A61B2560/0223

CROSS SECTION VIEWS OF WOUNDS
20230094442 · 2023-03-30 · ·

A non-transitory computer readable medium storing data and computer implementable instructions that, when executed by at least one processor, cause the at least one processor to perform operations for generating cross section views of a wound, the operations including receiving 3D information of a wound based on information captured using an image sensor associated with an image plane substantially parallel to the wound; generating a cross section view of the wound by analyzing the 3D information; and providing data configured to cause a presentation of the generated cross section view of the wound.

SYSTEM AND METHOD FOR PROVIDING ENHANCED PAP METRICS

A system for obtaining and providing enhanced PAP metrics of a patient's sleep period includes: a pressure support device for use in providing a flow of breathing gas to the patient; a processing unit; and a number of auxiliary devices in wireless communication with the processing unit. Each auxiliary device of the number of auxiliary devices is structured to detect and collect sleep-related data of the patient. The processing unit is programmed to: receive data obtained by a number of sensors of the pressure support device during operation of the pressure support device in providing the flow of breathing gas to the patient; receive supplemental data obtained by the number of auxiliary devices while the pressure support device is not providing the flow of breathing gas to the patient; and determine the enhanced PAP metrics of the sleep period of the patient utilizing the data and the supplemental data.

METHOD AND APPARATUS FOR DETERMINING INTERNAL ORGAN SHIFT
20230030380 · 2023-02-02 ·

Provided are a method and apparatus for determining displacement of an internal object disposed in a patient's body. The method includes positioning an arrangement of electrodes of a capacitive sensor adjacent to a patient's body part, such that each electrode is spaced apart from the body part, wherein the body part at least partly encloses the internal object of the patient. Providing, with the capacitive sensor, a plurality of sensor signals, wherein each sensor signal is indicative of a capacitance in a vicinity of at least one electrode of the arrangement of electrodes, determining a set of capacitance values for at least a subset of the electrodes of the arrangement of electrodes based on processing the plurality of sensor signals, and determining a displacement of the internal object with respect to the body part based on comparing the determined set of capacitance values with a set of reference capacitance values.

A DEVICE FOR DETERMINING A CHANGE IN THE VISUAL COMFORT OF A USER
20230037143 · 2023-02-02 · ·

A device and a method for determining a change in the visual comfort of a user, the device including at least one light source for stimulating at least one eye of the user, a sensing circuit facing at least one eye area of the user when the device is worn by the user, the sensing circuit being configured to remotely acquire at least one signal representative of at least one characteristic of said at least one eye area, and a controller configured to determine a change in the visual comfort of the user depending on a variation of said at least one signal acquired by the sensing circuitry.

DISCRETE VOLUME DISPENSING SYSTEM FLOW RATE AND ANALYTE SENSOR

A device for determining the amount or concentration of an analyte in a fluid sample and a flow rate of the fluid sample in a channel is provided. The device includes a chamber including a channel and an opening, the channel in fluid communication with the opening. The device further includes a wicking component positioned adjacent to the opening configured to receive an amount of fluid from the channel. The device may further include an analyte sensor positioned on the wicking component, the analyte sensor configured to detect an analyte in fluid in contact with the analyte sensor, wherein the wicking component is configured to contact the amount of fluid with the analyte sensor. Alternatively the device may include at least one pair of electrodes configured to determine a flow rate of the fluid in the channel.

TECHNIQUES FOR TEMPERATURE MEASUREMENT ACCORDING TO A CALIBRATED TEMPERATURE

Methods, systems, and devices for temperature calibration are described. A device may support temperature calibration for a set of temperature sensors. For example, a wearable device may activate a set of temperature sensors associated with the wearable device. The set of temperature sensors may include a primary temperature sensor and one or more secondary temperature sensors. The wearable device may determine a trigger to calibrate the one or more secondary temperature sensors based on one or more conditions, and calibrate the one or more secondary temperature sensors using the primary temperature sensor based on the trigger. Based on the calibrating, the wearable device may process temperature data associated with a user that is received from one or more of the primary temperature sensor or the one or more secondary temperature sensors.

SENSOR SIGNAL PROCESSING WITH KALMAN-BASED CALIBRATION

Methods, systems, and computer readable media are disclosed for estimating an amount of an analyte in blood of a subject. In an example, a method includes obtaining a noise filtered current by noise filtering a current received from an analyte sensor placed interstitially in tissue of the subject, estimating one or more blood analyte calibration parameters based on the noise filtered current, obtaining a second set of one or more interstitial analyte calibration parameters based at least in part on the one or more blood analyte calibration parameters, and estimating the amount of the analyte in the blood of the subject based on the noise filtered current and the one or more interstitial analyte calibration parameters. In this way, an analyte sensor that is placed interstitially may readily be calibrated to report accurate blood analyte values.

IMPROVED PERSONAL HEALTH DATA COLLECTION

The invention disclosed herein relates to improvements in the collection personal health data. It further relates to a Personal Health Monitor (PHM), which may be a Personal Hand Held Monitor (PHHM), that incorporates a Signal Acquisition Device (SAD) and a processor with its attendant screen and other peripherals. The SAD is adapted to acquire signals which can be used to derive one or more measurements of parameters related to the health of a user. The computing and other facilities of the PHM with which the SAD is integrated are adapted to control and analyse signals received from the SAD. The personal health data collected by the SAD may include data related to one or more of blood pressure, pulse rate, blood oxygen level (SpO.sub.2), body temperature, respiration rate, ECG, cardiac output, heart function timing, arterial stiffness, tissue stiffness, hydration, blood viscosity, blood pressure variability, the concentration of constituents of the blood such as glucose or alcohol and the identity of the user.

Headset device for detecting fluid in cranium via time varying magnetic field phase shifts and harmonics of fundamental frequencies

A diagnostic method for monitoring changes in a fluid medium in a patient's head. The method includes positioning a transmitter at a first location on or near the patient's head, the transmitter generates and transmits a time-varying magnetic field into a fluid medium in the patient's head responsive to a first signal; positioning a receiver at a second location on or near the patient's head offset from the transmitter, the receiver generates a second signal responsive to a received magnetic field at the receiver; transmitting a time-varying magnetic field into the fluid medium in the patient's head in response to the first signal; receiving the transmitted magnetic field; generating the second signal responsive to the received magnetic field; and determining, a phase shift between the transmitted magnetic field and the received magnetic field for a plurality of frequencies of the transmitted time-varying magnetic field.

FILTER-BASED ARRHYTHMIA DETECTION

This disclosure is directed to a medical system and technique for a filter-based approach to arrhythmia detection. In one example, the medical system comprises one or more sensors configured to sense physiological parameter(s); sensing circuitry configured to generate patient data based on the sensed physiological parameter(s), the patient data comprising signal data to represent cardiac activity of the patient; and processing circuitry configured to: detect a cardiac arrhythmia for the patient based on a classification of the signal data in accordance with a machine learning model, wherein the machine learning model comprises filter(s) for at least one portion of the signal data, wherein the at least one filter corresponds to a feature set that maps to the cardiac activity represented by the portion(s) of the signal data; and generate for display output data indicative of a positive detection of the cardiac arrhythmia.