Abstract: An electrode device for cardiological or neurological electrodiagnosis and/or electrotherapy, including at least one elongated electrode body, which has a proximal side and a distal side, wherein the electrode body comprises at least one electrode on the distal side for establishing electrical contact to the tissue and/or blood during use, wherein at least one of the electrodes is coated, at least in sections, with a dielectrically anisotropic material.

Abstract: The invention concerns a multi-electrode patch for abdominal electrophysiological detection. The patch has a flexible substrate interconnecting multiple electrodes and a module unit for removably engaging with an electronic readout device for detecting a maternal and/or fetal electrophysiological signal from the electrodes. The module has a mechanical module unit for removable mechanical engagement with a housing of the readout device, and an electrical module unit for making an electrical connection from the electrodes to the readout device. Engaging the patch with the readout device comprises engaging both the mechanical module unit and the electrical module unit. The patch may be flexible in a manner that allows variation in the relative positioning between the electrodes. The patch and/or electronic readout device may comprise a security device for communication of an authentication code.

Abstract: An interactive system includes a brainwave detection device and a display device. The brainwave detection device detects the brainwave information of a user, and issues a concentration-related signal according to the brainwave information. The display device has a first display zone. The first display zone displays a plurality of patterns. The display device receives the concentration-related signal, and decides the display duration of at least one of the patterns according to the concentration-related signal.

Abstract: A method of evaluating the effectiveness of an auditory prosthesis comprises transmitting a stimulus via an auditory prosthesis, thereby delivering an auditory stimulus to the auditory nervous system of a person fitted with said auditory prosthesis, picking up the neurophysiological signals transmitted by said auditory nervous system in response to the auditory stimulus by means of an electro- or magneto-encephalography system, and processing the received signals. The method also includes transmitting a stimulus made up of at least one pair of linguistic units selected from a phonetic confusion matrix, picking up a neurophysiological signal in response separately for each linguistic unit, and comparing the signals in order to evaluate the effectiveness of the prosthesis.

Abstract: Provided is an electromagnetic wave sensor including a thin metal plating layer to prevent an inflow of a fluid into the electromagnetic wave sensor and a method of generating the electromagnetic wave sensor, in which the electromagnetic wave sensor includes a waveguide including a conductor to sense an electromagnetic wave, a ceramic layer accommodated in the waveguide and including a dielectric to reduce a dielectric loss of the electromagnetic wave, and the thin metal plating layer disposed between the waveguide and the ceramic layer to prevent the inflow of the fluid into the electromagnetic wave sensor.

Abstract: An apparatus for measuring complex electrical admittance and/or complex electrical impedance in animal or human patients includes a first electrode and at least a second electrode which are adapted to be disposed in the patient. The apparatus includes a housing adapted to be disposed in the patient. The housing has disposed in it a stimulator in electrical communication with at least the first electrode to stimulate the first electrode with either current or voltage, a sensor in electrical communication with at least the second electrode to sense a response from the second electrode based on the stimulation of the first electrode, and a signal processor in electrical communication with the sensor to determine the complex electrical admittance or impedance of the patient.

Abstract: A method for projecting a broad tracking signal received by an inductively coupled element, such as a transformer during an MR tracking sequence is provided. By varying projection planes, the signal acquired from the transformer along the transmission line can be used to depict the body of the actively tracked medical device, such as the shaft or deflection region of a catheter. This may be achieved by interpolating a line between the position of the transformer element within the transmission line and the tracking coil. A curvature may be added to the line segment and gradually increased until the arc length of the line segment is approximately equal to the predefined length. The direction of the curve may be determined by virtually connecting the transformer position to the distal most tracking coil position, then the curve of the line segment is increased towards the proximal coil position.

Abstract: A method, including positioning body-electrodes in galvanic contact with a body of a patient and locating a probe in the body of the patient. The method further includes tracking positions of the probe during respiration of the patient and determining indications related to impedances between the body-electrodes during the respiration. The method also includes calculating a function relating the positions of the probe to the indications, and applying the function to identify end-expirium points of the respiration based on subsequent indications related to the impedances.

Abstract: A method of locating a tip of a central venous catheter (“CVC”) having a distal and proximal pair of electrodes disposed within the superior vena cava, right atrium, and/or right ventricle. The method includes obtaining a distal and proximal electrical signal from the distal and proximal pair of electrodes and using those signals to generate a distal and proximal P wave, respectively. A deflection value is determined for each of the P waves. A ratio of the deflection values is then used to determine a location of the tip of the CVC. Optionally, the CVC may include a reference pair of electrodes disposed within the superior vena cava from which a reference deflection value may be obtained. A ratio of one of the other deflection values to the reference deflection value may be used to determine the location of the tip of the CVC.

Abstract: A disposable cartridge is provided for indicating the concentration of an analyte of interest in breath. The cartridge includes a housing having a side wall and a longitudinal axis, a reaction chamber in the housing, an optically transparent window in the side wall, for viewing contents of the reaction chamber, the window having a height measured in the direction of the longitudinal axis, and a liquid chamber in the housing. The cartridge is configured to display a color that extends along the entire height of the window following the transfer of liquid from the liquid chamber into the reaction chamber. The intensity of the color corresponds to a concentration of the analyte of interest in the reaction chamber.

Abstract: A method of diagnosing an air leak in a lung compartment of a patient may include: advancing a diagnostic catheter into an airway leading to the lung compartment; inflating an occluding member on the catheter to form a seal with a wall of the airway and thus isolate the lung compartment; measuring air pressure within the lung compartment during multiple breaths, using the diagnostic catheter; displaying the measured air pressure as an air pressure value on a console coupled with the diagnostic catheter; and determining whether an air leak is present in the lung compartment based on the displayed air pressure value during the multiple breaths.

Abstract: Dimensions of a surface feature are determined by capturing an image of the surface feature and determining a scale associated with the image. Structured light may be projected onto the surface, such that the position of structured light in the captured image allows determination of scale. A non-planar surface may be unwrapped. The surface may alternatively be projected into a plane to correct for the scene being tilted with respect to the camera axis. A border of the surface feature may be input manually by a user. An apparatus and system for implementing the method are also disclosed.

Abstract: An interactive virtual care system may include a user sensory module to acquire multi-modal user data related to user movement. A data analysis module may compare the multi-modal user data to predetermined historical user data and/or statistical norm data for users to identify an anomaly in the user movement.

Abstract: A clinical assessment tool coupled to a walking aid for enhancing a therapist's observation-based gait assessment with use of additional objective and quantitative data such as acceleration, angular velocity, and applied forces. The assessment tool facilitates appropriate assistive gait device prescription, provides patients and therapists feedback during gait training, and reduces wrist and shoulder injuries with walking aid usage. The assessment tool is configured to detect timing and speed of walking aid, placement, angular acceleration of the walking aid, and amounts of weight borne on the walking aid.

Abstract: Methods, systems and kits are disclosed for facilitating a subject's muscle contractile capabilities. Movement patterns with muscle hierarchy are also disclosed.

Abstract: Improved cross-calibration between magnetic resonance imaging (MRI) coordinates and optical tracking coordinates is provided. Initial calibration is performed with a calibration tool that includes wireless active markers that can be tracked using the MRI scanner, and an optical marker that can be tracked using the optical tracking system. Data from one or more poses of this tool are used to provide an initial cross-calibration. In use, this initial calibration is corrected to account for differences between actual camera position and the reference location. Here the reference location is the camera location at which the initial calibration was performed.

Abstract: A method, system and apparatus for detecting a disorder of the central nervous system, comprises: recording an EMG from muscle groups on left and right hands of patient; separating a gesture writing action into time intervals of postural and writing activity; recording EMG activity from the same muscle groups during a resting time period; determining a plurality of indicators, comprising: identifying tremor peaks in EMG spectral density; determining muscle tone like stiffness from EMG spectral density determining muscle weakness from EMG intensities; determining patterns of correlation waves; determining a delay from when a subject started writing after hearing an audio signal; determining the time of writing activity, when a pen is touching a tablet; determining the heights and shapes of characters from pen traces on a tablet; and assigning a point value to every indicator and calculating a combined score based on the point values.

Abstract: A method for determining oxygen saturation includes emitting light from sources into tissue; detecting the light by detectors subsequent to reflection; and generating reflectance data based on detecting the light. The method includes determining a first subset of simulated reflectance curves from a set of simulated reflectance curves stored in a tissue oximetry device for a coarse grid; and fitting the reflectance data points to the first subset of simulated reflectance curves to determine a closest fitting one of the simulated reflectance curves. The method includes determining a second subset of simulated reflectance curves for a fine grid based on the closest fitting one of the simulated reflectance curves; determining a peak of absorption and reflection coefficients from the fine grid; and determining an absorption and a reflectance coefficient for the reflectance data points by performing a weighted average of the absorption coefficients and reflection coefficients from the peak.

Abstract: Systems and methods of analyzing biological fluid biomarkers, calculating biomarker data, transmitting data to a transceiver device, and storing the data and/or analytics in a database and/or on at least one remote computer server.

Abstract: A flexible, multi-layered device for automatically sensing sweat biomarkers, storing and transmitting sensed data via wireless network to a computing device having software applications operable thereon for receiving and analyzing the sensed data. The device is functional in extreme conditions, including extremely hot temperatures, extremely cold temperatures, high salinity, high altitude, extreme pHs, and/or extreme pressures.

Abstract: Analyte sensor connectors that connect analyte sensors, e.g., conductive members of analyte sensors, to other devices such as sensor electronics units, e.g., sensor control units, are provided. Also provided are systems that include analyte sensors, analyte sensor connectors, and analyte sensor electronics units, as well as methods of establishing and maintaining connections between analyte sensors and analyte sensor electronics units, and methods of analyte monitoring/detection. Also provided are methods of making analyte sensor connectors and systems that include analyte sensor connectors.

Abstract: Generally, methods, devices, and systems for generating a hybrid analyte level output are provided. The uncompensated analyte levels lag in time with respect to the lag-compensated analyte levels, and the hybrid analyte level output tracks between the uncompensated analyte levels and the lag-compensated analyte levels according to predetermined criteria.

Abstract: A body-mountable device includes a flexible substrate configured for mounting to a skin surface. The device includes an input component configured to receive inputs from a user, e.g., finger presses, swipes, motions of the sensing platform, or gestures. Received inputs could include calibration data, for example, known values of a sensed property to compare with corresponding values obtained by a sensor of the device. The device can additionally include an output component configured to provide outputs to a user. Outputs could include indications of sensor readings, medical alerts, or operational states of the device. The flexible substrate of the device is configured to be adhered or otherwise mounted to the skin in a manner that minimally impacts activities of the body.

Abstract: A system to monitor and transmit a plurality of signals based on a characteristic of a user is disclosed. The system comprises a sensor to produce the plurality of signals on a continuous basis, the signals being indicative of a glucose characteristic measured in the user when a portion of the sensor is placed in subcutaneous tissue. The system further includes a recorder including a recorder port to physically couple and interface with a sensor port of the sensor and a dock remotely located from the sensor and the recorder. The dock includes a dock receiver to physically couple and interface with the recorder port. The recorder can record the signals produced from the sensor when the recorder is coupled to the sensor and the recorder can transmit the stored signals to the dock when the recorder is removed from the sensor and coupled to the dock.

Abstract: Disclosed herein are devices, wound dressings and methods for determining the pH of wound exudate at a wound. Example devices include a device comprising a surface configured to contact the wound and a pH indicator applied to the surface, wherein the pH indicator has a first colour prior to contact with the wound exudate and changes colour as a function of the pH of the wound exudate.

Abstract: A device includes a first portion, an information element, a second portion, and an encoder element. The first portion includes a planar substrate and at least one optical element coupled to the substrate. The optical element has an axis and the axis is substantially normal to the substrate. The information element sensor is coupled to the substrate. The information element sensor is configured to provide an information signal. The second portion includes a membrane configured to couple to the planar substrate. The membrane has a contact surface configured to couple with tissue. The encoder element is coupled to the membrane. The information signal corresponds to proximity of the encoder element.

Abstract: Disclosed herein are systems and methods for monitoring one or more of cerebral oxygenation and total hemoglobin concentration that can be used to perform accurate, noninvasive measurement of cerebral venous blood oxygen saturation (oxygenation) in neonatal patients. A neonatal cerebral oxygenation detection apparatus comprises a wearable support having a light emitter and an acoustic sensor coupled thereto. The wearable support can be secured onto a head of an infant, and the light emitter can be configured to emit a light toward a superior sagittal sinus of the infant's head. The acoustic sensor can be configured to detect acoustic pressure generated by blood in the superior sagittal sinus when the superior sagittal sinus blood absorbs the light. Cerebral oxygenation and/or total hemoglobin concentration can be determined based on the acoustic pressure detected by the acoustic detector.

Abstract: A thin film sensor, such as a glucose sensor, is provided for transcutaneous placement at a selected site within the body of a patient. The sensor includes several sensor layers that include conductive layers and includes a proximal segment defining conductive contacts adapted for electrical connection to a suitable monitor, and a distal segment with sensor electrodes for transcutaneous placement. The sensor electrode layers are disposed generally above each other, for example with the reference electrode above the working electrode and the working electrode above the counter electrode. The electrode layers are separated by dielectric layer.

Abstract: Systems and methods for delivering to and/or receiving fluids or other materials, such as blood or interstitial fluid, from subjects, e.g., from the skin. Beading disruptors and/or capillaries may be used for facilitating the transport of fluids from a subject into a device. Beading disruptors may disrupt the “pooling” of bodily fluids such as blood on the surface of the skin and help influence flow in a desired way. A capillary may conduct flow of fluid in the device, e.g., to an inlet of a channel or other flow path that leads to a storage chamber. A vacuum (reduced pressure relative to ambient) may be used to receive fluid into the device, e.g., by using relatively low pressure to draw fluid into the inlet of a channel leading to a storage chamber. The vacuum source may be part of the device and have a volume that is larger than a recess of the fluid transporter that receives fluid from a surface.

Abstract: The invention relates to a medical removal unit (1) for blood, comprising a needle carrier (2), at least one cannula (3), which has a distal and a proximal cannula segment (6, 7), and a hose-shaped sleeve (4), which has a closed sleeve end (12) and an open sleeve end (11). The sleeve (4) is fastened to a proximal needle-carrier end (10) by means of the open sleeve end (11) and surrounds the proximal cannula segment (7) in a sealing manner in such a way that an accommodating chamber (13) is formed. An air removal device (14) connects the accommodating chamber (13) to the outer environment in order that air flows out of the accommodating chamber and is formed by at least one outflow channel (15) arranged or formed in the needle carrier (2).

Abstract: The invention relates to a receptacle device (1) for separating a mixture (2) into a lighter phase (3) and a heavier phase (4), which comprises a receptacle (5) having an open end (7) and an end (8) closed by a base (9), and the open end (7) is closed by a removable closure unit (15). A separating element (14) made of an elastically deformable material is arranged in a receptacle chamber (13), and the separating element (14) in its non-deformed initial state has a spherical shape and is arranged in the region of the base (9) and contacts an internal face (11) of a side wall (10) in a contact plane (23) oriented perpendicular to a longitudinal axis (6). An external diameter (24) of the separating element (14) is selected to be larger in the non-deformed initial state thereof than a cross-sectional dimension (25) of the receptacle chamber (13) in the contact plane (23). The separating element (14) is held positioned on the internal face (11) of the side wall (10) in a pre-tensioned standby position.

Abstract: A biological fluid collection device includes a collection module and an outer housing. The collection module includes a housing comprising a first end having a sample introduction opening, a second end having a sample dispensing opening, and a passageway extending between the sample introduction opening and the sample dispensing opening. A mixing chamber and a holding chamber are in fluid communication with the passageway such that a sample introduced into the sample introduction opening passes through the mixing chamber and subsequently into the holding chamber. The biological fluid collection device further includes a closure covering the first end, a cap covering the second end and including a vented plug, and an activation member adapted to force a sample contained in the holding chamber out of the sample dispensing opening. The collection module is positioned inside of the outer housing and the closure closes the open end of the outer housing.

Abstract: A computer-implemented cognitive assessment tool is provided for assessing cognitive ability of an individual while multi-tasking. In one embodiment, a computer processing system on which the tool is implemented may receive form the individual first responses to a first task and second responses to a second task, where the first task and the second task are presented to the individual simultaneously. The system may determine that the first task and the second task are performed by the individual based on the first responses and the second responses, and compute a cognitive measure using one or both of the first responses and the second responses. Further, computing the cognitive measure may be based on performance measures of one or both of the first responses and the second responses. Based on the cognitive measure, the system may output a cognitive assessment to the individual.

Abstract: A method, computer-readable medium, and apparatus for detecting a likelihood of depression of a user are disclosed. A method includes a processor for determining a calling pattern and a mobility pattern of a mobile device of the user during a first time period, detecting a likelihood of depression when the calling pattern of the mobile device during the first time period is indicative of a decline in communications as compared to a reference calling pattern and when the mobility pattern of the mobile device during the first time period is indicative of a decline in movement as compared to a reference mobility pattern, and generating a warning message when the likelihood of depression is detected.

Abstract: A driver monitoring system (1) recognizes a state of a driver (S210) and determines a recognition stability (S215). When the recognition stability is less than a predetermined reference value, the driver monitoring system makes a request to the driver for a different action that is different from an action requested when the recognition stability is not less than the reference value (S230, S235, S240, S260, S310) and detects an action of the driver that responds to the request (S270, S315). This configuration can keep the wakefulness of the driver, even when the driver state such as wakefulness cannot be correctly recognized.

Abstract: A non-transitory computer-readable recording medium stores a program that causes a computer to execute a process including: first setting an arousal section including from a time point when a subject has got on a vehicle to a time point when a predetermined time has elapsed thereafter; determining whether an arousal level of the subject has moved toward arousal in a section which is temporally later than the arousal section, based on a biosignal detected from the subject; when the arousal level of the subject has moved toward arousal in the section which is temporally later than the arousal section, updating the arousal section with a section in which the arousal level of the subject has moved toward arousal; and second setting a threshold value for determining whether the subject is in an arousal state, based on a statistical value of the subject's arousal levels corresponding to the updated arousal section.

Abstract: States are identified in a time ordered sequence of data that have a temporal component. Data that includes a plurality of snapshots is received. Each snapshot of the plurality of snapshots includes a plurality of sensor measurements captured from distinct sensors at a common time point. The plurality of snapshots are time ordered. Root mean square error (RMSE) values are computed between successive pairs of the plurality of snapshots in time order. A peak is identified in the computed RMSE values. A valley is identified in the computed RMSE values. A stable state is determined as occurring from the identified peak to the identified valley. The determined stable state is output.

Abstract: The invention generally relates to motion analysis systems and methods of use thereof. In certain aspects, the system includes an image capture device, at least one accelerometer, and a central processing unit (CPU) with storage coupled thereto for storing instructions that when executed by the CPU cause the CPU to receive a first set of motion data from the image capture device related to at least one joint of a subject while the subject is performing a task and receive a second set of motion data from the accelerometer related to the at least one joint of the subject while the subject is performing the task. The CPU also calculates kinematic and/or kinetic information about the at least one joint of a subject from a combination of the first and second sets of motion data, and outputs the kinematic and/or kinetic information for purposes of assessing a movement disorder.

Abstract: Provided is an apparatus for measuring the thickness, roughness, and morphology index of the mandibular cortical bone using a dental panorama image to assist in the diagnosis of osteoporosis, wherein the thickness, roughness, and morphological index of the cortical bone is measured more accurately and the diagnosis of osteoporosis can be supported more accurately. An osteoporosis diagnostic support apparatus, wherein the apparatus has a contour extraction unit adapted to extract a mandibular contour from an image of a mandibular cortical bone photographed by a photographic apparatus adapted to photograph the mandibular cortical bone and surroundings thereof, a line segment extraction unit adapted to extract line segments from the image of the mandibular cortical bone photographed by the photographic apparatus; and a cortical bone thickness calculation unit adapted to calculate a thickness of the cortical bone based on the extracted mandibular contour and line segments.

Abstract: A wearable sensor apparatus comprises a motion sensor configured to sense two or three dimensional movement and orientation of the sensor and a vibration sensor configured to sense acoustic vibrations. The apparatus includes means for attaching the motion sensor and the vibration sensor to a body. The sensor apparatus enables long term monitoring of mechanomyographic muscle activity in combination with body motion for a number of applications.

Abstract: A wireless, programmable biofeedback system, including one or more biofeedback sensor devices, a biofeedback controller device, and a wireless communication link that operationally connects the sensor biofeedback device(s) to the controller biofeedback device. The system may be programmed with desired posture setting, monitor a user's posture with the biofeedback sensor devices for deviations from the desired posture setting, and alert the user to help correct and train to achieve the desired posture setting. Biofeedback controller device may also be, or in addition to, a handheld computer device, such as a smartphone. Further, system may be used to track and graphically represent historical, instant, and predictive future posture records.

Abstract: A wireless electromyography equipment and operating system thereof, more specifically, an electromyography equipment (AE) comprising surface and internal (anal and vaginal) electrodes (sensors) (1) provided with signal conditioning circuit (1b) for amplification of electromyography signals generated by neuromuscular activity of the user (U), as well as an analog-digital converter (1c), a digital telemetry radio transmitter (1d) and respective antenna (1e); the internal electrodes (sensors) (2) may adopt various shapes to serve as a probe adapted to vaginal and anal anatomy; it includes a signal conditioning circuit (2a) for amplification of electromyography signals generated by neuromuscular activity, an analog-digital converter (2b) and a digital telemetry radio transmitter (2c) that, on its main implantation, uses Bluetooth; each surface (1) and internal (2) electrode (sensor) has a battery (1f) and (2e), respectively, with a wireless inductive coupling charging system (capacitive), which are recharged thro

Abstract: A sleep quality management apparatus includes a sensor module and a processing unit. The sensor module is configured to provide a heart rate signal and a skin conductance signal. The processing unit is coupled to the sensor module. The processing unit is configured to determine a sleep stage and a stress level according to the heart rate signal and the skin conductance signal so as to identify a stressful dream occurrence. The stressful dream occurrence is identified when the sleep stage corresponds to a rapid eye movement (REM) stage and the stress level corresponds to a stressful state.

Abstract: The present disclosure provides a method and system for monitoring intensity of pain experienced by one or more users. The one or more users are pediatric patients. The method includes assessing the intensity of the pain experienced by each of the one or more users on one or more pain monitoring scales by using one or more bio-markers, fetching the one or more bio-markers associated with each of the one or more users by a plurality of bio-sensors, determining a co-relation between the one or more bio-markers and the intensity of pain experienced by each of the one or more users and generating a pain profile of each of the one or more users.

Abstract: The present invention provides a disposable absorption product for feminine hygiene for users to assess their health conditions based on the color of their menstrual blood. The disposable absorption product for feminine hygiene comprises a surface layer facing to a human body, a bottom layer facing away from the human body and an absorptive layer disposed between the surface layer and the bottom layer for absorbing liquid; the bottom layer or the surface layer comprises at least one blood color comparison zone which has a color difference compared with zones outside of its peripheries. Compared with the existing prior art, the present invention provides at least one blood color comparison zone on an outer surface of the absorption product for users to observe. By comparing the color of the menstrual blood on the absorption product and the color of the at least one blood color comparison zone, users can assess their corresponding health conditions.

Abstract: A system including a metabolic rate monitor can monitor one or more metabolic determinants to determine a user's metabolic rate. An interval identifier can detect a plurality of intervals corresponding to a least one type of user activity over a time period, wherein each of the plurality of intervals is employed to record the user's metabolic rate determined by the metabolic rate monitor. A metabolic adaptation calculator can determine an adaptation of the user's metabolic rate based on analyzing the user's metabolic rate over each of the plurality of intervals. A recommendation module can provide an output indicating at least one of the metabolic determinants to adjust in response to determined adaptation.

Abstract: A personal impact monitoring system is described herein comprising a monitoring station that receives impact events sent from personal impact monitors, using a monitoring station receiver. The impact events, which specify impact parameters associated with the impact events, are stored in a data storage location associated with the monitoring station. Software operating on the operating station is configured to retrieve the impact events from the data storage location and to perform calculations based on the impact events to identify notable impact events.

Abstract: A system and method for measuring and monitoring blood pressure is provided. The system includes a wearable device and a tonometry device coupled to the wearable device. The Tonometry device is configured to compress a superficial temporal artery (STA] of a user. A sensor pad is attached to the wearable device adjacent the tonometry device. A blood pressure sensor is integrated within the sensor pad for continuous, unobtrusive blood pressure monitoring.

Abstract: The invention relates to a sensor for measuring a vital parameter in the auditory canal of a person or of an animal.

Abstract: Devices, apparatuses, and systems configured to assist in the location of an ABTT terminus and then to measure the temperature of the ABTT terminus.