an appliance monitoring device (760) which in use is attached to or embedded within the oral appliance, the appliance monitoring device (760) including, at least one sensor, the at least one sensor including a pressure sensor that generates a signal indicative of a pressure, a data store and a processing device that analyses signals from the at least one sensor to determine a usage state, in response to a determination that the appliance is in use, generates usage data at least partially indicative of the use and stores the usage data in the data store. The system also includes one or more processing systems that acquire the usage data from the monitoring device and store an indication of the usage data and/or cause a representation to be displayed at least partially in accordance with the usage data.

DEVICE, SYSTEM AND METHOD FOR NON-INVASIVE MONITORING OF PHYSIOLOGICAL MEASUREMENTS

System and method for non-invasive monitoring of physiological measurements of a subject, including at least one monitoring device, to detect changes in measured physiological signals, the monitoring device including at least one measuring unit, wherein each measuring unit includes: at least two light emitting sources, and at least one sensor, to detect light beams emitted from the at least two light emitting source, and a computerized device, in communication with the at least one monitoring device, the computerized device to receive data from monitoring device, wherein the monitoring device is configured to be removably attachable to the subject's body.

SELF-IDENTIFYING OXIMETRY SENSOR SYSTEM

A system includes a plurality of sensors and a monitor. Each sensor of the plurality of sensors has a sensor output corresponding to a physiological measurement. Each sensor has a parameter associated with the sensor output. The monitor has a monitor processor, a display, and multiple channels. Each channel is configured to receive a sensor output from a sensor of the plurality of sensors. The monitor processor is configured to execute a set of instructions and configured to depict the physiological measurement using the display. The sensor output is configured using the parameter associated with the sensor output. The parameter corresponds to at least one of the channel associated with the sensor and a code received using the channel.

TISSUE SITE DETECTION

A device includes a housing, an emitter, a detector, and a processor. The housing has a body contact surface. The emitter is coupled to the housing and has an emission surface and has an electrical terminal. The emission surface is configured to emit light proximate the body contact surface in response to a signal applied to the electrical terminal. The detector is coupled to the housing. The detector has a sense surface and an output terminal. The detector is configured to provide an output signal on the output terminal in response to light detected at the sensor surface. The processor is configured to implement an algorithm to determine a tissue site based on the emitted light and based on the detected light.

WIRE-FREE MONITORING DEVICE FOR ACQUIRING, PROCESSING AND TRANSMITTING PHYSIOLOGICAL SIGNALS

Embodiments of the present disclosure relate to an electrode device to acquire, process and transmit physiological signals. The device eliminates the need for inconvenient wires attached at different locations on patient's body. The device comprises a sensor patch comprising plurality of sensors/electrodes, configured to be in contact with a skin surface of a human body, to measure physiological of the patient. Also, the device comprises a wire-free module, embedded in the sensor patch, comprising an auto-orientation module to detect the orientation of the sensor patch on the human body using a plurality of sensors. The wire-free module comprises a processing module to process one or more signals received from the plurality of sensors/ electrodes. Further, the wire-free module comprises a detection module to detect one or more processed signals as a predefined physiological signal and a transmission module to transmit the detected physiological signal to a mobile device.

Electrode array and method of placement

PULSE DIAGNOSIS INSTRUMENT

Advanced electronic instrumentation for electrical impedance myography

Embodiments of devices and methods for evaluating tissue are disclosed. In one embodiment, a method for measuring a characteristic of a tissue may include passing a current through the tissue, measuring a signal corresponding to the voltage resulting from passing the current through the tissue, analyzing current passed through the tissue and resulting voltage to determine the electrical characteristics of the tissue; and analyzing the electrical characteristics of the tissue to determine a status of the tissue. Disposable sensors are disclosed.

Devices Utilizing Fluorescent Enhancement Theragnosis Technology

A plurality of devices that provide examination/diagnosis and/or treatment benefits to a patient are presented. The device including a plurality of light sources that provide for the emission of light in a plurality of wavelength ranges, wherein the plurality of light sources are activated by a sensor, configured to determine a proximity of the device to a patient, to control an application of a voltage to selected one of the plurality of light sources for a predetermined time period.

METHODS AND SYSTEMS FOR ELECTRODE PLACEMENT

Described herein are systems, devices and methods for guiding placement of electrodes, and particularly ECG electrodes on a patient. A picture of the patient's body the patient can be analyzed to determine where on the patient's body to place electrodes according to a predetermined, conventional or standard placement pattern. The methods, devices and systems may then guide a user in positioning or correcting the position of electrodes on the patient. For example, an image of the patient may be provided showing the correct position of the electrodes, which may act as a patient-specific map or guide. The electrode placement positions can correspond to conventional or standard 12-lead ECG electrode positions.

MEDICAL IMAGING APPARATUS WITH A POSITIONING UNIT, AND A METHOD FOR DETERMINING A POSTION ON A POSITIONING SURFACE THEREOF

A medical imaging apparatus is designed to acquire medical imaging data of a patient during a medical imaging examination and has a medical data acquisition scanner, which has a patient reception area at least partially enclosed by the scanner, inside of which a body area of a patient for examination is situated during the medical imaging examination. A positioning unit has a projector and at least one positioning surface situated inside the patient reception area. The projector is designed to project at least one item of anatomical information onto the at least one positioning surface inside the patient reception area.

ECG monitoring system and method

An ECG monitoring system includes two or more active electrodes, each active electrode having an electrode pad fixable to a patient to sense physiological potentials from the patient, a common connection port, and a wireless transmitter. The system further includes a common connector electrically connected to the common connector port of each of the two or more active electrodes to provide a comparator signal to each of the active electrodes. Each of the active electrodes compares the physiological potentials sensed at the electrode pad against the comparator signal to generate a cardiac signal, and then wirelessly transmits the cardiac signal with the wireless transmitter.

Information processing apparatus, program, and biosignal measurement set

An information processing apparatus includes a retaining unit, an image acquisition unit, an image processor, a comparator, and an image generator. The retaining unit is configured to retain a defined attachment position being an attachment position of a biological detection sensor with respect to a body site of a user, the defined attachment position being defined in advance. The image acquisition unit is configured to acquire a capture image captured by an imaging unit. The image processor is configured to extract, from the capture image, a body shape of the user. The comparator is configured to compare the body shape with the defined attachment position. The image generator is configured to generate, based on a comparison result by the comparator, a display image to be displayed on a display unit.

Optical sensing device

An optical sensing device includes a device casing and an optical sensor on the device casing. In an embodiment, the optical sensing device further includes an image-capturing device on the device casing. The sensing direction of the optical sensor and the capturing direction of the image-capturing device point in the same direction. The image-capturing device can capture an image of an object to be sensed by the optical sensor. In another embodiment, the optical sensing device further includes a flexible shielding cover on the device casing and enclosing the optical sensor for shielding the optical sensor from external light.

Small form factor detector module for high density diffuse optical tomography

A wearable device for high-density-diffuse optical tomography includes a plurality of source modules that include source housings containing a light source. The device also includes a plurality of detector modules that include detector housings, a photodiodes, transimpedance amplifiers operatively coupled to the photodiodes, and analog to digital converters operatively coupled to the transimpedance amplifier. Each detector housing contains at least one of the photodiode, the analog to digital converter, and the transimpedance amplifier. Each source and detector housing is configurable to contact a subject's scalp and deliver or receive light from the scalp at one position. The wearable device also includes a control circuit operatively coupled to the plurality of source modules and to the plurality of detector modules to operate the source and detector modules in a coordinated manner to acquire a plurality of diffuse optical tomography measurements.

УСТРОЙСТВО ДЛЯ ПУЛЬСОВОЙ ДИАГНОСТИКИ

Изобретение относится к медицинской технике. Устройство для пульсовой диагностики содержит установочный компонент (1) для фиксации на запястье посредством выполненных в основании установочного компонента (1) двух дугообразных элементов (15). Установочный компонент (1) имеет видимое установочное окно (11) и дугообразную вогнутую часть (14) для размещения запястья. Сенсорный компонент устройства установлен в установочном компоненте (1). Сенсорный зонд сенсорного компонента выполнен с возможностью установки внутри установочного окна (11). Посередине каждой рамки установочного окна (11) имеются установочные метки (12) для направления в положение пульса. Применение изобретения позволит повысить точность измерения за счет точного размещения сенсора и его фиксации на запястье. 6 з.п. ф-лы, 10 ил.

СПОСОБ УПРАВЛЕНИЯ УСИЛИЕМ АКУПРЕССУРЫ И СКАНИРОВАНИЕМ ТЕЛА В РЕАЛЬНОМ ВРЕМЕНИ

Изобретение относится к медицине, а именно к способам управления силой акупрессуры в реальном времени. При этом устанавливают контрольную вертикальную высоту для каждого горизонтального положения акупрессурной секции. Устанавливают целевую силу акупрессуры в диапазоне контрольной вертикальной высоты. Вычисляют текущую измеренную силу акупрессуры из данных измерения нагрузки пользователя, приложенной к датчику нагрузки. Сравнивают целевую силу акупрессуры с текущей измеренной силой акупрессуры. Управляют вертикальной высотой акупрессурной секции. Обеспечивается технология для вычисления силы акупрессуры, подходящей для пользователя. 6 з.п. ф-лы, 12 ил., 2 табл.

СПОСОБ И УСТРОЙСТВО ДЛЯ ВЫДАЧИ УКАЗАНИЯ ПО РАЗМЕЩЕНИЮ НОСИМОГО УСТРОЙСТВА

ЭЛЕКТРОННЫЙ СФИГМОМАНОМЕТР

... 1. Электронный сфигмоманометр, содержащий: манжету (20), подлежащую оборачиванию вокруг предварительно определенного места измерения; датчик (32) давления, выполненный с возможностью определения сигнала давления манжеты, указывающего давление в манжете; датчик (60) угла, выполненный с возможностью определения угла манжеты по отношению к предварительно определенному опорному направлению; блок (102) определения положения, выполненный с возможностью определения, находится ли положение места измерения в надлежащем диапазоне, на основе выходного сигнала датчика угла; блок (62, 63) уведомления, выполненный с возможностью уведомления, находится ли положение места измерения в надлежащем диапазоне; блок (106) определения времени, определяющий, не меньше ли первое время, указывающее момент времени, в котором положение места измерения находится в надлежащем диапазоне, чем первое эталонное время; и блок (108) управления измерениями, управляющий измерением кровяного давления на основе сигнала давления ...

ЭЛЕКТРОННАЯ СИСТЕМА УПРАВЛЕНИЯ РЕГИСТРАЦИЕЙ ЭЛЕКТРОКАРДИОГРАММЫ

Wireless physiological sensor patches and systems

Measuring and recording body electrical potentials

A device 100 for measuring and recording electrical potentials for an area of the body of a subject 124 comprises: a reference probe 102; a measuring probe 104 for locating at a plurality of different locations; and processing circuitry 106 configured to measure and record a potential value based on a potential difference measured between the reference and measuring probes. The reference and/or the measuring probes may comprise one or more electrodes, an electric field sensor, an accelerometer and/or optical tracking means. The reference and/or the measuring probe may comprise means for controlling and/or monitoring the contact force to ensure a consistent level of contact with the body is obtained. The reference probe may comprise a self-adhesive pad, a cup-disc, a plate, a needle and/or a wire loop. In one embodiment the measuring probe may be movable by hand to the plurality of different locations and may be a stylus. In another embodiment the measuring probe is a stationary array.

Wireless physiological patches and systems

Methods and systems for selecting media guidance applications based on a position of a brain monitoring user device

A position of a brain monitoring user device on a user is determined based on the detection of a first brain signal from a first brain region. The determined position of the user device is cross-referenced with a database of sets of media guidance application operations that are accessible based on positions of user devices in order to determine a set of interactive media guidance application operations that are accessible by the user based on the determined position of the user device. The first brain signal may comprise an electroencephalogram (EEG) signal or an electromyogram (EMG) signal. The user device may be a circular fixture such as a headband, or may be shaped as jewellery. The media guidance application may be an electronic program guide (EPG), and the operations may relate to controlling the volume or changing channel. The media guidance application may therefore provide different operations to the user based on the position of the brain monitoring user device. A user may move ...

Joint sensing

Electronic biometric devices and methods of construction

SYSTEMS AND METHODS FOR MONITORING AND TREATING DIABETIC FOOT ULCERS

In some aspects, a computer-implemented method is disclosed for gathering and processing sensor data to identify a risk of impacting or causing a skin injury. The computer- implemented method can include: receiving, via a computer network, sensor feature data representing output of a user sensor configured to be worn on a limb of a user; generating activity classification model output data using the sensor feature data and an activity classification model, the activity classification model output data representing likelihoods that the sensor feature data corresponds to each of a plurality of different activity classifications; determining an activity classification from the activity classification model output data; and transmitting, via the computer network, display data representing the activity classification to a computing device configured to present the display data.

ELECTRONIC SYSTEM TO CONTROL THE ACQUISITION OF AN ELECTROCARDIOGRAM

It is disclosed an electronic system (1 ) to control the acquisition of an electrocardiogram. The system comprises a portable electronic device (2) and a mobile electronic device (3). The mobile electronic device comprises an optical device (3-1) for acquiring real-time images of a portion of a human body, comprises a screen (3-2) and comprises a processing unit (3-3) connected to the optical device and to the screen. The portable electronic device (2) comprises a first (2-1), a second (2-2) and a third (2-3) electrode configured to generate a first (S1_r), a second (S2_r) and a third (S3_r) detecting electrical signal respectively representing the current generated on the skin by the activity of the heart of a human being in the respective points wherein the first, second and third electrodes are positioned on said portion of the human body. The processing unit of the mobile electronic device comprises an electrodes placement guiding module (3-3.1) for the first, second and third electrode ...

METHOD FOR DETECTING BLOCKAGE IN A FLUID FLOW VESSEL

A method for measuring sound from vortices in the carotid artery comprising: a first and second quality control provisions, wherein the quality control compares detected sounds to pre-determined sounds, and upon confirmation of the quality control procedures, detecting sounds generated by the heart and sounds from vortices in the carotid artery for at least 30 seconds. A method for determining stenosis of the carotid artery in a human patient consisting of a first step of placing a sensing device comprising an array and three sensing elements onto the patient, wherein a first sensing element is placed near the heart and the two remaining sensing elements are placed adjacent to the carotid arteries; the sensing elements then measure sounds from each of the three sensing elements, resulting in sound from three channels. The sound is measured in analog and modified to digital format and then each of the three channels are analyzed before a power spectral density analysis is performed. The ...

Method for controlling electromagnetic transmission according to pressure parameters

APPARATUS FOR DETECTING BIO-SIGNAL AND CONTACT STATE USING CUSHION, IMAGE AND SENSOR AND METHOD FOR DETECTING BIO-SIGNAL AND CONTACT STATE THEREBY

An embodiment of the present invention provides an apparatus for detecting a bio-signal and a contact state, capable of measuring the bio-signal even if a user sits down or lies on the apparatus according to the present invention by being installed in a position like a cushion of a chair, and a method for detecting a bio-signal and a contact state thereby. The apparatus for detecting a bio-signal and a contact state using a cushion, an image, and a sensor according to an embodiment of the present invention includes: an input unit which includes a seat which includes one surface to which the motion of the user is acted and has a function to be restored to an initial shape if the motion of the user is released, and an inner spaced which is sealed from the outside; a plurality of markers which are arranged and installed on the one surface of the seat; an image pickup unit which collects a marker image as the photographed image of the marker which is changed by corresponding to the motion of ...

심전도의 획득을 제어하기 위한 전자 시스템

... 심전도의 획득을 제어하기 위한 전자 시스템(1)이 개시된다. 이러한 시스템은 휴대가능 전자 디바이스(2) 및 이동가능 전자 디바이스(3)를 포함한다. 이동가능 전자 디바이스는, 인간 신체의 일부분의 실-시간 이미지들을 획득하기 위한 광학 디바이스(3-1)를 포함하고, 그리고 스크린(3-2)을 포함하고, 그리고 광학 디바이스에 연결됨과 아울러 스크린에 연결되는 프로세싱 유닛(3-3)을 포함한다. 휴대가능 전자 디바이스(2)는, 제 1 전기적 검출 신호(S1_r), 제 2 전기적 검출 신호(S2_r), 및 제 3 전기적 검출 신호(S3_r)를 각각 발생시키도록 구성된 제 1 전극(2-1), 제 2 전극(2-2), 및 제 3 전극(2-3)을 포함하고, 여기서 제 1 전기적 검출 신호, 제 2 전기적 검출 신호, 및 제 3 전기적 검출 신호는, 인간 신체의 상기 일부분 상에서 제 1 전극, 제 2 전극, 및 제 3 전극이 위치하고 있는 각각의 지점들에 존재하는 인간의 심장의 활동에 의해 피부 상에서 발생되는 전류를 각각 나타낸다. 이동가능 전자 디바이스의 프로세싱 유닛은 제 1 전극, 제 2 전극, 및 제 3 전극에 대한 전극들 배치 안내 모듈(3-3.1)을 포함한다. 전극들 배치 안내 모듈은, 인간 신체의 일부분을 나타내는 복수의 실-시간 이미지들(I1, I2, ..., In)을 수신하도록 구성되고, 그리고 상기 복수의 이미지들 중 적어도 일부 이미지들 내에서 인간 신체의 일부분의 특징부를 식별하도록 구성되고, 그리고 식별된 특징부에 따라, 인간 신체의 일부분 상에서 제 1 전극, 제 2 전극, 및 제 3 전극을 적용하기 위한 위치들을 계산하도록 구성되고, 그리고 제 1 전극, 제 2 전극, 및 제 3 전극을 적용하기 위한 계산된 위치들을 표시하는 정보를 전달하는 구동 신호(S_pl)를 발생시키도록 구성된다. 스크린은, 상기 구동 신호를 수신하도록 구성되고, 그리고 인간 신체의 상기 일부분을 나타내는 실-시간 이미지(I_ps_el)를 디스플레이하도록 구성되고, 여기서 ...

센서의 최적 위치설정을 위한 방법, 시스템, 및 장치

... 생체의료 센서는 적어도 부분적으로 피부-대면 표면 위에 배치되는 전도성 요소들을 구비한다. 감지 요소가 전도성 요소들을 사용하여 신체의 생리학적 파라미터를 나타내는 신호를 검출한다. 저장 장치가 생리학적 모델을 저장한다. 프로세서가 신호를 모델과 비교함으로써 센서 배치 질을 결정하고, 결정된 질을 표시하도록 표시기를 작동시킨다. 센서를 사용하여 측정하는 방법은 다수의 측정치들을 사용하여 측정치 수용 기준을 계산하는 단계, 후속 검사 측정치가 계산 단계로부터 얻어진 측정치 수용 기준에 대응하는지 여부를 결정하는 단계, 및 결과를 표시기를 통해 표시하는 단계를 포함한다. 신체의 생리학적 특성을 측정하기 위한 시스템은 센서, 센서로부터 측정치를 수신하기 위한 사용자 인터페이스 장치, 및 사용자 인터페이스 장치와 관련되고, 측정치가 선택된 수용 기준을 충족시키지 않으면 피드백을 제공하도록 구성되는 프로세서를 포함한다.

Method for detecting blockage in a fluid flow vessel

SYSTEMS AND METHODS FOR HOME TRANSDERMAL GFR MONITORING

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 ...

PULSE DIAGNOSIS INSTRUMENT

A pulse diagnosis instrument comprises a locating assembly (1) independently fixed to a wrist. The locating assembly (1) is provided with a visible locating window (11). The pulse diagnosis instrument also comprises a sensor assembly (2) installed on the locating assembly (1), and a sensor detection head (21) of the sensor assembly (2) is situated inside the locating window (11) after installed.

A DEVICE FOR RECORDING AND TRANSFERRING A CONTOUR

The invention relates to a device for recording and transferring the contours of a wound or opening in tissue of a human being comprising a transparent polymer sheet (1) having a first and a second surface, wherein the first surface faces the wound or opening and the second surface comprises a central portion and an edge portion wherein the edge portion is provided with an adhesive layer (3). The device is placed over the wound or opening and the contours (2) are traced on the central portion of the device, then the device is reversed and transferred to an appliance, and an aperture is cut from the traced contours.

Method for controlling acupressure force and body scan in real-time

The present invention relates to a method for controlling an acupressure force and a body scan in real-time and, more specifically, the method comprises the steps of: (a) setting a reference vertical height for each horizontal position of an acupressure part, and setting a target acupressure force within the range of the reference vertical height; (b) calculating a current measurement acupressure force by means of a user's load measurement data applied to a load cell; and (c) comparing the target acupressure force with the current measurement acupressure force so as to control the vertical height of the acupressure part. That is, the present invention presents a method for controlling a body scan in real-time, the method enabling: an inflection point of a driving current measurement value applied to a horizontal driving motor to be measured during the horizontal driving of an acupressure part in an initial massage process, so as to reflect, on an acupressure force correction value, a deviation ...

Apparatus for control of non-invasive parameter measurements

Improved methods and apparatus for non-invasively assessing one or more parameters associated with fluidic systems such as the circulatory system of a living organism. In a first aspect, an improved method of continuously measuring pressure from a compressible vessel is disclosed, wherein a substantially optimal level of compression for the vessel is achieved and maintained using perturbations (e.g., modulation) of the compression level of the vessel. In one exemplary embodiment, the modulation is conducted according to a pseudo-random binary sequence (PBRS). In a second aspect, an improved apparatus for determining the blood pressure of a living subject is disclosed, the apparatus generally comprising a pressure sensor and associated processor with a computer program defining a plurality of operating states related to the sensed pressure data. Methods for pressure waveform correction and reacquisition, as well as treatment using the present invention, are also disclosed.

Removable smartphone case for radio wave based health monitoring that generates alignment signals

A removable smartphone case is disclosed. The removable smartphone case includes a case body configured to receive a smartphone, a radio frequency (RF) front-end connected to the case body and including a semiconductor substrate and an antenna array including at least one transmit antenna configured to transmit radio waves below the skin surface of a person and a two-dimensional array of receive antennas configured to receive radio waves, the received radio waves including a reflected portion of the transmitted radio waves, wherein the semiconductor substrate includes circuits configured to generate signals in response to the received radio waves, wherein the signals correspond to an alignment of the antenna array relative to a vein below the skin surface of the person, and a communications interface configured to transmit digital data that corresponds to the signals generated by the semiconductor substrate from the removable smartphone case.

SYSTEM AND METHOD FOR INFORMING OF ATTACHMENT POSITIONS OF ECG ELECTRODES

Provided are a system and method for informing of attachment positions of electrocardiogram (ECG) electrodes to improve the quality of ECG data. The system includes a judgment indicator extractor configured to extract a plurality of judgment indicator values from ECG data obtained through ECG electrodes, a reference value setter configured to, in a user-specific reference value setting mode, collect the judgment indicator values for a plurality of pieces of ECG data extracted by the judgment indicator extractor and set user-specific reference values for each judgment indicator, a similarity determiner configured to, in an ECG measurement mode, determine similarity by comparing a plurality of judgment indicator values extracted by the judgment indicator extractor with the user-specific reference values, and an electrode attachment position guide configured to inform a user of attachment positions of the ECG electrodes according to a similarity determination result of each of the judgment ...

Patch guide method and program

The present disclosure relates to a patch guide method, including at least: acquiring a matched model of a 3D scan model and a 3D brain MM model; capturing an image of the head of the object by using a depth camera; matching one location of the captured image and one location on the matched model; and determining a patch location on the head of the object, by using a 3D brain map. In the method, physical characteristics of areas included in the brain MRI image are acquired and used to generate the 3D brain map of the object. In the method, a target stimulus point, to which an electrical stimulus is to be applied in a brain of the object, is acquired and used in a simulation of a delivery process of the electrical stimulus to the target stimulus point from candidate stimulus positions, to determine the patch location.

СИСТЕМА КОНТРОЛЯ ЭКГ С БЕСПРОВОДНОЙ СВЯЗЬЮ

Группа изобретений относится к медицинской технике. Беспроводная система кардиального контроля содержит ЭКГ-монитор и трубку сотового телефона. ЭКГ-монитор содержит приемопередатчик для беспроводной передачи данных сигнала ЭКГ. ЭКГ-монитор содержит соединенный с приемопередатчиком блок уведомления о статусе для передачи уведомления при изменении статуса ЭКГ-монитора. Трубка сотового телефона содержит электронику, приемопередатчик для беспроводного приема данных сигнала ЭКГ или уведомлений от ЭКГ-монитора и контроллер для передачи электроникой данных сигнала ЭКГ в центр контроля по сети сотовой связи. Контроллер может отвечать на уведомление от ЭКГ-монитора посредством доведения до пациента уведомления с помощью трубки сотового телефона или передачи уведомления в центр контроля. Уведомление доводится до пациента с помощью дисплея сотового телефона, тонального сигнала или речевой подсказки, формируемых сотовым телефоном. Контроллер может задержать передачу заданного уведомления в центр контроля ...

СПОСОБЫ, СИСТЕМЫ И УСТРОЙСТВА ДЛЯ ОПТИМАЛЬНОГО РАСПОЛОЖЕНИЯ ДАТЧИКОВ

УСТРОЙСТВО ДЛЯ ПУЛЬСОВОЙ ДИАГНОСТИКИ

... 1. Устройство для пульсовой диагностики, отличающееся тем, что содержит установочный компонент, независимо фиксируемый на запястье, причем указанный установочный компонент имеет видимое установочное окно.2. Устройство для диагностики по п.1, отличающееся тем, что указанное устройство содержит также сенсорный компонент, который установлен в установочном компоненте так, что после сборки сенсорный зонд указанного сенсорного компонента находится внутри установочного окна.3. Устройство по п.2, отличающееся тем, что вокруг указанного установочного окна имеются установочные метки, предназначенные для направления в положение пульса.4. Устройство по п.3, отличающееся тем, что указанные установочные метки соответственно расположены посредине каждой рамки указанного установочного окна.5. Устройство по п.2, отличающееся тем, что указанный сенсор имеет эластичную защелку, при этом указанный установочный компонент содержит прорезь; при сборке эластичная защелка указанного сенсорного компонента заскакивает ...

РЕГУЛИРУЕМОЕ СЕНСОРНОЕ УСТРОЙСТВО ДЛЯ СЧИТЫВАНИЯ ФИЗИОЛОГИЧЕСКИХ ПАРАМЕТРОВ

... 1. Сенсорное устройство, содержащее:ремешок (62), включающий в себя по меньшей мере один датчик (66) для измерения физиологического параметра на внутренней стороне запястья тела человека или животного; иблок (71) обработки сигналов для обработки выходных данных измерения, полученного от упомянутого по меньшей мере одного датчика (66);причем упомянутый ремешок (62) выполнен с возможностью обеспечения регулируемого прикрепления к упомянутому блоку (71) обработки сигналов на обоих концах упомянутого ремешка (62).2. Устройство по п. 1, в котором упомянутый блок (71) обработки сигналов содержит интерфейс (61) пользователя.3. Устройство по п. 1, в котором упомянутый ремешок (62) содержит полый канал для размещения проводки между упомянутым по меньшей мере одним датчиком (66) и упомянутым блоком (71) обработки сигналов.4. Устройство по п. 1, в котором упомянутый блок (71) обработки сигналов содержит устройство хранения данных для хранения результатов измерений.5. Устройство по п. 1, в котором ...

СИСТЕМА ОБЕСПЕЧЕНИЯ КАРТЫ ЭЛЕКТРИЧЕСКОЙ АКТИВНОСТИ

... 1. Система для обеспечения карты электрической активности сердца живого существа с помощью электрических сигналов от сердца, получаемых множеством поверхностных электродов на внешней поверхности живого существа, причем система (1) содержит:блок (2) обеспечения проекционных изображений для обеспечения проекционных изображений сердца и множества поверхностных электродов (9) в разных направлениях,блок (11) определения положений поверхностных электродов для определения положений множества поверхностных электродов (9) на основе обеспеченных проекционных изображений,блок (12) определения положения структуры сердца для определения положения структуры сердца живого существа на основе обеспеченных проекционных изображений, причем блок (12) определения положения структуры сердца выполнен с возможностью адаптации анатомической модели сердца, включающей в себя структуру сердца, к обеспеченным проекционным изображениям сердца для определения положения структуры сердца,блок (13) определения карты электрической ...

Manschette eines Blutdruckmessgerätes

... [PROBLEM]: Es ist eine Blutdrucküberwachungsgerät-Manschette bereitzustellen, in welcher ein Benutzer die Manschette richtig tragen kann, natürlich ohne eine spezielle Aufmerksamkeit hierfür zu widmenrucküberwachungsgerät-Manschette 100A besitzt eine Umwicklungskonfiguration, welche für das Umwickeln eines Oberarmes 220 zu benutzen ist, und wird mit einem Luftkissen und einer äußeren Ummantelung 110 bereitgestellt. Das Luftkissen ist für das Anwenden von Druck an dem Oberarm 220, und die äußere Ummantelung 110 ist durch ein Glied mit einer Flexibilität konfiguriert, um das Luftkissen aufzunehmen. Ein beschwerter Abschnitt 160 wird auf dem Endteil der äußeren Ummantelung 110 bereitgestellt, welches auf der peripheren Seite des Oberarmes 220 angeordnet ist, wenn sie getragen wird.

Electronic Biometric Devices and Methods of Construction

Measuring and recording body electrical potentials

WIRELESS CARDIAC MONITORING DEVICE AND METHOD TO MEASURE AND TRANSMIT CARDIAC PHYSIOLOGICAL SIGNALS

Disclosed embodiments relate to a method and a wireless cardiac monitoring device to measure and transmit cardiac physiological signals of a subject. The device comprises a patch configured to be in contact with a skin surface of the subject. The patch comprises a plurality of electrodes and at least one wire-free module, embedded in the patch. The wire-free module comprises a patch orientation detection module to detect an orientation of the patch on the subject using a plurality of sensors. The wire-free module also comprises a processing module to select at least two pair of electrodes from the plurality of electrodes based on the detected orientation of the patch and process one or more bio-potential signals corresponding to the at least two pair of electrodes selected, as the physiological signals. The wire-free module further comprises a transmission module to transmit the physiological signals to an external device for further processing. Figure IA EXTERNAL DEVICE ...

METHOD AND APPARATUS FOR DETERMINING THE PROXIMITY OF A TMS COIL TO A SUBJECT'S HEAD

METHOD AND SYSTEM FOR MONITORING OXYGENATION LEVELS OF A COMPARTMENT FOR DETECTING CONDITIONS OF A COMPARTMENT SYNDROME

A method and system for continually monitoring oxygenation levels in real -time in compartments of an animal limb, such as in a human leg or a human t high or a forearm, can be used to assist in the diagnosis of a compartment s yndrome. The method and system can include one or more near infrared compart ment sensors in which each sensor can be provided with a compartment alignme nt mechanism and a central scan depth marker so that each sensor may be prec isely positioned over a compartment of a living organism. The method and sys tem can include a device for displaying oxygenation levels corresponding to respective compartment sensors that are measuring oxygenation levels of a co mpartment of interest. The method and system can also monitor the relationsh ip between blood pressure and oxygenation levels and activate alarms based o n predetermined conditions relating to the oxygenation levels or blood press ure or both.

Multipurpose medical image indicator and method for manufacturing same

MODULAR PHYSIOLOGICAL SENSORS

Modular physiological sensors that are physically and/or electrically configured to share a measurement site for the comfort of the patient and/or to ensure proper operation of the sensors without interference from the other sensors. The modular aspect is realized by providing outer housing shapes that generally conform to other physiological sensors; mounting areas for attachment of one sensor to another sensor; providing release liners on the overlapping sensor attachment areas; and/or providing notches, tabs or other mechanical features that provide for the proper placement and interaction of the sensors.

Smartphone-Controlled Active Configuration of Footwear, Including With Concavely Rounded Soles

A smartphone or other mobile computer device, general purpose or specialized, wherein the smartphone device is configured to actively control the configuration of one or more bladders, compartments, chambers or internal sipes and one or more sensors located in either one or both of a sole or a removable inner sole insert of the footwear of the user and/or located in an apparatus worn or carried by the user, glued unto the user, or implanted in the user. The one or more bladders, compartments, chambers, or sipes, and one or more sensors are configured for computer control. A sole and/or a removable inner sole insert for footwear, including one or more bladders, compartments, chambers, internal sipes and sensors in the sole and/or in a removable insert; or on an insole; all being configured for control by a smartphone or other mobile computer device, general purpose or specialized.

COMPUTATIONAL SIMULATIONS OF ANATOMICAL STRUCTURES AND BODY SURFACE ELECTRODE POSITIONING

A method may include identifying a simulated three-dimensional representation corresponding to an internal anatomy of a subject based on a match between a computed two-dimensional image corresponding to the simulated three-dimensional representation and a two-dimensional image depicting the internal anatomy of the subject. Simulations of the electrical activities measured by a recording device with standard lead placement and nonstandard lead placement may be computed based on the simulated three-dimensional representation. A clinical electrogram and/or a clinical vectorgram for the subject may be corrected based on a difference between the simulations of electrical activities to account for deviations arising from patient-specific lead placement as well as variations in subject anatomy and pathophysiology.

METHOD AND MEDICAL IMAGING APPARATUS FOR SUPPORTING A PREPARATION OF A PATIENT FOR A MEDICAL IMAGING INVESTIGATION

In a method and apparatus for supporting preparation of a patient for a medical imaging investigation, in particular a magnetic resonance investigation, patient data of a patient are acquired by operation of an acquisition unit. An item of position information of an object is calculated by a calculation computer, the calculation of the position information of the object taking place on the basis of the patient data and/or on the basis of an item of investigation information and/or on the basis of data from accessory units. The position information of the object is projected by means of a projection unit.

MEMS pressure sensor and method for positioning MEMS pressure sensor using two film sheets

An MEMS pressure sensing apparatus includes an MEMS pressure sensor, and first and second film sheets. The MEMS pressure sensor has a first space on a side of a pressure detection surface of a diaphragm, and has the diaphragm. The first film sheet is placed on and in contact with a part under measurement so as to support the MEMS pressure sensor, and has a second space communicating with the first space and having a size in a direction parallel to the pressure detection surface. The second film sheet has a third space with a size in a direction parallel to the pressure detection surface for positioning the MEMS pressure sensing apparatus on the part under measurement, and is placed such that an area of the part under measurement is located in the third space before the MEMS pressure sensing apparatus is placed on the part under measurement.

IDENTIFICATION OF SITES FOR SENSING ARRANGEMENTS

A processor-implemented method includes obtaining measurement data indicative of a physiological condition measured by a sensing arrangement located at a site on a body, determining a lag associated with the sensing arrangement based on a relationship between the measurement data and reference data, and identifying, based on the lag, the site at which the sensing arrangement is located from a plurality of sites on the body.

Medical equipment electrodes

Cardiac electrodes and techniques for testing application of the electrodes to a victim are described herein.

Mobile healthcare device and method of operating the same

A mobile healthcare device and method of operating the same are provided. The method includes setting a mode of the mobile healthcare device to a measurement mode, displaying a screen for guiding a user to maintain a predetermined position during the measurement mode, and, in response to a predetermined amount of time passing from a time at which the screen begins to be displayed, obtaining state information of the user based on bio information of the user, the bio information being received from a sensor.

MEASURING APPARATUS, MEASURING PROGRAM AND MEASURING METHOD

ЭЛЕКТРОННАЯ СИСТЕМА УПРАВЛЕНИЯ РЕГИСТРАЦИЕЙ ЭЛЕКТРОКАРДИОГРАММЫ

Группа изобретений относится к медицине, а именно к электронной системе и способам управления регистрацией электрокардиограммы (ЭКГ). Система содержит портативное и мобильное электронные устройства. Мобильное электронное устройство содержит оптическое устройство для получения изображений в реальном времени части тела человека, экран и соединенный с ними блок обработки. Портативное электронное устройство содержит первый, второй и третий электроды для генерирования электрических сигналов обнаружения, представляющие ток, генерируемый на коже человека посредством активности сердца в точках, соответствующих расположению электродов. Блок обработки мобильного устройства содержит модуль направления расположения электродов. При этом принимают в реальном времени изображения, представляющие часть тела человека. Идентифицируют признак части тела в указанных изображениях. Вычисляют в качестве функции идентифицируемого признака положения, в которых следует накладывать первый, второй и третий электроды ...

Wireless physiological sensor patches and system

Methods and systems for automated clinical workflows

A signal quality check of an electronic stethoscope is performed at a first recording location on a subject 610, recording physiological data for an exam via the electronic stethoscope in response to the signal quality check satisfying a quality threshold, and outputting a signal quality alert in response to the signal quality check not satisfying the quality threshold. The signal quality check may be responsive to obtaining a visual confirmation of the actual placement of the electronic stethoscope 612 compared to its desired correct placement 614 shown on a displayed image captured by a camera 630. Also disclosed is evaluation of the quality of a signal recorded by an electronic stethoscope performed at a recording location, the recorded signal being wirelessly transmitted if the signal quality is greater than a threshold and discontinued if the quality of the signal decreases below the threshold. In this way, clinically relevant data may be obtained with reduced user effort and fewer ...

Positioning of sensors for sensor enabled wound monitoring or therapy

Embodiments of apparatuses and methods for determining an emplacement of sensors in a wound dressing are disclosed. In some embodiments, a wound dressing includes a plurality of sensors configured to measure wound or patient characteristics. One or more processors are configured to receive wound or patient characteristics data as well as emplacement data. The received data can be used to determine an emplacement of the plurality of sensors, the wound dressing, or a wound. The sensors can include a set of nanosensors. The wound dressing can include pH sensitive ink which can be utilized for determining a placement of the wound dressing and determining a pH associated with the wound. The wound dressing can be used in a negative pressure wound therapy system.

Electronic system to control the acquisition of an electrocardiogram

It is disclosed an electronic system (1 ) to control the acquisition of an electrocardiogram. The system comprises a portable electronic device (2) and a mobile electronic device (3). The mobile electronic device comprises an optical device (3-1) for acquiring real-time images of a portion of a human body, comprises a screen (3-2) and comprises a processing unit (3-3) connected to the optical device and to the screen. The portable electronic device (2) comprises a first (2-1), a second (2-2) and a third (2-3) electrode configured to generate a first (S1_r), a second (S2_r) and a third (S3_r) detecting electrical signal respectively representing the current generated on the skin by the activity of the heart of a human being in the respective points wherein the first, second and third electrodes are positioned on said portion of the human body. The processing unit of the mobile electronic device comprises an electrodes placement guiding module (3-3.1) for the first, second and third electrode ...

Oral appliance monitoring

A system for monitoring use of an oral appliance, the oral appliance (700) including a body that is positioned within an oral cavity of the user in use, the system including an appliance monitoring device (760) which in use is attached to or embedded within the oral appliance, the appliance monitoring device (760) including, at least one sensor, the at least one sensor including a pressure sensor that generates a signal indicative of a pressure, a data store and a processing device that analyses signals from the at least one sensor to determine a usage state, in response to a determination that the appliance is in use, generates usage data at least partially indicative of the use and stores the usage data in the data store. The system also includes one or more processing systems that acquire the usage data from the monitoring device and store an indication of the usage data and/or cause a representation to be displayed at least partially in accordance with the usage data.

SYSTEM AND METHOD FOR A WEARABLE VITAL SIGNS MONITOR

Novel tools and techniques for wearable device vital signs monitoring are provided. An apparatus system includes a remote device, and a wearable device in communication with the remote device. The wearable device includes a polychromatic light source, a spectral sensor, a processor, and a non-transitory computer readable medium comprising instructions executable by the processor. The wearable device is configured to illuminate, via the polychromatic light source, a perfused tissue of the body of the patient, receive, via the spectral sensor, a resultant signal from the body of the patient, and determine a spectral property of the resultant signal. The wearable device may then determine a vital sign of the patient based, at least in part, on a lookup table and the spectral property of the resultant signal.

SYSTEM AND METHOD FOR PROVIDING USER FEEDBACK OF BLOOD PRESSURE SENSOR PLACEMENT AND CONTACT QUALITY

A novel and useful system and method for generating user feedback related to the quality of the placement and contact of a blood pressure sensor on a user's body. The sensor is incorporated in a wearable blood pressure measurement device that is capable of analyzing and providing feedback regarding the quality of placement and contact of the pressure sensor array. The wearable includes a pressure sensor array for monitoring blood pressure, means for attaching the pressure sensor to a user's body for measuring a region, a processor operative to record pressure signals from said sensor array and to calculate quality of pressure sensor contact to measurement area score, and a display operative to determine and display the quality of the placement and contact of the pressure sensor. A quality metric indicating the quality of the placement and contact of the pressure sensor is provided as feedback to the user. Directional arrows along with alphanumeric messages guide the user to achieve optimum ...

MULTI-SENSOR DEVICE FOR MONITORING HEALTH

Devices, systems, and methods for non-invasively detecting and monitoring medical conditions using multiple modalities of sensing include at least two electrodes configured to be positioned on a subject, an acoustic sensor configured to be positioned on a subject, a thoracic impedance measurement module connected to the electrodes, for measuring a first impedance between the electrodes, and a heart acoustic measurement module connected to the acoustic sensor, for detecting and measuring a heart sound from the acoustic sensor.

SYSTEM FOR ASSISTING REPOSITIONING AT LEAST A TRACKING AREA DERMATOLOGICAL, METHOD AND COMPUTER PROGRAM PRODUCT THEREFOR

ELECTRONIC SYSTEM TO CONTROL THE ACQUISITION OF AN ELECTROCARDIOGRAM.

Reverse battery protection device and operating method thereof

A wearable device includes: a touch screen; an acceleration sensor configured to generate an acceleration signal; an optical sensor using a light source and configured to generate a touch interrupt signal; and a control unit configured to detect a wearing state of the wearable device, the wearing state of the wearable device including a not-wearing state for the wearable device, a wrist wearing state, and a hand gripping state on the basis of the acceleration signal and the touch interrupt signal, and to execute a function corresponding to the wearing state of the wearable device.

Adherent cardiac monitor with advanced sensing capabilities

An adherent device comprises an adhesive patch with at least two electrodes and an accelerometer. The accelerometer can be used to determine an orientation of the at least two measurement electrodes on a patient. By determining the orientation of the electrodes of the patch on the patient, physiologic measurements with the at least two electrodes can be adjusted and/or corrected in response to the orientation of the patch on the patient. The adherent patch and/or electrodes can be replaced with a second adherent patch and/or electrodes, and the orientation of the second adherent patch and/or electrodes can be determined with the accelerometer or a second accelerometer. The determined orientation of the second patch and/or electrodes on the patient can be used to correct measurements made with the second adherent patch and/or electrodes.

METHOD AND SYSTEM FOR MONITORING OXYGENATION LEVELS OF A COMPARTMENT FOR DETECTING CONDITIONS OF A COMPARTMENT SYNDROME

A method and system for continually monitoring oxygenation levels in real-time in compartments of an animal limb, such as in a human leg or a human thigh or a forearm, can be used to assist in the diagnosis of a compartment syndrome. The method and system can include one or more near infrared compartment sensors in which each sensor can be provided with a compartment alignment mechanism and a central scan depth marker so that each sensor may be precisely positioned over a compartment of a living organism. The method and system can include a device for displaying oxygenation levels corresponding to respective compartment sensors that are measuring oxygenation levels of a compartment of interest. The method and system can also monitor the relationship between blood pressure and oxygenation levels and activate alarms based on predetermined conditions relating to the oxygenation levels or blood pressure or both.

AUTOMATED CONDITION SCREENING AND DETECTION

Embodiments are disclosed that enable an electronic device to instruct as user how to user one or more noninvasive sensors to measure one or more physiological parameters of a patient. In one embodiment, the measured parameters are used to obtain a diagnosis, such as a diagnosis of a critical congenital heart defect.

SIMULTANEOUS BI-LATERAL BLOOD PRESSURE SYSTEM WITH POSITION INDICATOR

A simultaneous bi-lateral blood pressure system with position indicator has a dual input blood pressure monitor that allows a left and right blood pressure cuff to be plugged and to obtain left and right readings simultaneously. A position indicator attaches to a comfortable adjustable collar that attaches to a patient's neck and is retractably positioned to indicate the position of the reading to be taken. The blood pressure monitor displays systolic and diastolic readings as well as pulse. If there is a significant difference between the left and right readings, then further tests are ordered. The position indicator is marked with measurement lines to allow the user to record the position where the reading is being taken. This establishes a repeatable baseline where further readings are taken from the same position.

ON-BODY SENSOR SYSTEM AND METHOD

An on-body sensor system (30) comprises means for determining a position of a skin interface unit (34) based on transmission and receipt of electrical signals to the unit from a known transmitter (32) location, transmitted via electrical channels of the body. By comparing sensed signal characteristics of the received signals with a plurality of sets of pre-determined signal characteristics, each set associated with one of a plurality of different reference positions and/or orientations of the receiver (34) on the body, it is possible to derive an indication of the position of the receiver unit on the body.

APPARATUS AND METHOD FOR ESTIMATING CONCENTRATION OF ANALYTE COMPONENT

An apparatus for estimating a concentration of a component includes a sensor including a plurality of light sources having different central wavelengths and at least one detector configured to detect light, and a processor configured to determine a first reflectance of skin using a first light source of the plurality of light sources, set an operating condition of the sensor based on the determined first reflectance, drive the plurality of light sources according to the operating condition, and estimate a concentration of an analyte component based on a plurality of light quantities detected from skin by the at least one detector.

ЭЛЕКТРОННЫЙ СФИГМОМАНОМЕТР

Изобретение относится к медицинской технике. Электронный сфигмоманометр содержит манжету, датчик давления, датчик угла для определения угла манжеты по отношению к предварительно определенному опорному направлению, блок определения положения для определения на основе выходного сигнала датчика угла, находится ли положение места измерения в надлежащем диапазоне, блок уведомления для уведомления, находится ли положение места измерения в надлежащем диапазоне, блок определения времени для определения, не меньше ли первое время, указывающее момент времени, в котором положение места измерения находится в надлежащем диапазоне, чем первое эталонное время, и блок управления измерениями для управления измерением кровяного давления на основе сигнала давления манжеты посредством определения того, что первое время не меньше, чем первое эталонное время, в качестве первой возможности. Блок определения времени выполнен с возможностью определения, не меньше ли второе время, указывающее момент времени, в который ...

СПОСОБЫ, СИСТЕМЫ И УСТРОЙСТВА ДЛЯ ОПТИМАЛЬНОГО РАСПОЛОЖЕНИЯ ДАТЧИКОВ

Группа изобретений относится к медицине и может быть использована для определения оптимального размещения датчика для измерения физиологического параметра пользователя. Корпус биомедицинского датчика имеет поверхность, обращенную к коже, и противоположную поверхность. Биомедицинский датчик содержит проводящие элементы, чувствительный элемент, индикатор, процессор, устройство хранения и датчик движения. Проводящие элементы расположены по поверхности, обращенной к коже, и подключены к чувствительному элементу. Индикатор расположен на расстоянии от поверхности, обращенной к коже. Процессор подключен к чувствительному элементу, индикатору и устройству хранения так, что определяет качество размещения датчика путем сравнения измеренного сигнала с сохраненной физиологической моделью и управляет индикатором для обеспечения воспринимаемой человеком индикации определенного качества. Процессор выполнен с возможностью записи данных движения от датчика движения, сравнения записанных данных с сохраненной ...

Носимое устройство для образования области позиционирования туловища или конечностей пользователя при мониторинге физиологических сигналов

Изобретение относится к медицине. Носимое устройство выполнено с возможностью ношения на туловище или конечностях пользователя, для образования области позиционирования туловища или конечностей пользователя при мониторинге физиологических сигналов для использования медицинских средств и обеспечения лечения в конкретной области тела пользователя. Устройство содержит носимый корпус и по меньшей мере один блок позиционирования. Носимый корпус имеет по меньшей мере две крепежные детали, закрепленные по меньшей мере на двух соседних подвижных суставах пользователя таким образом, что носимый корпус подогнан к туловищу или конечностям. Носимый корпус образует указанную область позиционирования между указанными по меньшей мере двумя крепежными деталями, и часть туловища или конечностей, расположенная между указанными по меньшей мере двумя соседними подвижными суставами, находится в пределах области позиционирования. По меньшей мере один блок позиционирования, расположенный в области позиционирования ...

СИСТЕМА КОНТРОЛЯ ЭКГ С БЕСПРОВОДНОЙ СВЯЗЬЮ

... 1. Беспроводная система кардиального контроля, содержащая: ! работающий от аккумуляторной батареи ЭКГ-монитор, выполненный с возможностью приема кардиосигналов от электрода, прикрепленного к пациенту, причем ЭКГ-монитор включает в себя приемопередатчик для беспроводной передачи данных сигнала ЭКГ, и ЭКГ-монитор дополнительно включает в себя соединенный с приемопередатчиком блок уведомления о статусе для передачи уведомления о статусе при изменении статуса ЭКГ-монитора; и ! трубку сотового телефона, включающую в себя электронику сотового телефона, выполненную с возможностью связи по сети сотовой связи, и приемопередатчик для беспроводного приема данных сигнала ЭКГ или уведомлений о статусе от ЭКГ-монитора и контроллер, выполненный с возможностью обеспечивать передачу электроникой сотового телефона данных сигнала ЭКГ, принятых от ЭКГ-монитора, в центр контроля по сети сотовой связи, ! при этом контроллер дополнительно выполнен с возможностью отвечать на уведомление о статусе от ЭКГ-монитора ...

СИСТЕМА ДЛЯ ОБЕСПЕЧЕНИЯ КАРТЫ ЭЛЕКТРИЧЕСКОЙ АКТИВНОСТИ С ИСПОЛЬЗОВАНИЕМ ОПТИЧЕСКОГО СЧИТЫВАНИЯ КОНТУРА

... 1. Жилет для ношения живым существом, выполненный с возможностью использования для обеспечения карты электрической активности, жилет (108) содержит:- множество накожных электродов (109) для расположения на наружной поверхности тела живого существа (30) при ношении жилета (108) живым существом (30), и для получения электрических сигналов от сердца живого существа (30),- волокно (107) оптического считывания контура для формирования сигнала оптического считывания контура, указывающего трехмерный контур волокна (107) оптического считывания контура и для обеспечения сигнала оптического считывания контура на блок вычисления позиций накожных электродов.2. Система для обеспечения карты электрической активности сердца живого существа с помощью электрических сигналов от сердца, получаемых посредством множества накожных электродов, расположенных на наружной поверхности тела живого существа, в которой жилет по п. 1 носится живым существом (30) и содержит множество накожных электродов, система содержит ...

Electrode array and method of placement

A headset for detecting brain electrical activity may include a flexible substrate having first and second ends each configured to engage an ear of a subject and dimensioned to fit across the forehead of a subject. The headset may also include a plurality of electrodes disposed on the substrate and configured to contact the subject when the headset is positioned on the subject. First and second electrodes may contact top center and lower center regions of the forehead, respectively, third and fourth electrodes may contact front right and front left regions of the forehead, respectively, fifth and sixth electrodes may contact right side and left side regions of the forehead, respectively, and electrodes included within the securing devices may contact the ear regions. The third and fourth electrodes may be moveable in at least a vertical direction relative to the other electrodes. - C) "Ct C"') o 'Cr C-') C) 'Cr / - "~""Z~Z~&zt"'" 'Cr) 4 C - - N C- t" ~"-'-" C ~ 1' C) C) C c' N. () 2$ ~~ ...

Multipurpose medical image indicator and method for manufacturing same

The present invention relates to a medical image indicator and, more specifically, to a multipurpose medical image indicator comprising one or more among a fluorescent dye, a MRI contrast media, or CT contrast media, and a method for manufacturing the same. Provided are a method for manufacturing a multipurpose medical image indicator and the multipurpose medical image indicator manufactured by the manufacturing method, the method comprising the steps of: providing a rubber mixed solution so as to meet the requirement of a method for noninvasively and effectively indicating a lesion site; mixing a fluorescent dye with the rubber; and molding and drying the mixture. In addition, a ligator for an endoscope which includes the multipurpose medical image indicator is provided.

Insertion system

An insertion system for inserting a sensor into fatty tissue, comprising an insertion device and an insertion needle containing a sensor, wherein the insertion device comprises a holder for the insertion needle, and a piercing mechanism so as to move the holder, with the needle held by the same, in a feed direction for a puncture. The piercing mechanism changes the feed direction during the puncture so that, at the end of the puncture, an insertion needle held by the holder is oriented obliquely or perpendicular to the initial feed direction. Also provided are methods for controlling a needle moved by an insertion device.

Garment to facilitate electrode placement for intraoperative monitoring

A garment is provided with an electrode and indicia to facilitate placement of the garment. The indicia is used to orient the garment such that the electrode is placed in precise orientation with respect to a stimulation site to facilitate intraoperative monitoring during surgical procedures.

Spatial needle guidance system and associated methods

Methods and apparatus for positioning a elongate hollow member at a desired location in a body in a medical procedure are provided. A position marker is removably disposed within a sheath. The sheath may be disposable. The sheath and enclosed position marker may be inserted into a lumen of a member to be positioned. The position in space of the position marker may be monitored by a position sensor to provide real-time information regarding a position of the member. The spatial relationship between the position marker and member may be fixed by securing the mounting member to the sheath and securing the sheath to the member.

Biosensor unit and biosensor system

The biosensor unit has a substrate composed of a subcutaneously retained part that is retained under the skin and a base part that is placed on the skin surface. The biosensor unit comprises a sensor part detecting numerical information regarding a substance to be measured as electric signals, a signal amplifying part amplifying the electric signals, a CPU including a calculation part A/D converting the amplified electric signals and processing them to create transmittable data, a storage storing electric signals and data, a transmission part transmitting data to an external device through optical communication, and a battery part for drive. The sensor part is provided on the subcutaneously retained part and the transmission part is provided on the base part.

Seizure detection using coordinate data

A seizure detection device includes a coordinate data interface configured to receive coordinate data for a human, a memory to store coordinate data for a defined location of the human, and a seizure detector configured to identify a seizure event responsive to the coordinate data.

Re-calibration of pre-recorded images during interventions using a needle device

Re-calibration of pre-recorded images during interventions is proposed, utilizing an interventional system comprising an imaging device providing images of an object, a needle device, and a processing device. The needle device comprises a sensor for providing data corresponding to tissue properties. The processing device is adapted to perform an overlay registration of pre-recorded images and live images provided by the imaging device, utilizing the data from the sensor. Thus, the accuracy of an overlay of images is increased.

Lancet integrated test element tape dispenser

A lancet integrated test element tape includes a plurality of lancet integrated test elements. The lancet integrated test elements each include a lancet configured to form an incision in tissue and a test element configured to analyze body fluid from the incision in the tissue. A cartridge includes a supply compartment configured to store an unused section of the tape. The tape is folded within the supply compartment to limit damage to the lancet integrated test elements. The cartridge can further include a waste compartment in which a used section of the tape is stored. An indexing mechanism moves the tape between the supply and waste compartments.

System and/or method for glucose sensor calibration

The subject matter disclosed herein relates to systems, methods and/or devices for calibrating sensor data to be used in estimating a blood glucose concentration. A relationship between sensor signal values and reference readings may be used to estimate a relationship between sensor signal values and measurements of blood glucose concentration.

Optical probe with feedback correction

The present invention relates to an optical probe ( 1 ) suitable for miniature applications. An example application is a fibre-based confocal miniaturized microscope. The optical probe comprises a coil-based actuation system ( 9, 10 ) comprising drive coils ( 9 ) capable of displacing the distal end ( 3 ) of an optical guide ( 2 ) housed ( 4 ) by the optical probe. The probe makes use of a feedback loop which alternate between driving the displacement of the optical guide by driving a current through the drive coils and switching off the current through the drive coils, and while the drive current being switched off, measure the speed of the distal end of the optical guide. The measured speed is compared to the set-point speed, and if a difference is detected, the drive current is adjusted to eliminate, or at least bring down, this difference.

Devices for diagnosing sleep apnea or other conditions and related systems and methods

A system includes a sensor device having a body configured to be inserted into an airway of a patient and one or more sensors mounted in or on the body. The one or more sensors are configured to collect sensor data associated with the airway of the patient. The system also includes a signal analyzer configured to analyze the sensor data. The one or more sensors could include one or more microphones. The signal analyzer could identify volume and/or pitch characteristics of the sensor data, perform pattern recognition to identify one or more patterns using the volume and/or pitch characteristics, and use the one or more patterns to identify a type, a location, and/or a degree of airway obstruction. This could be done, for instance, to determine if the patient suffers from obstructive sleep apnea or other condition that affects his or her airway.

Determination and application of glucose sensor reliability indicator and/or metric

Disclosed are a system and method for determining a metric and/or indicator of a reliability of a blood glucose sensor in providing glucose measurements. In one aspect, the metric and/or indicator may be computed based, at least in part, on an observed trend associated with signals generated by the blood glucose sensor.

Telemetric orthopaedic implant

The invention relates generally to orthopaedic implants, and more particularly to orthopaedic implants having data acquisition capabilities and their use in monitoring and diagnosing fracture healing. RSA is also disclosed as a method for measuring inter-fragmentary movement in long bone fractures in order to confirm whether the fracture is reduced and for detecting changes in stiffness of the healing callus.

Glycemic health metric determination and application

Disclosed are methods, apparatuses, etc. for determination and application of a unidimensional metric for assessing a patient's glycemic health. In one particular implementation, a computed metric may be used to balance short-term and long-term risks associated with a particular therapy. In another implementation, a computed unidimensional metric may be used to balance risks of hyperglycemia and hypoglycemia.

Retrofittable aspiration prevention mechanism for patients

A device is employed that can be retrofit onto existing feed pumps to remediate the problem of fluid aspiration in patients being fed through a feeding tube from the pump. In one embodiment the feeding pump is plugged into the device which is plugged into a power outlet. A patient angle sensor triggers power cutoff to the pump and stoppage of fluid flow. The angle sensor and operating program may be part of a smart phone. Power to the pump may be shut off due to a Bluetooth signal from the smart phone to a Bluetooth controlled power strip into which the pump is plugged to receive power.

Hermetically sealed prosthetic component and method therefor

A prosthetic component suitable for long-term implantation is provided. The prosthetic component measures a parameter of the muscular-skeletal system is disclosed. The prosthetic component comprises a first structure having at least one support surface, a second structure having at least one feature configured to couple to bone, and at least one sensor. The electronic circuitry and sensors are hermetically sealed within the prosthetic component. The sensor couples to the support surface of the first structure. The first and second structure are coupled together housing the at least one sensor. In one embodiment, the first and second structure are welded together forming the hermetic seal that isolates the at least one sensor from an external environment. The at least one sensor can be a pressure sensor for measuring load and position of load.

Methods and Devices for Accurately Classifying Cardiac Activity

Methods, systems, and devices for signal analysis in an implanted cardiac monitoring and treatment device such as an implantable cardioverter defibrillator. In illustrative examples, captured data including detected events is analyzed to identify likely overdetection of cardiac events. In some illustrative examples, when overdetection is identified, data may be modified to correct for overdetection, to reduce the impact of overdetection, or to ignore overdetected data. New methods for organizing the use of morphology and rate analysis in an overall architecture for rhythm classification and cardiac signal analysis are also discussed.

Feedback Systems and Methods for Communicating Diagnostic and/or Treatment Signals to Enhance Obesity Treatments

Feedback systems and methods communicate implanted sensor-based feedback signals to promote behavior modifications that ameliorate obesity and other eating disorders. The system and methods described may also be applicable to any treatment in which presenting feedback regarding patients' eating and exercise habits is desired. The present invention provides a method and system for treating a patient by collecting ingestion and exercise information about the patient from an implanted sensor and communicating the collected information to the patient, his or her physician and/or other health care providers. In some embodiments, stimulation of the patient's stomach is also provided to reduce caloric intake. In some embodiments, the collected data is transmitted to a central server. Further embodiments may provide access to additional information in conjunction with the collected patient information, such as a calorie database, an exercise planner, and so forth, with the data optionally being used within a social networking system.

Programmable cardiopulmonary resuscitation (cpr) detection device

Time after time studies find that often, even when administered by trained professionals, cardiopulmonary resuscitation (CPR) compression rates and depth are inadequate. Too week, shallow or too forceful compressions may contribute to suboptimal patient outcome. Several parameters are crucial for optimal and properly-administered CPR. Crucial parameters include proper hand positioning on the patient's chest, depth of compression of 4-5 cm, and compression rate of 100 compressions per minute. The crucial parameters are often affected by patient parameters, and relative to the patient, rescuer parameters, such as patient thoracic volume; weight; age; gender; and rescuer's, relative to the patient's, parameters, such as weight, height; physical form, etc. Proposed is an automated CPR feedback device with user programmable settings for assisting with real-time feedback and subsequently correcting rescuers patient customized CPR technique.

Device and method to measure bone healing

Advances in our understanding of the cellular mechanisms underlying skeletal regeneration have not been effectively translated in vivo treatment because non-invasive monitoring of bone fracture healing is limited to imaging technology (i.e., for example, x-rays) that cannot be quantified and are subjectively interpreted. The method disclosed herein assesses rates of hip fracture healing using a strain gauge device implanted into a standard orthopedic implant. It has been demonstrated that such a device can measure differences between intact and partially osteotomized fracture models (p<0.05) and that the device can distinguish between stable and unstable fracture patterns in completely osteotomized models across a physiologic range of loads. Such devices are compatible with in vivo bone fracture healing methods, wherein the device is placed onto an orthopedic implant and the strain data is transmitted on a real time basis, thereby providing a non-invasive quantification of bone fracture repair rates.

Advanced analyte sensor calibration and error detection

Systems and methods for processing sensor data and self-calibration are provided. In some embodiments, systems and methods are provided which are capable of calibrating a continuous analyte sensor based on an initial sensitivity, and then continuously performing self-calibration without using, or with reduced use of, reference measurements. In certain embodiments, a sensitivity of the analyte sensor is determined by applying an estimative algorithm that is a function of certain parameters. Also described herein are systems and methods for determining a property of an analyte sensor using a stimulus signal. The sensor property can be used to compensate sensor data for sensitivity drift, or determine another property associated with the sensor, such as temperature, sensor membrane damage, moisture ingress in sensor electronics, and scaling factors.

Sensing Module Having A Piezo-Resistive Sensor For Orthopedic Load Sensing Insert Device

A sensing insert device ( 100 ) is disclosed for measuring a parameter of the muscular-skeletal system. The sensing insert device ( 100 ) can be temporary or permanent. Used intra-operatively, the sensing insert device ( 100 ) comprises an insert dock ( 202 ) and a sensing module ( 200 ). The sensing module ( 200 ) is a self-contained encapsulated measurement device having at least one contacting surface that couples to the muscular-skeletal system. The sensing module ( 200 ) comprises one or more sensing assemblages, electronic circuitry ( 307 ), an antenna ( 2302 ), and communication circuitry ( 320 ). The sensing assemblages are between a top plate ( 1502 ) and a bottom plate ( 1504 ) in a sensing platform ( 121 ). The sensing assemblages comprise a load disc ( 2004 ) and a piezo-resistive sensor ( 2002 ) to measure the parameter. An elastic support structure or springs ( 1108 ) is coupled between the top plate ( 1502 ) and the bottom plate ( 1504 ) to prevent cantilevering of a surface.

Transducer mountings and wearable monitors

A transducer mounting comprising a compliant elongate support member having a skin engaging surface, adhering means to adhere the skin engaging surface to a wearer's head, and a plurality of transducers longitudinally spaced on the skin engaging surface. A wearable monitor comprising adhering means for adhering the wearable monitor to skin, a skin-facing surface with a transducer thereon for either or both stimulating a physiological response and measuring a physiological parameter, and display means or audio output means integral to the wearable monitor for displaying a signal related to a measured physiological parameter on the wearable monitor or transmitting a sound related to a measured physiological parameter from the wearable monitor, respectively.

Array of Joined Microtransponders for Implantation

A wireless microtransponder array constructed as a single structure of joined microtransponders. The microtransponders can be configured as a linear array strip with connective material in between. The microtransponders can also be entirely embedded within a strip of material, or joined by a single, common substrate structure.

Optical sensor and method for detecting a patient condition

An implantable medical device for monitoring tissue perfusion that includes a light source emitting a light signal and a light detector receiving emitted light scattered by a volume of body tissue. The light detector emits a signal having an alternating current component corresponding to the pulsatility of blood flow in the body tissue volume. A processor receives the current signal and determines a patient condition in response to the alternating component of the current signal.

Systems and methods for determining location of an access needle in a subject

Systems and methods for epicardial electrophysiology and other procedures are provided in which the location of an access needle may be inferred according to the detection of different pressure frequencies in separate organs, or different locations, in the body of a subject. Methods may include inserting a needle including a first sensor into a body of a subject, and receiving pressure frequency information from the first sensor. A second sensor may be used to provide cardiac waveform information of the subject. A current location of the needle may be distinguished from another location based on an algorithm including the pressure frequency information and the cardiac waveform information.

Systems and methods for replacing signal artifacts in a glucose sensor data stream

Systems and methods for minimizing or eliminating transient non-glucose related signal noise due to non-glucose rate limiting phenomenon such as interfering species, ischemia, pH changes, temperatures changes, known or unknown sources of mechanical, electrical and/or biochemical noise, and the like. The system monitors a data stream from a glucose sensor and detects signal artifacts that have higher amplitude than electronic or diffusion-related system noise. The system processes some or the entire data stream continually or intermittently based at least in part on whether the signal artifact event has occurred.

Medical Device for Diagnosis Pressure Ulcers

Medical device or instrument for diagnosing pressure ulcers using optical reflectance spectroscopy. The device may comprise a tip and a controller. The tip is pressed against the skin of the patient and collects the optical reflectance data. The controller processes the data to determine whether there exists a pressure ulcer and, if there is one, its depth. The tip may also include a pressure sensor for sensing the pressure at which the tip is applied to the patient's skin.

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.

System for enabling reliable skin contract of an electrical wearable device

A system for enabling reliable skin contact of an electrical wearable device associated with physiological information detected by the wearable device. The system includes a wearable tightness detector powered by a power supply for the wearable device, and a controller for monitoring electrical signals emanating from the power supply and the wearable tightness detector. Also, at least two thermocouples electrically coupled to the wearable tightness detector, along with at least two skin contact modules electrically coupled to the wearable tightness detector. The at least two thermocouples provide the physiological information detected by the wearable device in relation to a subject. An adjustable wearable band is included in the system. The tightness of the wearable band is detected by the wearable tightness detector and an output signal from the at least two thermocouples to ensure reliable physiological information from the subject during the subject's wearing of the wearable device.

Expandable catheter system for fluid injection into and deep to the wall of a blood vessel

A catheter-based/intravascular fluid injection system with application to renal denervation includes a multiplicity of needles which expand open around a central axis to engage the wall of a blood vessel, or the wall of the left atrium, allowing the injection of a cytotoxic and/or neurotoxic solution for ablating conducting tissue, or nerve fibers around the ostium of the pulmonary vein, or circumferentially in or just beyond the outer layer of the renal artery. The expandable delivery system includes expandable components that facilitate positioning of a multiplicity of injection needles against the inside wall of a blood vessel from where they can be advanced. The system also includes means to limit and/or adjust the depth of penetration of the ablative fluid into the tissue of the wall of the targeted blood vessel.

Optical sensing systems and methods

An optical glucose sensor may include an optical fiber and a glucose-permeable membrane having a hollow interior and being coupled to the optical fiber's distal end. The membrane's hollow interior provides a compartment to house a competitive glucose binding affinity assay. The assay may include a glucose analog that may be labeled with a dye, and a glucose receptor that may be labeled with a fluorophore. The optical fiber may include a compound parabolic concentrator tip, and the compartment may additionally house a reflector disposed so as to face the optical fiber's tip. A fluorophore-labeled assay may be interrogated by an optical interrogating system including a light source and a filter substrate having one or more coatings to effect, e.g., an excitation filter and/or an emission filter. The interrogating system may be manufactured as a stacked planar integrated optical system and diced into smaller units.

Vacuum delivery extractor

A delivery extractor for use with a suction source and at least one monitor in vacuum assisted deliveries. The extractor comprises a cup-shaped element and a tubular stem joined to the cup-shaped element and in pneumatic communication with the suction source. The extractor also includes at least one noninvasive sensor positioned on a sensor support so as to continuously contact the scalp of a fetus when the head of the fetus is positioned in the cup-shaped element. The sensor support is depressible within the cup-shaped element. The at least one sensor is in communication with the monitor(s) which monitors at least one physiological indicator of the well-being of the fetus during its transit through the birth canal. In other cases, the aforementioned noninvasive sensor(s) detects direct waves while other noninvasive sensors positioned on the rim of the cup-shaped element detect surface waves related to the same phenomenon.

Ultrasound treatment of sub-dermal tissue for cosmetic effects

A method and system for noninvasive face lifts and tissue tightening are disclosed. The method and treatment system are configured for thermal treatment of Superficial Muscular Aponeurosis System (SMAS) tissue, muscular fascia, or both. In one embodiment, a cosmetic system is configured for treating the SMAS and/or muscular fasica through delivery of ultrasound energy at a depth, distribution, timing, and energy level to achieve the desired therapeutic effect.

IMPLANTABLE SENSOR METHOD AND SYSTEM

Systems and methods for non-vascular sensor implantation and for measuring physiological parameters in areas of a body where the physiological parameters are heterogeneous. An implant unit is implanted in an area of a body and a foreign body capsule is allowed to form around the implant unit area. A sensor may be directed into a body cavity such as, for example, the peritoneal space, subcutaneous tissues, the foreign body capsule, or other area. A subcutaneous area of the body may be tunneled for sensor placement. Spatially separated sensing elements may be used for detecting individual amounts of the physiological parameter. An overall amount of the physiological parameter may be determined by calculating a statistical measurement of the individual sensed amounts in the area. Another embodiment of the invention, a multi-analyte measuring device, may include a substrate having an electrode array on one side and an integrated circuit on another side. 1. A method for non-vascular implant of a sensor comprisingimplanting an implant unit in an area of a body;allowing a foreign body capsule to form around the area of the implant unit; anddirecting the sensor into the foreign body capsule.2. The method of claim 1 , wherein implanting an implant unit comprises incising an area of the body large enough for the implant unit.3. The method of claim 1 , further comprising placing a material around the implant unit for promoting growth characteristics.4. The method of claim 1 , wherein the implant unit comprises electronics.5. The method of claim 1 , wherein the implant unit comprises a pump.6. The method of claim 1 , wherein allowing a foreign body capsule to form comprises inserting materials around the implant unit to promote growth characteristics.7. The method of claim 1 , further comprising attaching the sensor to the implant unit.8. The method of claim 7 , wherein the sensor is attached to the implant unit prior to formation of the foreign body capsule.9. The method of ...

Integrity Testing Method and Apparatus for Delivering Vapor to the Uterus

A method and system of providing therapy to a patient's uterus is provided, which can include any number of features. The method can include the steps of inserting a uterine device into the uterus and performing a uterine integrity test to determine that the uterus is intact and not perforated. If it is determined that the uterus is not perforated, a patency test can be performed to determine that the uterine device is not clogged or embedded in tissue. If the uterus is intact and the device is not clogged or embedded in tissue, the uterus can be treated with the uterine device, e.g., uterine ablation. Systems for performing these methods are also disclosed. 1. A method of performing a procedure on a uterus of a patient , comprising: inserting a uterine device into the uterus of the patient;', 'delivering gas or fluid from an inflow lumen of the uterine device into the uterus;', 'measuring a flow rate of the gas or fluid as it is delivered into the uterus;', 'determining that the uterus is sealed if the flow rate decreases below a flow rate threshold value; and, 'performing a uterine integrity test comprising delivering gas or fluid from the inflow lumen of the uterine device into the uterus;', 'removing gas or fluid from the uterus with an outflow lumen of the uterine device;', 'determining that the uterine device is not clogged or embedded in tissue if a flow rate of gas or fluid is observed in the outflow lumen of the uterine device., 'after performing the uterine integrity test and determining that the uterus is sealed, performing a patency test for the uterine device comprising2. The method of wherein the uterine device is a uterine ablation device.3. The method of wherein fluid flow is observed in a flow meter of the outflow lumen.4. The method of wherein the determining that the uterus is sealed step further comprises determining that the uterus is sealed if the flow rate decreases below a flow rate threshold value within a predetermined time period.5. The ...

INTERVENTIONAL PHOTOACOUSTIC IMAGING SYSTEM

An interventional photoacoustic imaging system and method for cancer treatment comprises an optical source for applying laser energy to optically excite a treatment area, a needle, ablation tool or catheter for inserting the optical source into a body of a patient adjacent the treatment area, and an ultrasonic transducer for detecting the acoustic waves. A processor receives the raw data from the ultrasound system and processes it to thereby form a photoacoustic image of the tissue in real time. As such, image formation may be performed preoperatively, intraoperatively, and postoperatively. 1. An interventional photoacoustic imaging system for cancer treatment , comprising:an energy source including an optical source for applying laser energy to optically excite a treatment area;means for inserting the optical source into a body of a patient adjacent the treatment area;an ultrasonic transducer for detecting the acoustic waves; anda processor for analyzing the acoustic waves to thereby form a photoacoustic image of the tissue in real time.2. The interventional photoacoustic imaging system of claim 1 , wherein said inserting means is a needle and said optical source is an optical fiber coupled within a shaft of the needle claim 1 , said optical source operatively connected to a pulsed laser source.3. The interventional photoacoustic imaging system of claim 1 , wherein said inserting means is a brachytherapy needle claim 1 , a biopsy needle or an ablation tool.4. The interventional photoacoustic imaging system of claim 1 , wherein said inserting means is a needle and said optical source is an optical fiber disposed on an outer surface of a shaft of the needle claim 1 , said optical source operatively connected to a pulsed laser source.5. The interventional photoacoustic imaging system of claim 4 , wherein said inserting means is a brachytherapy needle claim 4 , a biopsy needle or an ablation tool.6. The interventional photoacoustic imaging system of claim 5 , wherein ...

System and method for real-time endoscope calibration

A sensor tracking device, system and method include a sensor ( 118 ) configured on a wire ( 110 ) and adapted to fit in a working channel ( 116 ) of an endoscope ( 100 ). An image identifiable feature ( 120 ) is formed on a distal end portion of the sensor which is identifiable when the sensor is extended from the endoscope. An image of the image identifiable feature is collected by the endoscope and permits a determination of a pose of the endoscope.

IMPLANTABLE SENSOR DEVICE AND SYSTEM

The implantable medical device for measuring pressure is disclosed. The implantable medical device is connectable to a medical lead and comprises an outer sheath and a helically shaped needle arranged at the outer sheath. A pressure sensing body having a distal part is movably arranged in the outer sheath. The pressure sensing body is arranged such that the distal part is located within the outer sheath in an initial state of the pressure sensing body, wherein the pressure sensing body is arranged to be advanced from the initial state to protrude from the outer sheath and such that it is at least partially surrounded by the helically shaped needle; and a pressure sensor arranged at or adjacent to the distal part of the pressure sensing body for sensing pressure. 115-. (canceled)16. An implantable medical device for measuring pressure connectable to a medical lead , comprising:an outer sheath;a helically shaped needle arranged at said outer sheath;a pressure sensing body having a distal part and being movably arranged in said outer sheath, said pressure sensing body being arranged such that said distal part is located within said outer sheath in an initial state of said pressure sensing body, wherein said pressure sensing body is arranged to be advanced from said initial state to protrude from said outer sheath such that it is at least partially surrounded by said helically shaped needle; anda pressure sensor arranged at or adjacent to said distal part of said pressure sensing body for sensing pressure.17. The implantable medical device according to claim 16 , wherein said helically shaped needle is fixed at said outer sheath or at a distal element fitted in a distal opening of said outer sheath.18. The implantable medical device according to claim 17 , wherein said distal element comprises a through hole arranged such that said pressure sensing body can be advanced through said through hole.19. The implantable medical device for measuring pressure connectable to a ...

MEDICAL SENSOR AND TECHNIQUE FOR USING THE SAME

In an embodiment, a sensor may be adapted to provide information related to its position on a patient's tissue. The sensor may include tissue contact sensors which may relay a signal related to the proper placement of the sensor relative to the tissue of a patient. Such a sensor may be useful for providing information to a clinician regarding the location of the sensor in relation to the skin of a patient in order to provide improved measurements. 1. A system comprising:a sensor body;an emitter and a detector disposed adjacent the sensor body; anda tissue contact sensor disposed adjacent the sensor body, wherein the tissue contact sensor comprises a temperature sensor configured to measure a temperature; anda processor coupled to the tissue contact sensor configured to determine whether the sensor is on a tissue of a patient based, at least in part, on the measured temperature.2. The system of claim 1 , wherein the temperature sensor comprises a thermistor.3. The system of claim 1 , wherein the processor is configured to compare the measured temperature to a threshold value to determine whether the sensor is on the tissue of the patient.4. The system of claim 3 , wherein the threshold value comprises a clinically determined average skin surface temperature.5. The system of claim 1 , wherein the tissue contact sensor comprises a second temperature sensor configured to measure an ambient temperature.6. The system of claim 5 , wherein the processor is configured to determine whether the sensor is on the tissue of the patient based claim 5 , at least in part claim 5 , on a difference between the measured temperature and the measured ambient temperature.7. A pulse oximetry system comprising:a pulse oximetry monitor comprising a processor; and a sensor body;', 'an emitter and a detector disposed adjacent the sensor body; and', 'a tissue contact sensor disposed adjacent the sensor body, wherein the tissue contact sensor comprises a temperature sensor configured to provide ...

Method and/or system for multicompartment analyte monitoring

Subject matter disclosed herein relates to monitoring and/or controlling levels of an analyte in bodily fluid. In particular, estimation of a concentration of the analyte in a first physiological compartment based upon observations of a concentration of the analyte in a second physiological compartment may account for a latency in transporting the analyte between the first and second physiological compartments.

Polar plot to represent glucose sensor performance

Disclosed are methods, apparatuses, etc. for providing a visual expression of the performance of one or more blood glucose sensors. In one particular example, a relative comparison of a rate of change sensor blood glucose and a rate of change in reference blood glucose may be expressed in a polar plot or graph. The polar plot or graph may then be generated onto a visual medium.

Method and Apparatus for Treating Pelvic Pain

A method and apparatus for treating self-treating internal muscles and trigger points related to pelvic pain in women and men. The apparatus includes a rod having a handle attached to a straight portion at a first end of the rod and a pressure applicator attached to a second end of the rod, where a first curved portion is disposed between the straight portion of the rod and the second end of the rod. In the method of the present invention, a trigger point is located in the patient's pelvic floor, the patient inserts the apparatus either vaginally or rectally to allow contact of the pressure applicator of the apparatus with the pelvic floor, and pressure is applied to the trigger point using the apparatus. 1. An apparatus for treating pelvic pain and related urinary and sexual dysfunction comprising:a rod;a pressure applicator located on the rod; anda pressure sensor connected to the rod to indirectly detect pressure applied by the pressure applicator and generate an output signal corresponding to pressure applied by the pressure applicator.2. The apparatus of claim 1 , wherein the pressure applicator is adapted to be inserted into a patient's body cavity for engagement with a myofascial trigger point to apply pressure to the myofascial trigger point and the pressure sensor is positioned with respect to the rod such that it is disposed outside of the patient's body cavity when the pressure applicator is engaged with the myofascial trigger point.3. The apparatus of claim 1 , wherein the output signal of the pressure sensor varies in response to deflection of the rod.4. The apparatus of claim 1 , wherein the pressure sensor is a flexible bend sensor.5. The apparatus of claim 4 , wherein the output signal of the pressure sensor varies in correspondence to a degree of bending of the pressure sensor in response to deflection of the rod.6. The apparatus of claim 1 , wherein the pressure applicator and the pressure sensor are spaced apart from one another along the rod.7. ...

Sem scanner sensing apparatus, system and methodology for early detection of ulcers

A handheld, conforming capacitive sensing apparatus configured to measure Sub-Epidermal Moisture (SEM) as a mean to detect and monitor the formation of pressure ulcers. The device incorporates an array of electrodes which are excited to measure and scan SEM in a programmable and multiplexed manner by a battery-less RF-powered chip. The scanning operation is initiated by an interrogator which excites a coil embedded in the apparatus and provides the needed energy burst to support the scanning/reading operation. Each electrode measures the equivalent sub-epidermal capacitance corresponding and representing the moisture content.

Chronically implanted abdominal pressure sensor for continuous ambulatory assessment of renal functions

An implantable system for ambulatory monitoring of a high-risk heart failure patient includes a first pressure sensor implantable within an abdomen of the patient for sensing and generating an output representative of a baseline intra-abdominal pressure value of the patient and for chronically sensing and generating an output representative of an intra-abdominal pressure value of the patient at periodic intervals. At least one second implantable sensor is provided for sensing and generating an output representative of a second physiological parameter of the patient. Additionally, the system includes a processor for correlating the output of the first pressure sensor and the second physiologic sensor, and for comparing differences between the baseline intra-abdominal pressure value and subsequent intra-abdominal pressure values. The processor can reside in another implantable device or in an external device/system.

Apparatus and method for improved assisted ventilation

Devices and methods for allowing for improved assisted ventilation of a patient. The methods and devices provide a number of benefits over conventional approaches for assisted ventilation. For example, the methods and devices described herein permit blind insertion of a device that can allow ventilation regardless of whether the device is positioned within a trachea or an esophagus.

BIO-DIAGNOSTIC TESTING SYSTEM AND METHODS

An implantable diagnostic device in accordance with the present disclosure includes a probe assembly that can be implemented in a variety of ways. A few example implementations include: a needle inside which is located a bio-sensor chip (the needle being insertable into a human being); a compact package containing the bio-sensor chip (the compact package configured for placement inside a catheter); or a silicon-based bio-sensor package configured for insertion into a vein. 1. A bio-diagnostic system comprising:a probe assembly configured for insertion into an animate object, the probe assembly comprising:an optical waveguide configured for propagating a light beam; andan optical resonator incorporating a capture agent placed upon a binding site that is exposed to a fluid, the optical resonator configured to receive at least a portion of the propagated light beam and generate therefrom, a first resonant wavelength when no binding reaction is present at the binding site, and a second resonant wavelength when a binding reaction is present at the first binding site, the binding reaction modifying a refractive index of the optical resonator.2. The bio-diagnostic system of claim 1 , wherein the probe assembly is at least one of: a) a needle comprising a first bio-sensor chip that includes the optical waveguide and the first optical resonator claim 1 , b) a catheter comprising a second bio-sensor chip that includes the optical waveguide and the first optical resonator claim 1 , or c) a third bio-sensor chip configured for insertion into the vein claim 1 , the third bio-sensor chip comprising the optical waveguide and the first optical resonator.3. The bio-diagnostic system of claim 2 , wherein at least one of the needle or the catheter is a part of an intravenous (IV) apparatus.4. The bio-diagnostic system of claim 2 , wherein the needle has a sub-mm diameter.5. The bio-diagnostic system of claim 4 , wherein the fluid is one of: blood claim 4 , lymphatic fluid claim 4 , ...

Apparatus, system and method for detection and delivery of a medicinal dose

An apparatus is disclosed as part of a system for tracking and confirming delivery of a medicinal dose to a user. The apparatus includes a detector. The detector is secured to and communicatively coupled to the user and is capable of detecting a current flow through the user's body. The current flow is produced when the user makes contact with the apparatus. The apparatus includes at least two contact areas connected to a power source where a circuit and, hence, a current path is completed through the user's body as the user makes contact with the apparatus. The current flow is detected by the detector, which is coupled to the user. Also disclosed is an apparatus for tracking and confirming delivery of a medicinal dose to a user where the apparatus includes an acoustic detector. Upon loading the dose into a chamber an acoustic vibration is generated. The vibration is detected and correlated with a current flow that is produced when the user makes contact with the apparatus. The combined event of vibration detection and current flow detection confirms that the dose is loaded and the user is in contact with the apparatus and ready to receive the dose.

Enhanced medical device for use in bodily cavities, for example an atrium

Systems, methods, and devices allow intravascular or percutaneous mapping, orientation and/or ablation, in bodily cavities or lumens. A device includes elongate members, moveable between an unexpanded configuration and an expanded or fanned configuration. The elongate members form a stack in the unexpanded configuration to fit through a catheter sheath. The elongate members follow respective arcuate or curvilinear paths as advanced from the sheath into the bent or coiled stack configuration, adopting volute, scroll or rho shapes, and may be nested. The elongated members are fanned or radially spaced circumferentially with respect to one another into the expanded or fanned configuration. Transducer elements carried by elongate members sense various physiological characteristics of or proximate tissue, and/or may apply energy to or proximate tissue. The elongate members are rotatable in groups or as a group in the expanded configuration. The device is retractable.

MOTILITY MANOMETER PRIMING MANIFOLD SYSTEM WITH ICON-BASED USER INTERFACE AND WIRELESS CONNECTIVITY

A catheter includes a distal distension balloon and circumferentially arranged motility measurement balloons proximal of the distension balloon. A manifold includes balloon ports each configured to fluidly couple to a motility measurement balloon, pressure transducer ports, and a priming port. A port selector is coupled to the manifold and movable between different positions. Each port selector position causes the manifold to establish different fluidic couplings between the respective motility balloon, pressure transducer, and priming ports. A pressure sensing device includes pressure transducers each fluidly coupled to one of the pressure transducer ports. The pressure sensing device is configured to coordinate calibration of the pressure transducers at atmospheric pressure with the port selector in a first position and motility balloon pressure measurements with the port selector in a third position. Priming of the motility measurement balloons is implemented by moving the port selector to a second position. 1. A system , comprising:a catheter comprising a distal distension balloon and a plurality of circumferentially arranged motility measurement balloons proximal of the distension balloon; a plurality of balloon ports each configured to fluidly couple to one of the motility measurement balloons;', 'a plurality of pressure transducer ports; and', 'a priming port;, 'a manifold comprisinga port selector coupled to the manifold and movable between different positions, each of the different port selector positions causing the manifold to establish different fluidic couplings between the respective motility balloon, pressure transducer, and priming ports; anda pressure sensing device comprising a plurality of pressure transducers each fluidly coupled to one of the plurality of pressure transducer ports, the pressure sensing device configured to coordinate calibration of the pressure transducers at atmospheric pressure with the port selector in a first position and ...

MULTIPLE MEDICAL DEVICE GUIDANCE

A system and method for providing image guidance for placement of one or more medical devices at a target location. The system receives emplacement information of medical devices within a predetermined area. The system calculates a viewing angle in a virtual 3D space of a plurality of virtual medical devices corresponding to the plurality of medical devices. The system also causes a display device to display the plurality of virtual medical devices based at least on the calculated viewing angle. 1. A method , comprisingreceiving emplacement information of a plurality of needles;receiving emplacement information of a medical imaging device;receiving at least one image from the medical imaging device;calculating a first viewing angle in a virtual 3D space of the at least one image based at least on the emplacement information of the medical imaging device with respect to a perspective view;calculating a second viewing angle in the virtual 3D space of a virtual medical imaging device corresponding to the medical imaging device based at least on the emplacement information of the medical imaging device with respect to the perspective view;calculating a plurality of viewing angles in the virtual 3D space of a plurality of virtual needles corresponding to the plurality of needles based at least on the emplacement information of the plurality of needles with respect to the perspective view;causing the display device to display the at least one image based at least on the first calculated viewing angle in the virtual 3D space;causing the display device to display the virtual medical imaging device based at least on the second calculated viewing angle in the virtual 3D space; andcausing a display device to display the plurality of virtual needles based at least on the plurality of calculated viewing angles in the virtual 3D space.2. A method , comprisingreceiving emplacement information of a plurality of medical devices within a predetermined area;calculating a viewing angle ...

THREE-DIMENSIONAL METAL-COATED NANOSTRUCTURES ON SUBSTRATE SURFACES, METHOD FOR PRODUCING SAME AND USE THEREOF

The invention relates to a method for producing column-shaped or conical nanostructures, wherein the substrate surface is covered with an arrangement of metal nanoparticles and etched, the nanoparticles acting as an etching mask and the etching parameters being set such that column structures or cone structures are created below the nanoparticles and the nanoparticles are preserved as a structural coating. 1. A method for generating on substate surfaces nanostructures with a column-like or conical shape , which have a metal coating on an upper side thereof , said method comprising the steps of:{'sub': 2', '2, 'a) providing a substrate surface coated with SiOor consisting of SiO;'}b) covering the substrate surface with an arrangement of metal nanoparticles;c) contacting the substrate surface with a metal salt solution under reducing conditions,whereby a reduction of the metal salt and currentless deposition of elemental metal on the metal nanoparticles and a corresponding enlargement of the metal nanoparticles is caused; andd) etching to a depth of 10-500 nm of the substrate surface covered with the nanoparticles obtained in step c), wherein the nanoparticles act as an etching mask and etching parameters are adjusted in such a way that column-like structures or conical structures are formed underneath the nanoparticles and the nanoparticles remain kept there as a structure coating.2. The method according to claim 1 , wherein the etching step comprises a treatment with an etchant which is selected from the group consisting of chlorine claim 1 , gaseous chlorine compounds claim 1 , fluorinated hydrocarbons claim 1 , fluorocarbons claim 1 , oxygen claim 1 , argon claim 1 , SFand mixtures thereof.3. The method according to claim 1 , wherein the etching step is performed for a period of time in a range from 10 s to 60 min.4. The method according to claim 1 , wherein the nanoparticles in step b) have a predetermined two-dimensional geometric arrangement.5. The method ...

BLOOD PRESSURE MEASUREMENT DEVICE TO BE USED ON WRIST OF PATIENT

A blood pressure measurement device includes a cuff, a display, a distance sensor, an acceleration sensor, and a CPU. The display displays a positional relationship between the patient's heart and the device, which includes a flat screen. The distance sensor measures a distance between the device and the patient, and detects a subject to be measured on a line perpendicular to the flat screen of the display and measures the distance. The acceleration sensor measures an angle of inclination of the device when mounted on the patient's wrist. The CPU calculates a positional relationship between the patient's heart and the device based on the distance between the device and the subject to be measured, the angle of inclination of the device mounted on the patient's wrist, the length of the patient's forearm and upper arm, and a vertical distance between the patient's shoulder and heart. 1. A blood pressure measurement device to be used on a wrist of a patient comprising:a cuff for wrapping around a wrist of a patient;a display that displays a positional relationship between a heart of the patient and the blood pressure measurement device, the display comprising a flat screen, which is in parallel with a longitudinal direction of a forearm when the cuff is wrapped around the wrist of the patient,a distance sensor connected to the display that measures a distance between the blood pressure measurement device and the patient, wherein the distance sensor detects a subject to be measured on a line perpendicular to the flat screen of the display and measures the distance therebetween;an acceleration sensor connected to the distance sensor that measures an angle of inclination of the blood pressure measurement device when the blood pressure measurement device is mounted on the wrist of the patient; and a memory that stores a length of a forearm and an upper arm of the patient and a vertical distance between a shoulder and the heart of the patient; and', 'a calculating section ...

Edge-Detect Receiver For Orthopedic Parameter Sensing

A sensor system uses positive closed-loop feedback to provide energy waves into a medium. The medium can be coupled to the muscular-skeletal system or be part of the muscular-skeletal system. A sensor comprises one or more transducers, an edge detect circuit or a reflecting surface. A parameter is applied to the medium and the parameter affects the medium. A transducer receives an energy wave that has traversed the medium and generates an energy wave signal. The edge-detect receiver receives the energy wave signal signal from the transducer and generates a pulse upon sensing a leading edge corresponding to a wave front of the energy wave. The edge-detect receiver comprises a preamplifier, a differentiator, a digital pulse circuit, and a deblank circuit. The transit time, phase, or frequency is measured of the propagating energy waves and correlated to the parameter being measured.

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

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

Implantable Transponder Systems and Methods

A method and system for providing electrical stimulation to tissue includes implanting one or more battery-free micro-transponders having spiral antennas into tissue. Energy is provided wirelessly to the plurality of micro-transponders. Tissue is stimulated using the energy.

Evoked Stapedius Reflex Threshold Tile Electrode

An electrode arrangement is described for sensing electrical activity in target tissue. An inner electrode has an elongate electrode body formed as a cylindrical section with an inner penetrating end for insertion into the stapedius muscle target tissue. An outer electrode fits over the inner electrode and an outer penetrating end for insertion into the target tissue. The two electrodes are joined together with their electrode bodies in parallel so that the penetrating ends of the electrodes penetrate in the same direction into the target tissue to sense electrical activity in the target tissue.

Biosensor and Method for Providing a Biosensor

A biosensor is proposed for insertion into the subcutaneous tissue of a user wherein the biosensor includes at least one flexible substrate () and at least one electrode () on at least one surface () of the substrate and at least one contacting element (). The contacting element is connected to the electrode. The substrate has at least one kink (), at which the substrate is at least partly kinked such that the surface is subdivided into at least two interconnected outer surfaces ().

Methods and Apparatus for Electric Stimulation of Tissues Using Signals That Minimize The Effects of Tissue Impedance

A tissue stimulation system that generates an electrical tissue stimulation signal configured to reduce tissue impedance and increase depth of signal penetration. The use of leads is dynamically controlled and altered between conducting biopotential voltages, conducting electrical tissue stimulation signals, and grounding, in response to a computational analysis of biopotential data acquired from a region of tissue to be stimulated.

System and method for dynamically varying the angle of light transmission in an optoacoustic imaging system

An optoacoustic probe includes an optical window, a light path, an acoustic lens and an ultrasound transducer array. The light path operatively connects a light source to the probe, and is adapted to transmit light through the optical window at an angle of light transmission. The ultrasound transducer array includes ultrasound transducer elements, and has the inner surface of the acoustic lens at its active end. The probe is enabled to vary the angle of light transmission responsive to at least one command. In an embodiment, the light source generates a light pulse at at least one predominant wavelength. The light path may comprise at least first plurality of optical fibers. A control and processing system may be provided that is capable of pulsing the light source, causing the probe to transmit ultrasound, receiving and processing optoacoustic and ultrasound data, and controlling the operation of the system. An electrical path operatively connecting the control and processing system to the probe transmits and receives ultrasound data, and receives optoacoustic data. The control and processing system may be capable of transmitting at least one command to the probe via a control line such that the probe is caused to vary an angle of light transmission of the first plurality of optical fibers responsive to a first one of the at least one commands.

Enhanced medical device for use in bodily cavities, for example an atrium

Systems, methods, and devices allow intravascular or percutaneous mapping, orientation or ablation, or combinations thereof in bodily cavities or lumens. A device includes a plurality of elongate members which are moveable between an unexpanded configuration, a bent or coiled stack configuration and an expanded or fanned configuration. The elongate members form a stack arrangement in the unexpanded configuration to fit through a catheter sheath. The elongate members follow respective arcuate or curvilinear paths as advanced from the sheath into the bent or coiled stack configuration, adopting volute, scroll or rho shapes, and may be nested. The elongated members are fanned or radially spaced circumferentially with respect to one another into the expanded or fanned configuration. Transducers carried by elongate members may sense various physiological characteristics of or proximate tissue, for instance temperature, and/or may apply energy to or proximate tissue, for example to perform ablation. The device is retractable.

Ecg-enabled personal emergency response systems

The invention provides personal emergency response systems (PERS) with expanded life-saving capabilities. One embodiment of the invention provides a wearable PERS pendant that incorporates a cell phone transmitter or transceiver, a GPS location system, an accelerometer-based fall detector that automatically triggers an alert, and an electrocardiogram (ECG) recorder permitting a remote service center or medical personnel to receive and respond to transmitted alerts and electrocardiographic data.

EEG Hair Band

The present invention relates to hair band EEGs. More particularly, the present invention relates to hair bands.

Device for diagnosing condition of liver and method of examining condition of liver

The diagnostic device disclosed in this application is a device for diagnosing liver condition. The diagnostic device comprises a nitric oxide sensor and an information output unit. The nitric oxide sensor can be brought into contact with hepatocytes making up the liver and detects the concentration of nitric oxide produced by the hepatocytes. The information output unit, based on the nitric oxide concentration detected by the nitric oxide sensor, outputs information for diagnosing the condition of the liver. The information output unit can, for example, output a graph showing the change over time in the nitric oxide concentration detected by the nitric oxide sensor.

Eyewear

A problem related to a known eyewear-type electro-oculogram measuring apparatus which detects the eye potential using a pair of electrodes positioned outside both the eyes of a user and a pair of electrodes respectively positioned above and below one eye is that the two pairs of electrodes have had an impact on the skins of users, and discomfort on them. Besides, the electrodes are not excellent in design. The present invention provides eyewear including: a frame; a pair of nose pads; and a first electrode and a second electrode respectively provided on the surface of the pair of nose pads, the first electrode and the second electrode detecting eye potential

Pathlength Enhancement of Optical Measurement of Physiological Blood Parameters

Systems and methods for measuring a physiological parameter of tissue in a patient are provided herein. In a first example, a method of measuring a physiological parameter of blood in a patient is provided. The method includes emitting at least two optical signals for propagation through tissue of the patient, detecting the optical signals after propagation, identifying propagation pathlengths of the optical signals, and identifying detected intensities of the optical signals. The method also includes processing at least the propagation pathlengths to scale the detected intensities for determination of a value of the physiological parameter.

IMPLANTABLE VASCULAR SYSTEM BIOSENSOR WITH GROWN CAPILLARY BEDS AND USES THEREOF

An implantable biocompatible biosensor is described herein. The biosensor includes a chip layer including a plurality of holes fabricated vertically there through, a power source, one or more sensors on the chip layer and coupled to the power source and a hydrogel matrix including one or more angiogenesis stimulating factors in contact with the chip layer. The stimulating factors stimulate growth of organic material through the plurality of holes when the biosensor is implanted in a subject. 1. An implantable biocompatible biosensor comprising:a chip layer including a plurality of holes fabricated vertically there through;a power source;one or more sensors on the chip layer and coupled to the power source; anda hydrogel matrix including one or more angiogenesis stimulating factors in contact with the chip layer, the stimulating factors causing growth of organic material through the plurality of holes when the biosensor is implanted in a subject.2. The biosensor of claim 1 , further comprising a transmitter in communication with the sensor claim 1 , the sensor emitting a signal representative of a sensed characteristic of the grown organic material claim 1 , the transmitter converting the signal from the sensor into a digital signal representative of a sensed characteristic.3. The biosensor of claim 1 , wherein the power source is a photovoltaic cell.4. The biosensor of claim 1 , wherein the sensor includes a photo diode and a laser diode emitting light through the grown organic material to the photo diode.5. The biosensor of claim 4 , wherein the laser diode is any one or more of double heterostructure lasers claim 4 , quantum well lasers claim 4 , quantum cascade lasers claim 4 , separate confinement heterostructure lasers claim 4 , distributed feedback lasers claim 4 , vertical cavity surface emitting lasers (VCSELs) claim 4 , vertical external cavity surface emitting lasers (VECSELs) or external-cavity diode lasers.6. The biosensor of claim 1 , wherein each of ...

Apparatus, systems, and methods for tissue oximetry and perfusion imaging

A compact perfusion scanner and method of characterizing tissue health status are disclosed that incorporate pressure sensing components in conjunction with the optical sensors to monitor the level of applied pressure on target tissue for precise skin/tissue blood perfusion measurements and oximetry. The systems and methods allow perfusion imaging and perfusion mapping (geometric and temporal), signal processing and pattern recognition, noise cancelling and data fusion of perfusion data, scanner position and pressure readings.

BODY FLUID COMPONENT MEASURING SYSTEM

A body fluid component measuring system which is capable of continuous measurement and reduces downtime includes a sensor unit which is positionable indwelling in the skin of a subject and which measures a predetermined body fluid component included in the body fluid of the subject; and a transmission unit which is detachably attached to the sensor unit and which calculates blood glucose level based on measurement data measured by the sensor unit, and transmits the calculated blood glucose level to a display unit. Identification information for establishing communication between the transmission unit and the display unit is stored in the sensor unit, and the transmission unit, upon activation, uses the identification information read out by the sensor unit to establish communication with the display unit. 1. A body fluid component measuring system comprising:a display unit;a sensor unit attachable to a body of a subject, the sensor unit comprising: a needle possessing a point configured to be indwelled in skin of the subject when the sensor unit is attached to the body of the subject to obtain a body fluid sample of the subject; a component measuring section which is connected to the needle to receive the body fluid sample obtained by the needle and which measures a predetermined body fluid component of the body fluid sample; and a memory;a transmitting unit detachably attachable to the sensor unit, the transmitting unit comprising: memory storing a calculating program which calculates a concentration of the predetermined body fluid component included in the body fluid sample based on the predetermined body fluid component of the body fluid sample measured by the component measuring section; and a transmitting module which transmits a result of the calculation of the concentration of the predetermined body fluid component to the display device which displays the concentration of the predetermined body fluid component; andthe memory of the sensor unit storing ...

Temperature Measuring Device

An apparatus for accurately measuring the body temperature of a patient at the tracheal wall of the patient. The apparatus includes a novel handheld temperature readout assembly that is easy to use by the caregiver and one which clearly and accurately displays the temperature of the patient. The handheld temperature readout assembly includes a handheld housing having a viewing window and a light emitting diode temperature display that is carried by the housing and is readily viewable through the viewing window of the handheld housing for displaying the patient temperature. The apparatus also includes a built-in alarm system to alert to high and low body temperatures. 1. A temperature measuring apparatus usable by a caregiver for measuring the body temperature of the patient at the tracheal wall of the patient comprising:(a) a tracheal tube having an interior end and an exterior end, said interior end being constructed and arranged to enter the trachea of the patient and to engage the trachea wall;(b) a generally annular shaped temperature sensor interconnected with and circumscribing said tracheal tube proximate said interior end thereof, said temperature sensor being so constructed and arranged so as to engage a substantial portion of the trachea wall of the patient; and (i) a handheld housing having an internal chamber and a viewing window;', '(ii) an integrated circuit board housed within said internal chamber, said integrated circuit board including an electronic processor having data storage capability;', '(iii) a light emitting diode temperature display carried by said housing and being viewable through said viewing window of said handheld housing for displaying the temperature detected by said temperature sensor; and', '(iv) an alarm system carried by said handheld housing for alerting the caregiver to high and low body temperature readings, said alarm system comprising a speaker array mounted on said handheld housing, '(c) a handheld temperature readout ...

Information processing apparatus, program, and biosignal measurement set

An information processing apparatus includes a retaining unit, an image acquisition unit, an image processor, a comparator, and an image generator. The retaining unit is configured to retain a defined attachment position being an attachment position of a biological detection sensor with respect to a body site of a user, the defined attachment position being defined in advance. The image acquisition unit is configured to acquire a capture image captured by an imaging unit. The image processor is configured to extract, from the capture image, a body shape of the user. The comparator is configured to compare the body shape with the defined attachment position. The image generator is configured to generate, based on a comparison result by the comparator, a display image to be displayed on a display unit.

Systems, Methods and Devices Having Stretchable Integrated Circuitry for Sensing and Delivering Therapy

System, devices and methods are presented that integrate stretchable or flexible circuitry, including arrays of active devices for enhanced sensing, diagnostic, and therapeutic capabilities. The invention enables conformal sensing contact with tissues of interest, such as the inner wall of a lumen, a the brain, or the surface of the heart. Such direct, conformal contact increases accuracy of measurement and delivery of therapy. Further, the invention enables the incorporation of both sensing and therapeutic devices on the same substrate allowing for faster treatment of diseased tissue and fewer devices to perform the same procedure.

Cardiac stimulation system

Some embodiments of pacing systems employ wireless electrode assemblies to provide pacing therapy. The wireless electrode assemblies may wirelessly receive energy via an inductive coupling so as to provide electrical stimulation to the surrounding heart tissue. In certain embodiments, the wireless electrode assembly may include one or more biased tines that shift from a first position to a second position to secure the wireless electrode assembly into the inner wall of the heart chamber.

CLASSIFICATION OF TUMOR TISSUE WITH A PERSONALIZED THRESHOLD

The present invention deals with discrimination of malignant tissue from normal and benign tissue in a single patient on the basis of optical spectroscopic measurements. Starting from spectroscopic measurements in normal tissue, reference values are obtained for the normal class. With spectroscopic measurements in other tissues data points can be assigned to new class(es) when the spectral characteristics fall outside a threshold defining the reference class. Thresholds between different classes can also be defined. Finding (the transition to) malignant tissue is based on comparing the spectroscopic values to the classification threshold discriminating normal and benign versus malignant tissue. Thus, the basis of normal spectroscopic measurements is tuned to the individual patient characteristic. Discriminating the normal plus benign and malignant from that reference is more efficient compared to the reference of the all patient database. 1. A system for obtaining at least one threshold for the discrimination among different tissue types , the system comprising:an optical probe arranged for obtaining light measurements at one or more positions in a tissue of a first type; anda console arranged for spectrally analyzing the light measurements and defining data points in a score plot of a multivariate statistical analysis to form a first tissue type class on the basis of predetermined spectral characteristics derived from fits in the light measurements, wherein the console is arranged for defining a first threshold for the cloud of data points belonging to this first tissue type class by using spectral characteristics of reference tissue,wherein the optical probe is further arranged for obtaining further light measurements at further positions in the tissue; andwherein the console is further arranged for testing whether the predetermined spectral characteristics of the further light measurements fall outside the first threshold in said score plot and if this is the ...

Light irradiating apparatus, control method therefor, and object information acquiring apparatus

A light irradiating apparatus is used, which is characterized by having: a probe including an irradiating unit which guides light to an object, a housing containing the irradiating unit, and a touch sensor acquiring a contact condition amount between the object and the housing; and a controller controlling irradiation with light from the irradiating unit based on a level of the contact condition amount and a change in the contact condition amount, wherein in a case where the contact condition amount is equal to or more than a first reference value while the change in the contact condition amount which occurs when the housing is pressed against the object is a positive value, the controller performs a control which enables irradiation with light from the irradiating unit when the change in the contact condition amount is equal to or more than a second reference value.

Method and device for real time mechanical imaging of prostate

The present invention relates to a method for real time mechanical imaging of a prostate with a transrectal probe. In the method, generating a composite two- and three-dimensional prostate mechanical image from a plurality of partial mechanical images extracted from pressure response data and a probe orientation data starts with examining the prostate by pressing a probe head pressure sensor array against it at various overlapping locations. Merging of partial mechanical images together is accomplished by analyzing an overlap between each subsequent and previous partial mechanical image. Finding the prostate is assisted with a supplemental pressure response data indicating the location of a sphincter known to be about 4-5 cm away from the prostate. Data processing is improved by including probe orientation data to further increase the accuracy and sensitivity of the method. The probe is equipped with a two-dimensional head pressure sensor array, a supplemental shaft sensor array and orientation tracking sensors including a three-axis magnetic sensor and a two-axis accelerometer sensor for calculating elevation, rotation and azimuth angles of the probe.

Methods and systems for intravascular imaging and flow measurement

Methods, systems and non-transitory computer readable media that store instructions executable by one or more processors for performing an interventional procedure are presented. One or more pulses are delivered to an intravascular region of interest (ROI) in a subject using at least one image sensor and at least one forward-looking flow sensor disposed at a distal end of an integrated intravascular device. Further, one or more images corresponding to the ROI are reconstructed using imaging signals received in response to the pulses delivered by the image sensor. Additionally, one or more flow characteristics corresponding to the ROI are determined based on the signals received in response to the pulses delivered by the flow sensor. The determined flow characteristics are used for computing one or more functional parameters corresponding to the ROI. An assessment of the subject may be provided based on the reconstructed images and/or the functional parameters.

SYSTEM AND METHOD FOR DETECTING TISSUE SURFACE PROPERTIES

A system and method of detecting and assessing a tissue surface property without a separate access port to internal anatomical structures. The system includes a first unit positioned outside the patient's body and a second unit positioned inside the patient's body. The first unit includes a magnetic field source and a force sensor and is positioned outside the patient's body in a position that enables magnetic coupling with the second unit, which is inside the patient's body. The second unit includes a magnetic field source, a processor, a sensor, a telemetry unit, a power source, and an optional actuator or other components. The resulting attractive force between the internal and external magnetic field sources can be perceived by the force sensor of the first unit. By varying the distance between the two units, the attractive force triggers a variable stress on the tissue surrounding the second unit in the direction of the magnetic field source in the first unit. 1. A system for detecting a tissue property , the system including: a first housing,', 'a first sensor supported by the first housing, and', 'a first magnetic field source supported by the housing; and, 'a first unit located on a first side of the tissue surface, the first unit including'} a second housing,', 'a second sensor supported by the second housing,', 'a second magnetic field source supported by the second housing,', 'a controller,', 'a telemetry unit, and', 'a power source;, 'a second unit located on a second side of the tissue surface, the second unit including'}wherein the first unit and second unit are magnetically coupled such that a force created therebetween generates a first stress on the tissue surface;wherein the first sensor is configured to sense a magnitude of the force;wherein the second sensor is configured to determine a displacement of the tissue due to the first stress.2. The system of further comprising an actuator supported by the second housing.3. The system of wherein the ...

INTEGRATED CATALYTIC PROTECTION OF OXIDATION SENSITIVE MATERIALS

An implantable device with in vivo functionality, where the functionality of the device is negatively affected by ROS typically associated with inflammation reaction as well as chronic foreign body response as a result of tissue injury, is at least partially surrounded by a protective material, structure, and/or a coating that prevents damage to the device from any inflammation reactions. The protective material, structure, and/or coating is a biocompatible metal, preferably silver, platinum, palladium, gold, manganese, or alloys or oxides thereof that decomposes reactive oxygen species (ROS), such as hydrogen peroxide, and prevents ROS from oxidizing molecules on the surface of or within the device. The protective material, structure, and/or coating thereby prevents ROS from degrading the in vivo functionality of the implantable device. 1. A device comprising:(a) an implantable device which has an in vivo functionality and; (1) the protective material prevents or reduces degradation or interference of the implantable device due to inflammation reactions and/or foreign body response; and', '(2) the protective material comprises a metal or metal oxide which catalytically decomposes or inactivates in vivo reactive oxygen species or biological oxidizers., '(b) a protective material incorporated within the structure of the implantable device wherein2. The device of claim 1 , wherein the device is a sensor.3. The device of claim 2 , wherein the sensor is for monitoring glucose levels.4. The device of claim 2 , wherein the sensor comprises a body at least partially surrounding a photosensitive detector element and a light source claim 2 , and further wherein an external surface of the sensor body comprises a porous sensor graft layer that comprises one or more indicator macromolecules.5. The device of claim 4 , wherein the one or more indicator macromolecules comprises a phenylboronic acid residue.6. The device of claim 4 , wherein the protective material comprises nano- ...

Evaluation of the quality of electrode contact with a skin surface

An instrument that utilizes body contact electrodes evaluates the quality of the connections made between the electrodes and the body. An electrode contact quality evaluation circuit performs the quality evaluation, such as by determining contact impedances for the electrodes. The corresponding contact quality of each electrode is conveyed to the user.

Instrument Penetration Detector Using Dynamic Frequency Adjustment, and Method of Operation

A method, and an apparatus to perform the method, of determining a location of a medical instrument in a patient during a medical procedure, the method including connecting at least a portion of the medical instrument to a first body region of the patient, propagating a plurality of signals at different frequencies along a conductive path of the medical instrument, measuring one or more feedback parameters corresponding to each of the plurality of signals at the first body region, determining an operational frequency from the different frequencies according to a comparison of the one or more feedback parameters, propagating a signal having the operational frequency along the conductive path as the medical instrument penetrates the body of the patient during the medical procedure, and measuring the one or more feedback parameters corresponding to the operational frequency to determine a penetration location of the medical instrument in the body of the patient. 1. A method of determining a location of a medical instrument in a patient during a medical procedure , the method comprising:connecting at least a portion of the medical instrument to a first body region of the patient;propagating a plurality of signals at different frequencies along a conductive path of the medical instrument;measuring one or more feedback parameters corresponding to each of the plurality of signals at the first body region;determining an operational frequency from the different frequencies according to a comparison of the one or more feedback parameters;propagating a signal having the operational frequency along the conductive path as the medical instrument penetrates the body of the patient during the medical procedure; andmeasuring the one or more feedback parameters corresponding to the operational frequency to determine a penetration location of the medical instrument in the body of the patient.2. The method of claim 1 , further comprising generating at least one indicator to indicate ...

METHODS FOR LOCALIZING IMPLANTED VASCULAR ACCESS DEVICES

Disclosed are vascular access devices, implantable dialysis grafts, and systems including them useful for improved access to implanted medical devices. Also disclosed are implantable hemodialysis vascular access graft devices that facilitate easy, accurate and reproducible cannulation or needle entry into the implanted device by magnetically-locating a portion of the graft that includes one or more paramagnetic materials operably defining the physical boundaries of the target cannulation site/entry port. 135-. (canceled)36. A method for identifying the placement of an implanted dialysis graft that comprises at least a first and a second region each including a substantially magnetic or a substantially paramagnetic material and each positioned longitudinally along the substantially tubular dialysis graft thereby defining a first cannulation site within the graft , the method comprising , localizing the presence of the first cannulation site by passing over the skin proximate to the implant a detector that comprises one or more magnets sized and dimensioned to correspond to , and to localize to , the first cannulation site within the graft , by the attraction of the one or more magnets within the detector to the first and the second regions of the device that include the magnetic or the paramagnetic material , thereby identifying the first cannulation site within the implanted dialysis graft.37. A method for improving the accuracy of localization and cannulation of an implanted AV graft device , comprising , 1) employing a system that comprises (a) a vascular device; and (b) at least one magnet sized and dimensioned to detect the implanted vascular graft when placed in proximity to the skin of a patient into which the graft or device has been implanted to preferentially identify the location of at least a first cannulation site within the graft that is defined by the position of a plurality of magnetic or paramagnetic rings disposed along , on , or within the graft ...

MONITORING VITAL PARAMETERS OF A COMPRESSION GARMENT WEARER

Monitoring vital parameters of a wearer of a compression garment by analyzing a pressure signal waveform indicative of a fluid pressure in an inflatable and deflatable bladder of the compression garment. Analyzing the pressure signal waveform for an oscillating amplitude as a function of time and/or a representation of a pulse of the wearer provides an indication of blood pressure of the wearer. 1. A controller for controlling inflation and deflation of at least one bladder of a garment to provide compression therapy treatment to a wearer of the garment , the controller comprising one or more processors and a non-transitory , computer-readable storage medium including computer-executable instructions for causing the one or more processors to:receive, from a pressure sensor, a signal indicative of fluid pressure in the at least one bladder of the garment;determine whether the received signal includes oscillating amplitude as a function of time; andbased at least in part on the determination of whether the received signal includes oscillating amplitude as a function of time, estimate a blood pressure of the wearer of the garment.2. The controller of claim 1 , wherein the instructions to receive the signal indicative of fluid pressure include instructions to receive the signal indicative of fluid pressure while the at least one bladder is inflated.3. The controller of claim 2 , wherein the instructions to receive the signal indicative of fluid pressure include instructions to receive the signal indicative of fluid pressure while the at least one bladder is inflated at a substantially constant pressure.4. The controller of claim 1 , wherein the instructions to receive the signal indicative of fluid pressure include instructions to receive the signal indicative of fluid pressure at least one of:at a predetermined interval, andbased at least in part on a user input.5. The controller of claim 1 , wherein the instructions to receive the signal indicative of fluid pressure ...

Operation-verifying wearable vapor sensor

A system to measure sweat vapor may include a skin contact sensor, a sweat vapor sensor, and a processor. The skin contact sensor may be configured to measure one or more aspects indicative of whether the measuring device is in contact with skin of a user of the measuring device. The sweat vapor sensor may be configured to measure one or more properties of sweat vapor of the user; and the processor may be communicatively coupled to the skin contact sensor and the sweat vapor sensor. The processor may be configured to confirm operation of the measuring device based on the one or more aspects measured by the skin contact sensor, and the sweat vapor sensor receiving the sweat vapor.

Wearable Architecture and Methods for Performance Monitoring, Analysis, and Feedback

The present application relates generally to computer software, mobile electronics, wireless communication links, and wearable monitoring systems. More specifically, techniques, fabrics, materials, systems, sensors, EMG sensors, circuitry, algorithms and methods for wearable monitoring devices and associated exercise apparatus are described. A garment borne sensor system may generate data on a user's performance during exercise, for example, and the data may be analyzed in real time and feedback may be provided to the user based on the analysis. A piece of exercise equipment may be instrumented and in communication with the sensor system or other system and may be controlled in real time to adjust its settings to affect the user during the exercise routine. Communication between the sensor system and other systems may be wireless. Conductive structures formed directly in a fabric of the garment may integrally include sensors, circuitry, controllers, conductive traces, and sensor electronics. 1. An apparatus for monitoring physical activity of a user , comprising:a controller; a set of electrode bases,', 'a set of electromyography sensors, each electromyography sensor coupled to one of the set of electrode bases, a fabric of the garment configured to cause each of the set of electromyography sensors to forcibly abut a skin of the user when the user wears the garment, each of the set of electromyography sensors configured to acquire bio-potential signals indicative of muscle activation, and', 'a set of conductive leads, each conductive lead coupled with an electrode base and configured to couple to the controller; and, 'a garment configured to be worn on a portion of a body of the user, the garment includinga processing system including a first module configured to receive information characterizing physical properties of the user, a second module configured to receive signals from the set of electromyography sensors, and a third module configured to calibrate the set ...

Near-ir glucose sensors

Glucose-sensing luminescent dyes, polymers, and sensors are provided. Additionally, systems including the sensors and methods of using these sensors and systems are provided.

GLYCEMIC HEALTH METRIC DETERMINATION AND APPLICATION

Disclosed are methods, apparatuses, etc. for determination and application of a metric for assessing a patient's glycemic health. In one particular implementation, a computed metric may be used to balance short-term and long-term risks associated with a particular therapy. 120.-. (canceled)21. An apparatus for use with a patient , with a blood glucose monitoring device , and with an infusion device , the apparatus comprising:one or more processors to:compute a profile of a blood glucose concentration of the patient based, at least in part, on a probability density function of a plurality of blood glucose concentration values collected at the blood glucose monitoring device;determine a metric based, at least in part, on a convolution of a cost or loss function and the profile, wherein the metric is for balancing short-term and long-term risks associated with a therapy, and wherein the metric is representative of a glycemic health of the patient, the cost or loss function being based, at least in part, on a log-square operation and being further based, at least in part, on a parameter selected to balance Spearman rank coefficients with hypoglycemic-based metrics and hyperglycemic-based metrics, wherein the log-square operation is applied to at least one of a computed mean of the plurality of blood glucose concentration values or a measure of a statistical dispersion of the plurality of blood glucose concentration values; andaffect an insulin therapy applied to the patient by the infusion device, based, at least in part, on the metric.22. The apparatus of claim 21 , wherein the measure of the statistical dispersion comprises a standard deviation.23. The apparatus of claim 21 , wherein to affect the insulin therapy comprises to adjust the target blood glucose level or the target blood glucose range of the patient upward based claim 21 , at least in part claim 21 , on the indication by the metric that the patient is tending towards hypoglycemia claim 21 , or to adjust ...

APPARATUS AND METHODS FOR DETERMINING FORCE APPLIED TO THE TIP OF A PROBE

An apparatus capable of determining the force applied to the tip of an electrical impedance spectroscopy probe comprises: ⋅an elongate probe comprising a probe tip attached to a handle, the probe tip having a substantially planar distal end for contacting human or animal tissue; ⋅a load cell located in said handle and capable of measuring a force Fapplied axially along a longitudinal axis when said probe tip is in contact with said human or animal tissue; ⋅an accelerometer located in the handle for measuring a gravity vector A; ⋅processing means for compensating for the mass of the probe tip using said measured force and gravity vector to produce a calibrated measurement of force F applied to said probe tip. 113-. (canceled)14. Apparatus capable of determining a force F applied to a tip of a probe the apparatus comprising:an elongate probe comprising said probe tip attached to a handle, the probe tip having a substantially planar distal end for contacting human or animal tissue;{'sub': 'loadcell', 'a load cell located in said handle and capable of measuring a force Fapplied axially to said elongate probe along a longitudinal axis thereof when said probe tip is in contact with said human or animal tissue;'}{'sub': 'axial', 'an accelerometer located in the handle for measuring a gravity vector A;'}processing means for compensating for the mass of the probe tip using said measured force and gravity vector to produce a calibrated measurement of said force F applied to said probe tip;display means for indicating to a user the calibrated measurement of said force F.15. Apparatus as claimed in wherein the processing means is further capable of determining an electrical conductivity of human or animal tissue to which the distal end of the probe tip is applied.16. Apparatus as claimed in wherein the human or animal tissue is cervical tissue.17. Apparatus as claimed in wherein said load cell comprises four strain gauges in a bridge configuration.18. Apparatus as claimed in ...

Remote Control Module For Instruments

A monitoring system may include a processor and display system for displaying results from the monitoring. A user may be in a sterile field away from the processor and display system and selected input devices. A controller may be physically connected to the monitoring system from the sterile field to allow the user to control the monitoring system. 1. A stimulation monitoring system positioned in a non-sterile field out of a sterile field to stimulate at least a portion of a patient within the sterile field , comprising:a stimulation system configured to generate a stimulation voltage;a stimulation instrument configured to be positioned within the sterile field near the patient;a controller conductively connected to the stimulation instrument and configured to be positioned within the sterile field near the patient;a conductor physically connected to the stimulation system and the controller;wherein the controller includes an input to control at least one operation of the stimulation system.2. The stimulation monitoring system of claim 1 , wherein the input includes at least one switch;wherein the at least one switch is configured to be operated by a user within the sterile field.3. The stimulation monitoring system of claim 2 , wherein the at least one switch includes a push button switch configured to be depressed with a digit by the user.4. The stimulation monitoring system of claim 3 , wherein the controller includes an external housing;wherein the push button switch includes a first portion configured to extend form the housing to be directly engaged by the digit and a second portion having a toggle switch fixed to a printed circuit board placed within the housing;wherein the toggle switch is configured to generate a signal that is transmitted to the stimulation system;wherein the stimulation system includes a processor configured to receive the signal to control at least one operation of the stimulation system.5. The stimulation monitoring system of claim 1 , ...

DEVICE AND METHOD FOR SENSING SIGNALS FROM A BODY

A kit for transmitting and sensing signals comprises: a multi-connection cable having a plurality of cable connectors at a distal end of the cable for establishing electrical communication between each of the cable connectors and a system for measuring bioimpedance that is connectable to a proximal end of the cable, and a plurality of devices for transmitting and sensing signals. Each device comprises a non-conductive substrate adherable to a skin of a subject, a first and a second electrical contacts printed on the substrate, and a disposable connector. Each disposable connector is connectable to a compatible cable connector of the cable in a manner that a combined thickness of the disposable connector and the compatible cable connector, once connected, is less than 4 mm. 1. A kit for transmitting and sensing signals , the kit comprising:a multi-connection cable having a plurality of cable connectors at a distal end of said cable for establishing electrical communication between each of said cable connectors and a system for measuring bioimpedance that is connectable to a proximal end of said cable; anda plurality of devices for transmitting and sensing signals, each device comprising a non-conductive substrate adherable to a skin of a subject, a first and a second electrical contacts printed on said substrate, and a disposable connector;each disposable connector being connectable to a compatible cable connector of said cable in a manner that a combined thickness of said disposable connector and said compatible cable connector, once connected, is less than 4 mm.2. The kit of claim 1 , wherein a length of each device claim 1 , from said contacts to said disposable connector is less than 25 cm.3. The kit according to claim 2 , wherein each device comprises printed conducting lines leading from said contacts to said disposable connector.4. The kit according to claim 1 , wherein said disposable connector comprises a first conducting line connected to said first ...

DEVICE AND METHOD FOR SENSING SIGNALS FROM A BODY

A device for transmitting and sensing signals comprises a non-conductive substrate adherable to a skin of a subject, two or more electrical contacts printed on the substrate, and a disposable connector, connectable to a compatible cable connector of a cable which receives signals from the contacts via the disposable connector. The disposable connector has a symmetric shape such that mating between the disposable connector and the compatible cable connector is established at either one of two flipped orientations. 1. A device for transmitting and sensing signals , the device comprising:a non-conductive substrate adherable to a skin of a subject;a first and a second electrical contacts printed on said substrate;a disposable connector, connectable to a compatible cable connector of a cable receiving signals from said contacts via said disposable connector for transmitting the signals to a system for measuring bioimpedance, said disposable connector having a symmetric shape such that mating between said disposable connector and said compatible cable connector is established at either one of two flipped orientations.2. The device according to claim 1 , being packed with a label indicative that the device is for attachment to each of eight different locations of an upper part of a body of a subject.3. The device of claim 2 , wherein said eight different locations comprise: a ventral upper-left region claim 2 , a ventral upper-right region claim 2 , a ventral lower-left region claim 2 , a ventral lower-right region claim 2 , a dorsal upper-left region claim 2 , a dorsal upper-right region claim 2 , a dorsal lower-left region and a dorsal lower-right region.4. The device of claim 1 , wherein a length of the device claim 1 , from said contacts to said disposable connector is less than 25 cm.5. The device according to claim 4 , comprising printed conducting lines leading from said contacts to said disposable connector.6. The device according to claim 1 , wherein said ...

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

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

Advanced analyte sensor calibration and error detection

Systems and methods for processing sensor data and self-calibration are provided. In some embodiments, systems and methods are provided which are capable of calibrating a continuous analyte sensor based on an initial sensitivity, and then continuously performing self-calibration without using, or with reduced use of, reference measurements. In certain embodiments, a sensitivity of the analyte sensor is determined by applying an estimative algorithm that is a function of certain parameters. Also described herein are systems and methods for determining a property of an analyte sensor using a stimulus signal. The sensor property can be used to compensate sensor data for sensitivity drift, or determine another property associated with the sensor, such as temperature, sensor membrane damage, moisture ingress in sensor electronics, and scaling factors.

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 ...

Intra-Operative Heart Size Measuring Tool

A heart size measuring tool includes a tubular body, a flexible measuring cord having length indicia, a measuring cord support mechanism movable between retracted and extended states with respect to the body, and an actuating mechanism to move the measuring cord support mechanism. When in the retracted state the measuring cord support mechanism is positioned within the tubular body with the measuring cord in a collapsed position. When the measuring cord support mechanism is in the extended state the measuring cord extends around a portion of a heart to be measured. A scale on the body can be used in connection with the indicia on the measurement cord to provide a reading of the heart size. 1inserting into a patient's body through a minimally invasive access port a heart measurement tool having a measurement device movable between extended and retracted states;positioning a distal end portion of the heart measurement tool adjacent to an apex of the patient's heart while the measurement device is in the retracted state;actuating the measurement tool to move the measurement device to the extended state around at least a portion of the patient's heart;determining the heart size measurement using the measurement device in the extended state; andactuating the measurement tool to move the measurement device to the retracted state; withdrawing the measurement tool from the patient's body.. A method for measuring a size of a patient's heart in connection with the implantation of a therapeutic device surrounding at least a portion of the heart, including: This application is a continuation of U.S. patent application Ser. No. 15/223,973 filed Jul. 29, 2016, which is a continuation of U.S. patent application Ser. No. 14/698,689 filed Apr. 28, 2015 (now U.S. Pat. No. 9,427,318 issued Aug. 30, 2016), which is a continuation of U.S. application Ser. No. 13/261,173, filed on Jun. 29, 2012 (now U.S. Pat. No. 9,044,169 issued Jun. 2, 2015), which is a United States national stage ...

Electrocardiogram systems and related methods

Embodiments disclosed herein are directed to electrocardiogram systems and systems of using electrocardiogram systems. The electrocardiogram systems are configured to detect at least two electrical potentials (e.g., a first electrical potential and a second electrical potential) at two or more surfaces of a subject (e.g., a first surface and a second surface). In an embodiment, the electrocardiogram system includes at least one position sensor configured to detect the position of the at least one electrode relative to a surface of the subject.

SENSOR DATA CORRECTION SYSTEM

A sensor data correction system, includes: a standard motion mechanism unit for performing a standard motion of a wearable sensor; a determination unit calculating a relationship between first sensor data that is sensed by a first wearable sensor provided with the standard motion mechanism unit and second sensor data that is sensed by a second wearable sensor provided with the standard motion mechanism unit; and a correction unit correcting the first sensor data or the second sensor data, on the basis of the relationship that is calculated by the determination unit. 1. A sensor data correction system , comprising:a standard motion mechanism unit for performing a standard motion of a wearable sensor;a determination unit calculating a relationship between first sensor data that is sensed by a first wearable sensor provided with the standard motion mechanism unit and second sensor data that is sensed by a second wearable sensor provided with the standard motion mechanism unit; anda correction unit correcting the first sensor data or the second sensor data, on the basis of the relationship that is calculated by the determination unit.2. The sensor data correction system according to claim 1 ,wherein the determination unit calculates properties of the first wearable sensor by using the first sensor data in an operation zone of the first wearable sensor, and calculates properties of the second wearable sensor by using the second sensor data in a zone corresponding to the operation zone, andthe correction unit performs correction, on the basis of the relationship that is calculated by the determination unit from the properties of the first wearable sensor and the properties of the second wearable sensor.3. A sensor data correction system claim 1 , comprising:a standard motion mechanism unit for performing a standard motion of a wearable sensor;a determination unit calculating a relationship between standard sensor data that is sensed by the wearable sensor provided with ...

APPARATUS AND METHOD FOR CALIBRATING BIO-INFORMATION ESTIMATION MODEL, AND APPARATUS FOR ESTIMATING BIO-INFORMATION

An apparatus for calibrating a bio-information estimation model is provided. The apparatus for calibrating a bio-information estimation model includes: a data obtainer configured to obtain at least one pulse wave signal; and a processor configured to extract a plurality of feature sets, each feature set including one or more features, from each of the at least one pulse wave signal, and configured to calibrate a bio-information estimation model based on a correlation distribution of the extracted plurality of feature sets. 1. An apparatus for calibrating a bio-information estimation model , the apparatus comprising:a data obtainer configured to obtain at least one pulse wave signal; anda processor configured to extract a plurality of feature sets from each of the at least one pulse wave signal, and to calibrate a bio-information estimation model based on a correlation distribution of the extracted plurality of feature sets with respect to reference bio-information, each feature set of the plurality of feature sets including one or more features.2. The apparatus of claim 1 , wherein the processor is further configured to obtain an individual correlation distribution between individual one or more features included in each of the plurality of feature sets and the reference bio-information.3. The apparatus of claim 2 , wherein the processor is further configured to combine one or more features of each of the plurality of feature sets based on the obtained individual correlation distribution claim 2 , and obtain a combined correlation distribution between the combined one or more features of each of the plurality of feature sets and the reference bio-information.4. The apparatus of claim 3 , wherein the processor is further configured to determine a weight for each of the one or more features of each of the plurality of feature sets based on the individual correlation distribution claim 3 , and combine the one or more features of each of the plurality of feature sets ...

BIOMECHANICAL INFORMATION DETERMINATION

Systems and methods of the present disclosure may include initializing a first plurality of inertial measurement units (IMUs) and a second plurality of IMUs, and attaching the first plurality of IMUs to a first segment of a subject and the second plurality of IMUs to a second segment of the subject. Such a method may also include obtaining data from the first plurality of IMUs and the second plurality of IMUs as the subject performs a motion, and determining an absolute position of the first segment and the second segment based on the data. 1. A method comprising:recording first initial orientation information of a first inertial measurement unit (IMU) placed in a first initialization position at a first initialization location;recording second initial orientation information of a second IMU placed in a second initialization position at a second initialization location;placing the first IMU on a first segment of a subject;placing the second IMU on a second segment of the subject, wherein the first segment and the second segment move relative to each other about a joint of the subject;recording first acceleration information output by the first IMU in a continuous manner after recordation of the first initial orientation information of the first IMU;recording second acceleration information output by the second IMU in a continuous manner after recordation of the second initial orientation information of the second IMU;determining a first absolute location of the first segment with respect to the first initialization location based on the first acceleration information and the first initial orientation information;determining a second absolute location of the second segment with respect to the second initialization location based on the second acceleration information and the second initial orientation information; anddetermining kinematics of the first segment and the second segment with respect to the joint based on the first absolute location and the second ...

Calibration Methods for a Bandage-Type Analyte Sensor

A flexible, body-mountable analyte sensing device includes a flexible substrate configured for mounting to skin of a living body. The sensing device additionally includes a sensor probe attached to the flexible substrate and configured to penetrate the skin such that a sensor disposed on the end of the sensor probe can be exposed to an analyte in interstitial fluid. The sensor could be an electrochemical sensor that includes two or more electrodes disposed at the end of the sensor probe and configured to electrochemically detect the analyte. The sensing device is configured to display detected concentrations or other information about the analyte in the interstitial fluid. The flexible substrate of the sensing device is configured to be adhered or otherwise mounted to the skin in a manner that minimally impacts activities of the living body. 1. A body-mountable device comprising:a flexible substrate, wherein the flexible substrate is configured to be mounted to a skin surface;a sensor configured to generate an electrical signal, wherein the electrical signal is related to a physiological property;an analog-to-digital converter, wherein the analog-to-digital converter is configured to receive the electrical signal generated by the sensor and to generate digital codes related to the received electrical signal, wherein the analog-to-digital converter is disposed on the flexible substrate; and obtaining calibration data;', 'operating the sensor to generate a plurality of samples of the electrical signal related to the physiological property;', 'operating the analog-to-digital converter to generate a plurality of digital codes corresponding to respective samples of the electrical signal generated by the sensor;', 'recording the generated plurality of digital codes;', 'determining that a trigger condition is met; and', 'determining, responsive to determining that the trigger condition is met, at least one value of the physiological property based on at least one recorded ...

Method and apparatus for insertion of a sensor

A device and method for delivering a device such as a sensor or fluid transport structure or a fluid transport structure sensor combination into, for example, mammalian skin. Such a device allows a sensor to penetrate mammalian skin without the use of an introducer device such as a needle. A device in accordance with embodiments of the present disclosure includes a housing for attachment to mammalian skin including an exit port for receiving the distal end of a biosensor and an injection activation device including a mechanism for forcing the sensing device from a first position within the housing, through the exit port to a second position, with sufficiently high velocity to partially penetrate the mammalian skin.