Abstract: A wearable medical device for collecting a biofluid and related methods are disclosed. The device has a patch adapted to removably couple to a user's skin. The patch has at least one flow channel, at least one sample chamber, and at least one biomarker detection chamber. The flow channel and/or the sample chamber conducts the biofluid towards the biomarker detection chamber. The sample chamber is adapted to create a high humidity environment adjacent the user's skin. The flow channel comprises a hydrophobic material and a hydrophilic material.

Abstract: The invention provides a monitoring device (1) for attachment to a stance of a subject. The device comprises a data collector (2) and a processor (3) as two separate parts which can be detachably joined such that physiological signals which are detected by the data collector can be transferred to the processor for signal processing and provision of monitoring data. At least one of the data collector and the processor comprises a transducer which can convert the physiological signal to a data signal which can be processed electronically. The data collector is adapted for adhesive contact with a skin surface, and may comprise an adapter (6) for the detachable attachment of the processor.

Abstract: Disclosed herein are embodiments of a continuous analyte sensor that can be used to measure glucose or lactate levels in a patient, along with other analytes. In some embodiments, the sensor can be located in the tissue or a blood vessel of a patient, and a probe can be located on the skin of the patient generally adjacent to the sensor. The probe can detect luminescent signals that originate from the sensor and that are dependent on analyte levels.

Abstract: Articles and methods for collecting and/or facilitating transfer of fluids are generally provided. In some embodiments, an article comprises a fluid collection region for introducing a fluid, such as a sample (e.g., blood sample) or a reagent, into a fluidic system. The articles and methods described herein may be useful for facilitating the filling of relatively small channels with a fluid, such as channels of a microfluidic device. The articles and methods may, for example, interface with a patient sample (e.g., a droplet of blood), or with a macroscopic fluid source such as a pipette or syringe. In certain embodiments, articles and methods described herein may increase the ease of collecting a fluidic sample from a patient, prevent or reduce spillage of the fluidic sample, reduce contamination of a fluidic sample, and/or prevent or reduce air from entering a fluidic sample or device compared to certain existing fluid collection devices.

Abstract: The present invention discloses a depression assessment system based on physiological information, comprising an information acquisition module, a signal processing module, a parameters calculation module, a feature selection module, a machine learning module and an output result module.

Abstract: Mental state data useful for determining mental state information on an individual, such as video of an individual's face, is captured. Additional data that is helpful in determining the mental state information, such as contextual information, is also determined. Intermittent mental state data is interpolated. The data and additional data allow interpretation of individual mental state information. The additional data is tagged to the mental state data. At least some of the mental state data, along with the tagged data, is analyzed to produce further mental state information. A mood measurement is a result of the analysis.

Abstract: Video of one or more people is obtained and analyzed. Heart rate information is determined from the video. The heart rate information is used in mental state analysis. The heart rate information and resulting mental state analysis are correlated to stimuli, such as digital media, which is consumed or with which a person interacts. The heart rate information is used to infer mental states. The inferred mental states are used to output a mood measurement. The mental state analysis, based on the heart rate information, is used to optimize digital media or modify a digital game. Training is employed in the analysis. Machine learning is engaged to facilitate the training.

Abstract: Methods are provided for non-invasive early screening of a subject for a neurodegenerative disorder, by analyzing one or more parameters associated with the neurodegenerative disorder.

Abstract: a photoacoustic apparatus comprises a light source; a plurality of acoustic-wave receiving elements each configured to receive an acoustic wave generated from the object and convert into an electric signal; a supporting body configured to support the plurality of acoustic-wave receiving elements; a moving unit configured to move the supporting body; and an information acquiring unit configured to generate information in the object on the basis of the electric signal, wherein the photoacoustic apparatus performs measuring in first measurement positions and acquires a first electric signal, performs measuring in second measurement positions and acquires a second electric signal, and generates structural information and functional information in the object, and the first measurement positions and the second measurement positions are positions different from each other.

Abstract: Techniques, methods, systems, devices, and computer readable medium are disclosed from an oral cavity of a user identifying a feature in the user's oral cavity, tracking the feature as it changes, and determining a condition based on the tracking of the feature in the user's oral cavity. The user can use an interface provided by the device's user interface for activities such as biofeedback, controlling functions of the device and other devices, receiving information from external devices or the device, etc.

Abstract: In some implementations, a mobile device can adjust an alarm setting based on the sleep onset latency duration detected for a user of the mobile device. For example, sleep onset latency can be the amount of time it takes for the user to fall asleep after the user attempts to go to sleep (e.g., goes to bed). The mobile device can determine when the user intends or attempts to go to sleep based on detected sleep ritual activities. Sleep ritual activities can include those activities a user performs in preparation for sleep. The mobile device can determine when the user is asleep based on detected sleep signals (e.g., biometric data, sounds, etc.). In some implementations, the mobile device can determine recurring patterns of long or short sleep onset latency and present suggestions that might help the user sleep better or feel more rested.

Abstract: The circuit may include bio-stimulating signal generating circuit which generates a bio-stimulating signal in a bio-stimulating mode, a bio-signal electrode which delivers the bio-stimulating signal generated in the bio-stimulating mode and receives a bio-signal in a bio-signal measuring mode, a switch block which is turned on when a voltage of the bio-stimulating signal is greater than a first reference voltage which is greater than a second reference voltage or lower than the second reference voltage, first and second resistors, and a bio-signal measuring circuit which measures voltage signals divided by the first and second resistors or measures a signal of the bio-signal electrode according to whether the switch block is turned on. The first and second resistors may be serially connected between the bio-signal electrode and the switch block, and divide a voltage of a signal of the bio-signal electrode when the switch block is turned on.

Abstract: Disclosed herein are methods of treating cardiac arrhythmia with electronic monitoring in a timely manner. Also disclosed herein are systems for electronic monitoring of cardiac arrhythmia.

Abstract: A method and apparatus monitors chronic disease state of a patient. The method may include extracting, in a processor, for each of a plurality of monitoring sessions, a respiratory feature from a respiratory signal indicative of the patient's respiration during the monitoring session, the respiratory signal derived from at least one sensor; and computing, in a processor, a stability measure of the patient for a monitoring session, the stability measure representing an indication of a change point having occurred at the monitoring session in a statistical distribution of the respiratory feature.

Abstract: An alertness prediction bio-mathematical model for use in devices such as a wearable device that improves upon previous models of predicting fatigue and alertness by gathering data from the individual being monitored to create a more accurate estimation of alertness levels. The bio-mathematical model may be a two-process algorithm which incorporates a sleep-wake homeostasis aspect and a circadian rhythm aspect. The sleep-wake homeostasis aspect of the model is improved by using actigraphy measures in conjunction with distal skin, ambient light and heart rate measures to improve the accuracy of the sleep and wake estimations. The circadian rhythm model aspect improves fatigue prediction and estimation by using distal skin, heart rate and actigraphy data. The sleep-wake homeostasis and circadian rhythm aspects may also be combined with additional objective and subjective measures as well as information from a user to improve the accuracy of the alertness estimation even further.

Abstract: A body fat measuring apparatus, system and pairing method thereof are provided. The body fat measuring apparatus and system include: a measuring unit provided for determining a current body weight and a current impedance of a user, and the current body weight and the current impedance used as a current analysis data set; a storage unit provided for cumulatively storing a user name, a user characteristic information related to the user name, and a plurality of recorded analysis data sets corresponding to the user names; and a processor provided for pairing the user name, reading the user characteristic information related to the user name, and obtaining a body fat information by calculating with the current body weight and the current impedance of the user.

Abstract: An intelligent insole is provided. The intelligent insole includes an insole body, a pressure sensor, a temperature sensor, a humidity sensor and a signal collector. The pressure sensor, the temperature sensor and the humidity sensor are formed on the surface of the insole body, and the above sensors and the insole body are manufactured via the same 3D printing process. The pressure sensor senses the pressure signal from the insole body in contact with the foot. The temperature sensor and the humidity sensor respectively sense the temperature signal and the humidity signal of the insole body. The signal collector is respectively electrically connected to the pressure sensor, the temperature sensor and the humidity sensor to receive the pressure signal, the temperature signal and the humidity signal and then transmit the signals to a signal receiver via wireless transmission.

Abstract: Provided according to embodiments of the invention are photoplethysmography probes designed for use on a user's nasal alar. Methods of using such photoplethysmography probes are also provided herein.

Abstract: An apparatus for use in securing a reusable medical device to an exterior surface of a patient's body includes a cushion, a first adhesive member, and a second adhesive member. The cushion includes a bottom side, a top side opposite the bottom side, and an opening adapted to receive at least a portion of the reusable medical device therein. The first adhesive member includes an upper adhesive surface and lower adhesive surface opposite the upper adhesive surface. The second adhesive member is interposed between the cushion and the first adhesive member, and includes a first adhesive surface and a second adhesive surface opposite the first adhesive surface.

Abstract: Provided are devices and methods suitable for immobilizing tissue and for use in non-invasive methods of assessing lower urinary tract symptoms as well as in surgical application.

Abstract: A clip (10) is provided with a body (12,14) that can house a device (16) such as a breathing monitor and that can attach to a garment. The body (12,14) forms a fixed jaw (18) and has a pivot jaw (24) that can pivot to grip the garment between fixed jaw(18) and pivot jaw (24). The clip (10) also has a pivoting lock (38) with a detent (42) that locks the pivot jaw (24) in a closed position, when the lock (38) is in a lock position.

Abstract: The current invention pertains to a method whereby the accuracy of a heart rate prediction gathered from sensor data can be improved during periods when motion corrupts the signal. The model utilized can also be inverted to infer information on the physiological state of a subject, such as real-time energy utilization or physiological load. In addition, this method can also be used to segment the contribution of each energy system, namely the phosphagen system, anaerobic glycolysis and aerobic respiration, to the physiological load experienced by the user. At the core of this approach lies a model describing the dynamic adjustment of human heart rate under varying physiological demands.

Abstract: A high CMRR neural signal amplifier is configured for supply rail common mode feedback (SR-CMFB) whereby a set of CMFB signals is provided to supply rails of front end LNAs. High CMRR is maintained through buffering outputs of front end signal LNAs and a reference LNA coupled to signal and reference inputs of second stage amplifiers, respectively; and buffering the reference LNA output using an active/guard buffer pair, whereby across a plurality of distinct multiplexing time intervals, during each multiplexing time interval one buffer of the pair functions as an active buffer that drives second stage amplifier reference inputs corresponding to second stage amplifier outputs being multiplexed to a set of multiplexor outputs, and the other buffer of the pair functions as a guard buffer coupled to other second stage amplifier reference inputs corresponding to second stage amplifier outputs not being multiplexed to the set of multiplexor outputs.

Abstract: In some embodiments of the present invention, a method of reducing artifacts includes obtaining OCT/OCTA data from an OCT/OCTA imager; preprocessing OCTA/OCT volume data; extracting features from the preprocessed OCTA/OCT volume data; classifying the OCTA/OCT volume data to provide a probability determination data; determining a percentage data from the probability data determination; and reducing artifacts in response to the percentage data.

Abstract: Various embodiments identify valid arterial pulses of a subject. The method may include accessing one or more measured pulses from one or more arterial measurement sensors. The processor may identify one or more valid pulses from the one or more measured pulses based on a comparison of one or more pulse characteristics of the one or more measured pulses to one or more reference pulses. The one or more pulse characteristics are determined based on the one or more measured pulses and a wavelet transform. The wavelet transform is determined based on the one or more reference pulses.

Abstract: The invention concerns a method of analysing the brain activity of a patient performing a given task or in response to an external stimulus, by comparison of standardized data with data in a database, by means of fuzzy logic algorithms.

Abstract: A system and method for representing quasi-periodic electrocardiography waveforms, wherein system employs a hybrid-coding scheme combining linear predictive coding techniques based upon Algebraic Code Excited Linear Prediction with a discrete wavelet transforms.

Abstract: Methods, systems, and computer programs are presented for generating alarms and congratulatory messages to reduce sedentary time. One method includes an operation for capturing motion data using an activity tracking device. The method further includes operations for storing the motion data in memory, and for identifying one or more intervals during a day. Each interval includes a start time and an end time, and a near-end time is defined between the start and the end time. For each interval, the number of steps taken during the interval is determined, and the number of steps is compared against a goal defined by a number of steps to be taken during the interval. A first notification is displayed when the number of steps is less than the goal and the near-end time has been reached. A second notification is displayed congratulating the user if the interval goal is reached.

Abstract: The present disclosure relates to a system and method for medical imaging. An imaging device having a table may be provided. Scans of a subject located on the table at multiple table positions may be performed based on a scanning protocol, each scan covering a portion of the subject. Data may be acquired based on the scans of the subject. An image may be reconstructed based on the acquired data.

Abstract: Disclosed herein is a signal processing system for medical imaging system using a multi threshold voltage. The signal processing system for medical imaging system may include: a signal detector detecting radiation emitted from radiopharmaceutical products injected into an object or radiation irradiated to the object and transmitting the object to generate and output a radiation detection signal; an analog signal processor receiving radiation detection signals for each channel output from the signal detector and a plurality of preset different threshold voltages and each comparing the received radiation detection signals with signals depending on the plurality of different threshold voltages to generate and output a plurality of trigger signals; and a digital signal processor receiving the trigger signals and acquiring energy information, time information, and position information representing detailed information on the radiation detection within the object on the basis of the received trigger signals.

Abstract: A digital breast tomosynthesis system includes an object fixing unit including first and second fixing plates, a first vibration plate moved in linkage with the first fixing plate and a second vibration plate moved in linkage with the second fixing plate, and configured to fix the object between the first and second vibration plates, an X-ray generator configured to project X-ray toward the object; an X-ray detector configured to detect the X-ray, a vibration generating device configured to vibrate the first and second vibration plates at a set frequency, and a vibration control device configured to control the vibration generating device by generating a vibration signal corresponding to the set frequency, wherein the X-ray generator projects the X-ray at specific time intervals on the basis of the set frequency.

Abstract: An intra-oral system comprising: an x-ray detector configured to detect extra-orally applied x-rays; and a saliva fluid sensing sub-system configured to sense saliva fluid within the oral cavity.

Abstract: A helical CT scanner for imaging an object is provided. The helical CT scanner includes an X-ray emitter configured to emit X-ray beams towards the object, and a detector array positioned opposite the X-ray emitter, the detector array including a plurality of discrete detector blocks arranged in a two-dimensional grid, each detector block including a plurality of pixels, wherein at least one first gap is defined between adjacent detector blocks in a first direction, and wherein at least one second gap is defined between adjacent detector blocks in a second direction. The helical CT scanner further includes a processing device communicatively coupled to said detector array, said processing device configured to reconstruct an image of the object based on image data acquired using said detector array.

Abstract: The disclosure is directed at a method and apparatus for a flat panel X-ray imaging detector. In one embodiment, the apparatus includes three (3) layers including a top layer, an intermediate layer and a bottom layer. The top layer generates a top layer image; the intermediate layer generates an intermediate layer image; and the bottom layer generates a bottom layer image. The intermediate layer also operates simultaneously as an intermediate X-ray energy filter.

Abstract: The present invention relates to a C-arm head cover. The C-arm head cover according to the present invention comprises: a fixed unit which includes a fixing means, and is capable of being fixed to a predetermined object; a first cover which extends from the fixed unit, and has a foldable structure; and a second cover which extends from the first cover, and is bent downward, wherein when the C-arm head rotates 180 degrees from an upright position around a C-arm table for supporting a person to be processed with radiography, the foldable structure of the first cover is unfolded, and then only the first cover or both the first cover and the second cover covers the C-arm head.

Abstract: A gantry rail for a gantry computed tomography (CT) system includes a secondary side of a rotary transformer and an annular body having an annular rolling surface and an annular slip ring surface. The annular body is aligned orthogonal to a longitudinal axis of the gantry CT system. The annular rolling surface has a normal vector that extends radially outward and orthogonal to the longitudinal axis. The annular slip ring surface defines a plane orthogonal to the longitudinal axis, and includes a slot disposed in the slip ring surface. The slot is configured to engage the secondary side of the rotary transformer.

Abstract: A bearing configuration for the rotational mounting of a component provided for rotational movement includes a positionally fixed sleeve on which the component is rotatably mounted by one or more bearing elements or a plain-bearing. A pressure element is provided in the interior of the sleeve for readily expanding the sleeve and placing the sleeve in frictional contact with the component which is spaced apart from the sleeve by an air gap. A medical examination device having the bearing configuration is also provided.

Abstract: A medical imaging system comprises at least an image plate, X-ray device for producing an image of an object on said image plate, and a reading device for reading image information held by the image plate. In connection with the image plate there is a tag containing information for controlling the arrangement in such a manner that when the arrangement has read the information in the tag the arrangement is adapted to perform at least one operation controlled by the information read.

Abstract: A radiation image capturing system includes the following. An input unit is used to input that a captured radiation image is a capturing failure. A storage stores irradiating amount information regarding capturing set as the capturing failure when there is input that the captured radiation image is the capturing failure. An output unit outputs the irradiating amount information regarding the capturing set as the capturing failure stored in the storage.

Abstract: To reduce, in an image obtained in cardiac-gated imaging by a radiation tomography apparatus, boundary artifacts while suppressing degradation of spatial resolution. There is provided a radiation tomography apparatus comprising: control means for controlling a data collection system to acquire first data by scanning a first scan region centering on a first position in a body axis direction of a subject in synchronization with heartbeats, and second data by scanning a second scan region adjacent to the first scan region and centering on a second position in the body axis direction in synchronization with the heartbeats; and reconstructing means for reconstructing an image of a slice between the first position and second position using the first and second data, the reconstructing means determining a view-angle-range-based use rate for the first data and a view-angle-range-based use rate for the second data according to a position of the slice relative to the first and second positions.

Abstract: An x-ray apparatus comprises an x-ray source and an x-ray detector and there between a member that is configured to perturb x-ray photons incident thereon. The apparatus further comprises a first database of values representative of material type and material thicknesses, a second database of scatter radiation values indicative of material type and/or material thicknesses, a processor configured to perform an algorithm which compares the output signal of the x-ray detector with values in the first database and to output a most likely material and/or thickness from the first database; selects from the second database the scatter radiation associated with the material type and/or material thickness; and removes the scatter radiation from an output signal of the x-ray detector.

Abstract: In a method and apparatus for respiration-correlated computed tomography imaging, a patient-specific breathing curve is recorded and is evaluated online, and a CT scan, providing a number of raw images of a region of interest of a patient, is controlled synchronously with the patient-specific breathing curve according to the results of the online evaluation.

Abstract: An X-ray diagnostic apparatus according to an embodiment includes an X-ray tube, a detector, an acquisition circuitry, and imaging control circuitry. The X-ray tube emits X-rays to a subject. The detector outputs a detection signal in response to incidence of the X-rays transmitted through the subject. The acquisition circuitry creates photon count data indicating the number of photons of the X-rays incident on the detector, for each of a plurality of energy bins for identifying a plurality of target substances, based on the detection signal output by the detector.

Abstract: The present invention is directed to a method for enabling volumetric image reconstruction from unknown projection geometry of tomographic imaging systems, including CT, cone-beam CT (CBCT), and tomosynthesis systems. The invention enables image reconstruction in cases where it was not previously possible (e.g., custom-designed trajectories on robotic C-arms, or systems using uncalibrated geometries), and more broadly offers improved image quality (e.g., improved spatial resolution and reduced streak artifact) and robustness to patient motion (e.g., inherent compensation for rigid motion) in a manner that does not alter the patient setup or imaging workflow. The method provides a means for accurately estimating the complete geometric description of each projection acquired during a scan by simulating various poses of the x-ray source and detector to determine their unique, scan-specific positions relative to the patient, which is often unknown or inexactly known (e.g.

Abstract: A device, system, and method for volumetric ultrasound imaging is described. The device and system include an array of transducer elements grouped in triangular planar facets and substantially configured in the shape of a hemisphere to form a cup-shaped volumetric imaging region within the cavity of the hemisphere, A plurality of data-acquisition assemblies are connected to the transducers, which are configured to collect ultrasound signals received from the transducers and transmit image data to a network of processors that are configured to construct a volumetric image of an object within the imaging region based on the image data received from the data-acquisition assemblies.

Abstract: A system for processing an image data volume acquired with a medical imaging acquisition device 100 from a body comprising a needle is provided. It has been realized it is advantageous to display 150 a plane intersecting the image data volume showing the needle to a user of the system. This allows better positioning of the needle. The system comprises a needle-plane determination 110 module for determining a plane being parallel to and intersecting a representation in the image data volume of the needle and being parallel to a viewing direction. The needle plane determination module may make use of pixel processing and/or spectral transformation, in particular the Gabor transform.

Abstract: The present invention discloses an ophthalmic device with a retinal vascularization monitoring system and associated methods. In some embodiments, the ophthalmic device can be a contact lens with a retinal vascularization monitoring system that can be used to monitor temporal changes of a pulsating vessel forming part of the retinal vascularization. Further, the retinal vascularization monitoring system may include elements for delivering a signal, including an audible and/or visual message, to the user that can be useful for identifying abnormal conditions such as a cardiac failure without delay. The audible and/or visual messages can be signals communicated to the user using one or both of the ophthalmic device and a wireless device in communication with the ophthalmic device.

Abstract: An ultrasound system includes a display, an actuator, a user interface, and a processing circuit. The actuator is configured to control at least one of a position or an orientation of the display. The user interface is configured to receive a user input. The processing circuit is configured to cause the actuator to adjust the at least one of the position or orientation of the display based on the user input.

Abstract: A transducer probe is presented. The transducer probe includes a housing having a probe surface at a first end. Further, the transducer probe includes an acoustic array having an array aperture, wherein the acoustic array is disposed adjacent the probe surface of the housing, and wherein the acoustic array is configured to transmit ultrasound signals towards a target volume. Also, the transducer probe includes a flex interconnect configured to electrically couple the acoustic array to at least one electronic unit. Furthermore, the transducer probe includes an electrical standoff disposed between the acoustic array and the flex interconnect to reduce a footprint of the transducer probe to a first value, wherein the first value is proximate to a lateral size of the array aperture.

Abstract: According to aspects of the present disclosure, a system for visualizing a target area may include an elongate shaft. The elongate shaft may include a distal portion, a lumen that extends longitudinally through the distal portion, and an opening at the distal end of the distal portion. The opening may be in communication with the lumen. The system also may include a visualization assembly housed within the distal portion of the elongate shaft. The visualization assembly may include a transducer array having a field of view in which the transducer array transceives sound waves. The field of view of the transducer array may cover at least part of the distal portion of the elongate shaft and the target area to facilitate visualization of the part of the distal portion of the elongate shaft and the target area.