СИСТЕМА И СПОСОБ ПОЗИЦИОНИРОВАНИЯ ЭЛЕКТРОДОВ НА ТЕЛЕ ПАЦИЕНТА

Изобретение относится к медицинской технике, а именно к устройствам и способам для медицинских исследований, в частности ЭКГ и измерения биоимпеданса. Система позиционирования содержит систему захвата изображения для создания фактического изображения тела пациента, запоминающее устройство для хранения эталонного изображения, содержащего эталонное тело и эталонное положение на эталонном теле, систему обработки для определения положения электродов на теле пациента на основании эталонного положения на эталонном теле и индикаторную систему. Способ позиционирования заключается в использовании системы для захвата изображения для создания фактического изображения тела пациента, обеспечении эталонного изображения, сравнении фактического изображения и эталонного изображения для определения положения электрода на теле пациента на основании эталонного положения на эталонном теле и указании положения электрода на теле пациента. Использование изобретения позволяет человеку, не прошедшему медицинское ...

МЕДИЦИНСКАЯ СИСТЕМА

Изобретение относится к медицинской технике, а именно к медицинской системе для проникновения в анатомическую структуру пациента, которая содержит ткани с разными способностями проводить электрический ток. Система содержит корпус, первый и второй электроды, электрический генератор и устройство обработки. Корпус выполнен с возможностью проникновения в анатомическую структуру и имеет наружную поверхность. Первый электрод содержит первую контактную поверхность на наружной поверхности корпуса для вхождения в контакт с тканями анатомической структуры. Второй электрод содержит вторую контактную поверхность на наружной поверхности корпуса для вхождения в контакт с тканями анатомической структуры на расстоянии от первой контактной поверхности. Электрический генератор выполнен с возможностью подачи электрического тока между первой и второй контактными поверхностями. Устройство обработки выполнено с возможностью определять электрическую характеристику, отображающую способность ткани анатомической ...

ПРИБОР ДЛЯ ИЗМЕРЕНИЯ СОСТАВА ТЕЛА

Изобретение относится к медицинской технике, а именно к приборам для измерения состава тела. Прибор содержит средство измерения биоэлектрического сопротивления, средство измерения веса, средство ввода персональных физиологических данных, средства запоминания и вычисления значений состава тела, соединенные со средствами коммуникации для передачи результатов. Средство вычисления имеет средство сравнения, осуществляющее сравнение между последними измеренными значениями двух разных параметров состава тела человека и предыдущими значениями этих параметров, измеренными для этого же человека. При этом средства коммуникации включают устройство графической или световой индикации, содержащее центральную зону и, по меньшей мере, одну периферическую зону индикации. Средство вычисления снабжено средством анализа двух результатов, поступающих от средства сравнения, для передачи на средства коммуникации одного сообщения, отображающего совместное изменение этих двух параметров либо путем освещения центральной ...

СПОСОБ РЕГИОНАЛЬНОЙ БИОИМПЕДАНСОМЕТРИИ И УСТРОЙСТВО ДЛЯ ЕГО ОСУЩЕСТВЛЕНИЯ

Изобретение относится к медицинской диагностике, использующей в качестве зондирующего сигнала переменный ток. Согласно способу производят измерение общего падения напряжения на организме, пропорционального импедансу, и на его составных частях, а импеданс исследуемого региона получают из их разности. Устройство содержит токовые электроды 1 и 2, потенциальные региональные электроды 6 и 7, потенциальные периферические электроды 8 и 9, коммутатор 15, детектор 16, аналого-цифровой преобразователь 17, блок 18 обработки и индикации и делитель напряжения. 2 с. и 3 з. п. ф-лы, 3 ил.

ИНДИВИДУАЛЬНЫЕ ВЕСЫ

... 1. Индивидуальные весы (1), содержащие, по меньшей мере, одно основание (3), встроенный в основание (3) динамометрический элемент (2), воздействующую на динамометрический элемент (2) взвешивающую пластину (4.а) весов и индикатор (5) для отображения, по меньшей мере, измеренного динамометрическим элементом (2) веса, отличающиеся тем, что предусмотрено, по меньшей мере, одно крепление (24), позволяющее пользователю снимать взвешивающую пластину (4.а) и заменять ее другой взвешивающей пластиной (4.b). ! 2. Индивидуальные весы (1) по п.1, отличающиеся тем, что предусмотрено, по меньшей мере, два, а предпочтительно - четыре основания (3а, 3b, …). ! 3. Индивидуальные весы (1) по п.2, отличающиеся тем, что предусмотрена несущая конструкция (16) для крепления основания (оснований) (3; 3а, 3b, …). ! 4. Индивидуальные весы (1) по п.1, отличающиеся тем, что индивидуальные весы (1) содержат запоминающий блок (6), хранящий информацию, позволяющую соотнести конкретную взвешивающую пластину (4.а; 4.b) ...

ПРИБОР ДЛЯ ИЗМЕРЕНИЯ СОСТАВА ТЕЛА ДЛЯ РАСПОЗНАВАНИЯ ИЗМЕНЕНИЯ В СОСТАВЕ ТЕЛА

... 1. Прибор для измерения состава тела, содержащий ! множество электродов (E11 - E14, E21 - E24), контактирующих с поверхностью тела пользователя, ! первый вычислительный блок (121) для вычисления состава тела пользователя с использованием электродов, ! секция (14) хранения для хранения информации об опорном значении, связанном с предыдущим составом тела пользователя, ! блок (122) управления отображением для осуществления управления отображением позиции состава тела на данный момент и позиции опорного значения, вычисленной первым вычислительным блоком на предварительно определенной диаграмме, и ! секция (15) отображения для осуществления отображения, соответствующего выходу блока управления отображением, причем ! позиция опорного значения является предварительно определенной фиксированной позицией на предварительно определенной диаграмме, !опорное значение соответствует составу тела, вычисленному первым вычислительным блоком в конкретный момент времени в прошлом, ! блок управления отображением ...

СИСТЕМА КОНТРОЛЯ СОСТАВА И ОБЪЕМОВ ТЕЛА ДЛЯ ФОРМИРОВАНИЯ ОЗДОРОВИТЕЛЬНЫХ МЕРОПРИЯТИЙ И ПРОГРАММ ПИТАНИЯ

Изобретение относится к медицинской технике, а именно к системе контроля состава и объемов тела для формирования оздоровительных мероприятий и программ питания. Система включает в себя электронный модуль. В электронном модуле заложен программный продукт. Электронный модуль связан беспроводной связью с мобильным блоком. Мобильный блок оснащен электродами. Мобильный блок выполнен в виде платформы с возможностью вращения, посредством привода, оснащен 3D сканером и блоком биоимпеданса. Электроды для ног установлены на платформе. Электроды для рук выполнены для размещения спереди или сзади пациента. Системный блок имеет возможность контакта с осветителями и камерами. Достигается получение максимально точных данных, включая данные 3D сканера, состояния тела человека и его опорно-двигательной системы с интерпретацией выявленных отклонений, для выработки рекомендаций коррекции питания, физической активности и оценки их эффективности в динамике. 2 ил.

ИЗМЕРИТЕЛЬ ВЛАГИ И ИЗМЕРИТЕЛЬ ВЛАГИ ТЕЛА

... 1. Измеритель влаги для измерения влагосодержания пациента, содержащий:измерительный блок для измерения влаги, удерживаемый подмышкой пациента, для измерения количества влаги пациента при нахождении в контакте с поверхностью кожи подмышки;измерительный блок для измерения температуры и влажности окружающей среды пациента ивычислительный блок, который получает количество влаги пациента от измерительного блока для измерения влаги, задает значение температуры по шаровому влажному термометру (WBGT) из соотношения между температурой и влажностью от измерительного блока и определяет показатель риска теплового удара путем обращения к таблице соотношений между количеством влаги пациента и значением температуры по шаровому влажному термометру (WBGT).2. Измеритель по п.1, содержащий:основной корпусный блок;крепежный блок для прикрепления измерительного блока, который размещен на одном конце основного корпусного блока, удерживает измерительный блок для измерения влаги и вставлен посередине подмышки ...

МЕДИЦИНСКАЯ СИСТЕМА

УСТРОЙСТВО ИЗМЕРЕНИЯ ЖИРА ТЕЛА

... 1. Устройство измерения жира тела, содержащее: ! блок (100) присоединения к телу для измерения биоэлектрического импеданса, включающий в себя множество электродов (113), в присоединенном состоянии установленных в контакте с телом субъекта; ! участок (12) измерения импеданса для измерения биоэлектрического импеданса субъекта, используя множество электродов (113); и ! участок (13) вычисления массы жира тела для вычисления массы жира тела субъекта на основе биоэлектрического импеданса, измеренного участком (12) измерения импеданса; в котором ! блок (100) присоединения к телу для измерения биоэлектрического импеданса включает в себя опору (110) для электродов для поддержки множества электродов (113) и длинный ремень (140), который в присоединенном состоянии должен быть обернут вокруг тела субъекта, чтобы присоединить опору (110) для электродов к телу субъекта; ! ремень (140) включает в себя, по меньшей мере, в одной части растягивающуюся область (143), которая растягивается в направлении длины ...

Tiergesundheitsüberwachungssystem

Personenwaage

Die vorliegende Erfindung betrifft eine Personenwaage (1) mit einer Auftrittsfläche (2), auf welche sich die zu wiegende Person stellt. Erfindungswesentlich ist dabei, dass die Auftrittsfläche (2) eine mittige Erhebung (3) aufweist, die als haptische Orientierung zum Auffinden der richtigen Standposition dient.

Bio-electrical resistance measuring device for e.g. head, has evaluation platform determining numerical value of internal parts of head and trunk using numerical values of internal parts of body parts

The device has a measurement device (40) including a central unit (42) and an evaluation platform (41). A modular data base (410) of the platform is connected with the central unit. The central unit has an input device (44) and an output device (45). The platform selects a modular group in the modular data base according to measurement of number of internal parts of body parts of the person and input of the personal data. The evaluation platform determines a numerical value of internal parts of head and trunk using the numerical values of the internal parts of the body parts. An independent claim is also included for a method for measuring bio-electrical resistance of human body parts.

GERÄT ZUM MESSEN DER KÖRPERFETTSCHICHT

Personal body fat measurement scales use the same electrodes for current supply to the body and voltage measurement across the body, simplifying design and construction of the scales

Body fat measurement scales have electrodes (3, 4) in the positions in which a bare-footed person stands on the scales. The electrodes are used both for current supply to the body and also for voltage measurement. In addition the scales have a weighing mechanism (6), and an analysis device (9) for determination of the user's body fat from current, voltage and weight measurements. Contact to the feet can be improved by use of projections or shaping of the electrodes.

VISKERALES FETTMESSGERÄT

Verfahren und Vorrichtung zur Vorhersage von einem oder mehreren für den Ausgang einer Blutbehandlung charakteristischen Parametern

Die vorliegende Erfindung betrifft ein Verfahren und eine Vorrichtung zur Vorhersage von einem oder mehreren für den Ausgang einer Blutbehandlung charakteristischen Parametern, wobei es sich bei der Blutbehandlung um eine Behandlung handelt, bei der dem Blut des Patienten über wenigstens eine Membran Flüssigkeit entzogen wird, wobei es sich bei den Parametern um das erlaubte Trinkvolumen, die Über- oder Unterwässerung des Patienten, die Clearance großer Moleküle und/oder um die erlaubte Salzaufnahme handelt, wobei die Vorhersage des erlaubten Trinkvolumens sowie die Vorhersage der Über- oder Unterwässerung basierend auf der geplanten Gewichtsabnahme durch Ultrafiltration, der Trinkmenge während der Behandlung, des Rinseback-Volumens und von Rest-Diurese-Daten vorgenommen wird und/oder wobei die Vorhersage der Clearance großer Moleküle basierend auf der Harnstoff-Clearance vorgenommen wird und/oder wobei die Vorhersage der erlaubten Salzaufnahme basierend auf der durch Ultrafiltration sowie ...

TRAGBARES SENSORSYSTEM MIT MESSPFLASTER

Die Erfindung betrifft ein tragbares System (S) zur Messung und Überwachung physiologischer Parameter eines Menschen mittels Analyse einer seiner Körperflüssigkeiten, wobei das System (S) folgendes umfasst:- ein Verbrauchsteil (100) in Form eines Messpflasters zum Aufkleben auf die Haut (E), wobei das Messpflaster mit Sensorik (102) ausgestattet ist, die dazu eingerichtet ist, durch Körperflüssigkeitsanalyse Messwerte physiologischer Parameter zu liefern; und- eine am Körper tragbare und zum Dauereinsatz geeignete Ausleseeinheit (200), die dazu eingerichtet ist, die von der Sensorik (102) des Messpflasters gelieferten Messwerte auszulesen und zu überwachen. Die Ausleseeinheit (200) ist ferner dazu eingerichtet, über dem auf der Haut (E) aufgeklebten Messpflaster (100) getragen zu werden und in dieser Position die Messwerte auszulesen und zu überwachen.

SYSTEM FÜR DIE UEBERWACHUNG DER GESUNDHEIT, DES WOHLBEFINDENS UND DER KONDITION

Messgerät für physikalische Kenngrössen mit vereinfachter Anordnung und Displayerkennung

Sensor transduction

Method for monitoring of blood components

Analytic methods of tissue evaluation

Measurement of susceptibility to diabetic foot ulcers

An apparatus for treating a diabetic foot ulcer comprises a plurality of sub-epidermal moisture (SEM) sensors disposed on a flexible substrate for measuring SEM values of a patient’s skin, two electrodes detect conductive contact with the patient’s skin during an SEM measurement period and apply a therapeutic stimulus during a therapeutic phase. The apparatus may be integrated into the lining of a garment, a shoe or bed clothing, and may include an absorbent pad and a layer of adhesive.

Sensor

Strategic treatment of pressure ulcer using sub-epidermal moisture values

Bisymmetric comparison of sub-epidermal moisture values

Detection of tissue damage

Strategic treatment of pressure ulcer using sub-epidermal moisture values

DETERMINATION OF THE HYDRATION CONDITION OF A PATIENT

BODY FAT MEASURING INSTRUMENT

DEVICE FOR MEASURING FABRIC EDEMA

MEDICAL MECHANISM WITH AN IMPEDANCE MEASURING INSTRUMENT FOR THE MEASUREMENT OF VISZERALEM FAT

SYSTEM AND PROCEDURE FOR THE POSITIONING OF ELECTRODES ON THE BODY OF A PATIENT

GERÄT ZUR MESSUNG VON HERZ- UND GEFÄSSFUNKTION (FUNCTION) UND KÖRPERRÄUMEN (SPACES) MIT HILFE DER IMPEDANZMESSUNG

At an electric instrument used for the measurement of heart- and vascular function as well as body spaces, which is based on impedance measurement, the position of the electrodes, body volume and the volume of the segments located between the electrodes are measured with the help of a contactless measuring apparatus. The instrument comprises a plurality of electrodes capable of being attached to a body, a reference surface on which the body may be placed, and an electrical impedance meter capable of measuring the bodily functions of the body by measuring the electrical impedance and estimating the shape of the body by locating the electrodes attached to the body with reference to the reference surface, wherein the measured electrical impedance is associated with the estimated shape of the body segment.

EQUIPMENT FOR THE MONITORING OF THE FABRIC LIQUID CONTENT FOR USE IN A IMPLANTIERABREN A HEART DEVICE

DEVICE FOR WEIGHING

GERÄT ZUR MESSUNG VON HERZ- UND GEFÄSSFUNKTION (FUNCTION) UND KÖRPERRÄUMEN (SPACES) MIT HILFE DER IMPEDANZMESSUNG

Measurement of total body volume or its segments distinctly improves interpretation of measured electrical parameters, above all when electrical measurements are taken at several frequencies and in more than one direction (e.g. longitudinally and transversely) in approximately cylindrical segments. A remote measuring device is used for recording body surface along with a measuring carriage (15). An independent claim is also included for a method for electrical measurement of body functions and conditions ...

SYSTEM FOR THE MONITORING OF THE HEALTH, THE WELL-BEING AND THE CONDITION

Vorrichtung für die Ermittlung des Zustandes der Haut einer Person

The invention relates to a device for determining the state of a persons' skin and is characterized in that, as a flat sheet that can be applied to the skin (9) and can be secured flat thereon, it has a self-adhesive film, in particular skin plaster flat sheet (1) made of a non-conductive film adapting the skin topography, which film has a window-like recess (2) passing transversely through it, in particular for direct application of a cosmetic or medical formulation (91) from outside (as) onto the skin (9), wherein at least two contact electrodes (3; 3') are arranged as sensors on the skin side (hs) of the film, in particular of the skin plaster flat sheet, and can be applied to the skin, in that the electrodes are further connected to an impedance and resistance and/or capacitance measurement unit (5) via a voltage supply unit (4) that can be supplied with current by means of NFC technology, from which a preferably passive communications unit (6) with an antenna loop (7) issuing from ...

DIAGNOSTIC FACILITY DIAGNOSTIC FACILITY

BODY FAT CONTROL INSTRUMENT

Detection of tissue damage

Methods and apparatus for detection of tissue damage in patients using a medical device for an extended period of time are disclosed.

Use of electrochemical impedance spectroscopy (EIS) in continuous glucose monitoring

USE OF ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY (EIS) IN CONTINUOUS GLUCOSE MONITORING A method of performing diagnostics on a subcutaneous or implanted sensor having at least one working electrode, comprising: defining a vector containing values associated with one or more electrochemical impedance spectroscopy (EIS)-based parameters and values associated with one or more non-EIS-based parameters; defining a respective threshold value for each of said EIS based parameters and each of said non-EIS-based parameters; performing a first EIS procedure to generate a first set of data for said values associated with the one or more EIS-based parameters; after a calculated time interval, performing a second EIS procedure to generate a second set of data for said values associated with the one or more EIS-based parameters; updating the vector with said first and second sets of data; and monitoring said vector values to determine whether the sensor has lost sensitivity.

Measurement of tissue viability

The present disclosure provides apparatuses and methods for measuring sub-epidermal moisture as an indication of tissue viability and providing information regarding the location of a boundary of non-viable tissue.

Bisymmetric comparison of sub-epidermal moisture values

The present disclosure provides apparatuses and methods for measuring sub-epidermal moisture at bisymmetric locations on patients to identify damaged tissue for clinical intervention.

HIGH RESOLUTION BIO-IMPEDANCE DEVICE

Monitoring system

Measurement apparatus

A method for determining biological indicators, the method including, in a processing system causing at least one radiation attenuation measurement to be performed and determining at least one first biological indicator using determined radiation attenuation. In addition to this, method includes causing at least one impedance measurement to be performed and determining at least one second biological indicator using a determined impedance measurement.

HANDLE STRUCTURE FOR HEALTH EXERCISE APPARATUS TO ENABLE MEASUREMENT OF PHYSICAL HEALTH INFORMATION DURING EXERCISE

Visceral adipose meter with body weighing function

Electromagnetic sensors for biological tissue applications

BIOELECTRIC IMPEDANCE MEASUREMENT UNIT

Application of electrochemical impedance spectroscopy in sensor systems, devices, and related methods

A diagnostic Electrochemical Impedance Spectroscopy (EIS) procedure is applied to measure values of impedance-related parameters for one or more sensing electrodes. The parameters may include real impedance, imaginary impedance, impedance magnitude, and/or phase angle. The measured values of the impedance-related parameters are then used in performing sensor diagnostics, calculating a highly-reliable fused sensor glucose value based on signals from a plurality of redundant sensing electrodes, calibrating sensors, detecting interferents within close proximity of one or more sensing electrodes, and testing surface area characteristics of electroplated electrodes. Advantageously, impedance-related parameters can be defined that are substantially glucose-independent over specific ranges of frequencies. An Application Specific Integrated Circuit (ASIC) enables implementation of the ElS-based diagnostics, fusion algorithms, and other processes based on measurement of ElS-based parameters.

System for recording measured values in or on an organism, and method for producing a component of this system

Computer mouse system and associated, computer medium and computer-implemented methods for monitoring and improving health and productivity of employees

Provided are embodiments of systems, computer medium and computer-implemented methods for sensing health characteristics of a user using a computer mouse including, a temperature sensor, a blood condition sensor and a blood pressure sensor. A method for sensing health characteristics of a user using a computer mouse including receiving, from the temperature sensor, temperature data corresponding to a sensed body temperature of the user, receiving, from the blood condition sensor, blood condition data corresponding to a sensed blood saturation level of the user, receiving, from the blood pressure sensor, blood pressure data corresponding to a sensed blood pressure of the user, and transmitting, to the computer workstation, health data corresponding to the temperature data, the blood condition data, and the blood pressure data for use in determining the body temperature, the blood saturation level, and the blood pressure of the user.

System and method of assessing endothelial function

A medical diagnostic system and method for assessing endothelial function comprise adjusting a reactive hyperemia indicator, measured in response to a stimulus, based on an anthropomorphic and/or demographic variable. The adjusted reactive hyperemia indicator provides a more accurate reflection of endothelial function and can be communicated to a clinician.

Spinal implant system and method

A spinal implant includes an implant body including a first endplate and a second endplate. A plurality of electrodes include at least one electrode disposed with the first endplate and at least one electrode disposed with the second endplate such that the electrodes conduct an electric current to stimulate tissue growth adjacent the implant body. Systems, surgical instruments and methods are disclosed.

Method of predicting body composition in prepubertal children infected with human immunodeficiency virus

Exercise load measuring instrument with body fat measuring function

Impedance measurements of bodily matter

DISTRIBUTED EXTERNAL AND INTERNAL WIRELESS SENSOR SYSTEMS FOR CHARACTERIZATION OF SURFACE AND SUBSURFACE BIOMEDICAL STRUCTURE AND CONDITION

Systems and methods are disclosed that use wireless coupling of energy for operation of both external and internal devices, including external sensor arrays and implantable devices. The signals conveyed may be electronic, optical, acoustic, biomechanical, and others to provide in situ sensing and monitoring of internal anatomies and implants using a wireless, biocompatible electromagnetic powered sensor systems.

METHOD AND APPARATUS FOR NON-INVASIVE ANALYSING THE STRUCTURE AND CHEMICAL COMPOSITION OF BONE TISSUE ELIMINATING THE INFLUENCE OF SURROUNDING TISSUES

A method and apparatus for non- invasive analysing the structure and chemical composition of bone tissue eliminating the influence of surrounding tissues, is provided. The method consists in using a system of at least four electrodes (1, 2, 3, 4, 5, 6, 7, 8) placed in electrical contact with tissues surrounding the analysed bone, preferably a long bone to establish screening potential distribution using screening electrodes (7, 8). Measuring current injecting electrodes (1, 2) are used to force the measuring current flow through the internal part of the analysed bone. At the same time the screening electrodes (7, 8) reduce the measuring current flow through the tissues surrounding the analysed bone almost to zero. Then measuring current and potential at the measuring current injecting electrodes (1, 2) as well as phase difference between potential at measuring current injecting electrodes (1, 2) and measuring current are measured. On the basis of measured electrical values the structure ...

SYSTEM FOR MONITORING HEALTH, WELLNESS AND FITNESS

A detecting, monitoring and reporting system includes a sensor device which generates data indicative of at least one activity, GSR and heat flow of an individual and data derived therefrom when placed in proximity with the body. A remote central monitoring unit generates analytical status data from this data and analytical status data that has previously been generated. A data storage device stores the data received and generated by the central monitoring unit. The system includes means for establishing electronic communication between the sensor device and the central monitoring unit, and means for transmitting the data to a recipient. The sensor device may also generate data indicative of contextual parameters of the individual, which may then be used when generating the analytical status data. The system may be used for monitoring and providing feedback relating to the degree to which an individual has followed a suggested routine.

NON-INVASIVE MONITORING OF PHYSIOLOGICAL PARAMETERS

A non-invasive diagnostic physiological monitoring system for mammals, particularly humans is disclosed. The system includes: at least two surface contact electrodes; means for holding the electrodes in contact with an exterior surface of a mammal; means for pairing the electrodes; an electronic block coupled to at least one of the pairings wherein the block includes a transmitter for transmitting a predetermined electrical signal to a first pair of electrodes in the pairing, and a detector for detecting electrical impedance characteristics on the first pair of electrodes or on a second pair of electrodes in the pairing; and a signal processor coupled to the detector wherein the electrical impedance characteristics are divided into at least two groups by frequency. According to the preferred embodiment the electrodes paired by the means for pairing are less than 15 cm distant from one another. Furthermore, the preferred system's electrical impedance characteristics are divided into three ...

PHYSIOLOGICAL MONITORING USING WRIST-MOUNTED DEVICE

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

DETECTION OF FLUIDS IN TISSUE

A method of detecting a change (that is, an increase or a decrease) in the level of fluid in tissue in a first area of a body includes the steps of: applying electromagnetic energy, preferably in the frequency range of approximately 300 MHz to approximately 30 GHz, to a first volume of the body; measuring a resultant or returned signal; comparing the signal to a reference signal to determine if the fluid level in the tissue has changed. In one embodiment, the method detects changes in the level of fluid in tissue of a body by applying electromagnetic energy to a first volume of the body over a period of time (for example, using an antenna or antennae); measuring a resultant signal or a signal returned from the tissue; and comparing the signal to a reference signal to determine if a level of fluid in the tissue has changed during the period of time.

SEM TREND ANALYSIS

The present disclosure provides for, and includes, a method of detecting tissue damage before it is visible on a patient's skin, comprising: measuring a plurality of sub-epidermal moisture (SEM) values at a single location at incremental times, calculating a slope between the latest SEM value and the immediately prior SEM value, comparing this slope to a threshold value, and determining that there is tissue damage if the slope exceeds the threshold value.

CONFIRMATION OF CATHETER PLACEMENT WITHIN A VEIN

A catheter system may include a catheter adapter, which may include a distal end and a proximal end. The catheter system may include a catheter, which may include a distal end, a proximal end, a catheter lumen extending through the distal end of the catheter and the proximal end of the catheter, and an inner surface forming the catheter lumen. The catheter may extend distally from the distal end of the catheter adapter. The distal end of the catheter may include one or more holes. The distal end of the catheter may include one or more channels. The holes and/or the channels may facilitate visualization of blood flashback indicating the catheter is disposed within a vein of a patient.

USE OF ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY (EIS) IN CONTINUOUS GLUCOSE MONITORING

METHODS, SYSTEMS, AND DEVICES FOR SENSOR FUSION

A single, optimal, fused sensor glucose value may be calculated based on respective sensor glucose values of a plurality of redundant working electrodes (WEs) of a glucose sensor. Respective electrochemical impedance spectroscopy (EIS) procedures may be performed for each of the WEs to obtain values of membrane resistance (Rmem) for each WE. A noise value and a calibration factor (CF) value may be calculated for each WE, and respective fusion weights may be calculated for Rmem, noise, and CF for each WE. An overall fusion weight may then be calculated based on the WE' s Rmem fusion weight, noise fusion weight, and CF fusion weight, such that a single, optimal, fused sensor glucose value may be calculated based on the respective overall fusion weight and sensor glucose value of each of the plurality of redundant working electrodes.

THREE-DIMENSIONAL, DIGITIZED SENSING OF THE SPATIAL SHAPE OF BODIES AND BODY PARTS WITH MECHANICALLY POSITIONED IMAGING SENSORS

There is described a photogrammetric method and an arrangement for the three-dimensional digitizing of bodies and body parts (26) which are covered with a marked, elastic cover (14), which comprises high-contrast marks which are photogrammetrically analysable, and which are photographed from different shooting positions. For the purpose, at least one camera (22) is moved around the body with a simple, inaccurate guide and images overlapping each other are taken from different positions in space to cover both the body and several of the marks (10) of the support (12). Methods of photogrammetry as well as digital image processing and pattern recognition provide precise space coordinates of the body to be digitized. One exemplary application is the digitizing of the foot/lower leg portion for the selection or custom manufacture of anatomically well-fitting footwear, the digitizing of the leg portion for the manufacture or selection of well-fitting compression stockings.

METHOD AND SYSTEM FOR DETERMINING FRESHNESS AND PALATABILITYAND ASSESSING ORGAN VITALITY

A method and system to determine freshness and palatability (tenderness, juiciness, and flavor) of live foodstuffs (meat, fish, fowl, fruit and vegetables) including the steps of; utilizing bioelectrical impedance analysis in a biological subject model for measurement and composition analysis; and a system of using the results of the utilizing step procedure to illustrate an objective scale of palatability; a 'Palatability Index'. Also a method of whole body and regional organ and tissue vitality assessment in a biological entity, human, animal, fruit or vegetable, including the steps of: utilizing bioelectric impedance analysis in a biological model for composition analysis; and using the results of the utilizing step to provide an objective assessment of volume and distribution of fluid and tissues, and electrical health of cells and membranes of the organ or tissue.

VISCERAL FAT METER HAVING PACE COUNTING FUNCTION

A device is provided which is capable of determining an amount of exercise involved in walking a like exercise as well as of obtaining quantitative information about visceral fat in the abdominal part of a subject and which can be used handily as carried with the subject every day. The visceral fat determining device with a step counting function is configured as follows. The visceral fat determining device has a step counting means for counting the number of steps involved in exercise such as walking done by a subject and a main body shaped portable. When body data of the subject such as the waist size of the subject is inputted to the visceral fat determining device through a manipulation section, the visceral fat determining device is capable of performing a computation of the body data based on a predetermined computing formula for obtaining quantitative information about the abdominal visceral fat of the subject.

DETECTION AND ANALYSIS OF SPATIALLY VARYING FLUID LEVELS USING MAGNETIC SIGNALS

A device for detecting spatial differences in fluid level changes in a tissue of a patient may include a support structure for securing the device to a body part of the patient, a processing element operably connected to the support structure, a wireless networking interface operably connected to the support structure and in communication with the processing element and an external computing device via a network, a first transmission module operably connected to the support structure and in communication with the processing element, a second transmission module and a third transmission module operably connected to the support structure and in communication with the processing element. When activated, the first transmission module transmits a first time varying magnetic field through the tissue of the patient. The second and third transmission modules, which are spatially separated from one another, receive first and second versions, respectively, of the first time varying magnetic field ...

HEALTH MONITORING SYSTEM

The present invention relates to a health monitoring system comprising an implantable sensor configured to measure impedance within a body tissue of the subject resulting from an electrical current flowing through said body tissue, wherein the body tissue is sub-dermal or subcutaneous tissue of said subject, the sensor including a powering and communication circuit having a coil configured to be powered by an electromagnetic field and to communicate with external devices. Further, the system comprises a reader module including a coil configured to produce the electromagnetic field for powering the powering and communication circuit and for communicating with the powering and communication circuit, a computing device comprising a display device, a processing device and at least one storage device, the computing device being configured to communicate with other devices via at least one wireless network and a monitoring engine for determining or monitoring at least one physiological parameter ...

APPARATUS, SYSTEM, AND METHOD TO ADAPTIVELY OPTIMIZE POWER DISSIPATION AND BROADCAST POWER IN A POWER SOURCE FOR A COMMUNICATION DEVICE

Provided is an apparatus, system, and method for stabilizing battery voltage of a battery device while optimizing power delivered to a receiver during communication of a broadcast packet. A logic circuit is configured to receive a broadcast packet having a predetermined number of bits for communication by a controller to a receiver located remotely from the controller, determine a number of cycles in which a sampled battery voltage is either greater than or less than or equal to a nominal battery voltage over a first subset of the predetermined number of bits of the broadcast packet and performs either a tune-up or a tune-down procedure based on the number of cycles counted in which the sampled battery voltage is not equal to the nominal battery voltage for more than one half of a total number of cycles counted.

DEVICES FOR INTEGRATED, REPEATED, PROLONGED, AND/OR RELIABLE SWEAT STIMULATION AND BIOSENSING

A sweat sensing device (28) includes a plurality of sweat collection pads (40, 42, and 44) communicating with a sensor (36). Each of the pads (40, 42, and 44) is activated by electronics (34) that include a timing circuit which allows one or more of the pads (40, 42, and 44) to be activated at a selected time and subsequent deactivated after a defined period of time. This allows for selective collection of sweat from a plurality of pads over a prolonged period of time. Further, the devices can use a common microfluidic device (38) which both transports sweat activating substance, such as pilocarpine, to the surface of the skin (12) and directs sweat away from the skin (12) to a sensing device (28).

EPIDERMAL DEVICES FOR ANALYSIS OF TEMPERATURE AND THERMAL TRANSPORT CHARACTERISTICS

Tissue-mounted devices and methods for monitoring a thermal transport property (e.g., thermal conductivity, thermal diffusivity, heat capacity) of tissue, such as skin, are disclosed. The devices conformally mount to the tissue and comprise one or more thermal actuators and a plurality of sensors. The actuator applies heat to the tissue and the sensors detect a spatio temporal distribution of a physiological tissue parameter or physical property resulting from the heating. This spatio temporal information may be correlated with a rate, velocity and/or direction of blood flow, the presence of a vascular occlusion, circulation changes due to inflammation, hydration level and other physiological parameters.

DEVICE FOR MONITORING FOR EFFECTIVENESS OF HEART FAILURE THERAPY

A step-on device records the patient's EKG, Respiratory signal, PPG, and weight, giving health care personnel the ability to monitor patient health trends. The device sends the data to a central server via a smartphone or via WiFi. Health care personnel may view the data and trends on an online website or app.

SYSTEM AND METHOD FOR MONITORING BIOIMPEDANCE AND RESPIRATION

A method of treating tissue is provided, including positioning a portion of a catheter in proximity to cardiac tissue; measuring an impedance value with the catheter; determining a respiratory rate based at least in part on the measured impedance value; and thermally treating the cardiac tissue with the catheter.

NON-INVASIVE SENSOR FOR DETERMINING FUNCTIONAL CHARACTERISTICS OF THE CORNEA, DEVICE INCLUDING SAID SENSOR AND USE THEREOF

The invention relates to a sensor and a device including said sensor for non-invasively obtaining data that can be used to determine the functional characteristics of the cornea, in particular to establish a correlation between the impedance to different frequencies and the permeability of the endothelium and the epithelium and the hydration level of the stroma.

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.

APPLICATION OF ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY IN SENSOR SYSTEMS, DEVICES, AND RELATED METHODS

A diagnostic Electrochemical Impedance Spectroscopy (EIS) procedure is applied to measure values of impedance-related parameters for one or more sensing electrodes. The parameters may include real impedance, imaginary impedance, impedance magnitude, and/or phase angle. The measured values of the impedance-related parameters are then used in performing sensor diagnostics, calculating a highly-reliable fused sensor glucose value based on signals from a plurality of redundant sensing electrodes, calibrating sensors, detecting interferents within close proximity of one or more sensing electrodes, and testing surface area characteristics of electroplated electrodes. Advantageously, impedance-related parameters can be defined that are substantially glucose-independent over specific ranges of frequencies. An Application Specific Integrated Circuit (ASIC) enables implementation of the ElS-based diagnostics, fusion algorithms, and other processes based on measurement of ElS-based parameters.

SYSTEM FOR BODY IMPEDANCE DATA ACQUISITION AND MULTIPLE FREQUENCY IMPEDANCE

The unique system of the present invention provides an accurate valid measurement of human body composition consisting of fat tissue, ?ean tissue and body water. The inventive methodology provides a procedure for quantitative measurement of the conductive potential of the body, which is based on the lean tissue content of the body, in a convenient and reliable manner. In more detail, the quantitative measurement in accordance with the present invention is referred to as a "bio-impedance signal". This electrical signal, in ohms, is derived from a means for measuring body impedance component of the system. The resultant signal (three digit number, between 1 and 1,000 ohms) is then entered into a modifying means component to accurately predict the body composition of the tested individual. The unique modifying component, in one embodied form, comprises prediction formulas derived from biological data inputs including: a patient's height, weight, age, and sex to determine a "population prediction ...

Procédé pour la détermination des impédances individuelles du contenu intracellulaire et extra-cellulaire d'un organisme vivant et appareil pour sa mise en oeuvre

Portable device and method for determining and subjective display of a time period.

Montre ou autre dispositif portable (1) sur le corps pour la détermination et l’affichage d’une durée subjective perçue par un utilisateur, comportant: un ou plusieurs capteurs (2) générant au moins un signal de mesure, un indicateur permettant de représenter une durée; un processeur (3) traitant ledit signal de mesure et commandant ledit indicateur, une mémoire informatique stockant un module informatique exécutable par ledit processeur afin de commander ledit indicateur (5) pour indiquer la durée subjective d’un intervalle temporel, en sorte que ladite durée subjective soit plus longue que la durée effective de cet intervalle lorsque ledit utilisateur a l’impression que le temps s’écoule lentement pendant ledit intervalle, et plus courte que la durée effective de cet intervalle lorsque ledit utilisateur a l’impression que le temps s’écoule rapidement pendant ledit intervalle, ledit module informatique étant basé sur un système d’apprentissage automatique afin de déterminer ladite durée ...

Hautzustandsanalysesystem.

Es wird ein Hautzustandsanalysesystem bereitgestellt, welches ein Mobilgerät und eine Objektivoptimierungskomponent (1) umfasst, wobei das Mobilgerät eine Kamera, eine Bildgebungseinheit und eine Interpretationssoftware umfasst, wobei die Objektivoptimierungskomponente (1) die Kamera des Mobilgeräts abdeckt, wobei die Objektivoptimierungskomponent (1) ein Lichtquellenmodul und ein elektrisches Impedanzdetektionsmodul aufweist, wobei das Lichtquellenmodul zur Bereitstellung einer Weißlicht- oder UV- Lichtquelle beim Fotografieren dient, wobei das Impedanzdetektionsmodul zur Fett- und Feuchtigkeitsgehaltsanalyse dient. Wenn die Objektivoptimierungskomponente (1) zusammen mit der Kamera des Mobilgeräts zum Fotografieren menschlicher Haut verwendet wird, beleuchtet die durch das Lichtquellenmodul der Objektivoptimierungskomponente (1) bereitgestellte Lichtquelle die Haut und es wird ein der Haut entsprechendes Bild in der Bildgebungseinheit erzeugt. Anschließend wird das Bild auf dem Mobilgerät ...

Hautdetektionssystem.

Ein Hautdetektionssystem umfasst ein Mobilgerät und eine Objektivoptimierungskomponente (1), wobei das Mobilgerät eine Kamera, eine Bildgebungseinheit und eine Interpretationssoftware umfasst, wobei die Objektivoptimierungskomponente (1) die Kamera des Mobilgeräts abdeckt, wobei die Objektivoptimierungskomponente (1) ein Lichtquellenmodul und ein elektrisches Impedanzdetektionsmodul aufweist, wobei das Lichtquellenmodul zur Bereitstellung der erforderlichen Lichtquelle beim Fotografieren mit der Objektivoptimierungskomponente (1) dient, wobei das Impedanzdetektionsmodul zur Fett- und Feuchtigkeitsgehaltsanalyse dient. Wenn die Objektivoptimierungskomponente (1) zusammen mit der Kamera des Mobilgeräts zum Fotografieren menschlicher Haut verwendet wird, beleuchtet die durch das Lichtquellenmodul der Objektivoptimierungskomponente (1) bereitgestellte Lichtquelle die Haut und wird ein der Haut entsprechendes Bild in der Bildgebungseinheit erzeugt, anschließend wird das Bild auf dem Mobilgerät ...

ELECTRODES FOR BIOIMPEDANSNOGO MEASURING DEVICE AND DEVICE, USED DURING DIALYSIS

APPARATUS, SYSTEM, AND METHOD TO ADAPTIVELY OPTIMIZE POWER DISSIPATION AND BROADCAST POWER IN A POWER SOURCE FOR A COMMUNICATION DEVICE

ELECTRONIC DEVICE FOR MEASURING INFORMATION REGARDING HUMAN BODY AND OPERATING METHOD THEREOF

Energy treatment system, energy control device, and energy treatment tool

Body composition measuring device

A body composition measuring apparatus (100A) includes a right hand grip (101) having electrodes (131, 133) to be contacted with the right hand of a subject, and a left hand grip (102) having electrodes (132, 134) to be contacted with the left hand of the subject. Right hand grip (101) and left hand grip (102) are disposed such that their respective axis lines overlap with each other on the same straight line. Left hand grip (102) is coupled to right hand grip (101) in a freely movable manner such that left hand grip (102) can move in the axis line direction. This configuration allows a small-sized body composition measuring apparatus suitable for carrying along to be achieved.

Dry weight predictor

Impedance-type human body composition analysis system and method based on accurate human body segment length

Biological information measurement device, biological information measurement method, and body composition measurement device

To accurately acquire body composition information using data acquired by another device. Thus, there is provided a body composition monitor with scale including a communication unit for allowing input of biological component information (cross-sectional area, site length, subcutaneous fat percentage, visceral fat percentage, etc.) of a living body measured with another device such as an MRI, where step of calculating the body composition of the living body based on the biological component information, an impedance detected by an impedance detection unit, and a weight measured by a load detection unit is executed.

Medical device and methods of monitoring a patient with renal dysfunction

Embodiments relate to a method of monitoring physiological parameters of a patient with renal dysfunction. The method includes electrically connecting one or more medical device electrodes with a measurement site of a patient, generating one or more first stimulation signals sufficient to provide input physiological parameters specific to the patient, measuring one or more first bioimpedance values from the generated signals, analyzing at least one of the input physiological parameters within the one or more first bioimpedance values and generating a personalized dialysis program. The systems and methods can further provide essentially real-time data of patient undergoing treatment and control of treatment to a patient.

Biometric healthcare data system

A biometric healthcare data system has biometric data collection stations and a network management system. Each station has several biometric data measurement devices including a bioelectrical impedance analysis system. Each station has a gateway that connects to the devices and that connects the station through the internet to the network management system. The network management system has a communications manager that tracks the stations, a content manager that provides content to the stations and a data manager that retrieves and stores data from the data collection stations.

Health monitoring appliance

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

Visceral fat measurement device

A visceral fat measurement device includes a current-applying electrode pair including a first current-applying electrode and a second current-applying electrode, and a voltage measurement electrode pair including a first voltage measurement electrode and a second voltage measurement electrode. The current-applying electrode pair is arranged on a projected line obtained by projecting the body trunk axis of a measured body to the body surface of an abdominal part of the measured body. The first and second current-applying electrodes are separated from each other at a predetermined interval determined so that a current path connecting the first current-applying electrode, visceral fat, and the second current-applying electrode is formed. The voltage measurement electrode pair is arranged between the first and second current-applying electrodes in a direction along the body trunk axis of the measured body.

METHOD AND SYSTEM FOR GENERATING PHYSIOLOGICAL SIGNALS WITH FABRIC CAPACITIVE SENSORS

A system for generating physiological signals using a cloth capacitive sensor, includes a cloth, at least one conductive area arranged on the cloth, a signal circuit; a capacitive sensor formed between the cloth and a human body; a resistor R, a capacitor C, an inductor L, an operational amplifier, a diode, a Schmitt trigger, CMOS, a transistor, or an IC, connected with the cloth capacitive sensor to form a charge and discharge circuit to change a signal range of frequency, cycle, voltage or current; wherein when a force, pressure, tensile force, torsion or tension is applied between the human body and the cloth, the capacitance changes, the circuit sends a signal, and the system receives the change in capacitance between the conductive cloth and the human body; wherein the change is represented by a frequency, cycle, voltage or current change. 154.-. (canceled)55. A system for generating physiological signals using a cloth capacitive sensor , comprisingat least a piece of cloth,at least one conductive area arranged on the cloth,a signal circuit;a capacitive sensor formed between the conductive cloth and a human body;a resistor R, a capacitor C, an inductor L, an operational amplifier, a diode, a Schmitt trigger, CMOS, a transistor, or an IC, connected, in series or in parallel, with the cloth capacitive sensor to form a charge and discharge circuit to change a signal range of frequency, cycle, voltage or current;wherein when a force, pressure, tensile force, torsion or tension is applied between the human body and the cloth, the capacitance changes, the circuit sends a signal, and the system receives the change in capacitance between the conductive cloth and the human body; wherein the change is represented by a frequency, cycle, voltage or current change, which is used to analyze at least one information of physiological and posture changes of human body, medium change between the human body and the cloth, or information of force applied.56. The system for ...

DEVICE FOR MEASURING BIOIMPEDANCES

The device is used to measure bioimpedances and has in each case at least one measurement electrode for each foot and each hand of a person who is to be measured. The electrodes are connected to an evaluation unit. In addition, at least one balance is used to determine a body weight of the person who is to be measured. The hand electrodes, provided for contact with the hands of the person who is to be measured, are arranged in the area of at least one positionable support element. 112.-. (canceled)13. A device for measuring bioimpedances , comprising at least one measuring electrode for each foot and for each hand of a person to be measured; an evaluation device , the electrodes being connected to the evaluation device; at least one scale for determining body weight of the person being measured; and at least one positionable support element , wherein the hand electrodes provided for contact with the hands of the person being measured are arranged in an area of the at least one positionable support element.14. The device according to claim 13 , wherein the support element is configured so as to be height adjustable.15. The device according to claim 14 , wherein the support element is positionable with a horizontal directional component.16. The device according to claim 13 , wherein the support element is rotatable.17. The device according to claim 13 , and further comprising a guide element claim 13 , wherein the support element is slidable along the guide element.18. The device according to claim 17 , and further comprising a vertical column that carries an indicator claim 17 , the guide element being attached to the vertical column.19. The device according to claim 18 , wherein the guide element has ends facing away from the vertical column claim 18 , and further comprising struts that support the ends of the guide element.20. The device according to claim 18 , wherein the guide element is height adjustable relative to the vertical column.21. The device according ...

BODY FAT MEASUREMENT DEVICE

A body fat measurement device includes: a measurement unit for measuring a shape of a measurement subject's trunk area; a breathing estimation unit that detects a change over time in the measured trunk area shape and estimates the measurement subject's breathing based on the detected change; a breathing state determination unit that determines whether or not the estimated breathing of the measurement subject is in a state suited to measurement; a state output unit that outputs the estimated breathing state to the exterior in association with a result of the determination; and a fat mass calculation unit that calculates a trunk area fat mass using the body impedance measured by a body impedance measurement unit and a trunk area size based on the trunk area shape measured by the measurement unit. 1. A body fat measurement device comprising:multiple electrodes for making contact with the surface of a measurement subject's body at the measurement subject's trunk area;an impedance measurement means that measures a body impedance of the measurement subject using the multiple electrodes;a measurement means for measuring a shape of the measurement subject's trunk area;an estimation means that detects a change over time in the trunk area shape measured by the measurement means and estimates the measurement subject's breathing based on the detected change;a determination means that determines whether or not the measurement subject's breathing estimated by the estimation means is in a state suited to measurement;a fat mass calculation means that calculates a trunk area fat mass using the body impedance measured by the impedance measurement means and a trunk area size based on the trunk area shape measured by the measurement means; anda control means that controls the impedance measurement means and the fat mass calculation means,wherein the state suited to measurement indicates a stopped state in which the measurement subject has stopped breathing after exhaling;the ...

METHOD AND APPARATUS FOR PERSONALIZED PHYSIOLOGIC PARAMETERS

Methods and apparatus combine patient measurement data with demographic or physiological data of the patient to determine an output that can be used to diagnose and treat the patient. A customized output can be determined based the demographics of the patient, physiological data of the patient, and data of a population of patients. In another aspect, patient measurement data is used to predict an impending cardiac event, such as acute decompensated heart failure. At least one personalized value is determined for the patient, and a patient event prediction output is generated based at least in part on the personalized value and the measurement data. For example, bioimpedance data may be used to establish a baseline impedance specific to the patient, and the patient event prediction output generated based in part on the relationship of ongoing impedance measurements to the baseline impedance. Multivariate prediction models may enhance prediction accuracy. 1. An apparatus to monitor a patient , the apparatus comprising:at least two electrodes coupled to circuitry to measure an impedance of the patient;at least one processor to receive the measured impedance and patient data, the at least one processor configured to determine an output based on the impedance and the patient data.2. The apparatus of claim 1 , wherein the patient data corresponds to a demographic of the patient.3. The apparatus of claim 2 , wherein the patient demographic corresponds to one or more of a gender of the patient claim 2 , an age of the patient claim 2 , or a race of the patient.4. (canceled)5. The apparatus of claim 1 , wherein the patient data corresponds to fat of the patient comprising one or more of a percent body fat of the patient claim 1 , a body mass index claim 1 , a height of the patient claim 1 , a weight of the patient claim 1 , a caliper measure of the fat of the patient claim 1 , a tape measure test of the patient claim 1 , a near infrared interactance claim 1 , images of the ...

BODY COMPOSITION MEASUREMENT DEVICE

Disclosed is a body composition measurement device provided with a current electrode pair for applying current and a plurality of voltage electrode pairs for measuring voltage at a plurality of measurement points. A controller measures body fat on the basis of voltages measured at the plurality of measurement points by means of the voltage electrode pairs. The controller uses the measured voltages at the plurality of measurement points to perform integration and calculates the amount of body fat on the basis of the integration result. 1. A body composition measurement device comprising:a current electrode pair configured to apply current;a plurality of voltage electrode pairs configured to measure voltages at a plurality of measurement points; anda control unit that performs an integration using measurement values of the measurement points measured by the voltage electrode pairs and calculates a body fat amount based on the result of the integration.2. The body composition measurement device according to claim 1 , wherein the voltage electrode pairs are configured to measure voltages for a measured subject in the vicinity of a frontal plane and at an anterior belly.3. The body composition measurement device according to claim 1 , wherein the control unit calculates claim 1 , as the body fat amount claim 1 , an area of body fat in a measured cross-section of a measured subject.4. The body composition measurement device according to claim 1 , wherein the control unit estimates a distribution of body fat in a measured cross-section of a measured subject.5. The body composition measurement device according to claim 1 , wherein the control unit measures visceral fat amount as the body fat amount.6. The body composition measurement device according to claim 1 , wherein the control unit measures subcutaneous fat amount as the body fat amount.7. The body composition measurement device according to claim 1 , whereinthe control unit performs a first integration using ...

BODY FAT MEASUREMENT DEVICE

A body fat measurement device includes a plurality of electrodes including back area electrodes and upper limb electrodes, a body impedance measurement unit that measures a body impedance using the plurality of electrodes, a body composition information calculation unit that calculates a body fat mass based on the body impedance, a fitting belt for bringing the back area electrodes into contact with the surface of the measurement subject's back area in a pressurized state, and an upper limb unit that includes a gripping portion that can be gripped by the measurement subject's hand, the upper limb electrodes being provided in the gripping portion. The upper limb unit can be attached to and detached from the fitting belt. 1. A body fat measurement device comprising:a plurality of electrodes comprising back area electrodes for making contact with a surface of a back area that is an area on a back side of a measurement subject's trunk area, and upper limb electrodes for making contact with a surface of the measurement subject's upper limbs;a body impedance measurement unit for measuring a body impedance of the measurement subject's body using said plurality of electrodes;a body composition information calculation unit that calculates a body fat mass based on said body impedance measured by said body impedance measurement unit;a fitting belt for bringing said back area electrodes into contact with the surface of the measurement subject's back area in a pressurized state by being tightened around the measurement subject's trunk area; andan upper limb unit that includes comprising a gripping portion that can be gripped by the measurement subject's hand, said upper limb electrodes being provided in said gripping portion,wherein said upper limb unit can be attached to and detached from said fitting belt.2. The body fat measurement device according to claim 1 ,wherein said fitting belt comprises a first engagement member;wherein said upper limb unit includes comprises a ...

FAT MASS MEASUREMENT APPARATUS

A fat mass measurement apparatus includes an area detection unit that detects a predetermined position in a measurement subject's trunk area and detecting a predetermined area in the trunk area using the detected position; an electrode position setting unit that sets, on the body surface at the predetermined area detected by the area detection unit, a plurality of positions along the vertical direction of the trunk area for measuring the body impedance; an impedance measurement unit that measures the body impedance by bringing the impedance measurement electrodes into contact with each of the plurality of positions that have been set; and an abdominal area fat mass calculation unit that calculates a fat volume at the predetermined area based on the body impedances at each of the plurality of positions measured by the impedance measurement and the size of the trunk area at the predetermined area. 1. A fat mass measurement apparatus for measuring a fat mass in a body based on a body impedance measured by bringing impedance measurement electrodes into contact with a measurement subject's body surface , the apparatus comprising:a position detection means for detecting a predetermined position in a trunk area of the measurement subject;an area detection means for detecting a predetermined area in the trunk area using the position detected by said position detection means;an electrode position setting means for setting, on the body surface at said predetermined area detected by said area detection means, a plurality of positions along a vertical direction of the trunk area for measuring said body impedance;an impedance measurement means for measuring said body impedance by bringing said impedance measurement electrodes into contact with each of the plurality of positions set by said electrode position setting means; anda fat mass calculation means for calculating a fat mass of said predetermined area based on said body impedances at each of said plurality of positions ...

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.

Application of electric fields to the lung as therapy for pulmonary edema

System and method of applying electric fields to a patient's lung(s) to reduce pulmonary edema. The system includes a first electrode and a second electrode, at least one of which is associated with the lung. The electric field can be controlled so as to modulate a level of fluid in the lung.

BODY WEIGHT MANAGEMENT DEVICE

A device includes a body weight obtainment unit for obtaining measurement data; a storage unit for storing the measurement data; a target calculation unit that, based on the measurement data in, calculates a target diurnal fluctuation amount including a body weight fluctuation amount during sleep and a body weight diurnal target increase/decrease amount; and a computation unit that, based on the target diurnal fluctuation amount, calculates a target value to serve as a target when measuring a pre-sleep body weight value at a second timing before the measurement subject sleeps relative to a post-waking body weight value that is measured at a first timing after the measurement subject wakes. The target calculation unit calculates the diurnal target increase/decrease amount based on the measurement data in the storage unit so that the diurnal target increase/decrease amount is within a predetermined increase/decrease percentage range of the post-waking body weight value. 1. A body weight management device comprising:a body weight/body composition meter that obtains measurement data in which a body weight measurement value for a measurement subject and a measurement day/time are associated with each other;a storage unit that stores said measurement data obtained by said body weight/body composition meter;a target obtainment unit that, based on said measurement data in said storage unit, calculates a target diurnal fluctuation amount including a body weight fluctuation amount during sleep and a body weight diurnal target increase/decrease amount; anda computation unit that, based on the target diurnal fluctuation amount obtained by said target obtainment unit, calculates a target value to serve as a target to be achieved when measuring a pre-sleep body weight value at a second timing near when the measurement subject sleeps, based on a post-waking body weight value measured at a first timing after the measurement subject wakes,wherein said target obtainment unit ...

FLUID LEVEL INDICATOR DETERMINATION

A method for use in analysing impedance measurements performed on a subject, the method including, in a processing system, determining at least one impedance value at each of a number of frequencies, each impedance value representing the impedance of a segment of the subject, determining a dispersion parameter value indicative of a dispersion of the impedance values and, determining an indicator based at least in part on the dispersion parameter value. 1. A method for use in analysing impedance measurements performed on a subject , the method including , in a processing system:determining at least one impedance value at each of a number of frequencies, each impedance value representing the impedance of a segment of the subject;determining a dispersion parameter value indicative of a dispersion of the impedance values; and,determining an indicator based at least in part on the dispersion parameter value.2. A method according to claim 1 , wherein the method includes claim 1 , in the processing system:determining first and second dispersion parameter values for first and second body segments respectively; and,determining the indicator using the first and second dispersion parameter values.3. A method according to claim 2 , wherein the first body segment is an affected body segment and the second body segment is an unaffected body segment.4. A method according to claim 2 , wherein at least one of the body segments is a dominant limb and the other body segment is a non-dominant limb.5. A method according to claim 2 , wherein the first body segment is a different body segment to the second body segment.6. A method according to claim 2 , wherein the method includes claim 2 , in the processing system:determining a predicted dispersion parameter value for the first body segment using the second dispersion parameter value;determining the indicator using the first and predicted dispersion parameter values.7. A method according to claim 6 , wherein predicted dispersion ...

BODY FAT MEASUREMENT DEVICE

A body fat measurement device includes a trunk area dimension measurement unit in which is provided a trunk area dimension detection unit for detecting a dimension of a measurement subject's trunk area. The trunk area dimension measurement unit has a frame shape that can be disposed surrounding the measurement subject's trunk area, and includes a base portion whose position relative to the trunk area does not change in a state where the trunk area dimension measurement unit is disposed surrounding the trunk area, and a mobile portion that is attached in a movable state to the base portion and whose position relative to the trunk area can change in a state where the trunk area dimension measurement unit is disposed surrounding the trunk area. The trunk area dimension detection unit includes at least a non-contact range sensor provided in the mobile portion. 1. A body fat measurement device comprising:a plurality of electrodes for making contact with predetermined areas of the surface of a measurement subject's body;a body impedance measurement unit that measures a body impedance of the measurement subject's body using said plurality of electrodes;a trunk area dimension detection unit for detecting a trunk area dimension of the measurement subject;a frame-shaped trunk area dimension measurement unit in which said trunk area dimension detection unit is provided and that is capable of being disposed so as to surround the measurement subject's trunk area;a body shape information measurement unit that measures a dimension of the measurement subject's trunk area based on information detected by said trunk area dimension detection unit; anda body fat mass calculation unit that calculates a body fat mass based on the body impedance measured by said body impedance measurement unit and the trunk area dimension measured by said body shape information measurement unit,wherein said trunk area dimension measurement unit includes a base portion whose position relative to the ...

BIOELECTRICAL IMPEDANCE MEASURING APPARATUS, SEMICONDUCTOR DEVICE, AND CONTROL METHOD FOR BIOELECTRICAL IMPEDANCE MEASURING APPARATUS

A current supply unit supplies a current between first and second current output terminals. A voltage measurement unit measures a voltage input to first and second voltage input terminals. A control circuit causes a first switch unit to connect the first current output terminal to a first terminal of a reference resistor and to connect the second current output terminal to a second terminal of the reference resistor, causes a second switch unit to connect the first voltage input terminal to the first terminal of the reference resistor and to connect the second voltage input terminal to the second terminal of the reference resistor, and causes a voltage measurement unit to measure a voltage between the first and second voltage input terminals, thereby performing self-diagnosis of a path through which a current flows. 1. A bioelectrical impedance measuring apparatus comprising:a reference resistor;first and second current supply electrodes that contact a living organism to be measured;first and second voltage measurement electrodes that contact the living organism;a current supply unit that supplies a current between first and second current output terminals;a voltage measurement unit that measures a voltage input to first and second voltage input terminals;a first switch unit that connects the first current output terminal to one or both of the first current supply electrode and a first terminal of the reference resistor, and connects the second current output terminal to one or both of the second current supply electrode and a second terminal of the reference resistor;a second switch unit that connects the first voltage input terminal to one or both of the first voltage measurement electrode and the first terminal of the reference resistor, and connects the second voltage input terminal to one or both of the second voltage measurement electrode and the second terminal of the reference resistor; anda control circuit that controls the first and second switch units to ...

Emergency Medical Diagnosis and Communications Device

A portable emergency medical device capable of communicating with a remote location preferably as a cellular telephone that can measure one or more human vital parameters such as pulse rate, body temperature, skin moisture, blood pressure, ECG or blood chemistry and can receive symptoms from a user either by voice recognition or by keypad and can provide an expert medical diagnosis. The device can store a complete medical history for one or more users and can use an expert system to make the diagnosis. The device can make an emergency medical call either on command or automatically requesting help and optionally supplying medical information and/or GPS location information. 1. A personal medical diagnosis apparatus comprising:a cellular telephone module including a processor and memory;a medical expert system disposed in said memory and executable on said processor;a medical probe that measures at least one human medical parameter, said probe being in data communication with said medical expert system; andan input device, including a keyboard and circuitry through which the medical expert system receives symptom data;the expert system receiving imputed symptom data and at least one medical parameter and making a medical diagnosis.2. The personal medical diagnosis apparatus of further comprising a GPS receiver in communication with said processor claim 1 , wherein said processor is adopted to report a geographic location of said medical diagnosis apparatus to a remote station.3. The personal medical diagnosis apparatus of further comprising a housing wherein said medical probe is at least one of:a blood pressure sensor in or deployable from said housing;a pulse rate sensor in or deployable from said housing;a body temperature sensor in or deployable from said housing, or;an ECG interface in or deployable from said housing.4. The personal medical diagnosis apparatus of further comprising a housing wherein said medical probe is at least one of:a blood pressure sensor ...

Health monitoring appliance

A heart monitoring system for a person includes one or more wireless nodes forming a wireless network; a wearable body sensor having a wireless transceiver adapted to communicate with the one or more wireless nodes.

BODY CONDITION INFORMATION PROCESSING APPARATUS, NON-TRANSITORY COMPUTER READABLE RECORDING MEDIUM, AND METHOD FOR PROCESSING BODY CONDITION INFORMATION

A condition information processing apparatus (A) includes: an obtaining section () that obtains information relating to a bioelectrical impedance measured by means of impressing an alternating current of a predetermined frequency to a body surface of a user. An operating section () calculates an index relating to a body condition on the basis of the information relating to the bioelectrical impedance. 1. A condition information processing apparatus comprising:an obtaining section adapted for obtaining information relating to a bioelectrical impedance measured by means of impressing an alternating current of a predetermined frequency to a body surface of a user; andan operating section adapted for calculating an index relating to a body condition on the basis of the information relating to the bio electrical impedance.2. The condition information processing apparatus according to claim 1 , further comprising a condition estimating section adapted for estimating the body condition on the basis of a newly calculated index relating to the body condition and a past index relating to the body condition recorded as a measurement history.3. The condition information processing apparatus according to claim 1 , further comprising:a pair of current applying electrodes that is capable of contacting the body surface;a pair of voltage measuring electrodes that is capable of contacting the body surface;an alternating current applying section adapted for applying an alternating current to the current applying electrodes;a frequency setting section adapted for setting a predetermined frequency as a frequency of the alternating current impressed by the alternating current applying section; anda voltage measuring section adapted for measuring a voltage at the time of impressing the alternating current of the predetermined frequency,wherein the obtaining section obtains either of the voltage measured by the voltage measuring section and the bioelectrical impedance as the information ...

Tissue indicator determination

A method for use in analysing impedance measurements performed on a subject, the method including, in a processing system, determining at least one impedance value at at least one frequency, the at least one impedance value representing the impedance of a segment of the subject, determining a tissue impedance parameter value using the at least one impedance value and determining a tissue indicator based at least in part on the tissue impedance parameter value.

Body fat measurement device

A body fat measurement device includes a back area electrode group support unit including back area electrodes arranged to contact a back area of a measurement subject, a trunk area dimension measurement unit that detects the width and depth of a trunk area of the measurement subject, a position detection unit that detects a relative positional relationship between the back area electrode group support unit and the trunk area dimension measurement unit, an electrode selection unit that selects specific electrodes, placed in contact with the back area at an area that corresponds to the location of the navel of the measurement subject, from a plurality of electrodes included in a trunk area electrode group, based on the position information detected by the position detection unit, and a body impedance measurement unit that measures a body impedance of the measurement subject using the selected back area electrodes.

DRY WEIGHT PREDICTOR

Methods and apparatus for predicting/estimating the dry weight of an individual, e.g., a patient undergoing dialysis treatment, are provided. The techniques employ a bioimpedance measurement () on the individual's calf () to obtain information regarding the extracellular fluid volume of the calf. Using a measurement of the calf's circumference (), a resistivity value is calculated, normalized by the individual's body mass index (BMI), and then offset by a reference value to obtain a new variable, ΔnRho, which is shown, by comparison with a “gold standard” (FIGS. -), to be highly effective in predicting/estimating dry weight (FIGS. - and -). The techniques are easy to use and provide accurate dry weight predictions/estimations without substantially adding to the complexity or cost of dialysis procedures. The techniques can also be used for individuals who are not renal patients, e.g., patients suffering from other diseases in which fluid overload can occur, athletes, fitness enthusiasts, and the like. 1. A method of predicting/estimating an individual's dry weight , said individual having a BMI value , comprising:(a) obtaining a measured value indicative of the extracellular fluid volume of the individual's calf using a bioimpedance measurement technique;(b) obtaining a measured value indicative of the circumferential size C of the individual's calf;(c) determining a normalized value indicative of the extracellular fluid volume of the individual's calf from the measured values of steps (a) and (b) and the individual's BMI value;(d) determining a difference value between the normalized value of step (c) and a reference value for the normalized value; and(e) using the difference value of step (d) to determine a predicted/estimated value for the individual's dry weight.26-. (canceled)7. The method of wherein the reference value used in step (d) is obtained by performing steps (a) through (c) on at least one set of reference individuals.8. The method of wherein the ...

Method and a device for determining the hydration and/or nutrition status of a patient

The invention relates to the field of monitoring the hydration and/or nutrition status of a patient. According to the invention a method is provided to determine at least one of a mal-hydration component, an adipose tissue component and a lean tissue component of a patient comprising the steps of determining chemical or physical properties of the patient and deriving the at least one component on the basis of the determined chemical or physical properties of the patient and previously determined values of a mass or volume fraction of water in lean tissue and a mass or volume fraction of water in adipose tissue. The invention also relates to a device for carrying out the method according to the invention and to a computer program product to be used on such a device. 1. A method to determine at least one of a mal-hydration component , an adipose tissue component and a lean tissue component of a patient comprising the steps of:determining chemical or physical properties of the patient andderiving the at least one component on the basis of the determined chemical or physical properties and previously determined values of a mass or volume fraction of water in lean tissue and a mass or volume fraction of water in adipose tissue.2. The method according to characterised in that the at least one component is the mass of that component of the patient.3. The method according to characterised in that the at least one component is the volume of that component of the patient.4. The method according to characterised in that the chemical or physical properties of the patient comprise at least one of the whole body mass claim 1 , the lipid mass and the total bone mineral content mass of the patient.5. The method according to characterised in that the chemical or physical properties of the patient comprise the volume or mass of at least one of the total water claim 1 , the extracellular water and the intracellular water of the patient.6. The method according to characterised in that ...

Obtaining physiological measurements using a portable device

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

Method and System for Disease Risk Management

This disclosure relates to systems and methods for measuring the composition of a body part of a patient, or for otherwise determining a clinically relevant fact using characteristics of tissue in or proximal to said body part. In an example, this disclosure relates to measuring the electrical impedance of an organ or portion of an organ, such as the female breast, so as to obtain clinically relevant information. In an aspect, the system and method can be used for measuring and utilizing certain information such as breast density data and other risk factors for determination or classification of a woman's likelihood to develop breast cancer. Other aspects quantify or qualify a woman's responsiveness to a drug or hormonal therapy. 1. A method for breast tissue characterization , comprising:obtaining a non-invasive electrical measurement of breast tissue composition of a patient; andestimating a risk of future breast cancer corresponding to at least said non-invasive electrical measurement of said breast tissue composition.2. The method of claim 1 , obtaining said measurement comprising obtaining an electrical impedance.3. The method of claim 1 , obtaining said measurement comprising obtaining an electrical measurement indicative of a relative fat-free mass of said breast tissue.4. The method of claim 2 , obtaining said impedance comprising providing a substantially constant current to said breast tissue using a first pair of conducting electrodes claim 2 , and detecting a resulting voltage difference in said tissue using a second pair of conducting electrodes claim 2 , then using the current and voltage to determine said electrical impedance.5. The method of claim 2 , further comprising determining a mammographic breast density of said breast tissue corresponding to said electrical impedance of said breast tissue.6. The method of claim 5 , further comprising computing a future risk of breast cancer from at least said determined mammographic breast density of said ...

Transdermal Sensor

The present invention provides a transdermal sensor for detecting a concentration of a hypodermal target molecule, comprising: a substrate; a plurality of microneedles fixed on said substrate; a signal processing unit, which is electrically connected to said microneedles; and a power supply unit for providing the working power. The transdermal sensor of the present invention detects long-term, real-time concentration of a hypodermal target molecule for a doctor to evaluate a physiological status of an user with minimal invasive piercing and pain. 1. A transdermal sensor for detecting a concentration of a hypodermal target molecule , comprising:a substrate;a plurality of microneedles fixed on said substrate for an electrochemical detection;a signal processing unit, which is electrically connected to said microneedles for receiving an electric signal of the electrochemical detection, and processing and transforming it into a sensor signal; anda power supply unit, which provides working power.2. The transdermal sensor of claim 1 , further comprising a wireless transmission unit which is electrically connected to the signal processing unit for receiving and transmitting the sensor signal outward and for receiving an instructing signal.3. The transdermal sensor of claim 2 , wherein the electrochemical detection is based on electrochemical impedance (EIS) claim 2 , cyclic voltammetry claim 2 , or amperometry.4. The transdermal sensor of claim 3 , wherein the plurality of microneedles comprise at least one microneedle serving as a working electrode claim 3 , at least one microneedle serving as a reference electrode claim 3 , and at least one microneedle serving as a counter electrode.5. The transdermal sensor of claim 4 , wherein the at least one microneedle serving as a working electrode is surface-modified.6. The transdermal sensor of claim 5 , wherein the at least one microneedle serving as a working electrode is modified by a molecule selected from the group consisting ...

Fitness monitoring

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

ELECTRONICS FOR DETECTION OF A CONDITION OF TISSUE

Apparatus are provided for monitoring a condition of a tissue based on a measurement of an electrical property of the tissue. In an example, the electrical property of the tissue is performed using an apparatus disposed above the tissue, where the apparatus includes at least two conductive structures, each having a non-linear configuration, where the at least two conductive structures are disposed substantially parallel to each other. In another example, the electrical property of the tissue is performed using an apparatus disposed above the tissue, where the apparatus includes at least one inductor structure. 1. An apparatus for monitoring a condition of a tissue , the apparatus comprising:at least two conductive structures disposed above the tissue, wherein each of the at least two conductive structures has a non-linear configuration, and wherein the at least two conductive structures are disposed substantially parallel to each other;at least two brace structures, each disposed substantially perpendicularly to the orientation of the at least two parallel conductive structures, and each being in electrical communication with at least one of the at least two parallel conductive structures; andat least one spacer structure that is physically coupled at each end to a portion of each of the at least two brace structures, such that a substantially uniform separation is maintained between the at least two brace structures,wherein a measure of an electrical property of the tissue using the apparatus provides an indication of the condition of the tissue.2. The apparatus of claim 1 , wherein the condition of the tissue is a hydration state of the tissue claim 1 , a volume of sweat lost claim 1 , a mechanical property of the tissue claim 1 , a disease state of the tissue claim 1 , or a level of SPF protection of the tissue.3. The apparatus of claim 1 , wherein each of the at least two conductive structures has a zig-zag conformation claim 1 , a serpentine configuration claim ...

APPARATUS AND METHOD FOR MEASURING SKIN MOISTURE

A skin moisture measuring apparatus that measures moisture in a testee's skin includes an earphone plug that is connected to an earphone port of a smart device and connects the skin moisture measuring apparatus to the smart device; an oscillation signal generation unit that generates an oscillation signal; and a sensor unit that includes two or more contact portions exposed to the outside to be in direct with the testee's skin, modifies the oscillation signal depending on an electrical resistance corresponding to a moisture content in the testee's skin and formed between the two or more contact portions, and generates a measurement signal. In the skin moisture measuring apparatus, the sensor unit transmits the measurement signal to the smart device through the earphone plug. 1. A skin moisture measuring apparatus that measures moisture in a testee's skin , the skin moisture measuring apparatus comprising:an earphone plug that is connected to an earphone port of a smart device and connects the skin moisture measuring apparatus to the smart device;an oscillation signal generation unit that generates an oscillation signal; anda sensor unit that includes two or more contact portions exposed to the outside to be in direct with the testee's skin, modifies the oscillation signal depending on an electrical resistance corresponding to a moisture content in the testee's skin and formed between the two or more contact portions, and generates a measurement signal,wherein the sensor unit transmits the measurement signal to the smart device through the earphone plug.2. The skin moisture measuring apparatus of claim 1 ,wherein if the smart device receives the measurement signal, the smart device draws skin moisture information corresponding to the received measurement signal and displays the skin moisture information.3. The skin moisture measuring apparatus of claim 1 ,wherein a frequency of the oscillation signal is selected from an audio sampling rate range of the smart device.4 ...

Multimodal dialysis system

A dialysis device for operation in multiple modes and for maintaining a known gradient of potassium ion or other electrolyte between the blood of a patient and a dialysate fluid is described. The dialysis device is capable of being used for hemodialysis or peritoneal dialysis, and the dialysis device is capable of operation with a dialysate purification unit outside of a clinical setting or with a supply of water that can be supplied in a clinical setting. The dialysis device has a composition sensor containing a potassium-sensitive electrode for measuring a potassium ion concentration in one or more of the patient's blood and the dialysate fluid and an infusate pump operated to adjust a potassium ion concentration in the dialysate fluid based at least in part on data from the composition sensor.

ENHANCEMENTS TO THE DETECTION OF PULMONARY EDEMA WHEN USING TRANSTHORACIC IMPEDANCE

This patent document discusses, among other things, systems, devices, and methods for enhancing detection of pulmonary edema using, in addition to thoracic impedance, one or a combination of: physiologic information about a subject, at least one statistical parameter, a user-programmable detection level, at least one parameter associated with a previous pulmonary edema event, and patient symptom information about the subject. In one example, a (base) thoracic impedance threshold is modified to an adjusted thoracic impedance threshold. The adjusted thoracic impedance threshold provides an increased sensitivity of pulmonary edema detection as compared to the base thoracic impedance threshold. In another example, an alert is provided to a subject, a caregiver, or other user based on a pulmonary edema indication determined by the present systems, devices, and methods. In a further example, a therapy (provided to the subject) is adjusted or initiated in response to the pulmonary edema indication.

Downloadable datasets for a patient monitoring system

In general, this disclosure describes techniques for remotely monitoring the health of an ambulatory patient. As described herein, an ambulatory patient may interact with a monitoring device that is located at the patient's home. The monitoring device may ask the patient to provide responses to health-related questions or requests for physiological characteristics and may upload the responses. A health care professional may then use the responses to evaluate the health of the patient. A set of firmware instructions stored on the monitoring device may cause the monitoring device to perform these functions. The monitoring device may download a prompt that is associated with at least one instruction in the set of firmware instructions. The prompt may cause the patient monitoring device to execute the at least one instruction in the set of firmware instructions to gather information relating to a patient.

EDEMA EVALUATION APPARATUS

An index calculating section calculates an edema index value indicating the level of edema at a target portion of the body of a human subject, according to a bioelectric impedance of the target portion. An edema evaluation section identifies the edema stage corresponding to the edema index value calculated by the index calculating section from among a plurality of edema stages indicating the degrees of progress of edema symptoms. A result reporting section reports the edema stage identified by the edema evaluation section to the user. 1. An edema evaluation apparatus comprising:index calculator for calculating an edema index value indicating the level of edema at a target portion of the body of a human subject, according to a bioelectric impedance of the target portion;edema evaluator for identifying an edema stage corresponding to the edema index value calculated by the index calculator from among a plurality of edema stages indicating the degrees of progress of edema symptoms; andresult reporter for reporting the edema stage identified by the edema evaluator.2. The edema evaluation apparatus according to claim 1 , wherein the result reporter further reports the edema index value calculated by the index calculator.3. The edema evaluation apparatus according to claim 1 , wherein the index calculator calculates the edema index value according to a discrepancy between a body composition index value corresponding to a bioelectric impedance of a right limb and a body composition index value corresponding to a bioelectric impedance of a left limb of the human subject.4. The edema evaluation apparatus according to claim 3 , wherein the index calculator calculates the edema index value by dividing the difference between the body composition index value of the right limb and the body composition index value of the left limb of the human subject by a body frame index value of the human subject.5. The edema evaluation apparatus according to claim 1 , wherein the index ...

ADVANCED THORACIC FLUID MONITORING CAPABILITY WITH IMPEDANCE

Advanced thoracic fluid monitoring capabilities using impedance are disclosed. An implantable medical device used for detection of changes in impedance in a patient can have means for measuring impedances of the patient in a supine position and in an upright position. Impedance differences can be generated which correspond to a diurnal delta value showing impedance differences between the supine and upright positions. 1. A computer-readable medium programmed with instructions for performing a method in an implantable medical device , the medium comprising instructions for causing a programmable processor to:measure impedances of a patient in a supine position;measure impedances of the patient in an upright position; andgenerate a diurnal delta corresponding to impedance differences between the supine and upright positions.2. A medium according to claim 1 , further comprising instructions to reset certain impedance data after receipt of a reset input.3. A medium according to claim 1 , wherein an alarm is initiated if the supine position impedance measurements drop below a threshold.4. A medium according to claim 1 , wherein an alarm is initiated if the upright position impedance measurements drop below a threshold.5. A medium according to claim 1 , further comprising instructions to detect when the patient is in the supine position.6. A medium according to claim 1 , further comprising instructions to wait a predetermined time limit before measuring impedances when the patient is first detected in the supine position.7. A medium according to claim 1 , further comprising instructions to determine whether the diurnal delta values are increasing or decreasing over time.8. A medium according to claim 1 , further comprising instructions to determine whether a predetermined time limit has elapsed during which the delta value was increasing or decreasing. This application is a divisional of U.S. patent application Ser. No. 11/322,700, filed Dec. 30, 2005 entitled “ADVANCED ...

BODY WEIGHT MANAGEMENT DEVICE HAVING FUNCTION OF PREDICTING BODY WEIGHT VARIATION

A body weight management device includes a measurement unit that measures a body impedance of a measurement subject, an impedance change detection unit that detects a temporal change in the measured body impedance, a variation amount computation unit that computes a body impedance variation amount in a unit period, and a determination unit that makes determination about a trend for subsequent changes in the measurement subject's body weight, using the body impedance variation in the unit period, and an output unit that outputs a result of the determination. 1. A body weight management device comprising:a measurement unit that measures a body impedance of a measurement subject;an impedance change detection unit that detects a temporal change in the measured body impedance;a variation amount computation unit that computes a body impedance variation amount in a unit period, based on the temporal change in the body impedance;a determination unit that makes determination about a trend for subsequent changes in a measurement subject's body weight, using the body impedance variation amount in the unit period; andan output unit that outputs a result of the determination.2. The body weight management device according to claim 1 , further comprising:a body weight obtainment unit that obtains body weight data of the measurement subject;a body weight change detection unit that detects a temporal change in the body weight, based on the obtained body weight data; anda body weight variation amount computation unit that computes the body weight variation amount in the unit period, based on the temporal change in the body weight,wherein the determination unit makes determination about a trend for subsequent changes in the measurement subject's body weight, from a relationship betweenthe body impedance variation amount in the unit period and the body weight variation amount in the unit period.3. The body weight management device according to claim 2 , wherein the determination unit ...

SYSTEM AND METHODS FOR WIRELESS BODY FLUID MONITORING

An adherent device to monitor a tissue hydration of a patient comprises an adhesive patch to adhere to a skin of the patient. At least four electrodes are connected to the patch and capable of electrically coupling to the patient. Impedance circuitry is coupled to the at least four electrodes to measure a tissue resistance of the patient, where the circuitry is configured to determine the tissue hydration in response to tissue resistance. The circuitry may comprise a processor system and the tissue resistance may correspond to a change in patient body fluid. The impedance circuitry is configured to measure the hydration signal using at least one low measurement frequency, which may be in the range of 0 to 10 kHz. Multiple measurement frequencies may be used and the hydration signal may include a tissue reactance measurement. 139-. (canceled)40. An adherent device to monitor a patient , the device comprising:an adhesive patch to adhere to a skin of the patient;at least two electrodes connected to the patch and capable of electrically coupling to the patient; andcircuitry coupled to the at least two electrodes to measure a tissue resistance of the patient at a plurality of frequencies greater than zero, wherein the circuitry is configured to detect a low frequency droop in the tissue resistance and to, when low frequency droop is detected, temporarily suspend data collection or disregard some collected data based at least in part on the fact that the low frequency droop has been detected.41. The adherent device of claim 40 , wherein the circuitry comprises a processor system configured to determine a tissue hydration of the patient in response to the tissue resistance.42. The adherent device of claim 41 , wherein the circuitry is further configured to determine the tissue hydration based on a tissue resistance measured at a single frequency.43. The adherent device of claim 40 , wherein the circuitry is further configured to measure a tissue reactance of the patient.44 ...

APPLICATION OF ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY IN SENSOR SYSTEMS, DEVICES, AND RELATED METHODS

A diagnostic Electrochemical Impedance Spectroscopy (EIS) procedure is applied to measure values of impedance-related parameters for one or more sensing electrodes. The parameters may include real impedance, imaginary impedance, impedance magnitude, and/or phase angle. The measured values of the impedance-related parameters are then used in performing sensor diagnostics, calculating a highly-reliable fused sensor glucose value based on signals from a plurality of redundant sensing electrodes, calibrating sensors, detecting interferents within close proximity of one or more sensing electrodes, and testing surface area characteristics of electroplated electrodes. Advantageously, impedance-related parameters can be defined that are substantially glucose-independent over specific ranges of frequencies. An Application Specific Integrated Circuit (ASIC) enables implementation of the EIS-based diagnostics, fusion algorithms, and other processes based on measurement of EIS-based parameters. 1. A method for real-time detection of low start-up for a working electrode of a sensor , the method comprising:inserting the sensor into subcutaneous tissue;performing a first electrochemical impedance spectroscopy (EIS) procedure to generate a first set of impedance-related data for said working electrode; andbased on the first set of impedance-related data, determining whether said working electrode is experiencing low start-up.2. The method of claim 1 , wherein said EIS procedure is performed for a predetermined range of frequencies.3. The method of claim 1 , wherein the first set of impedance-related data includes values for at least one of real impedance and imaginary impedance.4. The method of claim 1 , wherein the first set of impedance-related data includes values for at least one impedance-related parameter that is substantially glucose-independent.5. The method of claim 1 , wherein said determination is made based on respective values of real impedance and Nyquist slope.6. The ...

METHOD AND UNIT FOR DETERMINING BODY COMPOSITION PARAMETERS WITH THE AID OF BIOIMPEDANCE MEASUREMENT

The disclosure relates to a method for determining a body composition parameter by applying a bioimpedance measurement on a subject, the overall body size and an impedance value of the body of the subject entering into the calculation of the body composition parameter. It is provided that when calculating the body composition parameter a term is additionally entered which constitutes a product of a previously determined coefficient and of a ratio of measured impedance values of different body segments of the subject. During the calculation of the ratio of impedance values of different body segments the ratio of the real parts of the impedances preferably takes the form of 1. A method for determining a body composition parameter by applying a bioimpedance measurement on a subject , wherein the subject's body includes different body segments and presents an overall body size and a body impedance value , said method comprising the steps of:using the overall body size and the body impedance value in calculating a body composition parameter, andwhen calculating the body composition parameter, entering a term in the calculation which constitutes the product of a predetermined coefficient and of a ratio of measured impedance values of different body segments of the subject.2. The method as claimed in claim 1 ,said body segments including a trunk and a body extremity,during the calculation of the ratio of impedance values of different body segments, forming the ratio from the impedance value of the trunk and the impedance value of a body extremity.3. The method as claimed in claim 1 ,said body segments including a trunk and a plurality of body extremities,during the calculation of the ratio of impedance values of different body segments, forming the ratio from the impedance value of the trunk and the sum of the impedance values of at least two body extremities.4. The method as claimed in claim 3 ,during the calculation of the ratio of impedance values of different body ...

TISSUE MASS INDICATOR DETERMINATION

A method of determining a measure of lean tissue mass for a segment of a subject, the method including, in a processing system, determining at least one impedance value at at least one frequency, the at least one impedance value representing the impedance of the segment, determining a tissue mass impedance parameter value using the at least one impedance value and determining a tissue mass indicator based at least in part on the tissue mass impedance parameter value. 1) A method of determining a measure of lean tissue mass for a segment of a subject , the method including , in a processing system:determining at least one impedance value at at least one frequency, the at least one impedance value representing the impedance of the segment;determining a tissue mass impedance parameter value using the at least one impedance value; and,determining a tissue mass indicator based at least in part on the tissue mass impedance parameter value.2) A method according to claim 1 , wherein the tissue mass impedance parameter value is indicative of an intracellular resistance.3) A method according to claim 1 , wherein the method includes:determining a fluid level impedance parameter value using at least one impedance value; and,determining a fluid level indicator using at least one fluid level impedance value.4) A method according to claim 3 , wherein the at least one fluid level impedance parameter value is indicative of intracellular and extracellular fluid levels.5) A method according to claim 4 , wherein the fluid level indicator is determined based on a ratio of intracellular to extracellular resistance.7) A method according to claim 1 , wherein the method includes:determining a first impedance parameter value from at least one impedance value measured at a first time;determining a second impedance parameter value from at least one impedance value measured at a second time;in the processing system, determining at least one of the tissue mass indicator and a fluid level ...

System for Measuring Skin Hydration

A system for measuring skin hydration at a measurement site with a independent measurement probe and a portable data processing system. Wireless communications enable the transfer of commands and data between the probe and portable data processing system. The portable data processing system can comprise a wireless tablet or smartphone. The portable data processing system provides input functions and output functions on its display and includes a camera for imaging the measurement site.

METHOD AND DEVICE FOR DETERMINING THE BODY WEIGHT OF A PERSON

This version will replace all prior versions in the application: 14-. (canceled)5. A method for determining body weight of a person , comprising the steps of: determining , with respect to measurement technology , at least one parameter typical for a biological impedance measurement; transmitting a measurement value to an evaluation unit; and processing the measurement value in the evaluation unit together with at least one additional individual data of the person and determining an estimated value for the body weight of the patient , taking into consideration statistical data concerning other persons.6. The method according to claim 5 , wherein the evaluation unit additionally takes into consideration at least one past measurement with respect to time.7. The method according to claim 5 , including carrying out a serial measurement.8. A device for determining body weight of a person claim 5 , comprising: at least one sensor for determining at least one parameter typical for a biological impedance measurement; an evaluation unit coupled to the sensor claim 5 , wherein the evaluation unit includes an individual storage unit for individual data of the person and a reference storage unit for statistical data concerning other persons claim 5 , the evaluation unit being constructed for linking the at least one measurement parameter to contents of the individual storage unit as well as to contents of the reference storage unit. The invention relates to a method for measuring the body weight of a person, wherein by means of measuring technology at least one parameter typical for a biological impedance measurement is determined and is transmitted to an evaluation unit.Moreover, the invention relates to a device for determining the body weight of a person, wherein the device includes at least one sensor for determining at least one parameter typical for a biological impedance measurement, and wherein the sensor is coupled to an evaluation unit.In a predominant number of ...

HYDRATION MONITORING APPARATUS

Methods, systems, apparatuses, and/or devices for determining a physiological condition for an individual. The methods, systems, apparatuses, and/or devices may include a housing, a sensor interface, a processing device, and a display device. The sensor interface may be integrated into the housing. The sensor interface include a first sensor operable to take a plurality of physiological measurements of a user over a period of time. The processing device may be coupled to the sensor interface. The processing device may be operable to receive the plurality of physiological measurements; determine a change in the plurality of physiological measurements; and determine a hydration condition measurement for a body based on the change of the plurality of physiological measurements. The display device may be integrated into the housing. The display device may be operable to display a hydration condition indicator associated with the hydration condition measurement. 1. A device , comprising:a housing;a sensor interface integrated into the housing, the sensor interface comprising a first sensor operable to take a plurality of physiological measurements of a user over a period of time; receive, from the sensor interface, the plurality of physiological measurements;', 'determine a change in the plurality of physiological measurements, wherein the change is a relative change in the plurality of physiological measurements or a rate of change in the plurality of physiological measurements; and', an negative change is associated with an increased excretion of fluid indicative of dehydration; and', 'a positive change is associated with a decreased excretion of fluid indicative of rehydration or a rebounding effect; and, 'determine a hydration condition measurement for a body based on the change of the plurality of physiological measurements, wherein], 'a processing device coupled to the sensor interface, the processing device operable toa display device integrated into the housing, ...

SYSTEMS AND METHODS FOR DETECTING MEDICAL TREATMENT

Systems and methods are provided for using stored physiologic information about a subject to detect a previous treatment event. Physiologic information can be sensed from a subject using one or more sensors. Using a detection circuit, a change in the sensed physiologic information, such as a change from reference physiologic information, can be used to identify a candidate previous treatment event. An alert or other information about the candidate treatment event can be provided to a patient or clinician. In an example, a candidate treatment event can include a heart failure or diuresis treatment that is identified using information about a change in one or more of a subject's circadian pattern, a subject's thoracic impedance, or a subject's respiration status. 1. A system for detecting a previous or ongoing treatment of a subject , the system comprising:a first physiologic sensor configured to sense a physiologic signal from the subject; and a memory circuit configured to store information about the physiologic signal from the first physiologic sensor; and', 'a processor circuit configured to identify a candidate previous treatment event for the subject using the information about the physiologic signal stored in the memory circuit., 'a previous treatment detection circuit, the treatment detection circuit including2. The system of claim 1 , wherein the previous treatment detection circuit includes a heart failure (HF) hospitalization treatment detection circuit claim 1 , and wherein the processor circuit is configured to identify a candidate previous HF hospitalization treatment event for the subject using the information about the physiologic signal stored in the memory circuit.3. The system of claim 1 , wherein the previous treatment detection circuit includes a diuresis treatment detection circuit claim 1 , and wherein the processor circuit is configured to identify a candidate previous diuresis treatment event for the subject using the information about the ...

Epidermal Photonic Systems and Methods

The invention provides systems and methods for tissue-mounted photonics. Devices of some embodiments implement photonic sensing and actuation in flexible and/stretchable device architectures compatible with achieving long term, mechanically robust conformal integration with a range of tissue classes, including in vivo biometric sensing for internal and external tissues. Tissue-mounted photonic systems of some embodiments include colorimetric, fluorometric and/or spectroscopic photonics sensors provided in pixelated array formats on soft, elastomeric substrates to achieve spatially and/or or temporally resolved sensing of tissue and/or environmental properties, while minimize adverse physical effects to the tissue. Tissue-mounted photonic systems of some embodiments enable flexible passive or active optical sensing modalities, including sensing compatible with optical readout using a mobile electronic devices such as a mobile phone or tablet computer. 169-. (canceled)70. An epidermal microfluidic sweat patch comprising:a flexible or stretchable substrate;a microfluidic channel disposed in said flexible or stretchable substrate, the microfluidic channel having an inlet on a bottom surface of the flexible or stretchable substrate configured to receive sweat released by skin sweat glands;a cavity disposed in said flexible or stretchable substrate, wherein the cavity is fluidically connected to the inlet or the microfluidic channel for receiving sweat released by skin sweat glands; anda plurality of colorimetric indicators disposed in the microfluidic channel and/or in the cavity for multiparametric detection of a plurality of sweat parameters.71. The epidermal microfluidic sweat patch of claim 70 , wherein said plurality of sweat parameters are two or more sweat parameters selected from the group consisting of:sweat volume and/or sweat rate;sweat pH;glucose concentration;lactate concentration;chloride concentration;creatinine concentration;copper ion concentration;iron ...

APPARATUS FOR OBTAINING BIOLOGICAL INFORMATION

An apparatus for obtaining bio information includes: a first electrode portion including a current electrode and a voltage electrode arranged to contact a first body portion of a subject; a second electrode portion including a current electrode and a voltage electrode arranged to contact a second body portion of the subject; and a measuring unit configured to measure a bio impedance of the subject by applying a current to the current electrodes of the first and second electrode portions and detecting a voltage at the voltage electrodes of the first and second electrode portions. In order to decrease errors of a measured bio impedance, contact resistances of the first and second body portions of the subject contacting the current electrode and the first and second body portions of the subject contacting the voltage electrode are different from each other, for at least one of the first and second electrode portions. 1. A wearable device comprisinga first electrode portion comprising two electrodes configured to be electrically isolated from each other and to be in direct contact with a user of the wearable device; anda second electrode portion comprising two electrodes configured to be electrically isolated from each other and sized and arranged to be simultaneously touchable by a single finger of the user,wherein, when the first electrode portion and the second electrode portion are touched by the user, the first electrode portion and the second electrode portion form a closed circuit through the user, andwherein, first electrode of the two electrodes of the second electrode portion surrounds a second electrode of the two electrodes of the second electrode portion.2. The wearable device of claim 1 , wherein claim 1 , the first electrode of the two electrodes of the second electrode portion has an area different from the second electrode of the two electrodes of the second electrode portion.3. The wearable device of claim 1 , wherein claim 1 , a first electrode of the ...

Biometric assessment in fitness improvement

In some embodiments, an automated system comprises one or more biometric sensors, an interactive screen, and an exercise routine generation application communicable with a mobile application. In some embodiments, the mobile application receives data from an automated station and displays exercise routines, other exercise information, or both. In some embodiments, the mobile application includes a scanner to scan labels, other indicia, or physical or other features of an exercise machine or other exercise apparatus to identify the machine or apparatus. In some embodiments, the mobile application communicates with one or more local or remote databases identifying differing exercise facility locations within a geographic area and identifying exercise apparatus available in each of the differing facilities.

Weight Measurement Device

A weight measurement device comprises: an upper surface cover on which a measurement target is placed; a load cell to detect weight of the measurement target placed on the upper surface cover; a bridge to support the load cell; a receiving member to receive the weight of the measurement target placed on the upper surface cover; and a bottom surface cover provided on a lower surface side of the receiving member, and further comprises a sliding part provided between the lower surface of the receiving member and an upper surface of the bottom surface cover to enable the receiving member to move in a horizontal direction relative to the bottom cover. The bridge comprises a pivot which is a fulcrum to make it possible to change inclination of the bridge relative to the bottom surface cover and is in contact with an upper surface of the receiving member.

ELECTRICAL IMPEDANCE MYOGRAPHY

Electrical impedance myography (EIM) can be used for assessment and diagnosis of muscular disorders. EIM includes applying an electrical signal to a region of tissue and measuring a resulting signal. A characteristic of the region of tissue is determined based on the measurement. Performing EIM at different frequencies and modeling one or more impedance metrics as a function of frequency may provide impedance model parameters that can aid in the assessment and diagnosis. Devices are described that facilitate assessment and diagnosis using EIM. 1. A method comprising:applying a plurality of electrical signals having a plurality of frequencies to a region of tissue, wherein an electrical signal of the plurality of electrical signals has one frequency of the plurality of frequencies;obtaining a plurality of measurements from the region of tissue in response to applying the plurality of electrical signals, wherein each measurement of the plurality of measurements is indicative of an electrical parameter of the region of tissue at one frequency of the plurality of frequencies;determining at least one impedance model parameter associated with an impedance model, at least in part, by fitting a plurality of values for the electrical parameter over the plurality of frequencies to the impedance model; andidentifying at least one biological characteristic of the region of tissue based on the at least one impedance model parameter.2. The method of claim 1 , wherein the at least one biological characteristic is a cell type.3. The method of claim 2 , wherein the cell type is at least one of fast-twitch and slow-twitch.4. The method of claim 1 , wherein the at least one biological characteristic is an amount of an intracellular component.5. The method of claim 1 , wherein the at least one biological characteristic is a structural feature of an intracellular component.6. The method of or claim 1 , wherein the intracellular component is mitochondrion.7. The method of claim 1 , ...

Indicator

A method for use in analysing impedance measurements performed on a subject, the method including, in a processing system determining at least one impedance value, representing the impedance of at least a segment of the subject, determining an indicator indicative of a subject parameter using the at least one impedance value and a reference and displaying a representation of the indicator.

Apparatus and Methods for Determining Damaged Tissue Using Sub-Epidermal Moisture Measurements

The present disclosure provides apparatuses and computer readable media for measuring sub-epidermal moisture in patients to determine damaged tissue for clinical intervention. The present disclosure also provides methods for determining damaged tissue. 122.-. (canceled)23. An apparatus for assessing tissue health , said apparatus comprising:one or more coaxial sensors capable of interrogating tissue at and around an anatomical site, wherein each of said one or more coaxial sensors is configured to emit and receive a radiofrequency signal to generate a bioimpedance signal;a circuit electronically coupled to said one or more coaxial sensors and configured to convert said bioimpedance signal into a sub-epidermal moisture (SEM) value;a processor electronically coupled to said circuit and configured to receive said SEM value; and receiving at least two of said SEM values;', 'determining a maximum SEM value and a minimum SEM value from said received SEM values; and', 'determining a delta difference between said maximum SEM value and said minimum SEM value., 'a non-transitory computer-readable medium electronically coupled to said processor and comprising instructions stored thereon that, when executed on said processor, perform the steps of24. The apparatus of claim 23 , further comprising a visual display coupled to said processor claim 23 , wherein said instructions further comprise a step to provide said delta on said display.25. The apparatus of claim 23 , further comprising a substrate claim 23 , and wherein said one or more coaxial sensors are embedded on a first side of said substrate.26. The apparatus of claim 25 , wherein said substrate is flexible.27. The apparatus of claim 25 , wherein said substrate is rigid.28. The apparatus of claim 27 , further comprising a pressure sensor disposed on a second side opposing said first side of said substrate.29. The apparatus of claim 23 , wherein said radiofrequency signal has a frequency of less than 100 kilohertz (kHz).30 ...

MULTIFREQUENCY SIGNAL PROCESSING CLASSIFIERS FOR DETERMINING A TISSUE CONDITION

Volumetric Electromagnetic Phase Shift Spectroscopy (VEPS)-based methods of analyzing a tissue are provided. Aspects of the methods comprise obtaining a VEPS-based tissue classifier, or “signature” for a tissue at a single point in time. These methods find particular use in non-invasively determining the condition of a tissue, e.g. brain tissue, lung tissue, heart tissue, muscle tissue, skin tissue, kidney tissue, cornea tissue, liver tissue, abdomen tissue, head tissue, leg tissue, arm tissue, pelvis tissue, chest tissue, trunk tissue, prostate tissue, breast tissue, esophagus tissue, GI tract tissue, etc., in an individual. Devices and systems thereof that find use in practicing the subject methods are also provided. 1. A method of obtaining a VEPS tissue signature , comprising:positioning a tissue between a first induction coil and a second induction coil;driving an alternating current in a frequency range through the first induction coil;measuring the alternating current produced in the second induction coil at the frequency range; anddetermining a phase shift of the alternating current between the first induction coil and the second induction coil at the frequency range to obtain a VEPS tissue signature.2. The method according to claim 1 , wherein the frequency range is within between 1 Hz and 1 THz.3. The method according to claim 2 , wherein the frequency range is in the range of between 1 KHz to 20 GHz.4. The method according to claim 3 , wherein the frequency range is within between 0.1 MHz and 150 MHz.5. The method according to claim 2 , wherein the frequency range is in the range of between 1 KHz to 20 GHz.6. The method according to claim 5 , wherein the frequency range is within between 100 MHz and 500 MHz.7. The method according to claim 1 , further comprising:driving an alternating current in a second frequency range through the first induction coil,measuring the alternating current produced in the second induction coil at the second frequency range, ...

BODY WATER CONTENT MEASUREMENT DEVICE, METHOD, AND PROGRAM

A body water content measurement device includes: a measurement section configured to generate a plurality of measurements corresponding to body water content of a subject over time; and an estimation section configured to estimate the body water content in a convergence state based on a plurality of body water content calculated respectively from the plurality of measurements. 1. A body water content measurement device , comprising:a measurement section configured to generate a plurality of measurements corresponding to body water content of a subject over time; andan estimation section configured to estimate the body water content in a convergence state based on a plurality of body water content calculated respectively from the plurality of measurements.2. The body water content measurement device according to claim 1 , whereinthe estimation section calculates a difference in first and second body water content calculated respectively from first and second measurements generated successively by the measurement section, andwhen the difference is equal to or less than a reference value, the estimation section estimates the second body water content as the body water content in the convergence state.3. The body water content measurement device according to claim 1 , wherein the estimation section calculates an approximate expression that is a function of time for approximating the body water content from the plurality of body water content calculated respectively from the plurality of measurements claim 1 , and estimates claim 1 , as the body water content in the convergence state claim 1 , a value of the approximate expression when time approaches infinity.4. The body water content measurement device according to claim 3 , whereinthe estimation section calculates an approximation accuracy of the approximate expression, andwhen the approximation accuracy is equal to or higher than a threshold value, the estimation section sets, as the body water content in the ...

SYSTEM. DEVICE, AND METHODS FOR HYDRATION MONITORING

A method of monitoring hydration including obtaining biological data for a given period of time, wherein the biological data includes measurements of one or more biological indicators; converting the biological data into a baseline value; obtaining real-time biological data from one or more biological sensors; performing a pre-processing analysis of the real-time biological data; comparing the real-time biological data with baseline value to create a hydration index 1. A method of monitoring hydration comprising:obtaining, via one or more biological sensors for a wearable device, real-time biological data;filtering the real-time biological data into real-time biological data corresponding to a rest period;determining a hydration index by comparing the real-time biological data corresponding to the rest period with a baseline value representing a euhydrated state; anddetermining whether the hydration index falls within a predetermined range of expected values.2. The method of claim 1 , further comprising:generating an updated baseline value based at least in part on the hydration index.3. The method of claim 1 , wherein filtering the real-time biological data is filtered using a pre-processing analysis which includes a mathematical analysis selected from the group comprising neural networks claim 1 , support vector machines claim 1 , Bayesian methods claim 1 , linear regression methods claim 1 , moving average claim 1 , trimmed mean claim 1 , FIR filter claim 1 , IIR filter claim 1 , low-pass filter claim 1 , analytic function(s) claim 1 , extended Kalman filter claim 1 , piecewise-linear regression functions claim 1 , and combinations thereof.4. The method of claim 1 , wherein the baseline value is based on biological data for a user over a given period of time.5. The method of claim 1 , further comprising:tracking a loss in fluid volume of a user based on volume loss models; andcalculating the effect of the loss in fluid volume on the user's hydration index.6. The ...

ADAPTIVE SYSTEM FOR BLOOD FLUID REMOVAL

Methods for monitoring patient parameters and blood fluid removal system parameters include identifying those system parameters that result in improved patient parameters or in worsened patient parameters. By comparing the patient's past responses to system parameters or changes in system parameters, a blood fluid removal system may be able to avoid future use of parameters that may harm the patient and may be able to learn which parameters are likely to be most effective in treating the patient in a blood fluid removal session. 1. A method carried out by a blood fluid removal system , comprising:storing a second data in a most effective to date data set; wherein the second data is data regarding system parameters employed in a first blood fluid removal session of a patient; and wherein a first data is data regarding the patient, the first data including one or more of a physiological parameter and time since last blood fluid removal session prior to the first blood fluid removal session of the patient; wherein at least one physiological parameter is measured in a dialysate;storing the second data in a least effective to date data set;determining whether at least one physiological parameter in a third data is closer to a target value than the first data; and replacing the data in the most effective to date data set with a fourth data if the third data is closer to the target value than the first data;wherein the third data is data regarding the patient, the data including one or more of a physiological parameter and time since last blood fluid removal session prior to a second blood fluid removal session of the patient; wherein at least one physiological parameter is measured in a dialysate; and wherein the fourth data is data regarding system parameters employed in the second blood fluid removal session of the patient;determining whether at least one physiological parameter in the third data is further from a target value than the first data; and replacing the data ...

Method for providing health care information by using cloud-based portable device for measuring body fat and device using same

A method for providing health care information by using a cloud-based portable device for measuring body fat and a device using the same are disclosed. A health care information providing method is a method for allowing a cloud-based server to provide health care information, and comprises the steps of: collecting body fat measurement results from portable devices for measuring body fat of users; generating reference data for each group or each region on the basis of the collected body fat measurement results; and acquiring personal body fat measurement result information on the basis of the generated reference data.

Dynamic bio impedance range adjustment for a medical device

This disclosure is directed to devices, systems, and techniques for dynamically adjusting a bio impedance measurement range. An example device includes a plurality of electrodes. The device also includes sensing circuitry configured to sense a bio impedance and processing circuitry. The processing circuitry is configured to apply an excitation signal to the sensing circuitry and, based on the application of the excitation signal, determine a sensed bio impedance value within a bio impedance measurement range. The processing circuitry is also configured to determine whether the sensed bio impedance value is within a predetermined portion of the bio impedance measurement range for a predetermined period of time and based on the sensed bio impedance value being within the predetermined portion of the bio impedance measurement range for the predetermined period of time, adjust the excitation signal.

Apparatus and Methods for Determining Damaged Tissue Using Sub-Epidermal Moisture Measurements

The present disclosure provides apparatuses and computer readable media for measuring sub-epidermal moisture in patients to determine damaged tissue for clinical intervention. The present disclosure also provides methods for determining damaged tissue. 122.-. (canceled)23. An apparatus comprising:one or more bioimpedance sensors capable of interrogating tissue using a radiofrequency signal to generate a bioimpedance signal;at least one contact sensor proximate to at least one of said one or more bioimpedance sensors; anda first circuit coupled to said at least one contact sensor and configured to determine when said at least one of said one or more bioimpedance sensors is in complete contact with a skin surface over said tissue.24. The apparatus of claim 23 , wherein said bioimpedance signal is representative of a moisture content of said tissue.25. The apparatus of claim 24 , wherein an increase in said moisture content is indicative of an increase in fluid within said tissue.26. The apparatus of claim 25 , wherein said increase in fluid within said tissue is indicative of tissue damage.27. The apparatus of claim 23 , wherein said at least one contact sensor comprises one or more sensors selected from the group consisting of a pressure sensor claim 23 , a light sensor claim 23 , a temperature sensor claim 23 , a pH sensor claim 23 , a perspiration sensor claim 23 , an ultrasonic sensor claim 23 , and a bone growth stimulator sensor.28. The apparatus of claim 23 , further comprising a substrate having a first side claim 23 , and wherein said one or more bioimpedance sensors and said at least one contact sensors are embedded on said first side of said substrate.29. The apparatus of claim 28 , wherein said substrate is flexible.30. The apparatus of claim 28 , wherein said substrate is rigid.31. The apparatus of claim 23 , wherein said one or more bioimpedance sensors comprise a coaxial sensor.32. The apparatus of claim 23 , where at least one of said one or more ...

Apparatus and Methods for Determining Damaged Tissue Using Sub-Epidermal Moisture Measurements

The present disclosure provides apparatuses and computer readable media for measuring sub-epidermal moisture in patients to determine damaged tissue for clinical intervention. The present disclosure also provides methods for determining damaged tissue. 122.-. (canceled)23. A method for assessing tissue health at and around a target location , comprising the steps of:obtaining a bioimpedance signal at the target location,obtaining a first plurality of bioimpedance signals at a respective plurality of locations along a first ring centered on and having a first radial distance from the target location,calculating a first average of the first plurality of bioimpedance signals,calculating a first difference between the first average and the bioimpedance signal obtained at the target location, anddetermining that the tissue is damaged if the first difference exceeds a predetermined threshold.24. The method of claim 23 , further comprising the steps of:obtaining a second plurality of bioimpedance signals at a respective plurality of locations along a second ring centered on and having a second radial distance from the target location, wherein the second radial distance is greater than the first radial distance,calculating a second average of the second plurality of bioimpedance signals, andcalculating a second difference between the second average and the bioimpedance signal obtained at the target location;wherein the step of determining that the tissue is damaged comprises determining that the tissue is damaged if any of the first difference and second difference exceed the predetermined threshold.25. The method of claim 24 , wherein the first ring is positioned equidistantly between the target location and the second ring.26. The method of claim 24 , wherein the locations along the first and second rings are disposed on a single straight line passing through the target location.27. The method of claim 24 , further comprising the step of:determining that an edge of ...

Epidermal Devices for Analysis of Temperature and Thermal Transport Characteristics

Tissue-mounted devices and methods for monitoring a thermal transport property (e.g., thermal conductivity, thermal diffusivity, heat capacity) of tissue, such as skin, are disclosed. The devices conformally mount to the tissue and comprise one or more thermal actuators and a plurality of sensors. The actuator applies heat to the tissue and the sensors detect a spatio temporal distribution of a physiological tissue parameter or physical property resulting from the heating. This spatio temporal information may be correlated with a rate, velocity and/or direction of blood flow, the presence of a vascular occlusion, circulation changes due to in flammation, hydration level and other physiological parameters.

BIO-PROCESSOR, BIO-SIGNAL DETECTING SYSTEM, AND OPERATION METHOD OF BIO-PROCESSOR

A bio-processor, a bio-signal detecting system, and an operation method of the bio-processor are provided. The bio-processor includes a bioelectrical impedance sensor and a digital signal processor. The bioelectrical impedance sensor measures bioelectrical impedance during a sensing time including a portion of a settling time. The digital signal processor estimates a settled bioelectrical impedance value based on changes in the measured bioelectrical impedance. The digital signal processor generates bio-data based on the settled bioelectrical impedance value. The bio-processor reduces a time when a bio-signal is measured and ensures accuracy of the settled bioelectrical impedance value. 1. A bio-processor , comprising:a bioelectrical impedance sensor configured to measure a measured bioelectrical impedance during a sensing time such that the sensing time includes a portion of a settling time, the settling time being prior to the measured bioelectrical impedance reaching a settled bioelectrical impedance value; and estimate the settled bioelectrical impedance value based on changes in the measured bioelectrical impedance, and', 'generate bio-data based on the settled bioelectrical impedance value., 'a digital signal processor configured to,'}2. The bio-processor of claim 1 , wherein the digital signal processor is configured to:model the changes in the measured bioelectrical impedance in a fitting function to generate a modeled fitting function; andestimate the settled bioelectrical impedance value based on the modeled fitting function.3. The bio-processor of claim 2 , wherein the digital signal processor is configured to:calculate a time when the measured bioelectrical impedance is settled from the modeled fitting function; andestimate the settled bioelectrical impedance value based on the time.4. The bio-processor of claim 2 , wherein the modeled fitting function is a natural logarithmic function.5. The bio-processor of claim 2 , wherein the digital signal ...

OEDEMA TREATMENT AND MONITORING SAME

The present disclosure relates in general to methods for treating oedema and methods for monitoring the effect of the treatment. More specifically, the present disclosure includes measurement of a measure of a circumference of a body part, wherein the body part may have swelled, such that it for example can be observed whether the swelling decreases or increases. 1. A method for determining the efficiency of a compression bandaging , said method comprising: one or more electrically conducting layer(s) on or around at least a part of said body part, wherein the electrically conducting layer(s) is/are stretchable;', 'a measuring unit that is electrically connected to the one or more electrically conductive layer(s), wherein the measuring unit is configured for measuring an electric property related to the one or more electrically conducting layer(s), wherein the electric property is related to the measure of the circumference of the body part, and wherein the electric property is the capacitance, and wherein the capacitance is proportional to the length of the one or more electrically conducting layer(s);, 'on a body part having the compression bandaging, wherein the bandaging comprises at least one sensor under, within or over said bandaging, each sensor comprising;'}registering a plurality of measures of the circumference of the body part during a predetermined period,determining that the compression bandaging, is efficient when the circumference of the body part has decreased to below a predetermined cutoff value and/or the decrease of the circumference of the body part is above a predetermined cutoff value after said predetermined period.2. The method according to claim 1 , wherein the predetermined period is at least 12 hours claim 1 , such as at least 24 hours claim 1 , such as at least 2 days claim 1 , such as at least 3 days.3. The method according to claim 1 , wherein the cutoff for the decrease is at least 0.5 to 3.0 cm.4. (canceled)5. The method according ...

DRY WEIGHT PREDICTOR

Methods and apparatus for predicting/estimating the dry weight of an individual, e.g., a patient undergoing dialysis treatment, are provided. The techniques employ a bioimpedance measurement () on the individual's calf () to obtain information regarding the extracellular fluid volume of the calf Using a measurement of the calfs circumference (), a resistivity value is calculated, normalized by the individual's body mass index (BMI), and then offset by a reference value to obtain a new variable, ΔnRho, which is shown, by comparison with a “gold standard” (FIGS. -), to be highly effective in predicting/estimating dry weight (FIGS. - and -). The techniques are easy to use and provide accurate dry weight predictions/estimations without substantially adding to the complexity or cost of dialysis procedures. The techniques can also be used for individuals who are not renal patients, e.g., patients suffering from other diseases in which fluid overload can occur, athletes, fitness enthusiasts, and the like. 162.-. (canceled)63. A method of determining a target dry weight of an individual , comprising:obtaining a resistance value R of extracellular fluid volume of a calf of the individual;obtaining a circumference C of the calf;{'sub': 'N', 'determining a normalized resistivity ρbased on the resistance value R, the circumference C, and a body mass index (BMI) value of the individual;'}{'sub': N', 'N, 'determining a difference value ΔnRho between the normalized resistivity ρand a reference value K for the normalized resistivity ρ, the reference value K being representative of a population of reference individuals; and'}determining the target dry weight of the individual based on the difference value ΔnRho.64. The method of claim 63 , comprising determining a dosage of a medicament based on the target dry weight to determine a dosage of a medicament.65. The method of claim 64 , comprising administrating the dosage of the medicament to the user.66. The method of claim 64 , the ...

Portable hydration monitoring device and methods

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

DEVICE AND METHOD HAVING AUTOMATIC USER-RESPONSIVE AND USER-SPECIFIC PHYSIOLOGICAL-METER PLATFORM

Aspects of the present disclosure are directed to a CPU and a memory circuit that has user-corresponding data stored on the memory circuit, and a platform over which a plurality of electrodes are interleaved, and configured for engaging the user. Based on a plurality of impedance-measurement signals being obtained from the electrodes, signals are generated that correspond to cardiovascular timings specific to the user. In such aspects of the present disclosure, pulse characteristic signals are determined based on the plurality of impedance-measurement signals and comparisons of user-obtained data are made relative to user-data profiles stored in the memory circuit. 1. A weighing scale comprising:a CPU and a memory circuit with user-corresponding data stored in the memory circuit, and a platform over which a plurality of electrodes are interleaved and configured and arranged for engaging a user while the user stands on the platform;circuitry configured and arranged for obtaining a plurality of measurement signals from the plurality of electrodes, the circuitry having a first power-consumption mode of operation and a second power-consumption mode of operation; using a signal-sense circuit to sense wireless-signals indicative of the user approaching the platform and, in response, causing the circuitry to transition from the first power-consumption mode of operation to the second power-consumption mode of operation;', 'after the circuitry is operating in the second power-consumption mode of operation, causing the CPU to access the user-corresponding data stored in the memory circuit and thereafter cause a plurality of impedance-measurement signals to be obtained by using the plurality of electrodes while they are contacting the user via the platform and, therefrom, generating signals corresponding to cardiovascular timings of the user., 'the CPU, the memory circuit and the plurality of electrodes being configured and arranged to2. A weighing scale constructed and ...

MEASUREMENT OF PHYSIOLOGICAL CHARACTERISTICS

A system for measuring physiological aspects has a non-invasive monitor configured to generate monitor signals relating to fluid characteristics in the head and body. A computational device is operatively connected to the monitor and is configured to process the monitor signals to generate characterizing data relating to at least one of regional fluid volumes, intra/extracellular fluid volume ratios and blood flow. A data output device is connected to the computational device and is configured to output the characterizing data. A method and a computer program product for recording, measuring, and displaying physiological characteristics are also provided. 1. A system for measuring physiological aspects , the system comprising:a. a non-invasive monitor consisting of and configured to capture impedance data on at least three different frequencies;b. a computational device operatively connected to the monitor and configured to process the impedance data to generate characterizing data relating to at least one of regional fluid volumes, intra/extracellular fluid volume ratios and blood flow; andc. a data output device connected to the computational device and configured to output the characterizing data.2. The system as claimed in claim 1 , which includes at least one excitation electrode for providing an electrical stimulus across selected head or body areas.3. The system as claimed in claim 1 , in which the monitor comprises a number of electrodes that are configured to be placed in a non-invasive manner into operative engagement with the head claim 1 , body or the head or body claim 1 , such that at least one electrode engages each of a number of respective segments of the head and the body.4. The system as claimed in claim 1 , in which the monitor is configured to record steady state resistance on each frequency as well as pulsing wave resistance on at least three different frequencies.5. The system as claimed in claim 1 , in which the monitor is configured to use ...

WEARABLE DEVICES INCORPORATING ION SELECTIVE FIELD EFFECT TRANSISTORS

Techniques for measuring ion related metrics at a user's skin surface are disclosed. In one aspect, a method for operating a wearable device may involve determining, based on output of one or more ion selective field effect transistor sensors, various physiological conditions such as a state of hydration, a state of skin health, or the cleanliness of the wearable device or an associated garment. 1. A wearable device for monitoring hydration of a user , comprising:an ion selective field effect transistor; anda reference electrode, wherein the ion selective field effect transistor and the reference electrode are configured to be in direct contact with a user's skin.2. The wearable device of claim 1 , wherein the reference electrode is selected from the group consisting of an Ag/AgCl electrode claim 1 , an Ag/AgCl plastic composite electrode claim 1 , an Ag/AgCl gel electrode claim 1 , an Ag/AgCl electrode coated with a permeable membrane claim 1 , a polypyrrole electrode claim 1 , and a poly(3 claim 1 ,4-ethylenedioxythiophene) electrode.3. The wearable device of claim 1 , wherein the reference electrode comprises a conductive polymer material claim 1 , wherein the conductive polymer is undoped or doped.4. The wearable device of claim 3 , wherein the conductive polymer material is doped with one or more mediators.5. The wearable device of claim 4 , wherein the one or more mediators comprise ferrocene and/or ferrocene derivatives.6. The wearable device of claim 1 , further comprising a temperature sensor claim 1 , wherein the temperature sensor is integrated with the ion selective field effect transistor claim 1 , and wherein the temperature sensor is configured to be in direct contact with the user's skin when the wearable device is in use.7. The wearable device of claim 1 , wherein the ion selective field effect transistor is incorporated into a housing claim 1 , wherein a portion of the ion selective field effect transistor is situated on a protrusion of the housing ...

MOBILE TERMINAL AND METHOD FOR CONTROLLING THE SAME

A mobile terminal includes: a terminal body forming an outer appearance; a wireless communication unit configured to perform wireless communication with an external device including a first electrode unit installed to be in contact with a part of a user's body; a second electrode unit disposed in a region of the terminal body and brought into contact with the user's body to form a closed sloop with the first electrode unit; and a control unit configured to form a body fat measurement result using a voltage formed by a current flowing between the first and second electrode units. 1. A mobile terminal , comprising:a terminal body;a wireless communication unit capable of performing wireless communication with an external device that includes a first electrode unit positionable to permit contact with a part of a user's body;a second electrode unit arranged in the terminal body to permit contact with another part of the user's body to form a closed loop with the first electrode unit; anda controller configured to:obtain a body fat measurement using a voltage formed by a current flowing between the first electrode unit and the second electrode unit when the first electrode is in contact with the part of the user's body and the second electrode unit is in contact with the another part of the user's body.2. The mobile terminal of claim 1 , further comprising:an audio output unit, wherein the second electrode unit is located adjacent to the audio output unit.3. The mobile terminal of claim 2 , wherein the controller is further capable of:identifying impedance using the voltage between first electrode unit and the second electrode unit when a call function is performed with an external terminal and when the second electrode is sensed as being in contact with the another part of the user's body.4. The mobile terminal of claim 3 , wherein the controller is further capable of:cause the wireless communication unit transmitting a result of the body fat measurement to the external ...

COVER FOR ORAL INSTRUMENT

In a cover for covering a part of an oral instrument, a cover member is formed in a bag shape having an opening formed by partially bonding a measurement surface side sheet and an upper side sheet disposed to face each other. A protective sheet is bonded to the measurement surface side sheet of the cover member. The protective sheet protrudes from an opening edge of the cover member when viewed in a thickness direction of the cover member. Further, a bonded portion where the protective sheet and the cover member are bonded to each other is disposed along the opening edge of the cover member. 1. A cover for covering at least a part of an oral instrument inserted into an oral cavity , the cover comprising:a cover member having a bag shape, the cover member comprising a pair of sheets facing each other and partially bonded to each other, the pair of sheets defining an opening where the pair of sheets are not bonded to each other; anda protective sheet comprising a bonded portion bonded to any one of the pair of sheets configuring the cover member, whereinthe protective sheet comprises a protruding portion that protrudes from an opening edge of the cover member when viewed in a thickness direction of the cover member, andthe bonded portion where the protective sheet and the one of the pair of sheets configuring the cover member are bonded to each other is disposed along the opening edge of the cover member.2. The cover for the oral instrument according to claim 1 , whereinthe bonded portion has an adhesive force per 25 millimeters being smaller than 1.0 newton.3. The cover for the oral instrument according to claim 1 , whereina support member comprises an attached portion that is attached to another sheet of the pair of sheets configuring the cover member, andthe support member comprises a protruding portion that protrudes from the opening edge of the cover member when viewed in the thickness direction of the cover member.4. The cover for the oral instrument according ...

APPLICATION OF ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY IN SENSOR SYSTEMS, DEVICES, AND RELATED METHODS

A diagnostic Electrochemical Impedance Spectroscopy (EIS) procedure is applied to measure values of impedance-related parameters for one or more sensing electrodes. The parameters may include real impedance, imaginary impedance, impedance magnitude, and/or phase angle. The measured values of the impedance-related parameters are then used in performing sensor diagnostics, calculating a highly-reliable fused sensor glucose value based on signals from a plurality of redundant sensing electrodes, calibrating sensors, detecting interferents within close proximity of one or more sensing electrodes, and testing surface area characteristics of electroplated electrodes. Advantageously, impedance-related parameters can be defined that are substantially glucose-independent over specific ranges of frequencies. An Application Specific Integrated Circuit (ASIC) enables implementation of the EIS-based diagnostics, fusion algorithms, and other processes based on measurement of EIS-based parameters. 1. A method of calculating a single , fused sensor glucose value based on respective glucose measurement signals of a plurality of redundant sensing electrodes , comprising:performing respective electrochemical impedance spectroscopy (EIS) procedures for each of the plurality of redundant sensing electrodes to obtain values of at least one impedance-based parameter for each said sensing electrode;measuring the electrode current (Isig) for each of the plurality of redundant sensing electrodes;calibrating each of the measured Isigs by using a blood glucose (BG) value to obtain respective calibrated sensor glucose values; calculating a first similarity index to determine an amount of divergence between respective Isigs of at least a first one and a second one of said plurality of redundant sensing electrodes;', 'calculating a second similarity index to determine an amount of divergence between respective values of the at least one impedance-based parameter for said at least first one and ...

INTRACRANIAL BIOIMPEDANCE MEASUREMENT

A method for assessing a patient may involve performing a first diagnostic procedure on the patient. The first diagnostic procedure may involve securing a volumetric integral phase-shift spectroscopy (VIPS) device to the patient's head, measuring an intracranial bioimpedance with the VIPS device, and detecting an asymmetry based on the measured intracranial bioimpedance. The method may further involve performing a second diagnostic procedure on the patient using an additional diagnostic device, receiving first patient data from the first diagnostic procedure and second patient data from the second diagnostic procedure in a computer processor, processing the first patient data and the second patient data with the computer processor, and generating an assessment of the patient with the computer processor, based at least in part on the processed first patient data and second patient data. 1. A method for assessing a patient , the method comprising: ["securing a volumetric integral phase-shift spectroscopy (VIPS) device to the patient's head;", 'measuring an intracranial bioimpedance with the VIPS device; and', 'detecting an asymmetry based on the measured intracranial bioimpedance;, 'performing a first diagnostic procedure on the patient, the first diagnostic procedure comprisingperforming a second diagnostic procedure on the patient using a first additional diagnostic device;receiving first patient data from the first diagnostic procedure and second patient data from the second diagnostic procedure in a computer processor;processing the first patient data and the second patient data with the computer processor; andgenerating an assessment of the patient with the computer processor, wherein the assessment is based at least in part on the processed first patient data and second patient data.2. The method of claim 1 , wherein the first additional diagnostic device is selected from the group consisting of an automated external defibrillator claim 1 , a trans-cranial ...

OEDEMA DETECTION

A method of detecting tissue oedema in a subject. The method includes determining a measured impedance for first and second body segments. An index indicative of a ratio of the extra-cellular to intra-cellular fluid is then calculated for each body segment, with these being used to determine an index ratio based on the index for the first and second body segments. The index ration can in turn be used to determine the presence, absence or degree of tissue oedema, for example by comparing the index ratio to a reference or previously determined index ratios. 1. A method of detecting tissue oedema in a subject , the method including , in a processing system:determining a measured impedance for first and second body segments;for each body segment, and using the measured impedance, determining an index indicative of a ratio of the extra-cellular to intra-cellular fluid;determining an index ratio based on the index for the first and second body segments; anddetermining the presence, absence or degree of tissue oedema based on the index ratio.2. A method according to claim 1 , wherein the method includes claim 1 , in the processing system:comparing the index ratio to at least one reference; anddetermining the presence, absence or degree of tissue oedema based on the results of the comparison.3. A method according to claim 2 , wherein the reference includes at least one of:a predetermined threshold;a tolerance determined from a normal population; anda predetermined range.4. A method according to claim 2 , wherein the reference includes an index ratio previously determined for the subject.5. A method according to claim 4 , wherein the previously determined index ratio is determined prior to the subject undergoing at least one of:surgery; andtreatment.6. A method according to claim 1 , wherein the first and second body segments are different types of body segment.7. A method according to claim 1 , wherein the first and second body segments are limbs.8. A method according to ...

METHOD AND DEVICE FOR DETERMINING BODY COMPOSITION

An arrangement () is for creating body composition images of a body part by placing the apparel () in direct contact with the desired body part. The results of the image are shown on separate mobile devices (), such as e.g. a mobile phone, tablet computer or similar device. The image and derivative information can be calculated on the mobile device () or with external computation resources. 2. A system of claim 1 , wherein said data processing unit is a mobile communication device.3. A system of claim 1 , wherein said data processing unit is an external data processing unit claim 1 , like a cloud system claim 1 , and wherein said data acquisition device is configured to send the raw data to said data processing unit via a mobile communication device.4. A system of claim 1 , wherein said data processing unit is configured to provide said image to the display of said mobile communication device.5. A system of claim 1 , wherein said non-stretchable layer comprises conductive paths for supplying electric current to the electrodes configured to inject electric current into the volume of the body of the patient claim 1 , as well as transferring measured voltage from at least one pair of electrodes configured to measure said resulting voltage on the skin of said patient.6. A system of claim 1 , wherein said data acquisition device comprises a current source configured to supply current with constant frequency in a range of 10-200 kHz claim 1 , more advantageously in a range of 50-100 kHz.7. A system of claim 1 , wherein said system is configured to measure multiple periods of the electrode voltages and a reference voltage from the current injection in order to measure a phase delay of the electrode voltages.8. A data acquisition device for determining internal body composition of a patient claim 1 , said data acquisition device being configured to gather measurement signals as raw data on the skin of the patient claim 1 , wherein said data acquisition device comprising:at ...

INTRAVAGINAL SYSTEM FOR MENSTRUAL CYCLE MONITORING

A menstrual cycle monitoring system can be used to monitor fertility. The menstrual cycle monitoring system can comprise an intravaginal body which includes a hydration sensing probe(s) and/or sensor(s) and a temperature sensor oriented to measure bioelectrical impedance, resistance and/or conductance within cervical mucus and/or the vaginal environment and basal body temperature, respectively. A data communication unit stores and optionally transmits collected fertility data which includes at least the measured bioelectrical impedance, resistance and/or conductance and temperature over time. A power source can be electrically coupled to the hydration sensing probe(s) and/or sensor(s), temperature sensor and the data communication unit. 1. A menstrual cycle monitoring device comprising;a) an intravaginal ring including at least one sensing probe and/or sensor oriented to measure bioelectrical impedance, resistance or conductance;b) a data communication unit that is configured to store and transmit collected fertility data which includes at least the measured bioelectrical impedance, resistance, and/or conductance over time;c) a temperature sensor configured to measure body temperature and communicate the measured body temperature to the data communication unit; andd) a power source electrically coupled to the sensing probe(s) and/or sensor(s) and the data communication unit.2. The device of claim 1 , wherein the intravaginal ring further comprises an annular body sized to be oriented in the vaginal vault and/or the vaginal environment proximal to the cervix.3. The device of claim 2 , wherein the annular body is formed of medical-grade silicone or polyurethane.4. The device of claim 2 , wherein the power source is selectively removable from the annular body.5. The device of claim 1 , wherein the sensing probe(s) and/or sensor(s) includes a complementary set of electrodes.6. (canceled)7. The device of claim 1 , wherein the sensing probe(s) and/or sensor(s) further ...

Absolute intrathoracic impedance based scheme to stratify patients for risk of a heart failure event

A health care system acquires data determines whether a patient is at risk of hypervolemia or hypovolemia. The method comprises (a) acquiring from a device memory a patient's absolute intrathoracic impedance data over a pre-specified time period, (b) determining a running average of the intrathoracic impedance data over the pre-specified time period, and (c) determining by the system whether the running average of the intrathoracic impedance data over the pre-specified time period exceeds one of a first and second range, the first range being a higher value boundary of intrathoracic electrical impedance and the second range being a lower value boundary of intrathoracic electrical impedance.

SYSTEM & METHOD FOR ESTIMATING SUBSTANCE CONCENTRATIONS IN BODILY FLUIDS

One implementation described herein includes a system for providing at least an estimate of substance concentrations in a bodily fluid. The system comprises a first emitter for generating signals using a first sensing modality, a first detector configured to detect signals from said first emitter that have travelled through the bodily fluid and output a corresponding first detector signal; a second emitter for generating signals using a second sensing modality different to said first sensing modality, a second detector configured to detect signals from said second emitter that have travelled through the bodily fluid and output a corresponding second detector signal; and a processor configured to receive the detector signals from said first and second detectors, to process said signals and to output an indication of at least an estimate of the concentration of said substance in said bodily fluid. 1. A system for providing at least an estimate of substance concentrations in a bodily fluid , the system comprising:a first emitter for generating signals using a first sensing modality,a first detector configured to detect signals from said first emitter that have travelled through the bodily fluid and output a corresponding first detector signal;a second emitter for generating signals using a second sensing modality different to said first sensing modality,a second detector configured to detect signals from said second emitter that have travelled through the bodily fluid and output a corresponding second detector signal; anda processor configured to receive the detector signals from said first and second detectors, to process said signals and to output an indication of at least an estimate of the concentration of said substance in said bodily fluid.2. The system according to claim 1 , comprising a control module claim 1 , and a probe coupled to the control module for communication therewith.3. The system according to claim 2 , wherein the control module comprises a ...

Wearable Device for the Arm with Close-Fitting Biometric Sensors

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

MEAL DETECTION DEVICES AND METHODS

Devices and methods for detecting meal intake are disclosed herein. In some embodiments, one or more sensors can be used to detect or monitor physiological parameters of a user (e.g., heart rate, body movements, temperature, pH, impedance, gastric stretch, sound emissions, and the like). The outputs of the sensors can be received by a computer system configured to analyze the sensor data and make a determination as to whether meal intake has occurred or is presently occurring. The computer system's determination can be used to trigger, modulate, or otherwise control one or more therapeutic devices. Other types of devices can also be controlled using this determination, such as monitoring or logging devices. 122-. (canceled)23. A meal detection system , comprising:an impedance sensor configured to measure impedance across one or more portions of a user;an accelerometer configured to sense movement of one or more portions of the user; anda processor in communication with the impedance sensor and the accelerometer and configured to analyze outputs of the impedance sensor and the accelerometer to detect meal intake by the user, the processor being further configured to trigger a controlled device to deliver a therapy to the user in response to meal intake detected by the processor.24. The system of claim 23 , wherein the impedance sensor and the accelerometer are disposed external to the user.25. The system of claim 23 , wherein the processor is configured to calculate an impedance sensor index claim 23 , an impedance sensor threshold value claim 23 , an accelerometer index claim 23 , and an accelerometer threshold value.26. The system of claim 25 , wherein the processor is configured to determine that solid meal intake occurred when the impedance sensor index exceeds the impedance sensor threshold value.27. The system of claim 25 , wherein the processor is configured to determine that liquid meal intake occurred when the impedance sensor index does not exceed the ...

METHOD AND APPARATUS FOR ESTIMATING THE FLUID CONTENT OF A PART OF THE BODY OF A SUBJECT

There is provided a method for estimating the volume of fluid in part of the body of a subject, the method comprising obtaining a measurement of the circumference, c, of the part of the body of the subject; obtaining a measurement of the impedance of the part of the body of the subject using electrodes attached across the part of the body of the subject; and estimating the volume of fluid in the part of the body of the subject from the measurement of impedance and the measurement of the circumference c. An apparatus comprising a control unit configured to perform the method is also provided. 2. A method as claimed in claim 1 , wherein the step of obtaining a measurement of the circumference c comprises:obtaining the measurement of the circumference c using a circumference sensor placed around the chest of the subject.3. A method as claimed in claim 2 , wherein the step of obtaining a measurement of the circumference c comprises:obtaining a plurality of measurements of the circumference using a circumference sensor placed around the chest of the subject, and averaging the plurality of measurements to provide the measurement of the circumference c.4. (canceled)5. A method as claimed in claim 1 , further comprising the step of:obtaining a measurement of the distance, d, between the electrodes across the skin of the subject.6. A method as claimed in claim 5 , wherein the step of obtaining a measurement of the distance claim 5 , d claim 5 , between the electrodes across the skin of the subject comprises:obtaining a measurement of the distance d using a sensor.7. A method as claimed in claim 1 , wherein the step of obtaining a measurement of the impedance of the part of the body of the subject comprises:applying alternating current at a plurality of frequencies across the chest of the subject and measuring the potential at each frequency.9. (canceled)10. A computer program product claim 1 , comprising computer readable code embodied therein claim 1 , the computer readable ...

ELECTRONIC DEVICE AND CONTROLLING METHOD THEREOF

Disclosed are an electronic device and operating method thereof. The present invention includes recognizing an electrode initially in contact with the user's body part among a plurality of electrodes as a first pair, recognizing the rest of the electrodes contacted with the user's body as a second pair, measuring a current flowing between the recognized first and second pairs, determining a biometric information of the user based on the measured current and load, and outputting the determined biometric information. 1. An electronic device , comprising:a display;a sensor module configured to measure a load of a user;an electrode module configured to be in contact with a body part of the user to enable a current to flow through; anda controller configured to recognize an electrode initially in contact with the user's body part among a plurality of electrodes included in the electrode module as a first pair, recognize the rest of the electrodes in contact with the user's body part as a second pair, measure a current flowing between the recognized first and second pairs, determine a biometric information of the user based on the measured current and load, and output the determined biometric information on the display.2. The electronic device of claim 1 , wherein the controller measures the current flowing from at least one electrode included in the first pair to at least one electrode included in the second pair via the user's body part and measures a bioelectrical impedance corresponding to the user based on the measured current.3. The electronic device of claim 1 , wherein the sensor module comprises a plurality of load cells configured to sense the load and wherein each of a plurality of the load cells measures the load of the user.4. The electronic device of claim 3 , wherein the controller determines a weight center of the user based on the load sensed by each of a plurality of the load cells.5. The electronic device of claim 4 , wherein the display comprises a ...

APPLICATION OF ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY IN SENSOR SYSTEMS, DEVICES, AND RELATED METHODS

A diagnostic Electrochemical Impedance Spectroscopy (EIS) procedure is applied to measure values of impedance-related parameters for one or more sensing electrodes. The parameters may include real impedance, imaginary impedance, impedance magnitude, and/or phase angle. The measured values of the impedance-related parameters are then used in performing sensor diagnostics, calculating a highly-reliable fused sensor glucose value based on signals from a plurality of redundant sensing electrodes, calibrating sensors, detecting interferents within close proximity of one or more sensing electrodes, and testing surface area characteristics of electroplated electrodes. Advantageously, impedance-related parameters can be defined that are substantially glucose-independent over specific ranges of frequencies. An Application Specific Integrated Circuit (ASIC) enables implementation of the EIS-based diagnostics, fusion algorithms, and other processes based on measurement of EIS-based parameters. 16-. (canceled)7. A method for detection of sensitivity loss for a working electrode of a sensor , the method comprising:accessing, by a microprocessor, multiple sets of impedance related data for the working electrode over time, wherein an electrochemical impedance spectroscopy (EIS) procedure is performed to generate the multiple sets of impedance related data, and each of the multiple sets of impedance related data includes data for at least one impedance-related parameter that is substantially glucose-independent;based on multiple sets of impedance related data, calculating, by the microprocessor, real impedance values at 0.105 Hz and voltages at the working electrode;determining, by the microprocessor, based on the real impedance values and voltages over time, that the working electrode is experiencing an oxygen deficiency-led loss of sensitivity based on the real impedance values becoming more positive over time and the voltages reaching a rail voltage; andbased on the ...

APPARATUS AND METHOD FOR MEASURING A BIOSIGNAL

An apparatus and method for measuring a biosignal are provided. The apparatus may include an optical sensor configured to emit light in a measurement region to an object of interest, and receive an optical signal reflected from the object of interest. The apparatus may include a bioelectrical impedance sensor configured to measure a depth-specific bioelectrical impedance in the measurement region of the optical sensor. 1. An apparatus for measuring a biosignal , comprising: emit light in a measurement region to an object of interest; and', 'receive an optical signal reflected from the object of interest; and, 'an optical sensor configured to 'measure a depth-specific bioelectrical impedance in the measurement region of the optical sensor.', 'a bioelectrical impedance sensor configured to2. The apparatus of claim 1 , wherein the bioelectrical impedance sensor is configured to measure the depth-specific bioelectrical impedance by adjusting a spacing of electrodes claim 1 , an area of an electrode claim 1 , or a measurement frequency.3. The apparatus of claim 2 , wherein the bioelectrical impedance sensor comprises:a first electrode and a second electrode that are spaced a first distance apart from each other and are disposed symmetrically with respect to the optical sensor;a third electrode and a fourth electrode that are spaced a second distance apart from each other and are disposed symmetrically with respect to the optical sensor; and measure a first bioelectrical impedance at a first depth using the first electrode and the second electrode; and', 'measure a second bioelectrical impedance at a second depth using the third electrode and the fourth electrode., 'an impedance measurer configured to4. The apparatus of claim 3 , wherein the first electrode and the second electrode are interposed between the third electrode and the fourth electrode.5. The apparatus of claim 3 , wherein respective centers of the first electrode claim 3 , the second electrode claim 3 , the ...

FLUID STATUS DETECTION FROM A CARDIAC ELECTRICAL SIGNAL AND IMPEDANCE SIGNAL

A medical device is configured to generate fluid status signal data of a patient by determining impedance metrics from an impedance signal, determining cardiac electrical signal amplitudes from a cardiac electrical signal and determining a calibration relationship between the impedance metrics and cardiac electrical signal amplitudes. The medical device generates a fluid status signal data by adjusting cardiac electrical signal amplitudes according to the determined calibration relationship. The fluid status signal data may be displayed or monitored for detecting a change in the patient's fluid status. 1. A medical device , comprising:a sensing circuit configured to receive a cardiac electrical signal via electrodes coupled to the medical device;an impedance sensing circuit configured to apply a drive signal to electrodes coupled to the medical device and sense a resultant impedance signal;a telemetry circuit configured to transmit fluid status data to another medical device; and determine a plurality of impedance metrics from the impedance signal;', 'determine a first plurality of amplitudes from the cardiac electrical signal;', 'determine a first calibration relationship between the plurality of impedance metrics and the first plurality of amplitudes;', 'determine a second plurality of amplitudes from the cardiac electrical signal; and', 'generate fluid status signal data by adjusting the second plurality of amplitudes according to the determined first calibration relationship., 'a control circuit coupled to the sensing circuit, the impedance sensing circuit and the telemetry circuit, the control circuit configured to2. The device of claim 1 , further comprising a power source coupled to the control circuit and the impedance sensing circuit for generating the drive signal claim 1 , wherein the power source life is conserved by using the first calibration relationship compared to implantable medical devices that solely use the impedance signal to acquire fluid ...

EXTRAVASATION AND INFILTRATION DETECTION DEVICE

An integrated device of a patch and sensor assembly detects extravasation or infiltration. A transmitter is positioned to direct power into a body portion. A sensor is positioned to receive the power transmitted through the body portion. A substrate is attachable to an outer surface of the body portion and supports the transmitter and the sensor. A signal processor is coupled to the transmitter and the sensor for detecting a change in a fluid level in the body portion from extravasation or infiltration based on the power received by the sensor. A power supply is coupled to the transmitter and the sensor. An indicator is responsive to the signal processor to indicate a detected change in a fluid level in the body portion from extravasation or infiltration. 1. An integrated device configured to detect extravasation or infiltration , the integrated device comprising: a first layer, the first layer configured to contact an outer surface of a body portion;', 'a second layer coupled to the first layer, the second layer configured to releasably mount, at a first side and via an adhesive border, the flexible substrate to the outer surface of the body portion and to support integrated circuitry in the flexible substrate, the integrated circuitry being at least partially disposed in the second layer and enclosed by a third layer, and the integrated circuitry defining at least a first signal for transmitting a baseline condition of a fluid level in a body and a second signal for transmitting a change in the baseline condition, the baseline condition being determined prior to insertion of an amount of fluid into the body and the change in the baseline condition being detected at a subsequent current time; and, 'a flexible substrate comprising detect the change in the baseline condition, the detected change being based on the transmitted second signal,', 'compare the second signal to an extravasation or infiltration threshold, the threshold being defined by the first signal, and ...

Body impedance measurement apparatus and method

A body impedance measurement apparatus and method as well as the transmitter and receiver of a body impedance measurement apparatus are provided. A body impedance measurement apparatus includes transmitter means configured to provide ( 62 ) an amplitude modulated signal via a transmitting electrode means ( 10 ) to a body to which the transmitting electrode means ( 10 ) is applied. The body impedance measurement apparatus also includes receiver means for receiving ( 64 ) signals, responsive to the amplitude modulated signal, via a receiving electrode means ( 12 ) that is configured to be applied to the body and to be remote from the transmitting electrode means ( 10 ) so as to be in wireless communication with the transmitting electrode means ( 10 ) via the body. The receiver means is configured to process ( 68 ) the received signals to determine a measure of the body impedance.

Flexible temperature sensor including conformable electronics

Systems, methods, apparatus and devices are described for monitoring a property of an object or an individual, using a conformal sensor device that substantially conforms to contours of a portion of a surface of the object or the individual. The measurement includes data indicative of a property of a temperature of the portion of the surface and the degree of the conformal contact. An analysis engine is used to analyze the data and to generate at least one parameter indicative of the property of the temperature. Based on a comparison of the at least one parameter to a preset threshold, at least one alert can be issued and/or a command can be transmitted to regulate an environmental condition. The at least one alert can be indicative of a potential risk of harm to the object or individual.

Method for determining glucose concentration in human blood

Measuring the impedance of a human body region at a high frequency (Z HF ) and a low frequency (Z LF ). Z HF is used to obtain the value of the volume of fluid in the tissues of the region. Z LF is used to obtain the value of the volume of extracellular fluid in the tissues. The increase in the metabolic component in the volume of extracellular fluid is determined by the increase of the volume of all of the fluid in comparison with the previous measurement, determining the increase in the volume of extracellular fluid in comparison with the previous measurement and subsequently calculating the difference between the increases in the volume of all of the fluid and the volume of extracellular fluid. The glucose concentration G(t k ) is determined by adding the amount of increase in the glucose concentration and the value of the glucose concentration determined at the previous measuring stage.

PERSONAL HEALTH MANAGEMENT DEVICE, METHOD AND SYSTEM

The present invention generally provides personal health management devices, and corresponding systems and methods. The personal health management device generally include an electronic controller and at least one memory device which cooperate to store at least temporarily weight management data for managing the weight of at least one user, such as a user's weight, a user's body fat percentage, exercise data, food consumption data, or a combination thereof, obtained from at least one component for obtaining such data, such as a keypad, a body fat percentage sensor for measuring a user's body fat percentage, a scale for measuring a user's weight, an exercise machine, a food scale, etc, and a communications unit for communicating the data obtained to a healthcare provider for monitoring progress with respect to a weight management program over a communications network. 1an electronic controller and at least one memory device which cooperate to store at least temporarily weight management data for use in managing weight of at least one user obtained from at least one component for obtaining such data; anda communications unit for communicating the weight management data obtained to a healthcare provider for monitoring progress with respect to a weight management program over a network.. A first personal health management device comprising: This application is a continuation of application Ser. No. 10/913,140, titled PERSONAL HEALTH MANAGEMENT DEVICE, METHOD AND SYSTEM, which was filed on Aug. 6, 2004, and claims the priority of application Ser. No. 60/493,904, titled PERSONAL HEALTH MANAGEMENT DEVICE, METHOD AND SYSTEM, which was filed on Aug. 7, 2003, the disclosures of both of which are incorporated herein by reference in its entirety.The present invention relates generally to an interactive weight management device, method and system. This application incorporates by reference the entire disclosures of application Ser. No. 09/975,097, titled MEDICAL MONITORING ...

Device for detecting body fluid balance and/or electrolyte balance

According to some embodiments there is provided a method for measuring tongue tissue impedance of an individual, comprising placing at least two electrodes in contact with tongue tissue of the individual; and measuring impedance of the tongue tissue. Some embodiments relate to a device configured for measuring tongue tissue impedance. In some embodiments, a fluid balance and/or electrolyte balance are assessed according to the measured impedance.

BODY FAT MEASUREMENT APPARATUS AND METHOD

A body fat measurement apparatus, according to the present invention, comprises: an electrode unit which has a plurality of electrodes and can be worn around the body of the subject to be measured; a first measurement unit which is for obtaining a three-dimensional image of the subject's body part to be measured; a second measurement unit which is for measuring the impedance by means of injecting a current into the electrodes; and a control unit which is for restoring the conductivity and permittivity images of the subject by means of the three-dimensional image and the impedance value and thus separately calculating the amount of subcutaneous fat and visceral fat. According to the present invention, measurement accuracy of the subcutaneous fat and visceral fat can be improved even at a low cost. 1. A body fat measurement apparatus comprising:an electronic unit having a plurality of electrodes and configured to be attachable or wearable around a body of a subject to be measured;a first measurement unit configured to obtain a three-dimensional (3D) image for a measurement target part of the subject;a second measurement unit configured to measure an impedance value by injecting current into the electrode; anda control unit configured to restore conductivity and permittivity images of the subject using the 3D image and the impedance value and to separately calculate an amount of subcutaneous fat and an amount of visceral fat.2. The body fat measurement apparatus of claim 1 , wherein the plurality of electrodes uses at least one of a simple electrode and a composite electrode claim 1 , andthe electrode unit includes an electrode belt having a plurality of electrode installation holes via which the plurality of electrodes is installed, respectively, and made of an elastic material.3. The body fat measurement apparatus of claim 1 , wherein the electrode belt has a contact surface on which the plurality of electrodes is installed and configured to contact with the subject ...

Providing an output relating to conductivity distribution

An apparatus, method and computer program is described comprising: varying a magnetic field strength of a magnetic field applied to a subject; determining a rate of power loss of the magnetic field, wherein the rate of power loss is a function of the varying magnetic field strength; and providing an output signal based on the determined rate of power loss, wherein the output signal comprises information relating to a conductivity distribution of the subject.

APPARATUS FOR ASSESSING MUSCLE QUALITY

An apparatus for assessing muscle quality includes a first acquisition unit that acquires bioelectric information including at least one of (i) a resistance component and a reactance component of bioelectrical impedance and (ii) first impedance measured by supplying alternating current at a predetermined low frequency to a living organism and second impedance measured by supplying alternating current at a predetermined high frequency to the living organism; a second acquisition unit that acquires a physical parameter related to physique of the living organism; and a calculation unit that calculates an index in accordance with a proportion, in muscle tissue, of muscle fiber to interstitial tissue based on the physical parameter and on at least one of a first parameter represented as a ratio between the resistance component and the reactance component and a second parameter represented as a ratio between the first impedance and the second impedance. 1. An apparatus for assessing muscle quality , comprising:a first acquisition unit configured to acquire bioelectric information including at least one of (i) a resistance component and a reactance component of bioelectrical impedance and (ii) first impedance measured by supplying alternating current at a predetermined low frequency to a living organism and second impedance measured by supplying alternating current at a predetermined high frequency to the living organism;a second acquisition unit configured to acquire a physical parameter related to physique of the living organism; anda calculation unit configured to calculate an index in accordance with a proportion, in muscle tissue, of muscle fiber to interstitial tissue based on the physical parameter and on at least one of a first parameter represented as a ratio between the resistance component and the reactance component and a second parameter represented as a ratio between the first impedance and the second impedance.2. The apparatus of claim 1 , whereinthe ...

METHOD AND APPARATUS FOR ESTIMATING THE FLUID CONTENT OF PART OF THE BODY OF A SUBJECT

There is provided an apparatus for estimating the fluid content in a subject, the apparatus comprising a control unit that is configured to obtain a measurement of the bioimpedance of a first limb of the subject; obtain a measurement of the bioimpedance of a second limb of the subject; obtain a measurement of the bioimpedance of a segment of the body that includes at least the first limb and the second limb; and determine a measure of the fluid content in the first limb using the bioimpedance measurement of the first limb, the bioimpedance measurement of the second limb and the bioimpedance measurement of the segment of the body that includes at least the first limb and the second limb. 1. An apparatus for estimating the fluid content in a subject , the apparatus comprising: obtain a measurement of the bioimpedance of a first limb of the subject;', 'obtain a measurement of the bioimpedance of a second limb of the subject;', 'obtain a measurement of the bioimpedance of a segment of the body that includes at least the first limb and the second limb; and', 'determine a measure of the fluid content in the first limb using the bioimpedance measurement of the first limb, the bioimpedance measurement of the second limb and the bioimpedance measurement of the segment of the body that includes at least the first limb and the second limb., 'a control unit that is configured to2. An apparatus as claimed in claim 1 , wherein the control unit is configured to determine a measure of the fluid content in the first limb by normalising the bioimpedance measurements for the first and second limbs using the bioimpedance measurement for the body segment that includes at least the first limb and the second limb.3. An apparatus as claimed in claim 1 , wherein the control unit is configured to determine a measure of the fluid content in the first limb by determining the amount of extracellular fluid and/or intracellular fluid in the first and second limbs and the body segment that ...

Arcuate Wearable Device with a Circumferential or Annular Array of Spectroscopic Sensors for Measuring Hydration Level

This invention is an arcuate wearable device with a circumferential or annular array of spectroscopic sensors which measures a person's body hydration. In an example, this invention can be embodied in a modular smart watch band, a specialized hydration-monitoring band, or a finger ring. A circumferential or annular array of spectroscopic sensors helps to ensure continuous measurement of body hydration, even if a wearable device shifts and/or rotates on a person's wrist, arm, or finger.

Cardiovascular signal acquisition, fusion, and noise mitigation

A device including an array of electrodes generates one or more electrical signals from a user, extracts one or more noise signals, and generates one or more de-noised electrical signals upon processing the electrical signal(s) with the noise signal(s). The array of electrodes is coupled to a surface of the device, where the device also includes force sensors in mechanical communication with the surface for detecting user weight and other forces. The device can be configured to generate electrical signals from different subportions of the array of electrodes and to extract noise signals from different subportions of the array of electrodes, where the subportion(s) for electrical signal generation may or may not overlap with the subportion(s) of electrodes for noise signal extraction.

HANDHELD PHYSIOLOGICAL SENSOR

A handheld device measures all vital signs and some hemodynamic parameters from the human body and transmits measured information wirelessly to a web-based system, where the information can be analyzed by a clinician to help diagnose a patient. The system utilizes our discovery that bio-impedance signals used to determine vital signs and hemodynamic parameters can be measured over a conduction pathway extending from the patient's wrist to a location on their thoracic cavity, e.g. their chest or navel. The device's form factor can include re-usable electrode materials to reduce costs. Measurements made by the handheld device, which use the belly button as a ‘fiducial’ marker, facilitate consistent, daily measurements, thereby reducing positioning errors that reduce accuracy of standard impedance measurements. In this and other ways, the handheld device provides an effective tool for characterizing patients with chronic diseases, such as heart failure, renal disease, and hypertension. 1. A biometric sensor configured to measure a set of physiological parameters from a patient , comprising:an arm-receiving portion comprising a first opening configured to receive a portion of one of the patient's arms and first and second electrodes configured and arranged to contact the portion of the patient's arm when it is received in the first opening; anda body-contacting portion comprising third and fourth electrodes configured and arranged to contact a second body location that is one of the patient's torso, legs, opposing arm, back, and neck when the portion of the patient's arm is received in the first opening;wherein the first and third electrodes are configured to inject electrical current into the patient at their respective points of contact with the patient and the second and fourth electrodes are configured to sense first and second biometric signals, respectively, which are induced by the injected electrical current;the biometric sensor further comprising a first analog ...

Bloodless Glucose Measuring Device and Method of Use Thereof

A bloodless glucose measuring and monitoring device which comprises a main computer and a PCB with a LCD display; a microprocessor; a blood glucose detection circuit connected to the microprocessor which includes a blood glucose detection module; and a memory module, a power module and a timekeeping module connected to the microprocessor. The PCB comprises a body resistance acquisition circuit with a body resistance acquisition module electrically connected to the microprocessor for measuring a body resistance between two points of skin of a human body and communicates with the microprocessor such that the body resistance obtained by the body resistance acquisition module is translated into a blood glucose value through the microprocessor and then the blood glucose value is displayed through the LCD display of the main computer. 111221. A bloodless glucose monitoring device and a method of use thereof , said bloodless glucose monitoring device comprises: a main computer () and a PCB provided in said main computer () , wherein said PCB comprises a LCD display (); a microprocessor; a blood glucose detection circuit connected to said microprocessor which comprises a blood glucose detection module; and a memory module , a power module and a timekeeping module connected to said microprocessor , characterized in that: said PCB comprises a body resistance acquisition circuit electrically connected to said microprocessor , wherein said body resistance acquisition circuit comprises a body resistance acquisition module which detects a body resistance between two points of skin of a human body and communicates with said microprocessor such that the body resistance obtained by said body resistance acquisition module is translated into a blood glucose value through said microprocessor and then the blood glucose value is displayed through said LCD display () of said main computer ().21111211. The bloodless glucose monitoring device and a method of use thereof according to claim 1 ...

METHODS FOR DETERMINING THE RELATIVE SPATIAL CHANGE IN SUBSURFACE RESISTIVITIES ACROSS FREQUENCIES IN TISSUE

Non-invasive devices and systems to determine tissue wetness/hydration based on relative changes in subsurface resistivities in tissue below an electrode array applied to a human body across different frequencies. For example, these a sensor including arrays of current-injecting and voltage-sensing electrodes may be placed on a subject's back to determine lung wetness. Systems and methods for determining tissue water content, systems and methods for determining lung wetness, sensors for determining relative changes in subsurface resistivities across frequencies and systems and methods to determine which arrays of electrodes in a sensor to use to determine relative changes in subsurface resistivities across frequencies are all described. 112.-. (canceled)13. A method of non-invasively determining lung wetness , the method comprising:determining subsurface resistivities measured at different frequencies for an active region of a subject's back;analyzing the subsurface resistivities for at least part of the region to determine an indicator of lung wetness; and,providing an output of the indicator allowing a determination of lung wetness to be made.14. The method of claim 13 , further comprising analyzing subsurface resistivities by determining relative spatial changes in resistivies measured at different frequencies for each of a plurality of spatial locations.16. The method of claim 14 , wherein changes in resistivies for a spatial location are based on:differences in resistivities measured at different frequencies; and,relative percentage differences in resistivities measured at different frequencies.17. The method of claim 14 , wherein at least some of the different spatial locations are at different depths.18. The method of claim 13 , further comprising determining the indicator using differences in resistivies measured at different frequencies for different depths.19. The method of claim 13 , further comprising determining a slope of relative spatial changes in ...

Smart watch strap for bioimpedance measurements

Systems and methods for bioimpedance measurement are provided. An example system includes a strap for carrying a smart watch on a wrist of a user, a bioimpedance measurement module, and an acoustic generator embedded into the strap. The bioimpedance measurement module is configured to measure an impedance of a tissue of the user. The acoustic generator is further configured to generate an acoustic signal modulated to carry data including the impedance. The acoustic signal can be sensed by an acoustic sensor of the smart watch. The smart watch may include an application for sensing the acoustic signal and for converting the sensed acoustic signal into a value for the impedance.