Abstract: An identification device including a generation unit and an information identification unit. The generation unit generates factor information relating to pulse-wave information with respect to an identification target in accordance with biological model information representing a relevance between pulse-wave information representing a pulse wave and the factor information representing a factor of pulse wave. The information identification unit selects certain list information satisfying a predetermined determination criterion of the factor information generated by the generation unit out of list information associating the factor information generated based on the pulse-wave information representing a pulse wave of a biological subject to be an identification target with identification information for identifying the biological subject, and identifies the identification information in the selected certain list information.

Abstract: A method, an apparatus and a computer program for capturing optical image data of patient surroundings and for identifying a patient check-up. The method (10) for capturing optical image data of patient surroundings and for identifying a patient check-up on the basis of the image data includes detecting (12) the patient on the basis of the image data. There is a detecting (14) of at least one further person on the basis of the image data and determining (16) at least one geometric relation between the patient and the at least one further person. The determining (16) of the geometric relation includes determining an orientation or a viewing direction of the at least one further person in relation to the patient. The method further includes identifying (18) the patient check-up on the basis of the geometric relation.

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

Abstract: In an implementation of the disclosed subject matter, a device may emit a first emission sequence of infrared radiation at a subject, and capture a first reflected sequence of infrared radiation reflected from the subject. The first emission sequence may be compared to the first reflected sequence, and, based on the comparison, a sequence of variations may be determined. The sequence of variations may be compared to signal pattern stored in a sleep profile for the subject. The subject may be determined to have exhibited sleep behavior based on the comparison of the sequence of variations to the signal pattern stored in the sleep profile. In response to determining the subject has exhibited sleep behavior, the device may capture a second reflected sequence of radiation reflected from the subject. A breathing rate of the subject and/or a heart rate of the subject may be determined based on the second reflected sequence.

Abstract: A health monitoring system comprises a housing, a test strip assembly, a lancet, a transparent cover, and a monitor. The test strip assembly is configured to detect concentration of the sample of the blood, using lancet. It also has multiple ways to test blood like a laser-based system and a wireless based blood measuring system. Further, it has a heart rate monitor system, blood pressure and weight measuring rechargeable straps, wireless systems for information exchange with other devices, two way communication systems, a flash light, a removable X-Ray lens system, an auto created individual profile system based on a multi-factor authentication system that is capable of automatic grouping of all test results or any data created by a user, auto retrieving from a remote computer server and auto installing on a device based on its limitations through onboard multi-factor authentications systems.

Abstract: An interstitial fluid glucose measuring device, system and method, the device including first and second cavities, both configured to be in fluid communication with interstitial fluid outside the cavities, the first and second pressure sensors being configured to sense the pressure in the first and second cavities, respectively. The first cavity includes an active solution and is defined in part by a first glucose porous membrane interfacing on one side of the interior of the first cavity and on the other side configured to interface with the interstitial body fluid. The active solution includes a lectin and a polysaccharide.

Abstract: A non-invasive monitoring device for monitoring physiological condition of a subject may include at least one light source for emitting light at at least one predetermined narrow spectral wavelength band onto a living tissue of the subject and two or more light sensors. Each of the two or more light sensors may correspond to a specific substance in a living tissue of the subject and may be configured to measure a change in a concentration of the specific substances to which the sensor corresponds. The distance of each of the two or more sensors from the light source, may be determined so that intensity of light scattered by each specific substance, may have a maximal signal to noise ratio at the determined distance of the corresponding sensor.

Abstract: Systems, devices and methods are provided for inserting at least a portion of an in vivo analyte sensor for sensing an analyte level in a bodily fluid of a subject. In particular, disclosed herein are various embodiments of applicators, and components thereof, designed to reduce trauma to tissue of a sensor insertion site and to increase the likelihood of a successful sensor insertion. Also disclosed are embodiments to ensure structural integrity of a sensor.

Abstract: A physiological characteristic monitoring system includes a physiological characteristic sensor that observes a physiological characteristic and generates sensor signals based on the observation. The physiological characteristic sensor includes a sensor connector. The physiological characteristic monitoring system includes a wearable device to be worn by a user in a first configuration and having a connector to couple to the sensor connector in a second configuration. The wearable device includes a controller that receives the sensor signals from the physiological characteristic sensor in the second configuration and determines a current value of the physiological characteristic based on the sensor signals.

Abstract: An implantable biosensor may be placed subcutaneously to monitor the concentration of an analyte in a body fluid. The biosensor may include an electrochemical cell and an antenna. The components of the biosensor, including the electrochemical cell and the antenna, may be disposed on a same substrate. The electrochemical cell may include multiple electrodes for performing electrochemical measurements that include a first measurement of the analyte concentration in the body fluid, a second measurement of a background interference present in the body fluid, and a third measurement of a pH level within the body fluid. The antenna may receive, from a transceiver, radio frequency (RF) waves for wirelessly powering the implantable biosensor. The antenna may further transmit, back to the transceiver, a backscatter signal encoding a result of the electrochemical measurements.

Abstract: Various examples are directed to systems and methods for patient monitoring. An example method comprises receiving an estimated glucose concentration level of the patient from a continuous glucose monitoring (CGM) system for a first time period. The method may also include receiving non-glucose information relating to the patient for the first time period and determining a relationship between the estimated glucose concentration level and the non-glucose information. The method may also include receiving non-glucose information relating to the patient for a second time period and determining diabetic information about the patient for the second time period based upon the determined relationship and the non-glucose information. The method may include electronically delivering a notification about the diabetic information.

Abstract: Various examples are directed to systems and methods for monitoring a patient. For example, patient data of a first type may be monitored with a low-fidelity monitoring technique over a first time period. Patient behavior may be evaluated based on the monitored first type of patient data. Patient data of a second type may be monitored over a second time period with a continuous glucose monitor device. A parameter of the continuous glucose monitor device may be based on the evaluated patient behavior during the monitoring.

Abstract: The present invention relates generally to systems and methods for measuring an analyte in a host. More particularly, the present invention relates to systems and methods for transcutaneous measurement of glucose in a host.

Abstract: A microdevice for monitoring a target analyte is provided. The microdevice can include a field effect transistor comprising a substrate, a gate electrode, and a microfluidic channel including graphene. The microfluidic channel can be formed between drain electrodes and source electrodes on the substrate. The microdevice can also include at least one aptamer functionalized on a surface of the graphene. The at least one aptamer can be adapted for binding to the target analyte. Binding of the target analyte to the at least one aptamer can alter the conductance of the graphene.

Abstract: A SpO2 measurement system includes at least one light transmitter configured to transmit a first wavelength light and a second wavelength light into tissue of a patient, wherein the second wavelength is shorter than the first wavelength, and a detection device that detects the first wavelength light and the second wavelength light emitted from the tissue of the patient. The SpO2 measurement system operates the at least one light transmitter in a high power mode during a first time period to determine a SpO2 value and a high power DC ratio based on the first wavelength light and the second wavelength light detected during operation in the high power mode. The SpO2 measurement operates the at least one light transmitter in a low power mode during a second time period to determine a low power DC ratio based on the first wavelength light and the second wavelength light detected during operation in the low power mode, and to determine a blood oxygenation status for the patient based on the low power DC ratio.

Abstract: A blood oxygen detection chip with a capability of fast tracking light intensity. A photocurrent buffer receives light and generates an output photocurrent iph that is not affected by a leakage current as much as possible, a bandgap voltage reference and a linear voltage regulator are mainly used to obtain an accurate adjustable reference voltage Vref, an integrator integrates the photocurrent iph to obtain a voltage signal in a linear relation with a photocurrent value, a pulse generator converts the voltage signal to a frequency signal, and finally an output buffer performs wave shaping to obtain a final output frequency signal Freq in a linear relation with a light intensity value.

Abstract: Apparatus and methods provide wireless, disposable, continuous pulse oximeter sensor technology, useful and beneficial for a number of applications including relatively extended periods of data collection, and/or packaged in compact and easy-to-use assemblies. Economic fabrication and use provides flexible methodologies that can reduce the overall costs of monitoring and collecting patient's physiological data, and provide relatively greater ease and comfort to the patient. A disposable wireless continuous pulse oximeter sensor has a reduced emitter-detector separation, a low-power frontend, and a low-cost processor that sends waveforms to a host device so that the host can calculate and display the parameters of interest. Complications created by the reduced distance between emitter and detector are minimized by using an emitter-detector assembly with an optically dark background, and a bandage for improved optical compliance.

Abstract: An oximeter device has an ergonomically shaped enclosure that allows a user to comfortably grip and use the device during handheld operation. A sensor tip can be easily placed evenly on the tissue surface, so that all sources and detectors are directly on the tissue with even pressure. This allows for more consistent and accurate results. The user can easily move the device from one position to another and take numerous measurements. The user will have a wide, unobstructed view of the tissue because of the tip's small size, angle of display, and the grip and fingers are positioned away from the tip. Components housed by the enclosure are arranged to give the device a balanced weighting while in the hand. The device can be used for long periods at a time without fatigue.

Abstract: An observation device according to an embodiment of the present technology includes a first polarization section, a second polarization section, a rotation control section, and a calculation section. The first polarization section irradiates a biological tissue with polarization light of a first polarization direction. The second polarization section extracts a polarization component of a second polarization direction that intersects with the first polarization direction, from beams of reflection light that are the polarization light reflected by the biological tissue. The rotation control section rotates each of the first polarization direction and the second polarization direction such that an intersection angle between the first polarization direction and the second polarization direction is maintained.

Abstract: A venous access device includes a hub and a bifurcated cannula. The hub includes a bifurcated connecting arm, a blood sampling arm connected to the bifurcated connecting arm, a fluid transfer arm connected to the bifurcated connecting arm, a blood sampling channel and a fluid transfer channel. The blood sampling channel passes through the blood sampling arm and the bifurcated connecting arm. The fluid transfer channel passes through the fluid transfer arm and the bifurcated connecting arm. The bifurcated cannula is coupled to the bifurcated connecting arm and includes a blood sampling lumen having a blood sampling port, a fluid transfer lumen having a fluid transfer port, and a dividing member separating the blood sampling lumen from the fluid transfer lumen. The blood sampling port is 2 mm to 20 mm proximal from the fluid transfer port. The blood sampling channel is fluidly connected to the blood sampling lumen, and the fluid transfer channel is fluidly connected to the fluid transfer lumen.

Abstract: A mental state awareness system comprises a non-invasive brain interface assembly configured for detecting brain activity of a user, a processor configured for determining a mental state of a user based on the detected brain activity, and a biofeedback device configured for automatically providing biofeedback to the user indicative of the determined mental state of the user.

Abstract: The invention relates to an absorbent article system providing volume monitoring with a large dynamic measurement range, and body position determining with a high localization precision, herewith avoiding leakages. Moreover the system relates to identification of absorbent article types in an automated manner.

Abstract: A postural sway analysis system is disclosed. The system includes a camera worn by an individual, a processing unit coupled to the camera, a floor marker placed on a floor near the shoes or feet of the individual. The camera is configured to acquire images of the floor marker, which has a known size or diameter, while the individual is standing. The processing unit is configured to capture an initial calibration image of the floor marker using the camera while an individual is standing still to determine the distance between the camera and the floor marker. The processing unit is further configured to capture subsequent time-varying images of the floor marker while the individual is standing (and swaying). Furthermore, the processing unit is configured to compare the calibration images to the subsequent time-varying images to determine a postural sway of the individual.

Abstract: An antioxidant sensor according to an aspect of the disclosure includes: a touch sensor; a light source configured to emit light of a predetermined wavelength onto an object touching the touch sensor; a light receiver configured to receive light returning from the object; and a processor configured to extract an image of a contact surface of the object based on a sensor value of the touch sensor, to analyze the extracted image of the contact surface, and to obtain an antioxidant signal of the object by driving the light source based on a result of analyzing the image of the contact surface.

Abstract: A hair condition-determining device can have a device body having at least one first region and one second region, wherein the first region and the second region are designed in such a way that the hair of the user can be moved between the first region and the second region, at least one optional light source arranged in or on the device body for illuminating the hair of the user, at least one optical sensor arranged in or on the device body for sensing light that has been emitted by the light source and has interacted with the hair and/or ambient light that has interacted with the hair, and an electronic circuit device arranged in or on the device body, wherein the electronic circuit device is coupled to the optical sensor in order to receive the detected light.

Abstract: A smart applicator for liquid cosmetic to hair, skin or nails is described, comprising a position indicator to measure the relative change of position of the applicator across a nearly flat surface; a sensor array to measure the prior color or cosmetic condition of hair strands or skin condition; an optional comb array to direct hair strands from their roots into a regular linear array; a microcontroller which outputs electrical signals to operate an array of micro-mechanical or inkjet nozzles aligned with the comb array so as to dispense dye or cosmetic droplets to the hair strands or skin surface according to input received from said sensors.

Abstract: The present disclosure provides methods and apparatuses for identifying and/or analyzing a muscle tissue of a subject. An apparatus for identifying and/or analyzing muscle tissue of the present disclosure may comprise an optical element comprising an excitation probe and a collection probe. A method for identifying or analyzing muscle tissue of the present disclosure may comprise the generation of images of a muscle tissue using signals generated from the tissue by a beam of light directed towards the muscle tissue from the excitation probe and collected by the collection probe. Signals collected by the collection probe may include forward second harmonic generation signals.

Abstract: Described herein are various principles related to collecting and analyzing fertility data for female humans. The underlying concept is that a woman's hormones fluctuate throughout the menstrual cycle, affecting optimal exercise routines and general health practices. A dedicated sensor may be used to collect fertility data, or an estimate may be derived from the individual's menstrual history. Once collected or estimated, the fertility data is factored with other variables to determine the optimal exercise routine or general health habits for the woman. The recommendations are communicated to the woman, who may provide feedback to further improve future recommendations.

Abstract: This disclosure is directed to method and system for automatic, distributed, computer-aided, and intelligent data collection/analytics, health monitoring, health condition identification, and patient preventive/remedial health advocacy.

Abstract: A sleep monitoring circuit and a sleep monitoring apparatus are provided, in the circuit: a bidirectional receiving unit includes an electrode pad, and when the electrode pad receives a power supply signal, a handover control unit generates a charging control signal according to the power supply signal, so as to control a charging unit to perform charging management; when the electrode pad receives a bioelectric signal, a command acquisition unit acquires from a user a sleep monitoring command, so as to trigger an enabling unit to generate a monitoring handover signal, the handover control unit outputs a bioelectric signal to a bioelectric signal pick-up unit according to the monitoring handover signal, causing the bioelectric signal pick-up unit to extract feature information from the bioelectric signal and output same to a sleep monitoring unit, and the sleep monitoring unit generates a person sleep monitoring result according to the feature information.

Abstract: Methods and systems for monitoring a subject in a sleep or resting state are provided herein. The methods can include obtaining signals from at least one of one or more microphones, one or more pyroelectric infrared (PIR) sensors and one or more accelerometer sensors. The obtained signals can be automatically transmitted to a processor. Thereafter, using the processor, one or more patterns in the obtained signals can be detected to determine one or more physiological and/or biological parameters including at least one of heart rate, breathing rate, wheezing, sleep quality and/or sleep architecture. Outputs of the determined parameters may be generated upon crossing preset thresholds.

Abstract: A medical treatment system for determining administration of medications to a patient is disclosed. The system uses a plurality of sensors to perform a first set of physiologic measurements in a right side of the heart and a second set of physiologic measurements in a left side of the heart. The system also includes a receiver configured to receive measurement data regarding the first and second sets of physiologic measurements and output to a display device the received measurement data.

Abstract: Embodiments of the present disclosure relate to implantable cardiac sensors. In an exemplary embodiment, a medical system for determining a treatment regimen for a patient, comprises: at least one sensor configured to sense right atrial pressure and left atrial pressure. The medical system further comprises a receiver configured to receive the measurement data corresponding to the sensed right atrial pressure and the sensed left atrial pressure, and output to a display device the received measurement data, wherein the condition is at least one selected from the group of: left heart failure, right heart failure, and primary pulmonary disorder.

Abstract: A wearable consumer electronic product includes at least a housing arranged to carry operational components comprising a processor and a band having a pliable band body and a securing means arranged to secure the band body to the housing. In one embodiment, the pliable band body has a size and shape suitable for wrapping around an individual appendage and that includes an opening that leads to a cavity within the band body suitable for accumulating an amount of water and a band sensor embedded within the band body in communication with the cavity.

Abstract: A mouth guard senses impact forces and determines if the forces exceed an impact threshold. If so, the mouth guard notifies the user of the risk for injury by haptic feedback, vibratory feedback, and/or audible feedback. The mouth guard system may also remotely communicate the status of risk and the potential injury. The mouth guard uses a local memory device to store impact thresholds based on personal biometric information obtained from the user and compares the sensed forces relative to those threshold values. The mouth guard and its electrical components on the printed circuit board are custom manufactured for the user such that the mouth guard provides a comfortable and reliable fit, while ensuring exceptional performance.

Abstract: A mouth guard senses impact forces and determines if the forces exceed an impact threshold. If so, the mouth guard notifies the user of the risk for injury by haptic feedback, vibratory feedback, and/or audible feedback. The mouth guard system may also remotely communicate the status of risk and the potential injury. The mouth guard uses a local memory device to store impact thresholds based on personal biometric information obtained from the user and compares the sensed forces relative to those threshold values. The mouth guard and its electrical components on the printed circuit board are custom manufactured for the user such that the mouth guard provides a comfortable and reliable fit, while ensuring exceptional performance.

Abstract: Systems and methods include differential diagnosis for acute heart failure to provide treatment to a patient including determining whether the patient has cardiac volume overload, determining whether the patient has decreased abdominal venous system volume, and providing the appropriate treatment in response to the determinations. A multi-sensor system may be used to determine cardiac volume and abdominal venous system volume. Fluid redistribution treatment may be provided when cardiac volume overload is accompanied by a decrease in abdominal venous system volume. Fluid accumulation treatment may be provided when cardiac volume overload is not accompanied by a decrease in abdominal venous system volume.

Abstract: A contact lens system includes a shared antenna electrode, an accommodation actuator to provide variable optical power, and a controller coupled to the accommodation actuator and the shared antenna electrode. The controller including logic for arbitrating access to the shared antenna electrode between an impedance sensor and a communication circuit; selectively establishing an oscillator with the impedance sensor and the shared antenna electrode; correlating an oscillation condition of the oscillator to an accommodation setting; and adjusting the variable optical power of the accommodation actuator based upon the accommodation setting. An impedance across the shared antenna electrode varies based upon an amount an eyelid overlaps the contact lens system when the contact lens system is worn on an eye.

Abstract: A living body-attachable electrode includes a substrate that has a first main surface and a second main surface and is made of a material having stretchability, a first electrode pair that is formed on/in the first main surface and includes two opposite electrodes, a second electrode pair that is formed on/in the first main surface and includes two opposite electrodes sandwiching the first electrode pair, and a plurality of gel electrodes that are formed on the second main surface and are in a one-to-one correspondence with the electrodes in the first and second electrode pairs. Each of the electrodes in the first and second electrode pairs and corresponding one of the gel electrodes are electrically connected to each other via a plurality of via conductors penetrating through the substrate.

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

Abstract: A sensor for a medical device including a plurality of sensor segments. Each of the plurality of sensor segments can include a layer of magnetically-permeable material and a layer of electrically-conductive material disposed on the layer of magnetically-permeable material. In an example, the layer of magnetically-permeable material can be arranged in a partially-annular shape. The sensor segments can include an electrical connection formation that extends transverse to the layers of magnetically-permeable material and electrically-conductive material. The electrical connection formation can be electrically coupled with the layer of electrically-conductive material. The plurality of sensor segments can be electrically coupled with each other through an electrical coupling of the respective layer of electrically-conductive material of each sensor segment with the electrical connection formation of another sensor segment.

Abstract: An implant (in particular a stent) includes a main structure and a sensor assembly for measuring a body parameter. The sensor assembly includes at least one electrical conductor and at least one capacitor which are connected in such a way that the conductor and the capacitor form at least one electrical resonant circuit. The electrical conductor is surrounded by an electrical insulation. The electrical conductor is in the form of a coil having at least one turn. The capacitor is in contact at least on one side with the surrounding environment and its capacitance changes depending on the body parameter that is to be determined.

Abstract: An apparatus for cortical mapping and method for using same are disclosed. The apparatus comprises a ECoG electrodes array, a stimulation pad, a neural interface processor, and a computing device for mapping eloquent cortical regions of a subject's brain without using exogenous stimulation and with high resolution.

Abstract: Apparatus and methods related to an underbody support for supporting a body of a being, such as during surgery to prevent contact pressure injuries. In certain embodiments, the underbody support may include one or more inflatable chambers enclosing a volume. At least one of the inflatable chambers may include one or more compression sensitive switches for monitoring the volume of the inflatable chamber, and the one or more compression sensitive switches may be located within the inflatable chamber. In some embodiments the one or more compression sensitive switches are sized to close when the said inflatable chamber is deflated to a desired residual volume.

Abstract: Exemplary systems and methods associated with pressure management system for a user of a wheelchair. The systems and methods utilize an apparatus attached directly to the user for detecting and transmitting the inertial movement of the user. Various methods of generating pressure relief data and information associated with pressure points/pressure point relief of the user based on the actual movements of the user are disclosed.

Abstract: The methods and apparatuses presented herein determine and/or improve the quality of one or more physiological assessment parameters, e.g., response-recovery rate, based on biometric signal(s) and/or motion signal(s) respectively output by one or more biometric and/or motion sensors. The disclosed methods and apparatuses also estimate a user's stride length based on a motion signal and a determined type of user motion, e.g., walking or running. The speed of the user may then be estimated based on the estimated stride length.

Abstract: A method for uterine activity monitoring may include: acquiring a plurality of signals from a plurality of sensors during uterine activity; processing the plurality of signals to extract a plurality of uterine electrical activity characteristics; analyzing the plurality of uterine electrical activity characteristics; and classifying the uterine activity as one of: a preterm labor contraction, a labor contraction, a Braxton-Hicks contraction, and a state of no contraction. A method of assessing over time a pre-term birth risk of a pregnant female may include: calculating a baseline pre-term birth risk score based on a user input; acquiring, over time, a signal from a sensor; analyzing the signal to extract a parameter of interest, such that the parameter of interest comprises a physiological parameter; and calculating an instant pre-term birth risk score based, at least in part, on the parameter of interest and the user input.

Abstract: An apparatus for estimating blood pressure includes: a ballistocardiogram (BCG) sensor configured to measure a limb BCG signal from a user; and a processor configured to obtain blood pressure-related features from the measured limb BCG signal, according to sensing characteristics of the BCG sensor, and estimate a blood pressure of the user based on the obtained blood pressure-related features.

Abstract: Various embodiment disclosed herein include a method for monitoring serum potassium in a patient. The method can include gathering cardiac electrogram data from the patient using two or more electrodes, separating the cardiac electrogram data into discrete subunits including a T-wave, aligning T-waves to create aligned discrete subunits, averaging the aligned discrete subunits to generate an average T-wave for the cardiac electrogram data, and determining a serum potassium value using the average T-wave for the cardiac electrogram data and a predetermined model relating T-wave values with serum potassium magnitudes.

Abstract: An example method for estimating a disease state for a patient can include: capturing physiological data including images from the patient over time; processing the physiological data to detect a variability; comparing the variability to a baseline or a range; and estimating the disease state for the patient based upon the comparing of the variability to the baseline or the limit.