Abstract: A system for determining a clinically relevant temperature differential between a predetermined area of interest on the body surface of a mammal and a control area on the body surface of said mammal, said system comprising: a visual and thermal image capturing device, said image capturing device comprising: a housing, a means for capturing a digital visual image within said housing; and a means for capturing a digital thermal image within said housing; a display apparatus, said display apparatus comprising means for showing said captured visual image and said captured thermal image; and a computing apparatus, said computing apparatus operatively connected to said image capturing device and to said display apparatus, said computing apparatus comprising: a means for selecting a control area on the surface of the skin; a means for determining an temperature of said control area; a means for selecting an area of clinical interest within said visual image; a means for calculating plane geometric features of said s

Abstract: An arterial pulse wave may be determined via a system that includes a pressure transducing pad configured to temporarily attach to skin of a user and to deflect outwards from the skin proportionate to pressure applied by an artery. A sensor is configured to measure outward deflection of the pressure transducing pad. A plurality of electrodes are coupled to the pressure transducing pad and configured to interface with the skin of the user when the pressure transducing pad is attached to the skin of the user. The plurality of electrodes include electrodes configured to apply a current to the skin of the user, and electrodes configured to measure a voltage differential across the skin of the user. An arterial pulse wave may be determined based on at least the measured outward deflection and the measured voltage differential.

Abstract: Systems and methods are disclosed for informing and monitoring blood flow calculations with user-specific activity data, including sensor data. One method includes receiving or accessing a user-specific anatomical model and a first set of physiological characteristics of a user; calculating a first value of a blood flow metric of the user based on the user-specific anatomical model and the first set of physiological characteristics; receiving or calculating a second set of physiological characteristics of the user by accessing or receiving sensor data of the user's blood flow and/or sensor data of the user's physiological characteristics; and calculating second value of the blood flow metric of the user based on the user-specific anatomical model and the second set of physiological characteristics of the user.

Abstract: A method, comprising receiving a time series of patient body signal, determining first and second sliding time windows for the time series; applying an autoregression algorithm, comprising: applying an autoregression analysis to each of the first and second windows, yielding autoregression coefficients and a residual variance for each window; estimating a parameter vector for each window based on the autoregression coefficients and residual variances; and determining a difference between the parameter vectors; and determining seizure onset and seizure termination based on the difference between the parameter vectors. A non-transitory computer readable program storage unit encoded with instructions that, when executed by a computer, perform the method.

Abstract: This relates to systems and methods for determining one or more physiological signals of a user using ambient light. The systems and methods can include one or more light sensors configured to measure light that has interacted with a user and one or more light sensors configured to measure ambient light. The gain of the one or more light sensors can be adjusted based on the levels of measured ambient light. For example, the gain of the one or more light sensors can be increased when ambient light levels are low (e.g., a low light environment), or the gain of the one or more light sensors can be decreased when ambient light levels are high (e.g., a bright light environment). In some examples, the systems can include a variable opacity element whose transmission properties (e.g., opacity and/or selected one or more wavelengths to pass through) can be varied.

Abstract: A driving-rule system suitable to operate an automated includes a vehicle-detector and a controller. The vehicle-detector is suitable for use on a host-vehicle. The vehicle-detector is used to detect movement of an other-vehicle proximate to the host-vehicle. The controller is in communication with the vehicle-detector. The controller is configured to operate the host-vehicle in accordance with a driving-rule, detect an observed-deviation of the driving-rule by the other-vehicle, and modify the driving-rule based on the observed-deviation.

Abstract: An apparatus includes one or more memories storing computer readable code and processor(s). The processor(s), in response to loading and executing the computer readable code, cause the apparatus to perform operations including receiving electrocardiogram data from an electrocardiogram sensor. The electrocardiogram data includes data from an electrocardiogram from a person. The operations also include receiving pulse wave data from one or more pulse wave pressure sensors. The pulse wave data includes data from one or more pulse waves from the person. The operations further include determining blood pressure using the electrocardiogram data or the pulse wave data from the chest and the pulse wave data from the wrist or finger, and outputting an indication of the blood pressure. Another apparatus uses pulse wave data from two pulse wave sensors (e.g., pulse wave pressure sensor(s) and/or PPG sensor(s)) and blood pressure determinations are made using these pulse wave data.

Abstract: An apparatus includes one or more memories storing computer readable code and processor(s). The processor(s), in response to loading and executing the computer readable code, cause the apparatus to perform operations including receiving electrocardiogram data from an electrocardiogram sensor. The electrocardiogram data includes data from an electrocardiogram from a person. The operations also include receiving pulse wave data from one or more pulse wave pressure sensors. The pulse wave data includes data from one or more pulse waves from the person. The operations further include determining blood pressure using the electrocardiogram data or the pulse wave data from the chest and the pulse wave data from the wrist or finger, and outputting an indication of the blood pressure. Another apparatus uses pulse wave data from two pulse wave sensors (e.g., pulse wave pressure sensor(s) and/or PPG sensor(s)) and blood pressure determinations are made using these pulse wave data.

Abstract: One aspect of the subject matter described in this disclosure can be implemented in a device capable of use in estimating blood pressure. The device includes one or more arterial sensors configured to obtain arterial measurements at two or more elevations. The device additionally includes one or more processors configured to determine one or more calibration parameters for a first blood pressure model based on the arterial measurements and a hydrostatic pressure difference between at least two of the elevations. The processors also are configured to determine a first blood pressure based on the first blood pressure model, the calibration parameters and the arterial measurements. The processors also are configured to determine a second blood pressure based in part on a second blood pressure model, one or more calibration parameters and the arterial measurements. The processors are further configured to provide a final blood pressure based on the first and second blood pressures.

Abstract: A blood pressure measurement data processing method includes obtaining first calibration data of a user and pre-stored second calibration data of the user; determining, according to the first calibration data and the second calibration data, an optimal function used to represent a function relationship between a pulse wave transmission time and a blood pressure value of the user; obtaining a current pulse wave transmission time of the user; and calculating a current blood pressure value of the user according to the current pulse wave transmission time and the optimal function.

Abstract: A method for calculating blood pressure based on pulse return wave transmission time, and a blood pressure monitor have been provided. The method includes the following steps: S1: collecting and storing pulse waveform data at a fingertip; S2: processing said pulse waveform data to obtain a heart rate and parameters of a plurality of pulse periods, detecting time axis coordinates of a primary wave starting point SPL1 of a pulse wave and a growth point SPL2 of a return wave in each of said pulse periods, and calculating a corresponding pulse return wave transmission time RWTT: RWTT=SPL2?SPL1; S3: calculating the pulse return wave transmission time RWTT in each of said pulse periods to form a RWTT array; and S4: calculating systolic and diastolic pressures based on said RWTT array and the heart rate.

Abstract: A system for monitoring blood pressure includes a blood pressure cuff, a blood pressure measurement device removably connected to the blood pressure cuff, and a cuff verification module. The cuff verification module is executable on a processor to receive medical record information from a patient, determine an expected cuff size for the patient based on the medical record information, receive a detected cuff size for the blood pressure cuff, and verify that the detected cuff size is consistent with the expected cuff size.

Abstract: The systems, devices, and methods presented herein use a heart pump to obtain measurements of cardiovascular function. The heart pumps described herein can operate in parallel with and unload the heart. The system can quantify the functioning of the native heart by measuring certain parameters/signals such as pressure or motor current, then calculate and display one or more metrics of cardiovascular function. These metrics, such as left ventricular end diastolic pressure (LVEDP), left ventricular pressure, and contractility, provide valuable information to a user regarding a patient's state of heart function and recovery.

Abstract: Provided are a device and method for receiving a fetal heart rate (FHR) signal at each interval during a monitoring period, receiving a uterine pressure (UP) signal at each of the intervals to obtain a plurality of FHR-UP signal pairs, and extracting a feature value for each FHR-UP signal pair, with the feature value being extracted from a predefined alphabet of feature values.

Abstract: A monitoring system may include a processor and display system for displaying results from the monitoring. A user may be in a sterile field away from the processor and display system and selected input devices. A controller may be physically connected to the monitoring system from the sterile field to allow the user to control the monitoring system.

Abstract: Embodiments include microelectrodes including a flexible shank and a bioabsorbable material surrounding the flexible shank. The flexible shank can include a flexible substrate, a circuit, and a plurality of sensors. Embodiments also include a methods of forming flexible active electrode arrays including depositing a flexible polymer on a substrate. The methods also include forming a plurality of sensors on the flexible polymer and attaching a silicon-based chip to the flexible shank. The methods also include coating the flexible shank in a bioabsorbable material and cutting the shank and a portion of the bioabsorbable material from the substrate.

Abstract: Biometric sensor devices, systems and methods for obtaining biometric data and displaying biometric information based on the data on the sensor devices. The systems allow for additional biometric data collection and/or analysis through wireless communication capabilities. The devices and systems provide real-time information to the medical professional working on a patient. The information may be further based upon medical guidelines associated with the performed medical activity.

Abstract: Brain activity detection technologies are disclosed. In some embodiments the technologies include a brain activity detection system that includes a sensor block including that includes at least one reference electrode and at least one sense electrode. The reference and sense electrodes are configured to produce analog reference and analog sense signals that are indicative of activity of a brain of a user. A signal processing block may also be included, and is configured to generate at least one digital differential signal based at least in part on the analog reference and analog sense signals. At least one processor may convert the digital differential signal(s) in said time domain to one or more frequency domain digital differential signals. Signal processing on the frequency domain digital differential signal may be performed to determine health information of a user. Devices, methods, and computer readable media utilizing such technologies are also disclosed.

Abstract: A headset for defecting brain electrical activity may include a flexible substrate having first and second ends each configured to engage an ear of a subject and dimensioned to fit across the forehead of a subject. The headset may also include a plurality of electrodes disposed on the substrate and configured to contact the subject when the headset is positioned on the subject. First and second electrodes may contact top center and lower center regions of the forehead, respectively, third and fourth electrodes may contact front right and front left regions of the forehead, respectively, fifth and sixth electrodes may contact right side and left side regions of the forehead, respectively, and electrodes included within the securing devices may contact the ear regions. The third and fourth electrodes may be moveable in at least a vertical direction relative to the other electrodes.

Abstract: A non-contact vital sign monitoring system transmits wireless signals to the same side of a biological subject via two antennas with different gains, and the two antennas receive two reflected signals from the biological subject with random body movement. Under a proper setup of the two antennas, the two reflected signals can be adjusted by an amplitude and phase adjusting unit to have the Doppler shift components caused by body movement with equal magnitude and out of phase and the Doppler shift components caused by vital signs with different magnitude. Therefore, the random body movement effect can be cancelled based on the relation between the two reflected signals in using the system to monitor the vital signs of the subject.

Abstract: Provided is a method of selecting a slice configuration of a medical imaging apparatus. According to an example, an expected scanning time for scanning a region of a scanning length by the medical imaging apparatus with each of candidate slice configurations may be determined, and one or more first slice configurations are selected from the candidate slice configurations in a way that the scanning time of each of the first slice configurations is less than a preset threshold. An expected scanning length and an expected redundant scanning dose for scanning the region by the medical imaging apparatus with each of the first slice configurations may be determined. In this way, for scanning the region by the medical imaging apparatus, a target slice configuration may be selected from the first slice configurations according to the expected redundant scanning dose.

Abstract: A great device (10) processes and visualizes electrical impedance tomography (EIT) data (3) of at least one region of the lungs for determining and visualizing regional properties of the lungs of a living being. The EIT data (3) are obtained from an electrical impedance tomography apparatus (30). The device makes it possible to visualize regional properties of the lungs or of regions of the lungs in terms of hyperdistension or collapse.

Abstract: An apparatus for determining tissue versus fluid components of an organ include a detector that generates a detector signal based on electrical signals derived from tissue and fluid. The apparatus includes a signal processor in communication with the detector which subtracts in real time a tissue component from the detector signal and produces a fluid volume signal. A method for monitoring a patient's fluid volume of a patient's organ. An apparatus for monitoring a patient's organ. A method for monitoring a patient's organ. A method to piggyback an admittance system onto a AICD/Bi-ventricular Pacemaker for a heart of a patient, in particular a weakened heart having features consistent with congestive heart failure. An apparatus for monitoring an organ, such as a heart, lungs, brain, skeletal muscle, and bladder of a patient which includes a detector which detects the admittance of the organ.

Abstract: Systems, devices and methods of determining orientation of a distal end of a medical instrument (e.g., electrode-tissue orientation of an RF ablation catheter) are described herein. One or more processors may be configured to receive temperature measurements from each of a plurality of temperature-measurement devices distributed along a length of the distal end of the medical instrument and determine the orientation from a group of two or more possible orientation options based on whether temperature measurement values or characteristics of temperature response determined from the temperature measurement values satisfy one or more orientation criteria.

Abstract: A system for locating the tip of a catheter inside a human body is provided. The system includes a housing; a sound emitter and a sound sensor housed in the housing; a waveform generator configured to generate a fixed waveform at a desired frequency and having desired characteristics and output the fixed waveform to the sound emitter; a peripherally inserted central catheter fluidly coupled to the housing and configured to propagate the fixed waveform toward a heart of a patient; a sound sensor housed within said housing, said sound configured to sense sound waves reflected from the heart as the peripherally inserted central catheter is progressed toward a heart of a patient; and a waveform analyzer operably coupled to the output of the waveform generator and input from the sound sensor, the waveform analyzer operable to determine the difference between the output and input.

Abstract: The pericardiocentesis needle is fitted with sensors, such as at least one electrode or at least one magnetic field sensor, and preferably both a proximal and a distal electrodes or multiple magnetic field sensors. These electrodes or other sensors are coupled to an electrophysiology mapping system configured to display cardiac structures on a display. The electrodes or other sensors on the needle cause a position, and preferably also orientation, of the needle, and especially the tip of the needle, to be visualized on a display of the electrophysiology mapping system, in accurate position relative to adjacent cardiac structures. In other embodiments other transcutaneous devices such as dilators and sheaths can be similarly fitted with electrodes or other sensors for visualization of such other devices within a display of an EP mapping system.

Abstract: A medical device can be localized by providing at least three non-colinear localization elements (e.g., electrodes) thereon. Once placed in a non-ionizing localization field, three adjacent localization elements, at least one of which will typically be a spot electrode, may be selected, and the non-ionizing localization field may be used to measure their locations. A cylinder is defined to fit the measured locations of the selected localization elements. The cylinder is rotationally oriented using the measured location of a spot electrode. Location and rotational attitude information may be used to construct a three-dimensional representation of the medical device within the localization field. The electrodes may be provided on the medical device or on a sheath into which the medical device is inserted. The invention also provides systems and methods for identifying and calibrating deflection planes where the medical device and/or sheath are deflectable.

Abstract: A method and system for measuring respiratory rate are disclosed. In a first aspect, the method comprises measuring at least one respiration signal and filtering the respiration signal using a lowpass filter. The method includes peak-picking the respiration signal to determine the respiratory rate and determining a quality metric of the respiratory rate. In a second aspect, the system comprises a wireless sensor device coupled to a user via at least one electrode, wherein the wireless sensor device includes a processor and a memory device coupled to the processor, wherein the memory device stores an application which, when executed by the processor, causes the processor to carry out the steps of the method.

Abstract: We describe a capnometer for detecting a concentration of a component in a gas, wherein said gas is inhaled and/or exhaled by a patient, said capnometer comprising: an air flow region through which said gas passes to and/or from said patient's lung; a mid-IR semiconductor emitter configured to provide IR light at a wavelength in the range 3-5 ?m;a mid-IR semiconductor detector to detect said IR light; a reflector to reflect said IR light emitted by said emitter; wherein said emitter, said detector and said reflector are arranged such that said IR light emitted by said emitter passes through said air flow region via said reflector to said detector.

Abstract: A sensor for electrically measuring a force acting on the sensor, which force is distributed unevenly across a measurement surface (10) of the sensor, wherein an electrical force measurement signal is generated, is set forth. An areally formed spring device (20) is provided between the measurement surface (10) and a counter-surface (11). A first measuring element is arranged in or on the measurement surface (10) and a second measuring element is arranged in or on the counter-surface (11), the elements substantially completely covering these surfaces in each case. The measuring elements, e.g. capacitor plates, are designed such that the measuring signal can be generated from a distance between the measuring elements.

Abstract: A system for detecting the dimensions and geometry of a native valve annulus for trans-catheter valve implantation includes a compliant balloon and a shaft within the balloon. One or more drive electrodes may be affixed to a surface of the balloon, and one or more sense electrodes may be affixed to the shaft. After insertion of the balloon into the native valve annulus, the drive electrodes may be energized with a predetermined voltage. Using a trained statistical model and the voltages measured at the sense electrodes, initial estimates of the cross-section of the valve annulus may be obtained. The initial estimates may then be provided to an optimization model of the valve annulus to obtain a highly accurate prediction of the cross-section of the valve annulus.

Abstract: A wearable maternity article is provided. The article may comprise a front portion, a back portion substantially opposite to the front portion, a side portion in between the front portion and the back portion, an interior portion, an exterior portion opposite to the interior portion, at least one pocket, wherein at least one pocket is positioned substantially on the back portion, and at least an insert.

Abstract: A gait authentication system and method is provided. The system includes a mobile computing device configured to be carried by a person while moving with a unique gait. A first sensor (e.g. an accelerometer) is carried by the mobile computing device and generates a first signal. A second sensor (e.g. a gyroscope) is carried by the mobile computing device and generates a second signal. A gait dynamics logic implements an identity vector (i-vector) approach to learn feature representations from a sequence of arbitrary feature vectors carried by the first and second signals. In the method for real time gait authentication, the computing of invariant gait representations are robust to sensor placement while preserving highly discriminative temporal and spatial gait dynamics and context.

Abstract: An occupancy monitoring device, such as for a bed or chair, including a capacitor having a first electrode adapted for attachment along the side of a bed or mattress or a chair, a second electrode adapted for positioning remotely from the first electrode and a defector tor detecting dielectric shift induced in the capacitor by movement of an occupant on the bed, mattress or chair.

Abstract: A wearable device with an energy harvesting circuit calculates a trendline based on a plot of multiple calorie amounts, each calorie amount associated with an energy amount. Each calorie amount is based on one or more sensor measurements over a particular time period corresponding to a fitness activity from one or more sensors of the wearable device. Each energy amount is an amount of energy produced by the energy harvesting circuit during the time period corresponding to the fitness activity. The wearable device uses the trendline to determine how many calories the user should burn in order for the energy harvesting circuit to produce enough electric charge to charge the wearable device to a predetermined battery charge level and outputs a user alert based on this amount of calories.

Abstract: The present disclosure relates to systems and processes for monitoring a workout and for generating improved interfaces for the same. One example user interface detects when a workout of a particular type is started and begins generating activity data related to workout metrics associated with the type of workout selected. Using determined current values for the workout metrics, the example user interface displays a pro-view display that includes indicators for the workout metrics associated with the selected workout type. The pro-view display also includes a focus indicator that highlights a selected indicator representative of a focused workout metric. The focus indicator is movable among the indicators representative of the workout metrics based on user input. Upon detection of a gesture, the example user interface transitions to a simple-view display that includes an indicator representative of the focused workout metric.

Abstract: This relates to systems and methods for determining the axial orientation and location of the user's wrist using one or more sensors located on the strap, the device underbody, or both. For example, the strap can include a plurality of elastic sections and a plurality of rigid sections. Each elastic section can include one or more flex sensors. In some examples, on or more electromyography (EMG) sensors can be included to measure the user's electrical signals, and the user's muscle activity can be determined. In some examples, a plurality of strain gauges can be included to generate one or more signals indicative of any changes in shape, size, and/or physical properties of the user's wrist. In some examples, the device can include a plurality of capacitance sensors for increased granularity and/or sensitivity in measuring the amount of tension exerted by the user's wrist.

Abstract: A dual-task performing ability evaluation method includes a dual task step (S201), an analysis step (S401), and an evaluation step (S601). In the dual task step (S201), a subject performs a dual task including a movement task that requires the subject to perform specific movement and an intelligence task that requires the subject to answer a specific problem. Further, at least one of motion and an answer of the subject performing the dual task is detected. In the analysis step (S401), the at least one of the motion and the answer that has been detected is analyzed. In the evaluation step (S601), dual-task performing ability of the subject is evaluated based on a result of the analysis.

Abstract: A lancing device including a latch that pivots between a non-blocking position allowing a lancet carrier and a lancet to advance and retract through a first forward and reverse lancing stroke and a blocking position preventing further/excess/secondary oscillation of the lancet carrier and lancet. The pivotal latch can pivot about an axis perpendicular (e.g., for an L-shaped latch) or parallel/coaxial (e.g., for a sleeve latch) to the advancement and retraction motion of the lancet carrier and lancet.

Abstract: The present invention is directed to the parenteral procurement of bodily-fluid samples. The present invention is also directed to systems and methods for parenterally procuring bodily-fluid samples with reduced contamination from dermally-residing microbes. In some embodiments, a bodily-fluid withdrawing system is used to withdraw bodily fluid from a patient for incubation in culture media in one or more sample vessels. Prior to withdrawing bodily fluid into the one or more sample vessels for incubation, an initial volume of withdrawn bodily fluid is placed in one or more pre-sample reservoirs and is not used for the incubation in culture media.

Abstract: Embodiments of the present disclosure provide techniques and configurations for an apparatus for stress event detection. In some embodiments, the apparatus may be a wearable device and may include at least one first sensor disposed on the wearable apparatus to generate a first sensor signal indicative of a brain activity of a user, at least one second sensor disposed on the wearable apparatus to generate a second sensor signal indicative of a heart rate of the user, and at least one third sensor disposed on the wearable apparatus to generate a third sensor signal indicative of a respiration rate of the user. The apparatus may further include a controller coupled with the at least first, second, and third sensors, to detect a stress event for the user, based at least in part on the first, second, and third sensor signals. Other embodiments may be described and/or claimed.

Abstract: A stress management system comprises: a first sensor that detects biological data of a user; a second sensor that detects life log data indicating an action history of the user; a generator that generates stress data using the biological data, the stress data indicating a time series variation of a stress level of the user; an estimator that, when the stress level of the user included in the stress data exceeds a first threshold, estimates whether or not stress of the user is interpersonal stress caused by contact with another person, using the life log data; and a notifier that notifies the user of a result of the estimation by the estimator and notifies a notification target person different from the user of notification content based on the result of the estimation by the estimator.

Abstract: A method and system for measuring psychological stress disclosed. In a first aspect, the method comprises determining R-R intervals from an electrocardiogram (ECG) to calculate a standard deviation of the R-R intervals (SDNN) and determining a stress feature (SF) using the SDNN. In response to reaching a threshold, the method includes performing adaptation to update a probability mass function (PMF). The method includes determining a stress level (SL) using the SF and the updated PMF to continuously measure the psychological stress. In a second aspect, the system comprises a wireless sensor device coupled to a user via at least one electrode, wherein the wireless sensor device includes a processor and a memory device coupled to the processor, wherein the memory device stores an application which, when executed by the processor, causes the processor to carry out the steps of the method.

Abstract: A method and system for measuring psychological stress disclosed. In a first aspect, the method comprises determining R-R intervals from an electrocardiogram (ECG) to calculate a standard deviation of the R-R intervals (SDNN) and determining a stress feature (SF) using the SDNN. In response to reaching a threshold, the method includes performing adaptation to update a probability mass function (PMF). The method includes determining a stress level (SL) using the SF and the updated PMF to continuously measure the psychological stress. In a second aspect, the system comprises a wireless sensor device coupled to a user via at least one electrode, wherein the wireless sensor device includes a processor and a memory device coupled to the processor, wherein the memory device stores an application which, when executed by the processor, causes the processor to carry out the steps of the method.

Abstract: The present invention is directed to a toilet which is a medical device and which includes multiple sensors and mechanisms for analyzing health metrics that may include biomarkers. The toilet is in communication with a computer processer that is programmed to evaluate the validity of collected health metrics. One set of metrics may inform the validity of another set of metrics. Each data point within the multiple health metrics is assigned a weight value that is an indicator of its validity. Data points may be excluded from calculations if deemed to be invalid. Data points may also be flagged as requiring additional information about the user to determine its validity or interpretation. Methods of using the toilet to assess the health status of a user is also disclosed.

Abstract: Systems and methods for facilitating exercise monitoring are provided.

Abstract: Embodiments include microelectrodes including a flexible shank and a bioabsorbable material surrounding the flexible shank. The flexible shank can include a flexible substrate, a circuit, and a plurality of sensors. Embodiments also include a methods of forming flexible active electrode arrays including depositing a flexible polymer on a substrate. The methods also include forming a plurality of sensors on the flexible polymer and attaching a silicon-based chip to the flexible shank. The methods also include coating the flexible shank in a bioabsorbable material and cutting the shank and a portion of the bioabsorbable material from the substrate.

Abstract: Embodiments include microelectrodes including a flexible shank and a bioabsorbable material surrounding the flexible shank. The flexible shank can include a flexible substrate, a circuit, and a plurality of sensors. Embodiments also include a methods of forming flexible active electrode arrays including depositing a flexible polymer on a substrate. The methods also include forming a plurality of sensors on the flexible polymer and attaching a silicon-based chip to the flexible shank. The methods also include coating the flexible shank in a bioabsorbable material and cutting the shank and a portion of the bioabsorbable material from the substrate.

Abstract: Methods and apparatus for guiding medical care based on sensor data from the gastrointestinal tract are described utilizing an apparatus which can be used with enteral feeding. Generally, the apparatus includes an elongated body having a length configured for insertion into a stomach and at least one pair of electrodes located along the length of the elongated body and positionable for placement within the stomach. A controller in electrical communication with the at least one pair of electrodes is included and the control may also be configured to measure a conductivity or impedance between the pair of electrodes and to determine a gastric residual volume of the stomach based on the measured conductivity or impedance.

Abstract: Systems and methods for assessing compliance with position therapy. In an embodiment, position therapy is provided to a user while the user is wearing a position therapy device. The position therapy comprises, by the device, collecting positional data, determining positions of the user over a time period based on the positional data, and, when it is determined that the user is in a target position, providing feedback to the user to influence the user to change to a non-target position. In addition, the device stores a duration of use in its memory. The duration of use indicates a duration that the user has used the wearable position therapy device in each of one or more positions. An assessment of the user's compliance with the position therapy is then provided based, at least in part, on the duration of use.