Abstract: The present invention relates to a wearable pressure ulcer detection sensor, and the wearable pressure ulcer detection sensor according to the present invention includes a pressure sensor measuring pressure based on a change in capacitance caused by physical force, a temperature sensor measuring temperature based on a change in electrical conductivity due to electron hopping, and an impedance sensor including two electrodes spaced apart from each other and in contact with skin.

Abstract: Systems and methods for modeling anatomical changes in a patient after installation of a patient-specific implant are disclosed. The system can model changes to a thoracic spine based on changes to the lumbar spine in a patient. The system can calculate and display reciprocal changes to nearby anatomy due to correction of index anatomy. For example, the system models the anatomical changes to the thoracic and cervical spines based on corrections to the lumbar spine.

Abstract: Methods and apparatus monitor health by detection of sleep stage. For example, a sleep stage monitor (100) may access sensor data signals related to bodily movement and/or respiration movements. At least a portion of the detected signals may be analyzed to calculate respiration variability. The respiration variability may include one or more of variability of respiration rate and variability of respiration amplitude. A processor may then determine a sleep stage based on one or more of respiration variability and bodily movement, such as with a combination of both. The determination of sleep stages may distinguish between deep sleep and other stages of sleep, or may differentiate between deep sleep, light sleep and REM sleep. The bodily movement and respiration movement signals may be derived from one or more sensors, such as non-invasive sensor (e.g., a non-contact radio-frequency motion sensor or a pressure sensitive mattress).

Abstract: A device includes a handle, an expandable structure including a plurality of splines extending from a proximal hub to a distal hub, a first electrode on a first spline of the plurality of splines, an outer tube extending from the handle to the proximal hub, and a shaft extending through the outer tube from the handle to the distal hub. The expandable structure has a collapsed state and a self-expanded state. The handle is configured to retract the shaft. Retracting the shaft may expand the expandable structure outward of the self-expanded state.

Abstract: Example inventions treat a headache by affixing a patch externally on a dermis of a user on a head of the user adjacent to one or more targeted nerves, the patch comprising a flexible substrate, a processor directly coupled to the substrate, and electrodes directly coupled to the substrate. Example inventions activate the patch to initiate a treatment session, the activating comprising generating electrical stimuli to the targeted nerves via the electrodes.

Abstract: Systems, devices and methods are provided for titration of a medication dose for a patient or user. The titration may be based on determining a hypoglycemic risk of a user for a plurality of time-of-day periods. The determination of the hypoglycemic risk may be accomplished by known methods, including the glucose pattern analysis, glucose dysregulation analysis, low alarm frequency analysis, and combinations thereof. The system may then select a recommended action based on the analyte pattern type. The system may then store an indicator of the recommended action in a computer memory for output. The system may then output the recommended action. The recommended action may be outputted to the user, an HCP, or a caregiver. The recommended action may also vary depending on who is receiving the recommended action.

Abstract: The present disclosure, in some embodiments, relates to a non-transitory computer-readable medium storing computer-executable instructions that, when executed, cause a processor to perform operations, including accessing an imaging data set having one or more radiological images of a patient having Crohn's disease, the one or more radiological images including one or more intestinal strictures; identifying a plurality of determinative features from within the one or more intestinal strictures in the one or more radiological images, the plurality of determinative features being associated with one or more pathological features used to identify inflammation or fibrosis within an intestinal stricture; and applying a machine learning model to the plurality of determinative features to identify an extent of inflammation or fibrosis within the one or more intestinal strictures.

Abstract: The present invention provides a computer device and a computer-implemented method to quantify the extent of functional coronary artery disease. In addition, the invention provides a computer device for determining the functional pattern of coronary disease in a mammal. It is shown that a mismatch in the extent of CAD between anatomical and physiological evaluations is predictable for an improvement in epicardial conductance with percutaneous revascularization. More particularly the invention provides methods to select a mammal suffering from coronary disease to benefit from a percutaneous coronary intervention.

Abstract: The disclosure relates to a system comprising software that predicts responsiveness of healthy subjects or subjects at risk for or suffering from Alzheimer's Disease to certain disease modifying drugs. Embodiments of the disclosure include methods comprising analyzing images of the brain for depositions of amyloid-beta (A?) protein and tau protein, and correlating protein deposition levels to drug responsiveness.

Abstract: The present disclosure provides a method performed in an accessory device. The accessory device comprises an interface configured to communicate with one or more devices of an ostomy system. The interface comprises a display. The ostomy system comprises a monitor device, and/or an ostomy appliance configured to be placed on a skin surface of a user, wherein the ostomy appliance comprises the base plate. The method comprises displaying, on the display, a notification settings user interface comprising one or more control objects including a first control object, wherein the notification settings user interface is configured to adjust notification setting parameters of an ostomy user application.

Abstract: An optical sensing module suitable for wearable devices, the optical sensing module comprising: a silicon or silicon nitride transmitter photonic integrated circuit (PIC), the transmitter PIC comprising: a plurality of lasers, each laser of the plurality of lasers operating at a wavelength that is different from the wavelength of the others; an optical manipulation region, the optical manipulation region comprising one or more of: an optical modulator, optical multiplexer (MUX); and additional optical manipulation elements; and one or more optical outputs for light originating from the plurality of lasers.

Abstract: A garment includes a securing portion operable to removably secure the garment about an abdomen of a wearer; a sensor attachment portion pivotably attached to the securing portion, the sensor attachment portion including a sensor mount configured to receive and retain a sensor therein; and a sensor received in the flexible sensor mount; the securing portion and the sensor attachment portion being configured such that, when the securing portion is secured around the back of a wearer, the sensor attachment portion pivots with respect to the securing portion so as to self-position the sensor attachment portion across (a) an upper portion of the wearer's abdomen or (b) a lower portion of the wearer's abdomen; the flexible sensor mount being configured to orient a sensor received therein to be flush with skin of the wearer when the garment is worn by the wearer and to self-adjust during the course of pregnancy.

Abstract: A wearable personal healthcare device for measuring personal health is provided that is configured to detect a photoplethysmograph (PPG) wave generated by infra-red, green, or red lights emitted from the device, the personal healthcare device. The device includes an outward facing face, a lateral side, and a bottom side, wherein the bottom side faces a user's skin, a plurality of electrical contact sensors, wherein a first of the plurality of sensors is located on one of the top face, lateral side, and bottom side, and a second of the plurality of sensors is located on one of the top face and lateral side of the personal health care device. The first and second sensors are configured to complete a circuit therebetween when a user contacts the first sensor with a first surface of the user's skin and contacts the second sensor with the first or a second surface of the user's skin.

Abstract: A portable electronic device is proposed, configured for positioning on a user's wrist, for performing an electrocardiogram. The device includes exactly two ECG electrodes, the potential being imposed on one of the two ECG electrodes. The two electrodes consist of a first ECG electrode at the case back and configured to be in contact with the skin of the wrist, and a second ECG electrode.

Abstract: A medical device includes a sensor to observe a characteristic of an anatomy, and a sensor base coupled to the sensor. The medical device includes a coupling system to couple the sensor base to the anatomy. The coupling system includes a first adhesive member and a second adhesive member. The first adhesive member is coupled to the sensor base and the second adhesive member is to couple to the anatomy. The first adhesive member includes at least one cut-out to direct moisture to an ambient environment surrounding the medical device.

Abstract: The disclosed method may include driving a reference signal into a body and detecting, in response to the reference signal, a plurality of biosignal measurements using at least one electrode of a biosensing device. The method may further include determining, based on the plurality of biosignal measurements, a relative location of the at least one electrode with respect to the body, and providing feedback based on the relative location of the at least one electrode. Various other methods, systems, and computer-readable media are also disclosed.

Abstract: A system includes a physiological measurement device, a pressure sensor, and a controller. The physiological measurement device includes a biosensor configured to measure physiological signals upon placement in contact with a user. The pressure sensor is configured to measure a surface contact pressure applied to the user by the biosensor. The controller is in communication with the pressure sensor or the biosensor (e.g. PPG or BioZ or other) or both.

Abstract: A wearable electronic device includes a body, a housing component, a band operable to attach the body to a body part of a user, and a force sensor coupled to the housing component. The force sensor is operable to produce a force signal based on a force exerted between the body part of the user and the housing component. A processing unit of the wearable electronic device receives the force signal from the force sensor and determines the force exerted on the housing component based thereon. The processing unit may use that force to determine a tightness of the band, determine health information for the user, adjust determined force exerted on a cover glass, and/or to perform various other actions.

Abstract: A wearable electronic device includes a body, a housing component, a band operable to attach the body to a body part of a user, and a force sensor coupled to the housing component. The force sensor is operable to produce a force signal based on a force exerted between the body part of the user and the housing component. A processing unit of the wearable electronic device receives the force signal from the force sensor and determines the force exerted on the housing component based thereon. The processing unit may use that force to determine a tightness of the band, determine health information for the user, adjust determined force exerted on a cover glass, and/or to perform various other actions.

Abstract: A medical device system that can include a medical device configured to sense data associated with the subject or receive control input, an external device communicably coupled to the medical device, a storage medium communicably coupled to the external device, and one or more communications interfaces between the medical device, the external device, and the storage medium or components thereof, wherein the one or more communications interfaces comprise an encryption protocol.

Abstract: A catheter control system may include a containment structure, a sensor coupled to the containment structure, and a plurality of actuators coupled to the containment structure. The containment structure may define a lumen configured to allow a fluid to flow therethrough, and a plurality of openings in fluid communication with the lumen. The sensor may be configured to detect a current position and/or orientation of the containment structure. Each of the actuators may be associated with at least one respective opening of the plurality of openings and configured to regulate fluid flow through the at least one respective opening.

Abstract: A device for measuring at least one periodic vital signal from an individual, intended to be attached to a safety apparatus of a vehicle so as to be arranged between the individual and the apparatus, the device comprising: a vibration sensor comprising: a stack of layers and including an active layer made of piezoelectric material and two contact electrodes arranged on at least one face of the active layer, a flexible support layer including a printed circuit comprising two electrical terminals, the support layer being intended to be arranged on the individual, an electrical connection layer, arranged between the stack of layers and the support layer, for connecting each contact electrode to an electrical terminal, an acoustic attenuation member intended to be arranged between the safety apparatus and the vibration sensor, the member being integral with the support layer and arranged above and spaced apart from the stack of layers.

Abstract: A coupled physiological signal measuring device is provided. The coupled physiological signal measuring device includes at least two measuring electrodes, a signal processing unit and a multiplex feedback circuit unit. The measuring electrodes are used to obtain a real-time physiological signal through measurement. The signal processing unit includes a discharge control element. If an electrostatic surge of the real-time physiological signal meets a condition, a discharge control signal is outputted. The multiplex feedback circuit unit is used to discharge the measuring electrodes according to the discharge control signal.

Abstract: A method and a device of measuring tissue element and a wearable apparatus are provided. The method includes: irradiating a measurement region with incident light having multiple predetermined wavelengths, where each beam of the incident light passes through the measurement region to form exit light exited from at least one exit position; obtaining a light intensity value corresponding to each beam of the exit light acquired by M photosensitive surfaces, to obtain T output light intensities each obtained by processing the light intensity value of the exit light acquired by one or more photosensitive surfaces, and each photosensitive surface is used to acquire the light intensity value of the exit light exited from the exit position within a predetermined anti-jitter range corresponding to the photosensitive surface, 1?T?M; and determining a concentration of a measured tissue element according to at least one output light intensity corresponding to the predetermined wavelengths.

Abstract: This relates to methods for measuring irregularities in a signal and corresponding devices. The devices can include a PPG sensor unit configured to detect multiple occurrences of a given event in the measured signal(s) over a sampling interval. In some instances, the device can register the occurrences of the events. In some examples, the device can include one or more motion sensors configured to detect whether the device is in a low-motion state. The device may delay initiating measurements when the device is not in a low-motion state to enhance measurement accuracy. Examples of the disclosure further include resetting the sample procedure based on one or more factors such as the number of non-qualifying measurements. In some examples, the device can be configured to perform both primary and secondary measurements, where the primary measurements can include readings using a set of operating conditions different from the secondary measurements.

Abstract: The present invention relates to a physiological measurement device (11) comprising a processor (37) configured to input (47, 49) at least one digital signal (x) from frontend circuitry (17) of the measurement device (13), the digital signal (x) representing an analog signal (s) present at an input (13) of the frontend circuitry (17) and at least one filtered digital signal (y), the filtered digital signal (y) generated by at least one digital filter (27) from the digital signal (x) based on a set of filter coefficients (fk).

Abstract: An apparatus senses foot conditions of temperature at locations on the plantar and dorsal sides of the foot, and applies computerized processes to provide early detection of foot ulcers and/or vascularization issues, such as artery degradation in the foot.

Abstract: Systems and methods for recognizing and classifying breathing patterns based on spatial analysis of chest wall or abdominal movement or acceleration are described. A medical-device system comprises a receiver circuit to receive respiration information of a patient, and a breath analyzer circuit to determine from the respiration information two or more spatial respiration components, such as accelerations of chest wall or abdominal movement in respective directions along the anatomical axes. The breath analyzer circuit can classify a breathing pattern as one of either chest breathing or diaphragmatic breathing based on the determined spatial respiration components. The classified breathing pattern can be used for detecting a physiological event such as worsening heart failure or for assessing the patient's risk of having metabolic disorders.

Abstract: An information processing apparatus including: a receiver configured to acquire sensor information received from a wearable device and location information identifying a location of a communication device which receives the sensor information; and a controller configured to execute, based on the location information and the sensor information, an evaluation processing to evaluate a risk of a user who wears the wearable device, wherein the evaluation processing being configured to be changed based on the location information.

Abstract: A system and method provides a glucose report for determining glycemic risk based on an ambulatory glucose profile of glucose data over a time period, a glucose control assessment based on median and variability of glucose, and indicators of high glucose variability. Time of day periods are shown at which glucose levels can be seen. A median glucose goal and a low glucose line provide coupled with glucose variability provide a view into effects that raising or lowering the median goal would have. Likelihood of low glucose, median glucose compared to goal, and variability of glucose below median provide probabilities based on glucose data. Patterns can be seen and provide guidance for treatment.

Abstract: Systems, methods and apparatus are provided through which in some implementations, a system calculates an indication of cranial-concussion or sequelae from a cranial-concussion of a subject using skeletal tracking and calculating joint angles at different time points from the motion, posture, jumping/landing mechanics and/or balance of the subject in different movements.

Abstract: Methods, systems, and computer readable media for detecting stroke by monitoring of upper limb movements. In some examples, a method for detecting stroke includes receiving, at a stroke detector implemented on at least one processor, movement data from an accelerometer attached to an upper limb of a patient for a period of time. The method includes analyzing, at the stroke detector, the movement data using a test statistic robust to motion distribution covariate shift to enable passive monitoring of the patient. The method includes outputting, at the stroke detector, an alarm signal in response to detecting a stroke using the movement data.

Abstract: A system using combined electrocardiography (EKG) and photoplethysmography (PPG) sensing to assess intra-arterial fluid volume is described. The system uses averaging of similar pulses based on prior (n?1; n minus 1) R-to-R pulse wave duration, and prior-prior (n?2; n minus 2) R-to-R pulse wave duration, to determine a patient's fluid status and whether it is below or above optimal intravascular hydration.

Abstract: The embodiments of the present disclosure provide a system, a method, and a medical imaging device for acquiring a physiological signal of a target. The system may include a projection module configured to project a structured light to a designated region of the target; an acquisition module configured to acquire a reflected structured light formed by the structured light reaching the designated region; and a processing module configured to determine the physiological signal of the target based on the acquired reflected structured light.

Abstract: Techniques disclosed herein involve displaying, via a graphic user interface, historical physiological data of a person measured during a historical time period, and one or more historical events occurred during the historical time period; receiving a change to at least one attribute of a historical event of the one or more historical events; and displaying, via the graphic user interface, adjusted historical physiological data indicating estimated changes of the historical physiological data resulted from the change to the at least attribute of the historical event.

Abstract: A system and method for generating a computed tomography (CT) image of an object includes establishing a narrow-spectrum high-energy bin and other bins with wider-spectrum and lower-energies and acquiring a first dataset using the narrow-spectrum high-energy bin. The method also includes acquiring second or more datasets using the wide-spectrum, low-energy bins, reducing data attributable to scatter from the second or more datasets using the first dataset to create reduced-scatter datasets, and reconstructing CT images of the object from the reduced-scatter datasets.

Abstract: A radiation treatment system includes a radiation delivery system including a rotatable gantry that is coupled to a static portion of the radiation treatment system and a radiation source that directs treatment radiation to a target volume and is mounted on the rotatable gantry for rotation about the target volume. The radiation treatment system further includes a computed tomography (CT) imaging system that generates portions of a CT scan of a region of patient anatomy that includes the target volume, wherein the CT imaging system includes an arcuate array of x-ray detectors, and an array of x-ray sources positioned around the target volume, wherein each x-ray source in the array of x-ray sources is oriented to direct imaging x-rays towards a different portion of the arcuate array of x-ray detectors.

Abstract: An X-ray CT apparatus according to an embodiment includes a photon-counting X-ray detector including a plurality of pixels and processing circuitry configured to acquire first data in a resolution priority mode from a first pixel set out of the pixels, acquire second data in an energy decomposition mode from a second pixel set, which is different from the first pixel set, out of the pixels at sampling intervals longer than those of the resolution priority mode, and generate third data based on the first data and the second data.

Abstract: Computer-implemented enhanced invasive imaging methods, systems, and computer-readable media are described.

Abstract: An eye mask apparatus for protecting a patient's eyes while being secured around the patient's head during panoramic dental radiography, the apparatus comprising an elongated lead vinyl sheet having a first end and a second end, wherein said first and second ends have attachment devices to releasably secure said two ends together. The elongated lead vinyl sheet is adapted to be secured around the patient's head at eye level. The elongated lead vinyl sheet is further adapted to cover a slice of the patient's head that is confined between two planes, the two planes being parallel to a transverse plane of the patient's head at eye level. Therefore, the eye mask apparatus protects the slice of the patient's head and the patient's eyes from x-ray radiation during the panoramic dental radiography. The lead vinyl sheet is placed over the patient's eyes prior to radiography.

Abstract: A radiation shield is adapted to be disposed transversely across a subject supported on the surface of a procedure table to protect medical professionals working in front of the radiation shield from radiation being applied to the subject behind the radiation shield. The radiation shield includes a movable barrier positional to extend transversely across a subject supported on the surface of a procedure table. The barrier has a generally vertically-oriented lower section; a generally forwardly sloping intermediate section; and a generally vertically-oriented upper section, forwardly offset from the plane of the lower section. A side section extends outwardly and rearwardly from one side of the lower, intermediate, and upper sections of the barrier.

Abstract: A radiation shielding device to be worn in conjunction with a radiation standard apron includes a first shielded portion configured to cover the right axilla and the outer quadrants of the right breast of a user with shielding material, a second shielded portion configured to cover the left axilla and the outer quadrants of the left breast of a user with shielding material, a first arm sleeve coupled to the first shielded portion and configured to cover an underside portion of a right proximal arm of a user with shielding material, a second arm sleeve coupled to the second shielded portion and configured to cover an underside portion of a left proximal arm of a user with shielding material, and a plurality of lightweight material portions coupling the first shielded portion and the second shielded portion.

Abstract: A computer-implemented method of reducing scatter in an X-ray projection image of an object comprises: generating an initial X-ray projection image with an imaging beam and an X-ray detector; based on a first position in a detector array of the X-ray detector, selecting a first kernel for convolution of a first portion of the initial projection image, wherein the first position corresponds to the first portion of the initial projection image; based on a second position in the detector array of the X-ray detector, selecting a second kernel for convolution of a second portion of the initial projection image, wherein the second position corresponds to the second portion of the initial projection image; convolving the first portion with the first kernel and the second portion with the second kernel to generate a scatter component of the initial X-ray projection image; and generating a corrected X-ray projection image by removing the scatter component from the initial X-ray projection image.

Abstract: A computer-implemented method of reducing scatter in an X-ray projection image of an object, the method comprising: generating an initial X-ray projection image of an object with an imaging beam produced by an imaging system; based on a first transmission indicator for the object and on a second transmission indicator for at least one element of the imaging system, selecting a kernel for convolution of the initial projection image; convolving the initial X-ray projection image with the kernel to generate a scatter component of the initial X-ray projection image; and generating a corrected X-ray projection image by removing the scatter component from the initial X-ray projection image.

Abstract: Provided are a PCCT apparatus and a control method of the same capable of detecting an abnormality occurring in a photon counting type detector. There is provided a PCCT apparatus including a photon counting type detector that counts X-ray photons, the PCCT apparatus including: a spectrum generation unit that generates a spectrum which is a distribution of photon counts for each energy bin; a calculation unit that calculates a photon count change rate for each energy bin from a spectrum at a first time and a spectrum at a second time; and a determination unit that determines presence or absence of an abnormality in the photon counting type detector based on the photon count change rate.

Abstract: Methods for quantitatively separating x-ray images of a subject having three or more component materials into component images using spectral imaging or multiple-energy imaging with 2D radiographic hardware implemented with scatter removal methods. The multiple-energy system may be extended by implementing DRC multiple energy decomposition and K-edge subtraction imaging methods.

Abstract: A radiological image is acquired of a part of a patient by positioning the patient within an analysis zone of the radiologic imaging device and setting an imaging start location. The part of the patient to be diagnosed is included between the start location and an end location. A series of images is acquired with a radiologic beam beginning at the start location and continuing until the end location is imaged. The images in the series of images are stitched together to form a composite scouting image.

Abstract: A wall thickness estimation method includes: obtaining behavioral information based on a video in which an organ wall or a blood vessel wall is captured using four-dimensional angiography, the behavioral information being numerical information about changes over time in a position of each of a plurality of predetermined points in the organ wall or the blood vessel wall; generating, based on the behavioral information obtained in the obtaining, estimation information that visualizes mass of each of the plurality of predetermined points for estimating a thickness of the organ wall or a thickness of the blood vessel wall; and outputting the estimation information generated in the generating.

Abstract: A method and corresponding system of identifying coronary artery disease. The method comprises receiving contrast cardiac CT data indicative of a contrast cardiac CT scan carried out on a patient, and analysing the contrast cardiac CT data using machine learning to identify a plurality of seed points in the contrast cardiac CT data expected to correspond to locations in cardiac arteries of the patient. The method also comprises producing data indicative of transverse image slices of the cardiac arteries of the patient using the contrast cardiac CT data and the identified seed points, analysing the transverse image slice data using machine learning to produce inner artery wall data and outer artery wall data indicative of predicted respective inner and outer walls of the coronary arteries of the patient, and identifying presence of coronary artery disease using the predicted inner and/or outer walls of the coronary arteries of the patient.

Abstract: The present invention provides a closed loop generation and/or infusion system comprising a radionuclide generator, an activity detector, a controller, a dose calibrator, a pump, eluant source and an automated elution system controlled by software and hardware for generation and infusion of a radionuclide for administering a dose of generated radionuclide into a subject for diagnosing a peripheral arterial disease in a subject suffering from or suspected of suffering from peripheral arterial disease and/or metabolic disease via Positron Emitting Tomography (PET) or Single-photon emission computed tomography (SPECT) imaging technologies.