Abstract: A method and a system for generating a strain map of a dissected blood vessel. A multiphase stack of the dissected blood vessel is received, with a given phase of the multiphase stack representing the blood vessel at a given time in a cardiac cycle. A 3D geometrical model of the blood vessel includes a wall of the blood vessel and a dissection flap is generated. A surface mesh of the blood vessel for a first phase is generated, the surface mesh including a blood vessel wall surface mesh and a dissection flap surface mesh. A local deformation at each phase is determined by mapping voxels of the surface mesh of the blood vessel to the multiphase stack. A strain map including principal strain values is generated using the local deformation and the blood vessel wall surface mesh and the dissection flap surface mesh.

Abstract: An intraoral scanner includes a light source to generate light that is to be output onto an object external to the intraoral scanner. The intraoral scanner further includes an optical system comprising a projection subsystem and an imaging subsystem that are combined such that projection optics of the projection subsystem and imaging optics of the imaging subsystem share one or more lenses and an optical path, wherein the light is to travel the optical path in a first direction to illuminate the object external to the intraoral scanner, and wherein reflected light that has been reflected off of the object external to the intraoral scanner is to travel the optical path in a second direction that is opposite the first direction. The intraoral scanner further includes an image sensor configured to receive the reflected light that has been reflected off of the object external to the intraoral scanner.

Abstract: A wearable device. In some embodiments, the wearable device includes: a sensing module; and a strap attached to the sensing module, the wearable device being configured to be worn by a user, with a lower surface of the sensing module in contact with the user, the strap extending over an upper surface of the sensing module.

Abstract: The present invention relates to a photoacoustic diagnosis apparatus and method for measuring blood sugar in blood by measuring a change in shape of a membrane by sound waves, and more particularly, to a photoacoustic diagnosis apparatus and method for adjusting a frequency response of a diagnosis apparatus by adjusting a size of a membrane. A photoacoustic diagnosis apparatus according to an embodiment of the present invention includes a light source radiating sound by radiating light to a subject, a plurality of sound receivers provided with a membrane whose shape is changed by the sound, and a measuring unit measuring a change in shape of the membrane, in which the membranes of the plurality of sound receivers have different sizes.

Abstract: An animal wellness notification system includes an attachment body configured to securely engage with an ear of the animal; an elongated temperature probe secured to the attachment body and configured to extend within the ear of the animal; a housing secured to the attachment body; a power module electrically connect to and configured to provide power to (or recharge) at least one other element of the animal wellness notification system; a computer disposed within the housing and operably associated with the temperature probe; and a notification device in data communication with the computer, the notification device being configured to provide notice if a temperature of the animal goes beyond a determined.

Abstract: This disclosure relates generally to in-silico modeling of hemodynamic patterns of physiologic blood flow. Conventional cardiovascular hemodynamic models depend on neuromodulation schemes (baroreflex autoregulation) and threshold parameters of neuromodulation correlate with physical activities. Thus these models may not work practically for a large set of people due to dependency on prior knowledge of these parameters. The present disclosure enables estimating blood pressure of a subject by estimating cardiac parameters based on the morphology of ECG signal associated with the subject and hence activation delays in cardiac chambers of the in-silico model is reproduced purposefully. In accordance with the present disclosure, the blood pressure of the subject can be estimated using only the ECG signal even if the signal is missed for some time instance(s) or is noisy.

Abstract: The present invention discloses a method and apparatus for monitoring heart health data based on a microwave radar. The method is used to monitor a respiration rate and a heart rate of an object to be monitored, and implement data detection by non-contact monitoring of the respiratory rate and heart rate of the object to be monitored. According to the method, the respiration rate and heart rate of the object to be monitored can be measured and monitored more conveniently, and the function of timely making a prompt on the abnormality in the respiration rate and heart rate of the object to be monitored in time is achieved. Through a real-time heart rate chart to optimize the experience of the object, especially to assist doctors in making medical diagnosis, this method processes an echo signal and extracts a cardiopulmonary signal of the human body more accurately.

Abstract: The invention relates to the technical field of wireless sensing, in particular to a non-contact breathing or heartbeat detection method, which comprises the following steps: S1, acquiring channel state information of a wireless signal according to an output wireless signal and a wireless signal reflected by a measured target; S2, extracting a vital sign waveform signal from the channel state information of the wireless signal; S3, performing filtering on the vital sign waveform signal based on Huber-Kalman filtering algorithm to obtain the filtered vital sign waveform signal; S4, extracting vital sign parameters from the filtered vital sign waveform signal. In the method, the Huber objective function is used to improve the classical Kalman filtering algorithm, and the Huber-Kalman filtering algorithm is used for filtering processing, so that the human vital sign detection method is more robust, and the extracted vital sign parameters can reflect the human vital signs more accurately.

Abstract: This disclosure provides methods and devices for evaluating a patient's heath by assessing the patient's thermoregulatory response to heat. For example, methods include applying heat to patient skin and measuring rate of temperature change. If the rate of temperature change exceeds a pre-determined threshold, the patient can be identified as suffering from acute heart failure.

Abstract: A bio-index measurement method is disclosed. According to an embodiment, a method of measuring a biometric index of a subject using an artificial neural network in a non-contact manner, performed by one or more processors, may be provided. The method of measuring a biometric index of a subject is performed based on capturing an image of the subject, extracting a plurality of color channel values from the image, and obtaining characteristic values indicating the biometric index based on the plurality of color channel values.

Abstract: A method for optimizing a pulse wave velocity measurement system, comprising: (i) transmitting a pulse from a pulse generator of a first sensor component of the pulse wave velocity measurement system, wherein the first sensor component further comprises a first clock, and wherein the pulse is transmitted from the pulse generator at a known transmission time based on the first clock; (ii) receiving the transmitted pulse by a pulse receiver of a second sensor component of the pulse wave velocity measurement system, wherein the second sensor component further comprises a second clock, and wherein the pulse is received at a known receipt time based on the second clock; (iii) comparing the known transmission time to the known receipt time; and (iv) optimizing, based on the comparison, the pulse wave velocity measurement system.

Abstract: A vital-sign detection device for detecting a vital sign, the vital-sign detection device including: a cuff; a bladder at least partly made from a stretchable sheet material on an inside of the cuff, the bladder being dimensioned to fit onto a body part of a wearer; and at least one sensor that includes an electronic element arranged in and/or on the stretchable sheet material of the bladder in a location so as to be pressed onto the body part by deformation of the bladder.

Abstract: Embodiments of a method, system and/or device assist in dynamically optimizing preterm infants' oxygen saturation target range in a manner that is individualized to the infants' physiological state. In exemplary embodiments, oxygen saturation is dynamically targeted by monitoring the heart rate to determine a heart rate variability measurement and/or determining a pulmonary resilience measurement (PRM) in a preterm infant and adjusting an oxygen saturation target range for the preterm infant. In various embodiments, the heart rate variability measurement and/or PRM is evaluated against a pre-established threshold, and if the heart rate variability measurement and/or PRM meets or exceeds the pre-established threshold, the oxygen saturation target range is adjusted. Embodiments of the present disclosure can further optionally re-adjust the oxygen saturation target range at regular time intervals based on the heart rate variability measurement and/or PRM.

Abstract: A method for measuring the pulse of a person uses a hearing system having at least one hearing instrument with an electroacoustic first input transducer. A first structure-borne sound signal at an ear of the person is picked up by the first input transducer, and a first input signal is generated as a result. A pulse rate is determined based on an amplitude profile of the first input signal. A corresponding hearing system is configured to measure a pulse according to the method.

Abstract: A wearable probe includes a sensor module and a control module. The sensor module includes a transmission source to transmit signals into the tissue at a source position, and two detectors to detect a result of the signals, the two detectors including a first detector positioned at a first separation distance from the source position and a second detector positioned at a second separation distance from the source position. The control module includes a controller and a battery to power the controller and the sensor module. The control module includes a processor, a memory including instructions, and a communications interface. The instructions cause the processor to control the sensor module to transmit signals into the tissue and detect results of the signals with the at least two detectors, receive the detected results, store the detected results in the memory, and transmit the detected results to a remote device.

Abstract: A stent system can be used to measure a flow characteristic of a fluid, such as a biomagnetic fluid, flowing through a passage of a support structure forming a portion of the stent system. The stent system can include a magnetic apparatus mechanically coupled to the support structure, the magnetic apparatus configured to generate a magnetic field through the passage, the field including a component perpendicular to a direction of flow of the biological fluid. The stent system can include electrodes mechanically coupled to the support structure, where the electrodes are connected to output a potential difference generated by the flow of the biological fluid through the magnetic field indicative of a velocity of flow of the biological fluid through the passage.

Abstract: An apparatus for measuring electrodermal activity can include a first electrode in contact with a first portion and a second electrode in contact with a second portion of a stratum corneum, and in electronic communication with the second electrode through the stratum corneum. A processing module is electrically coupled to the first electrode and the second electrode and is operable to (a) bias the first electrode at a first voltage V+ and the second electrode at a second voltage V? (b) measure a current flowing between the first electrode and the second electrode, the current corresponding to the conductance of the stratum corneum, (c) subtract a compensation current from the measured current (d) measure a resulting current producing an amplified output voltage (e) measure a conductance of the stratum corneum, and (f) adjust at least one of the first voltage, the second voltage and the compensation current to desaturate the output voltage.

Abstract: In an MRI apparatus, a dynamic range of an MR signal is extended without increasing the time for imaging nor manufacturing cost. The MRI apparatus is provided with a receiver 200 configured to perform the A/D conversion on two-system nuclear magnetic resonance signals according to a direct sampling method. The receiver 200 comprises a distributor 201 configured to divide each of the nuclear magnetic resonance signals into two-system signals, an attenuator 202 configured to attenuate an overflowed signal outputted from the distributor, and a switch 203 configured to switch between the signals having the same gain to output the switched signal. Also provided is a digital processing means having ADCs of the same number as that of the nuclear magnetic resonance signals to perform the AD conversion respectively for the two types of signals, restore the attenuated signals, and recombine the signals.

Abstract: A MRI apparatus according to an embodiment includes processing circuitry. The processing circuitry obtains MR data acquired by implementing an IR method under a condition where a phase difference in a complex signal related to observed elements is equal to ?, due to a difference in longitudinal magnetization relaxation time between the observed elements; generates phase data on the basis of the MR data; multiplies a phase angle in the phase data by 2n; unfolds the phase of phase data having the phase angle multiplied by 2n; multiplies the phase angle in the unfolded phase data by 1/(2n); generates a phase correction map used for correcting a phase with respect to the complex signal, by applying a complex conjugate to phase data having the phase angle multiplied by 1/(2n); and performs a phase correction on the MR data by using the phase correction map.

Abstract: A system for obtaining imaging information, diagnosis and treatment of a subject using magneto-aerotactic-responsive bacteria; it has a processor; and memory storing program code that, when executed by the processor, cause the processor to obtain imaging information of a target zone in the subject; apply a magnetic field at a first magnetic field intensity to guide the magneto-aerotactic responsive bacteria towards the target zone in the subject having hypoxic regions; and apply a magnetic field with a second magnetic field intensity that is less than the first magnetic field intensity for allowing the magneto-aerotactic responsive bacteria to follow an oxygen gradient that draws the bacteria to hypoxic regions, prior to loss of motility of the magneto-aerotactic responsive bacteria; a method of use thereof.

Abstract: A mechanism for interpreting spatiotemporal data from augmented and virtual reality devices into fitness related metrics and recommendations. Spatiotemporal data can be compared to the physical data of the end user to interpret energy expense such as estimated calorie burn. A virtual reality or augmented reality device can report positional data over time as the user engages with a corresponding environment. The positional data is compared to a biometric profile of the end user to understand how their physical body is exerting itself. The spatiotemporal data is a series of coordinate data expressed over time. The biometric data is the physical profile of the end user. This data is used to understand and quantify physical movement while using a virtual reality or augmented reality device. The energy expense determination mechanism can be used to provide a virtual coach for activities and workouts, games involving physical movement, and other applications.

Abstract: A system, method and apparatus that is capable of automatically detecting and classifying various physical activities of a user. This enables such activities to be analyzed, for example according to the complexity of the activity and the amount of time spent in each activity. A barcode may be calculated, according to the various activities of the user, the amount of time spent in each activity and optionally also the complexity of each such activity.

Abstract: Provided is a waist swinging estimation device including a communication unit that acquires feature amount data including a feature amount extracted from a gait waveform of a spatial acceleration and a spatial angular velocity included in sensor data regarding a movement of a foot of a subject and used for estimation of waist swinging that is an index regarding a movement of a waist, a storage unit that stores an estimation model that outputs an estimated value regarding the waist swinging according to an input of a feature amount included in the feature amount data, an estimation unit that inputs a feature amount included in the acquired feature amount data to the estimation model, and estimate waist swinging of the subject according to an estimated value regarding the waist swinging output from the estimation model, and an output unit that outputs information according to waist swinging of the subject.

Abstract: A detection device includes a waveform generation unit that generates a gait waveform using sensor data related to a motion of a foot, and a detection unit that detects a gait event from the gait waveform based on a condition set for each of an angle, an angular velocity, and an acceleration in a sagittal plane.

Abstract: Provided is a harmonic index estimation device including a communication unit that acquires feature amount data including a feature amount used for estimation of a harmonic index related to smoothness of movement of a waist, the feature amount being extracted from a gait waveform of a spatial acceleration and a spatial angular velocity included in sensor data related to movement of a foot of a subject, a storage unit that stores an estimation model that outputs an estimation value related to the harmonic index, according to an input of the feature amount included in the feature amount data, an estimation unit that inputs the feature amount included in the feature amount data to the estimation model and estimate a harmonic index of the subject according to the estimation value output from the estimation model, and an output unit that outputs information associated to the harmonic index.

Abstract: A sensing system includes a first radar sensing assembly and an analysis system. The first radar sensing assembly measures plural distances to a first target location at different times using radar. The analysis system receives the plural distances from the first radar sensing assembly and quantifies movements of a target object at the first target location at the different times by calculating differences in the plural distances measured by the first radar sensing assembly. The analysis system generates one or more first quantified activity level values indicative of the movements of the target object at the first target location using the differences in the plural distances that are calculated.

Abstract: The disclosed technology provides image-based patient monitoring by capturing a first image, by an image capture sensor, of a predefined region of a patient at a first time, capturing a second image, by the image capture sensor, of the predefined region of the patient at a second time, determining whether the first captured image and the second captured image satisfy a non-respiratory motion condition, the non-respiratory motion condition based in part on a predefined relationship between captured images and motion of a patient attributable to patient actions other than respiration of the patient, classifying a motion of the patient as non-respiratory motion when the non-respiratory motion condition is satisfied, and transmitting an instruction to display an indication of veracity of a respiratory measurement of the patient measured between the first time and the second time based on the classified motion.

Abstract: A biometric imaging device is provided with: placement unit that supports a biological object, imaging unit that takes images of the biological object, and determining unit that determines whether or not the biological object is placed on the placement unit, based on whether or not a feature of the biological object has changed at a place where the placement unit and the biological object are in contact, in the image(s).

Abstract: The present examples relate generally to apparatuses, systems, and methods for deploying a medical device to skin of a host. The medical device may comprise a transcutaneous analyte sensor applied to the skin of a host. The apparatuses, systems, and methods may be for reducing friction between a sensor and an insertion element and/or for controlling sensor deployment.

Abstract: A wearable device can include a sweat collection unit, and optionally, a sweat stimulation unit. The sweat collection unit includes at least one microfluidics channel to collect sweat from a user, a chamber to hold the sweat, and a loading chamber with sweat collection paper that attracts the sweat through the chamber. A chloride sensing unit located within the chamber includes a gold working electrode and a counter electrode that can determine if enough sweat is in the chamber and, if enough, the chloride concentration of the sweat can be determined based on electrochemical reactions in response to electrical signals applied through the electrodes. A controller of the device can notify a user to trigger the sweat stimulation unit if not enough sweat is in the chamber.

Abstract: In the disclosure provided herein, the apparatus, systems and methods describe obtaining biometric measurements, including blood glucose levels, using one or more light sources. In a particular implementation, a biometric parameter measurement system is provided, the system comprising at least one visible light illuminant configured to emit light substantially in the red wavelength and at least one infrared illuminant configured to emit light substantially in the infrared wavelength wherein each of the at least one infrared and visible light illuminants are configured to emit light at a subject.

Abstract: The present invention relates generally to systems and methods for processing, transmitting, and displaying data received from continuous analyte sensor, such as a glucose sensor. In some embodiments, the continuous analyte sensor system comprises a sensor electronics module that includes power saving features. One feature includes a low power measurement circuit that can be switched between a measurement mode and a low power mode, in which charging circuitry continues to apply power to electrodes of a sensor during the low power mode. In addition, the sensor electronics module can be switched between in a low power storage mode higher power operational mode via a switch. The switch can include a reed switch or optical switch, for example. A validation routine can also be implemented to ensure an interrupt signal sent from the switch is valid.

Abstract: Low profile continuous analyte measurement systems and systems and methods for implantation within the skin of a patient are provided.

Abstract: The present examples relate generally to apparatuses, systems, and methods for deploying a medical device to skin of a host. The medical device may comprise a transcutaneous analyte sensor applied to the skin of a host. The apparatuses, systems, and methods may be for reducing friction between a sensor and an insertion element and/or for controlling sensor deployment.

Abstract: Methods, systems, and devices for wearing detection are described. A user device may determine a condition to trigger an oxygen saturation measurement, or a measure of blood oxygen saturation (SpO2), for a user of a wearable device. The condition may be based on a physical state of the wearable device, a physiological state of the user, or both. In some examples, the user device may determine the condition based on one or more relationships between sensor data from the wearable device, application data, physiological data from the wearable device, or any combination thereof. The user device may receive a measure of oxygen saturation of the user from the wearable device. The user device may cause a graphical user interface (GUI) of the user device to display an indication of the measure of the oxygen saturation for the user.

Abstract: Methods, systems, and devices for wearing detection are described. A wearable device may perform a measure of oxygen saturation (e.g., blood oxygen saturation (SpO2)) in a first series of measurements and a second series of measurements at a first locality of an anatomical feature of the user and a second locality of the anatomical feature of the user, respectively. The wearable device may send the first series of measurements and the second series of measurements to a user device of the user. The user device may determine an oxygen saturation calibration by comparing the first and second series of measurements. The user device may calibrate the second series of measurements according to the oxygen saturation calibration.

Abstract: An organic electrochemical transistor (OECT)-based sensor device is disclosed that uses circular-shaped gate electrode and source and drain electrodes that at least partially surround the gate electrode and have an undulating pattern that is generally described as curvy and wavy (CW). The arrangement of the source and drain electrodes around the gate electrode provides the ability to obtain high-transconductance OECT (HT-OECT). With the HT-OECT sensor design, multiplexed OECT-based biosensors can be created for high-throughput screening applications of multiple biomarkers/biomolecules. This platform can be used for point-of-care applications, wearable biosensing, and minimally-invasive biosensing with microneedles or a catheter/probe as a carrier for HT-OECT(s).

Abstract: An inventive medical system has a housing with a first guiding surface. A preassembled module is received in the housing. The module includes electronics electrically connected to an analytical sensor, an insertion component configured for inserting the analytical sensor into body tissue of a user and a sterility cap at least partially surrounding the insertion component. The module has a second guiding surface. A protective cap is removably connected to the housing and covers the preassembled module. The protective cap is removable from the housing by pulling the protective cap from the housing. The first guiding surface guides the protective cap during the pulling of the protective cap from the housing and the second guiding surface guides the sterility cap during pulling the sterility cap from the insertion component. The length of the first guiding surface exceeds the length of the second guiding surface.

Abstract: A unit for automatically collecting blood and/or plasma, includes a number of stations for automatically collecting blood and/or plasma and at least one venepuncture robot. The robot has a blood vessel detector. The robot is fitted on a linear guide and is movable on the linear guide. The stations are laid out along the linear guide such that the robot can move along the linear guide to access the stations.

Abstract: This application relates to an automation compatible collection device for use in collecting samples, e.g., biological fluids and other samples. In some embodiments, the collection device can include a capillary for collecting samples from a biological location of a body and a cap configured to interface with an automation device.

Abstract: A collection device which directs a flow of blood into a container and provides a controlled blood flow path that ensures blood flow from a collection site to a collection container is disclosed.

Abstract: The present examples relate generally to apparatuses, systems, and methods for deploying a medical device to skin of a host. The medical device may comprise a transcutaneous analyte sensor applied to the skin of a host. The apparatuses, systems, and methods may be for reducing friction between a sensor and an insertion element and/or for controlling sensor deployment.

Abstract: A blood draw system may include a catheter adapter connector in fluid communication with a catheter adapter, and a blood draw device in selective fluid communication with the catheter adapter connector. A first valve may be utilized to selectively permit fluid communication between the blood draw device and the catheter adapter connector. A flush device may also be in selective fluid communication with the catheter adapter connector to flush the catheter adapter after a blood draw procedure. A second valve may be utilized to selectively permit fluid communication between the flush device and the catheter adapter connector.

Abstract: A catheter system may include a catheter assembly, which may include a catheter adapter and a catheter extending distally from the catheter adapter. The catheter system may include a needle assembly, which may include a needle hub and an introducer needle extending distally from the needle hub. The introducer needle may extend through the catheter. The needle assembly may also include an extension tube, which may include a distal end integrated with the needle hub and a proximal end integrated with a cannula hub. A cannula may extend proximally from the cannula hub. An elastomeric sheath may be coupled to the cannula hub, and a proximal end of the cannula may be enveloped within the elastomeric sheath. In response to the blood collection tube pushing the elastomeric sheath distally, the cannula may pierce the elastomeric sheath, and the cannula may insert into the blood collection tube.

Abstract: Fluid flow devices including a fluid passage for regulating movement of a fluid therethrough, including flow restriction devices having first and second passages that can regulate a fluid flow in a first direction through the device and can regulate a fluid flow in a second direction through the device, and fluid flow restriction devices that can include a first connector having an internal surface defining an inner lumen, a second connector coupled to an end of the first connector, a cannula mounted in the inner lumen extending into the second connector, a lumen of the cannula may define a first flowpath along which a fluid flows into a fluid collection device, and an annulus may be defined between an outer surface of the cannula and the internal surface of the first connector, the annulus may define a second flowpath along which a fluid flows into a catheter assembly.

Abstract: The present invention provides a portable kit for blood collection. The kit contains the essential components for drawing blood from a person using a needle and blood collection tube. These components preferably include multiple blood collection tubes, needles, needle holders, gauze pads, bandages, and alcohol-prep pads. The kit containing the components is lightweight, compact, and easily stackable. The kit is portable so a phlebotomist, nurse, or other health care practitioner can easily carry the kit.

Abstract: Systems, devices, apparatus, methods, and computer-readable storage media for developmental assessment using eye tracking are provided. In one aspect, a system for development assessment via eye tracking includes: a patient-side computing device having a screen for presenting visual stimuli to a patient, an eye-tracking device integrated with the patient-side computing device and configured to collect eye-tracking data of the patient while the visual stimuli are presented to the patient on the screen of the patient-side computing device, and an operator-side computing device configured to present a user interface for an operator to communicate with the patient-side computing device.

Abstract: Systems, devices, apparatus, methods, and computer-readable storage media for developmental assessment using eye tracking are provided. In one aspect, a system for development assessment via eye tracking includes: a patient-side computing device having a screen for presenting visual stimuli to a patient, an eye-tracking device integrated with the patient-side computing device and configured to collect eye-tracking data of the patient while the visual stimuli are presented to the patient on the screen of the patient-side computing device, and an operator-side computing device configured to present a user interface for an operator to communicate with the patient-side computing device.

Abstract: Systems, devices, apparatus, methods, and computer-readable storage media for developmental assessment using eye tracking are provided. In one aspect, a system for development assessment via eye tracking includes: a patient-side computing device having a screen for presenting visual stimuli to a patient, an eye-tracking device integrated with the patient-side computing device and configured to collect eye-tracking data of the patient while the visual stimuli are presented to the patient on the screen of the patient-side computing device, and an operator-side computing device configured to present a user interface for an operator to communicate with the patient-side computing device.

Abstract: A test to diagnose, monitor or stratify diseases directly or indirectly associated with cholin ergic system pathologies, including Parkinson's disease, which involves a comparison of supplied pupil light reflex data against known normative data of the same kind, characterised by the fact that the supplied data contain the pupil light reflex data, which include at least one sample comprising at least one supplied parameter measured by a known device used to measure pupil light reflexes, and data which include at least one characteristic of the examined patient. The probability of disease occurrence is determined using machine learning algorithms, which comprise at least one neuronal network algorithm (SSN) and/or at least one mathematical function which is not a part of the neuronal network (SSN).