Abstract: The present invention includes systems and methods for measuring, monitoring and treating arrhythmia and cardiac function via the intrinsic cardiac nervous system. The systems and methods compare neural signatures of the intrinsic cardiac nervous system that are associated with both healthy and diseased myocardial tissue to identify and target afferent intrinsic cardiac neurons for which signaling has been affected by diseased cardiac tissue. Accordingly, methods of modulating afferent neural signals from the diseased myocardium to the intrinsic cardiac nervous system, intrathoracic extracardiac ganglia, and higher centers of the cardiac neuraxis are used as a novel therapeutic approach to mitigating ischemic heart disease.

Abstract: A brain electrode apparatus is a brain electrode apparatus including an electrode that is capable of being inserted into a brain, and the brain electrode apparatus includes a long-shaped probe, an electrode part formed on the probe, and an inserting member that is detachably inserted in a first hole formed on a plane face of the probe having flexibility. Further, the probe includes a first area on the electrode part side with respect to the position where the first hole is formed, and a second area on the opposite side of the electrode part side with respect to the position where the first hole is formed, and the inserting member is inserted into the first hole in a state where the probe is bent at the position of the first hole such that the second area overlaps the first area.

Abstract: A method for diagnosing and rapidly introducing treatment to a subject suffering visible or non-visible traumatic brain injury is provided. A wearable array of electroencephalography (EEG) sensors in electrical communication with a communications capability to one or more subjects is present. EEG readings from the one or more subjects in a database are accumulated. The occurrence of an accident or other stress forces experienced by a wearer that mimics a concussion or other trauma to the wearer's brain is detected. Based on a comparative analysis of the stored EEG readings in the database a determination is made whether a traumatic brain injury has occurred. A system for diagnosing and the rapid treatment of a wearer suffering traumatic brain injuries according to the inventive method is also provided.

Abstract: A physiological signal collection electrode comprises a signal collection pad having a skin contact portion, a signal output pad and an elongate bridging portion interconnecting the signal collection pad and the signal output pad. The signal collection pad, the signal output portion and the bridging portion are integrally molded of a flexible, conductive and resilient material. The width of the bridging portion is substantially smaller than that of the skin contact portion. A narrowed bridging portion operates to concentrate collected physiological signals collected by the skin contact portion before the signals are output to the signal output pad. An elongate bridging portion reduces skin covering area for better wearer comfort as well as providing better resiliency to the electrode when the bridging portion is extended.

Abstract: The present invention relates to an impedance measuring device obtaining impedance of portions of an object corresponding to two sensing electrodes by detecting, through the two sensing electrodes, an electrical variation shown on the object as an electrical signal is applied. A detector amplifying each of signals detected through the two sensing electrodes and then differential-operating the amplified signals to generate a signal for obtaining impedance is subjected to a calibration process for adjusting the gain of the amplifiers to reduce in-phase noise added due to an imbalance between the sensing electrodes.

Abstract: An electrode configured to provide electrical contact with skin of a subject is provided. The electrode includes an electrode body configured to be removably coupled with the skin of the subject and to receive electrical signals from and/or transmit electrical signals to the skin of the subject, and an electrical coupling that facilitates coupling the electrode to an external computing system. The electrode body includes a conductive silicone material configured to enable uptake or diffusion of moisture from the skin of the subject over which the electrode body is disposed; and a detergent configured to facilitate a flow of ions through the conductive silicone material.

Abstract: A sensory-and-logic system includes a ring-shaped, electrically-conductive skin sensor sized and shaped to form an electrical connection with human skin, and an electrical component surrounded by the ring-shaped, electrically-conductive skin sensor.

Abstract: Systems, methods, and computer-readable media for calibrating an electromagnetic navigation system are provided. A signal having a first magnitude value and a first phase value is received by way of a receiving antenna. A non-calibrated in-phase component and a non-calibrated quadrature component are computed based on the first magnitude value and the first phase value. A calibrated phase value is computed based on the non-calibrated in-phase component and the non-calibrated quadrature component, and a calibrated in-phase component is computed based on the calibrated phase value, the non-calibrated in-phase component, and the non-calibrated quadrature component. A calibrated quadrature component is computed based on the calibrated phase value, the non-calibrated in-phase component, and the non-calibrated quadrature component, and a calibrated magnitude value is computed based on the calibrated in-phase component.

Abstract: Systems, methods, and computer-readable media for optimizing an electromagnetic navigation system are provided. Multiple test signals corresponding to multiple combinations of phase offset values of a plurality of frequency components, respectively, are generated. Based on the test signals, a table including peak signal amplitudes associated with the respective test signals is generated. A minimum value of the stored peak signal amplitudes is identified in the table. Based on the table, a determination is made as to which combination of phase offset values is associated with the minimum value of the stored peak signal amplitudes. The determined combination of phase offset values is stored in a memory for use, during an electromagnetic navigation procedure, in generating a signal including the frequency components having the determined combination of phase offset values, respectively.

Abstract: Apparatus, including a rigid tube enclosing a lumen, configured to be inserted into a cavity of a human patient. A groove is formed in a distal end of the tube, and a conductive coil of insulated wiring is wound in the groove. A sleeve covers the rigid tube so as to completely enclose the conductive coil.

Abstract: A guidance system for assisting with the insertion of a needle into a patient body is disclosed. The guidance system utilizes ultrasound imaging or other suitable imaging technology. In one embodiment, the guidance system comprises an imaging device including a probe for producing an image of an internal body portion target, such as a vessel. One or more sensors are included with the probe. The sensors sense a detectable characteristic related to the needle, such as a magnetic field of a magnet included with the needle. The system includes a processor that uses data relating to the sensed characteristic to determine a 3-D position of the needle. The system includes a display for depicting the position of the needle. A needle assembly including a hub, cannula, and magnetic element is also disclosed, wherein the cannula is substantially non-magnetic so as to not distort the magnetic field of the magnetic element.

Abstract: A wireless circuit includes a housing, such as a hermetic housing, and at least one antenna coil wound about a coil axis within the housing. The coil axis may be substantially parallel to at least one wall of the housing, wherein the wall parallel to the coil axis is substantially thinner than other walls of the housing.

Abstract: Presented are concepts for monitoring the liquid or food consumption of a person. Once such concept employs the step of detecting a change in weight of the person resultant from usage of a toilet. A value representative of at least one of liquid consumption and food consumption of the person may then be determined based on the detected change in weight of the person.

Abstract: There is provided herein a method for producing a representative CO2 waveform, the method comprising obtaining two or more CO2 waveforms, for each of the two or more CO2 waveforms determining one or more scale factors and one or more shape factors, computing, based on the one or more shape and scale factors of each of the two or more CO2 waveforms, a representative set of shape factors and scale factors representing the two or more CO2 waveforms and constructing a representative waveform based on the representative set of shape and scale factors.

Abstract: A device (1) for determining the concentration of a gas component is configured with a radiation source (30) for radiating (31) light as a light emission in an infrared wavelength range. Two detector arrays (52, 62) with two detector elements (50, 60) are configured suitably for detecting the light emission generated by the radiation source (30) in two detector arrays (52, 62). Two filter elements (51, 61) are associated with the detector elements (50, 60). The two detector elements (50, 60) are oriented in relation to the radiation source, so that a range of overlap (65) is obtained due to the two detector arrays (52, 62). The range of overlap (65) causes attenuations in the propagation of light, which may be due to gas molecules or moisture (400). The attenuations in the propagation of light affect both detector elements (50, 60) and are compensated concerning the determination of the concentration.

Abstract: The present disclosure provides a height measurement method based on monocular machine vision. The method includes: picking up, by an RGB camera arranged on the head of a robot, a two-dimensional identifier from the head to feet of a person under measurement; calculating, by the robot, a homography matrix of a current visual field according to four corner points on the visual location identifier; acquiring a head image region by segmenting the image, and calculating pixel coordinates of a head vertex; and calculating a height of the person under measurement. The height measurement method based on monocular machine vision according to the present disclosure is simple in operation and calculation. The height of a person under measurement may be measured by himself or herself with no assistance from others. The measurement method features non-contact. The method further improves the measurement precision, and enhances the measurement speed.

Abstract: A composite membrane, a biosensor, and preparation methods thereof are disclosed. In the preparation process, a moldable and plastic material is used as a carrier; after a dispersion liquid of a nanocarbon material wets the carrier, by means of multiple stretching and folding processes, the nanocarbon material is uniformly distributed and arranged regularly inside the entire plastic material in a stretching strain direction. The prepared composite membrane is elastic, attachable, and cost-efficient, and may detect strains as high as 530%. The composite membrane further has high sensitivity and high durability, and may be effectively applied to a biosensor for monitoring motion and humidity.

Abstract: An eye sensor, system and method for measuring fixational eye movements of an individual's eyeball (e.g., ocular microtremors and microsaccades) to provide a variable voltage biosignal for measuring the individual's brain stem activity. The eye sensor comprises a sensor mounted on the individual's closed or opened eyelid so as to be deflected by the fixational eye movements of the eyeball. A shielded flexible ribbon assembly supplies the biosignal generated by the sensor to an amplifier located on the individual's skin where the biosignal is amplified. The amplifier is interconnected with a signal processor and a display by which graphical and numerical representations of the biosignal are made accessible to an anesthesiologist, intensivist or clinician. A method for analyzing the biosignal to determine the brainstem activity of a patient.

Abstract: The present invention relates to a capacitive sensor sheet for measuring the amount of deformation of a measuring object with high sensitivity and high accuracy.

Abstract: Aspects of the subject disclosure may include, for example, a system for obtaining sensor data associated with a plurality of body parts of a monitored individual, measuring from the sensor data a positioning of the plurality of body parts of the monitored individual, comparing the positioning of the plurality of body parts to a target positioning of the plurality of body parts, detecting from the comparing a deficiency in a use of the plurality of body parts, and generating a message associated with the deficiency. Other embodiments are disclosed.

Abstract: Various exemplary embodiments provide an electronic device configured to include one or more sensor modules, at least one memory, a display, and a first processor or second processor operatively coupled to the one or more sensor modules, the at least one memory, and/or the display, wherein the first processor is configured to acquire sensor data from at least one sensor module among the one or more sensor modules, calculate a difference between at least two data points in the acquired sensor data, determine user's activity information based on at least one of a period of the sensor data, a magnitude of the difference, and a change amount of the difference, and deliver the user's activity information to the second processor, and wherein the second processor is configured to display, on the display, a user interface related to the user's activity information delivered from the first processor. Other exemplary embodiments are also possible.

Abstract: It is disclosed an articulation rigidity assessment device for assessing the rigidity of the articulation when a bending motion is imposed to a limb of said articulation around a predetermined rotation axis of the articulation, said device comprising: a one-axis angular velocity sensor for attaching to said limb such that the axis of measurement is parallel to the axis of rotation of the imposed bending motion; a data processor configured to process the signal of the angular velocity sensor and to distinguish between non-rigid and rigid states of the articulation using the processed angular velocity signal. The articulation may be the wrist articulation of the patient and the limb is the respective hand. The device may comprise a skin-contacting patch for applying to the limb of the patient wherein the one-axis angular velocity sensor is attached to said skin-contacting patch. The skin-contacting patch may be applied to the palm or back of the hand.

Abstract: A device that enables an assessment or a management of a medical condition in a patient, includes a base member comprising a pair of surface spaced apart from each other to define a thickness of the base member. The base member can be provided as an elongated base member. Markings are disposed on one surface from the pair of surfaces of the elongated base member along a length of the elongated base member. An array of targets is provided with targets being disposed, during use of the device, below a bottom edge of the elongated base member. Coupling members are also provided with each coupling member coupling a respective target from the array of targets to the elongated base member for a reciprocal linear movement along the length of the elongated base member. The device can be affixed to a structure or provided as a mobile device.

Abstract: A method of providing audiometric feedback from a network of distributed body sensors using one or more earpieces includes receiving signals from the network of distributed body sensors at the one or more wireless earpieces, processing the signals received at the one or more wireless earpieces to determine a location of individual body sensors within the network of distributed body sensors relative the one or more earpieces, and producing audiometric feedback at the one or more wireless earpieces at least partially based on the locations of the individual body sensors relative to the one or more earpieces.

Abstract: A method is provided for administering a hearing test to an individual. The method comprises the steps of: selecting at least one musical melody; determining a plurality of frequencies at which the at least one musical melody or part thereof will be played for the individual; executing instructions comprised in a computer program to perform steps for administering a hearing test to the individual, wherein the instructions are configured to enable the individual to listen to the at least one musical melody or part thereof at the determined frequencies and at varying intensities; and establishing hearing capabilities of the individual to whom the hearing test has been administered, based on that individual's reactions while listening to the at least one musical melody or part thereof at the determined frequencies and at varying intensities.

Abstract: An apparatus and method for measuring a biological component are provided. The apparatus may include a spectrum data acquirer configured to acquire spectrum data of a user by emitting light to a skin of the user and detecting the light reflected from the skin, and a processor configured to extract a user characteristic signal from the acquired spectrum data using a background signal and a first unit component spectrum and generate a second unit component spectrum personalized to the user by updating the first unit component spectrum based on the user characteristic signal.

Abstract: A medical photometer includes a processor and a memory that stores an instruction readable by a computer. When the instruction is executed by the processor, the medical photometer acquires an intensity of one of a first intensity signal and a second intensity signal, the first intensity signal corresponding to an intensity of a first light beam that has a first wavelength and that is transmitted through or reflected from a tissue of a living body, and a second intensity signal corresponding to an intensity of a second light beam that has a second wavelength and that is transmitted through or reflected from the tissue of the living body acquires an intensity ratio of the first intensity signal and the second intensity signal, and detects an artifact of the living body based on the acquired intensity and the acquired intensity ratio.

Abstract: A medical photometer includes a processor and a memory that stores an instruction readable by a computer. When the instruction is executed by the processor, the medical photometer acquires a first light attenuation of a first light beam that is transmitted through or reflected from a tissue of a living body, and that has a first wavelength, based on a first intensity signal corresponding to an intensity of the first light beam, acquires a second light attenuation of a second light beam that is transmitted through or reflected from the tissue, and that has a second wavelength, based on a second intensity signal corresponding to an intensity of the second light beam, calculates a tissue thickness based on a ratio of the first light attenuation and the second light attenuation, and detects an artifact of the living body based on a temporal variation of the tissue thickness.

Abstract: A medical photometer includes a processor and a memory that stores an instruction readable by a computer. When the instruction is executed by the processor, the medical photometer acquires a first light attenuation of a first light beam that is transmitted through or reflected from a tissue of a living body, and that has a first wavelength, based on a first intensity signal corresponding to an intensity of the first light beam, acquires a second light attenuation of a second light beam that is transmitted through or reflected from the tissue, and that has a second wavelength, based on a second intensity signal corresponding to an intensity of the second light beam, and calculates a light absorber amount that is an amount of a first light absorber in the tissue, based on a ratio of the first light attenuation and the second light attenuation.

Abstract: Sensor systems can be used to measure an analyte concentration. Sensor systems can include a base having a distal side configured to face towards a person's skin. An adhesive can couple the base to the skin. A transcutaneous analyte measurement sensor can be coupled to the base and can be located at least partially in the host. A transmitter can be coupled to the base and can transmit analyte measurement data to a remote device.

Abstract: An electronic device includes a sensor that acquires a pulse wave and a controller that calculates an index based on the acquired pulse wave. The controller estimates the subject's state of glucose metabolism or lipid metabolism using the calculated index.

Abstract: Sensor systems can be used to measure an analyte concentration. Sensor systems can include a base having a distal side configured to face towards a person's skin. An adhesive can couple the base to the skin. A transcutaneous analyte measurement sensor can be coupled to the base and can be located at least partially in the host. A transmitter can be coupled to the base and can transmit analyte measurement data to a remote device.

Abstract: Disclosed is a portable device for processing continuous monitoring data. The portable device includes a data interface that receives a stream of continuous monitoring data from a body-worn sensor. The data is indicative of an analyte in a bodily fluid. The portable device also includes a storage device that can store the continuous monitoring data. The control processes the continuous monitoring data and is switchable between first and second modes of operation during a sensor session of the body-worn sensor. In the first mode of operation, the control is configured to provide video data indicative of the continuous monitoring data for outputting by a display. In the second mode of operation the control is configured to store the continuous monitoring data in the storage device and to block the continuous monitoring data from being displayed on the display. A related method, system and computer program product are also disclosed.

Abstract: A method for generating correlations between human biological phenotype and human behavioral and/or emotional phenotype, and optionally to temporal location, comprising the steps of correlating data on biological phenotype with survey-based data on behavioral and/or emotional phenotype. The data on biological phenotype is collected from a sample from an individual, and the survey-based data can be collected from answers to behavioral and emotional questions from the individual or from observations of the individual by a third party. Correlations can further be used to predict behavior, including preferences, wellness needs and desires, and/or emotions. Feedback, advice and guidance can be provided to individuals based on such correlations. Such correlations are further useful for product and service providers and industries for purposes of standardizing or rating product quality and efficacy, and/or for promotion and selling purposes.

Abstract: The present disclosure describes the derivation and measurement of a fractional oxygen saturation measurement. In one embodiment, a system includes an optical sensor and a processor. The optical sensor can emit light of multiple wavelengths directed at a measurement site of tissue of a patient, detect the light after attenuation by the tissue, and produce a signal representative of the detected light after attenuation. The processor can receive the signal representative of the detected light after attenuation and determine, using the signal, a fractional oxygen saturation measurement based on two or more different measures of fractional oxygen saturation.

Abstract: A multiport blood collection device includes a rearward retaining portion including three couplers, each configured to receive a respective blood sample container, a forward adapter portion configured to receive a connector through which tubing coupled to a hypodermic needle is coupled to the device, and a branched passageway within the device to simultaneously divert blood extracted by the hypodermic needle from the tubing through the connector to respective blood sample containers inserted in each of the couplers. The paths through the multiport blood collection device to each of the couplers are coplanar, are symmetric about the device body, and have the same diameter. The path diameter is greater than and proportional to the inner diameter of the hypodermic needle. Each path includes at most one turn, the turn being at an angle less than ninety degrees. A portion of the branched passageway may be formed by a multi-position valve.

Abstract: An apparatus includes a housing, a fluid reservoir, a flow control mechanism, and an actuator. The housing defines an inner volume and has an inlet port that can be fluidically coupled to a patient and an outlet port. The fluid reservoir is disposed in the inner volume to receive and isolate a first volume of a bodily-fluid. The flow control mechanism is rotatable in the housing from a first configuration, in which a first lumen places the inlet port is in fluid communication with the fluid reservoir, and a second configuration, in which a second lumen places the inlet port in fluid communication with the outlet port. The actuator is configured to create a negative pressure in the fluid reservoir and is configured to rotate the flow control mechanism from the first configuration to the second configuration after the first volume of bodily-fluid is received in the fluid reservoir.

Abstract: System and method that identify atypical behavior of a user. One embodiment of the system includes an eye tracker to perform tracking of a user's gaze while viewing items, an inward-facing head-mounted thermal camera to take thermal measurements of a region of interest on the face (THROI) of the user, and a computer. The computer generates feature values based on THROI and the tracking, and utilizes a model to identify atypical behavior of the user based on the feature values. The model may be trained based on previous tracking and previous THROI of the user, taken while viewing other items.

Abstract: A driver state determination apparatus includes a far-infrared camera and a state determination section. The far-infrared camera takes facial images of a driver of a vehicle; the facial images are far-infrared images indicating a temperature distribution on a facial surface of the driver. The state determination section determines an abnormal state of the driver based on the far-infrared images sequentially taken by the far-infrared camera during a predetermined period.

Abstract: A method for identifying changes in an epilepsy patient's disease state, comprising: receiving at least one body data stream; determining at least one body index from the at least one body data stream; detecting a plurality of seizure events from the at least one body index; determining at least one seizure metric value for each seizure event; performing a first classification analysis of the plurality of seizure events from the at least one seizure metric value; detecting at least one additional seizure event from the at least one determined index; determining at least one seizure metric value for each additional seizure event, performing a second classification analysis of the plurality of seizure events and the at least one additional seizure event based upon the at least one seizure metric value; comparing the results of the first classification analysis and the second classification analysis; and performing a further action.

Abstract: An apparatus for detecting cervical cancer comprising a mechanical structure configured to expose cervical region comprising a supporting rod, and an image capturing unit to capture cervix images and determine abnormalities in the cervix region based on preprogrammed instructions, wherein the image capturing unit is coupled to the mechanical structure on the supporting rod. The image capturing unit is coupled to the mechanical structure by means of a detachable unit mounted on the supporting rods of the mechanical structure. The detachable unit comprises a housing to hold the image capturing unit and at least a pair of extension hooks outside its peripheral surface to mount on the supporting rods securely. The image capturing unit captures plurality of images before and after application of a chemical substance on the cervix region and determines abnormalities based on temporary change in color and texture of the cervix region due to application of the chemical substance.

Abstract: Provided are an elasticity evaluation apparatus, an elasticity evaluation method, and a non-transitory computer readable recording medium storing an elasticity evaluation program capable of easily evaluating elasticity of the skin with high accuracy. A skin index calculation part calculates existing amount of gloss portions of a skin in a captured image and existing amount of wrinkle portions of the skin in the captured image as skin evaluation indexes, and an elasticity evaluation part evaluates elasticity of a facial skin of a test subject on the basis of the skin evaluation indexes calculated by the skin index calculation part.

Abstract: A system for measuring the diameter of a human hair (50), the system comprising: a mobile device (20); and a reference card (10) including a hair attachment mechanism (11a, 11b); the mobile device configured to convert an image of a human hair attached to the reference card by the attachment mechanism into a measurement of the diameter of the human hair, using the size of the reference card itself and/or the size of a calibration marker (12) on a surface of the reference card as a size reference.

Abstract: A system and method for the use of the results from a structural analysis of a patient's bone from a clinical scan, to be used clinically to manage patients in a widespread and consistent fashion.

Abstract: The present discourse provides a tongue manifestation detecting device. The tongue manifestation detecting device comprises: an image acquisition component configured to acquire a surface image of a tongue; a temperature acquisition component configured to acquire parameters characterized by the temperature of the tongue; and a brightness temperature image generation component configured to generate a brightness temperature image of the tongue based on the parameters characterized by the temperature of the tongue acquired by the temperature acquisition component.

Abstract: Systems, devices, and methods for providing a feedback signal to assist a patient in repeating a breath-hold at the same point in successive respiratory cycles. The tracking device includes: a spring-biased wheel; a strap configured to wrap around a patient and having a segment configured to wind around a portion of the wheel when the patient exhales, and to unwind when the patient inhales; and a processor configured to detect an angular position of the wheel and to present the patient with a corresponding feedback signal.

Abstract: A device, system and method for monitoring cubital tunnel syndrome (“CuTS”). The device comprises a body configured to be worn by a user, sensors, a processor, a vibration mechanism, and a power source. The sensors monitor a position of the user's hand to prevent CuTS. The processor of the device is configured to determine if the user's hand is in a CuTS position and the processor is configured to generate an alert signal to alert the user to the CuTS position.

Abstract: A method and system are disclosed for use in monitoring/screening/diagnosing sleep or wake state of a subject or patient. The method generally includes monitoring the patient's activity during one or more sleep sessions comprising a plurality of intervals known as epochs. The sleep/wake state of the subject is determined during each epoch of the session using actigraphy data obtained during the monitoring session. The actigraphy data provides information about the activity of a patient during an epoch. The sleep or wake state is determined based on a ratio of the activity count during an epoch to the activity count during a preceding epoch. If the ratio is greater than a first activity threshold, then a “wake” indication may be provided by, for example, the system. Alternatively, or additionally, a “wake” indication may be determined if the activity count during the epoch is greater than a threshold.

Abstract: A computer-based method includes receiving, from a computer-based user interface, user-specified information about one or more events influential on the user's blood glucose level, generating, with a computer-based processor, a plurality of estimated trajectories of the user's blood glucose level as influenced by the one or more events, receiving a set of data that represents actual blood glucose measurements for the user, and identifying, with the computer-based processor, which of the estimated trajectories represents a best fit to the set of data that represents the actual blood glucose measurements for the user. At least some of the actual blood glucose measurements occurred later in time than a start time of the one or more events influential on the user's blood glucose level. A computer-based system is provided for implementing the method.

Abstract: A portable communication device (100) automatically determines user hydration levels while the device is being transmitted. The portable communication device comprises a humidity sensor (120) located by a microphone and touch sensors (124) located on a push-to-talk (PTT) button (110). Data is gathered during PTT switch activation (112). No additional steps are required by the user. Alerts (140) are provided when predetermined dehydration thresholds are approached.