Abstract: The present disclosure discloses a method, device, apparatus, and storage medium for sleep monitoring. The method includes: monitoring physical sign information of a user in response to receiving a monitoring command; determining sleep quality information of the user according to the physical sign information of the user, wherein the physical sign information comprises at least breathing information.

Abstract: A wound or incision closure apparatus comprises a first and second panel. Each of the panels comprises a bottom adhesive layer, a medial substrate layer, and an upper load distribution layer which connect the two panels. A sensory or therapeutic element is disposed adjacent, within, or between two or more of the layers. The sensory or therapeutic element can provide sensing and/or therapy for the incision and/or monitor the incision so that the therapy can be customized and updated.

Abstract: The present disclosure provides methods of identifying a loosened joint implant by analyzing acoustic emissions from the implant. The present disclosure further provides apparatuses for measuring acoustic data and analyzing acoustic emissions from a joint implant.

Abstract: An aspect of the present disclosure generally relates to a wearable physiological device comprising: (a) a first housing assembly comprising: a first housing body; a first circuit assembly removably coupled to the first housing body; a user interface assembly communicatively connected to the first circuit assembly; and (b) a second housing assembly removably coupled to the first housing assembly, the second housing assembly comprising: a second housing body; a second circuit assembly removably coupled to the second housing body, the second circuit assembly comprising a set of physiological sensors; a removable battery disposed on the second circuit assembly; and a flexible connector communicatively connecting the second circuit assembly to the first circuit assembly, wherein the set of physiological sensors are configured for measuring physiological signals from a user wearing the wearable physiological device, the physiological signals communicable to the user interface assembly.

Abstract: A body movement feedback system including at least one position sensor operative to sense at least relative positions of mutually articulated body portions of a user in real time and providing sensor outputs, a mutually articulated body portion position processor, receiving the sensor outputs of the at least one position sensor and providing processor outputs representing relative movements of the mutually articulated body portions and a real time user feedback generator operative to generate predetermined feedback to the user in response to predetermined selected movements of the mutually articulated body portions.

Abstract: A sensor arrangement is for mounting along an elongate device. The sensor arrangement is for positioning along a line sensor arrangements and has terminal blocks at a proximal and distal side, each for connection to one or more wires. A connection circuit controls the coupling of sensor signals to the proximal wires and the coupling of the distal wires to the proximal wires. In this way, a bypass function is implemented through the connection circuit, which avoids the need for physical wires of a distal sensor arrangement to bypass the sensor arrangement itself.

Abstract: A system to monitor a biological subject includes an implantable device to be inserted inside the subject, the device including an implanted transceiver, an accelerometer, one or more sensors, a battery to power the transceiver, accelerometer and one or more sensors, and a wireless charger to charge the battery; and a wireless charging system outside of the subject to charge the battery in the implantable device. Drug(s) may be carried in reservoir(s) and dispensed based on sensor output.

Abstract: Hand held weight units of light weight manufactured as a solid unit, a shell unit with core insert combinations or modular units with interlocking ends. Shell units with core inserts and modular interlocking units allow for the changing of held weight by inserting or removing inserts or by locking or unlocking of modular weight unit sets creating varying held weight. The weight units are primarily used with upper body exercises during aerobic exercises in the home, outdoors, or in a gym setting such as walking or running to vary the intensity of workout during use.

Abstract: A heart rate detection method, a heart rate detection apparatus and an electronic device are provided. The heart rate detection method includes: acquiring a heart rate detection light signal, where the heart rate detection light signal is a light signal that is emitted upward from a ring light-emitting region of a display screen and enters a capturing region after being reflected by a finger of a user, and an intermediate region surrounded by the ring light-emitting region is a non-light-emitting region (601); and determining a heart rate of the user according to the heart rate detection light signal (602). According to the method, the accuracy of heart rate detection could be effectively improved.

Abstract: A method for clip selection includes receiving through an interface to a medical imaging device, a selection of a diagnostic procedure and a target portion of a mammalian body. Thereafter, the device acquires video clip imagery of the target portion and stores the video clip imagery in an image store. Each video clip of the video clip imagery is then image processed to determine a view and a quality of each video clip and a rule is retrieved from a rules base corresponding to the selected diagnostic procedure and target portion. In this regard, the rule specifies a requisite view and quality of the video clip imagery. Finally, the retrieved rule is applied to the video clip imagery as a filter to produce a subset of video clip imagery satisfying the specified requisite view and quality and the subset of video clip imagery is stored in the image store.

Abstract: A method for clip selection includes receiving through an interface to a medical imaging device, a selection of a diagnostic procedure and a target portion of a mammalian body. Thereafter, the device acquires video clip imagery of the target portion and stores the video clip imagery in an image store. Each video clip of the video clip imagery is then image processed to determine a view and a quality of each video clip and a rule is retrieved from a rules base corresponding to the selected diagnostic procedure and target portion. In this regard, the rule specifies a requisite view and quality of the video clip imagery. Finally, the retrieved rule is applied to the video clip imagery as a filter to produce a subset of video clip imagery satisfying the specified requisite view and quality and the subset of video clip imagery is stored in the image store.

Abstract: A system for automated detection and type classification of central venous catheters. The system includes an electronic processor that is configured to, based on an image, generate a segmentation of a potential central venous catheter using a segmentation method and extract, from the segmentation, one or more image features associated with the potential central venous catheter. The electronic processor is also configured to, based on the one or more image features, determine, using a first classifier, whether the image includes a central venous catheters and determine, using a second classifier, a type of central venous catheter included in the image.

Abstract: A method and system for generating pulse oximetry predictive scores for predicting adverse outcomes in preterm infants.

Abstract: A new computational approach may provide improved detection of disease conditions and comorbidities, such as PTSD, Parkinson's, Alzheimer's, depression, etc. For example, in an embodiment, a computer-implemented method for detecting a disease condition may comprise receiving a plurality of data streams, each data stream representing a measurement of a brain activity comprising physical and chemical phenomena and performing pattern analysis on the plurality of data streams to detect at least one fundamental code unit of a brain code corresponding to a disease condition based on a combination of the plurality of data streams.

Abstract: A method of modeling a cyclic anatomical motion comprises receiving a pose dataset for an identified point on an interventional instrument retained within and in compliant movement with a cyclically moving patient anatomy for a plurality of time parameters. The method also includes determining a set of pose differentials for the identified point with respect to a reference point at each of the plurality of time parameters and identifying a periodic signal for the cyclic anatomical motion from the set of pose differentials.

Abstract: A computer-implemented method and system for determining an arousal state of a user, the method comprising: obtaining input data relating to a response of the user to a communication signal, wherein the input data relates to one or more of: a direct response of the user, a physiological response of the user, the physiological response comprising at least one measured physiological value, and determining the arousal state of the user based on the input data, and one or more of: contextual data, an initial arousal state of the user, and user profiles. A computer-implemented method and system for determining a calibration communication signal for arousal state modulation. A computer-implemented method and system for monitoring a user's arousal state.

Abstract: The present inventive concept relates to a radiography apparatus and a radiography method using the same and, more particularly, to a radiography apparatus for capturing an image of an object by using radiation, and a radiography method using the same. The radiography apparatus according to an embodiment of the present inventive concept includes: a radiation emitting unit for emitting radiation to an object; a driving unit for moving the radiation emitting unit; a radiation detection unit for detecting radiation emitted from each of a plurality of imaging positions provided at each of imaging angle with respect to the object, so as to acquire a plurality of radiation images; and a plurality of radiation sources provided in the radiation emitting unit, such that, according to the movement of the radiation emitting unit, at least one thereof is arranged at one imaging position and at least one thereof is arranged at a position spaced apart from each imaging position.

Abstract: A material decomposition apparatus for performing decomposition of a material in an object. The apparatus includes a data storage section for storing correction data preliminarily generated by decomposing one of three or more materials into the other two materials, a data input section to which radiation data of the object is inputted, the radiation data being divided into a plurality of energy levels, and a decomposition processing section for repeatedly performing two-material decomposition for decomposition of the other two materials of the three or more materials using the radiation data at different energy levels and the correction data to perform decomposition of the inside of the object into the three or more materials.

Abstract: An imaging table for a mammography apparatus is formed by a planar body and is to be supported in a cantilever state on a body of the mammography apparatus. At least an X-ray irradiation surface in the planar body has at least one of the following configurations (1) and (2): (1) the X-ray irradiation surface is formed by a carbon fiber composite material including a unidirectional carbon fiber composite material containing carbon fibers and a matrix resin, the carbon fibers being aligned in one direction; and (2) the X-ray irradiation surface is formed by a skin material and a resin sheet, the skin material including a carbon fiber composite material containing continuous fibers and a matrix resin, the resin sheet being disposed on an inner layer side from the skin material.

Abstract: A holding device for use with a patient during an X-ray procedure includes an elongated arm having a proximal end and a distal end, a handle at the proximal end, and a retainer mounted on the distal end of the elongated arm for retaining something that is to be used adjacent to the patient during the X-ray procedure. An X-ray shield may be mounted on the arm between the retainer and the handle. There may be hinged joints between the retainer and the handle.

Abstract: The subject matter of the invention is an active pixel dental radiological image sensor, with integrated X-ray occurrence detection, which uses the pixels of the matrix to detect the start of an X-ray flash, by detecting the current produced by all the photodiodes in the matrix. A switching circuit MUX1 thus allows, in a first phase of detecting the start of an X-ray flash, a common connection node NC to be connected that corresponds to the drain of a photodiode initialisation transistor M1 at the input of a current-voltage conversion detection circuit DTX1, which provides as output a signal for detecting the start of an X-ray flash when the current produced by all the photodiodes of the matrix exceeds a predetermined threshold. The switching circuit MUX1 is then controlled to connect the common connection node NC of the pixels to a photodiode re-initialisation voltage source, VRS.

Abstract: Disclosed herein is a detector, comprising: a radiation absorption layer comprising an electric contact; a filter electrically connected to the electric contact and configured to attenuate signals from the electric contact below a first cutoff frequency; an integrator electrically connected to the filter and configured to integrate signals from the filter over a period of time.

Abstract: A hydraulic stabilizer system for a portable medical imaging system. The system includes at least two hydraulic cylinders each having a shaft extending through a first wall of the respective cylinder, wherein each shaft is moveable relative to the respective cylinder. First and second ends of each shaft include a spring support element and a foot for contacting associated uneven floor portions. A retraction spring is located between the spring support element and an inner surface of the first wall of each cylinder. The system also includes a hydraulic circuit for supplying hydraulic fluid to the cylinders, wherein the cylinders are in fluid communication with each other. Hydraulic fluid is pumped into the cylinders to cause downward movement of the shafts until the feet contact the associated uneven floor portions such that the pressure exerted by the feet against the associated uneven floor portions is equalized.

Abstract: An image generation unit generates a contrast-reduced image in which contrast in a region other than a soft part is reduced in a radiographic image indicating a subject including the soft part and a bone part. A body thickness derivation unit derives the body thickness of the subject based on the contrast-reduced image.

Abstract: The present disclosure relates to systems and methods for extracting a vessel of a lower limb. The methods may include obtaining an original image including a plurality of image data, in some embodiments, each of the plurality of image data may correspond to a pixel (or a voxel), the plurality of image data may include a target data set, the target data set may represent a first structure; extracting a first reference data set from the plurality of image data, in some embodiments, the first reference data set may include the target data set and a second reference data set, the second reference data set may include data of a second structure; extracting the second reference data set from the plurality of image data; and obtaining the target data set based on the first reference data set and the second reference data set.

Abstract: A method for performing a multi-bed scan includes receiving scanner-specific information including scanner sensitivity and receiving patient-specific information including attenuation. An attenuation-weighted sensitivity profile is calculated based on the scanner sensitivity and the attenuation. Individual bed scan times for each bed in a multi-bed study is calculated based on the attenuation-weighted sensitivity profile and the multi-bed scan is performed using the calculated individual bed scan times.

Abstract: Embodiments provide a computer-implemented method of deriving a periodic motion signal from imaging data for continuous bed motion acquisition, including: acquiring a time series of three dimensional image volumes; estimating a first motion signal through a measurement of distribution of each three dimensional image volume; dividing the time-series of three dimensional image volumes into a plurality of axial sections overlapping each other by a predetermined amount; performing a spectral analysis on each axial section to locate a plurality of three dimensional image volumes which are subject to a periodic motion; performing a phase optimization on each axial section to obtain a three dimensional mask; estimating a second motion signal through the three dimensional mask and the time-series of three dimensional image volumes; and estimating a final motion signal based on the first motion signal and the second motion signal.

Abstract: For calibration of internal dose in nuclear imaging, the dose model used for estimating internal dose in a patient is calibrated. One or more values of the dose model (e.g., a physics simulation, dose kernels, or a transport model) are set based on measured dose. The dose may be measured relative to specific tissues and/or isotopes, providing for tracer and tissue specific calibration. For example, dose from the tracer to be injected into the patient is estimated from emissions as well as measured by a dosimeter in a tissue mimicking tissue mimicking object. These doses are used to calibrate the dose model, which calibrated dose model is then used to determine internal dose for the patient.

Abstract: A medical information processing apparatus according to an embodiment includes a processor. The processor acquires an examination room image obtained by capturing the inside of an examination room in which a medical imaging apparatus including a movement mechanism is installed. The processor specifies identification information of a target object depicted in the examination room image using the examination room image. The processor specifies three-dimensional shape data corresponding to the identification information of the target object using the identification information of the target object. The processor specifies the position of the three-dimensional shape data in a virtual three-dimensional space using depth information indicating distance from an examination-room image capturing device to the target object depicted in the examination room image.

Abstract: A mobile radiography apparatus has radio-opaque markers, each marker coupled to a portion of the mobile radiography apparatus, wherein each of the markers is in a radiation path that extends from an x-ray source or x-ray sources. A detector is mechanically uncoupled from the x-ray source or x-ray sources for positioning behind a patient. Processing logic is configured to calculate a detector position with relation to the x-ray source or x-ray sources according to identified marker positions in acquired projection images, and to reconstruct a volume image according to the acquired projection images.

Abstract: A system for visualization and quantification of ultrasound imaging data may include a display unit, and a processor communicatively coupled to the display unit and to an ultrasound imaging apparatus for generating an image from ultrasound data representative of a bodily structure and fluid flowing within the bodily structure. The processor may be configured to generate vector field data corresponding to the fluid flow, wherein the vector field data comprises axial and lateral velocity components of the fluid, extract spatiotemporal information from the vector field data at one or more user-selected points within the image, and cause the display unit to concurrently display the spatiotemporal information at the one or more user-selected points with the image including a graphical representation of the vector field data overlaid on the image, wherein the spatiotemporal information includes at least one of a magnitude and an angle of the fluid flow.

Abstract: An ultrasound device comprises an ultrasound head at a distal end of the shaft. Electrical circuitry for driving the ultrasound head includes circuit components mounted on a flexible carrier so that they do not require a fully rigid part of the device. The transducer aperture can then be made as large as possible for a given size of rigid substrate. A reduced rigid substrate length improves maneuverability of the device. The flexible component carrier is bendable in all planes parallel to the length direction so that it forms an end section of the shaft, and which can follow any desired path.

Abstract: An intraluminal imaging system is provided. The intraluminal imaging system includes a patient interface module (PIM) in communication with an intraluminal device comprising an ultrasound imaging component and positioned within a body lumen of a patient, a wireless router via an signal link, and a computing device in wireless communication with the wireless router, wherein the PIM comprises a processing component configured to receive an ultrasound echo signal from the ultrasound imaging component; and determine image data based on at least the ultrasound echo signal; and a power and communication component configured to receive power from the signal link; and transmit, to the computing device via the signal link and the wireless router, the image data.

Abstract: An intraluminal device is provided. In on embodiment, an intraluminal device includes a flexible elongate member including a proximal portion and a distal portion; an imaging component coupled to the distal portion of the flexible elongate member; and a plurality of radiopaque markers positioned at the distal portion of the flexible elongate member, wherein the plurality of radiopaque markers are separated from each other, wherein the plurality of radiopaque markers are arranged on the flexible elongate member at two different orientations with respect to the imaging component, and wherein at least a first radiopaque marker of the plurality of radiopaque markers includes an arc-shaped portion and an extended portion extending from the arc-shaped portion.

Abstract: An ultrasonic diagnostic imaging system (10) and method are described for conduct of an ultrasonic image-guided invasive procedure. An ultrasound system having a touchscreen display (30) located at the distal end of an articulating display arm (32) is positioned on one side of a patient table (110). The clinician performing the procedure is located on the other side of the patient table. The touchscreen display is extended over the patient table by articulation of the articulating arm. The position of the touchscreen display is adjusted by the clinician for optimal viewing in front of the clinician and above the patient table.

Abstract: An ultrasound imaging system includes an interventional medical device having a first tracking element that generates tip location data based on an EM locator field. An ultrasound probe has an ultrasound transducer mechanism and a second tracking element. The ultrasound transducer mechanism has an active ultrasound transducer array that generates two-dimensional ultrasound slice data at any of a plurality of discrete imaging locations within a three-dimensional imaging volume. The second tracking element generates probe location data based on the EM locator field. A processor circuit is configured to execute program instructions to generate an ultrasound image for display, and is configured to generate a positioning signal based on the tip location data and the probe location data to dynamically position the active ultrasound transducer array so that the two-dimensional ultrasound slice data includes the distal tip of the interventional medical device.

Abstract: The present invention provides a backing material having an excellent attenuation effect of acoustic wave vibration, a method of producing the same, and an acoustic wave probe provided with the backing material. The backing material includes a resin and a magnetized particle, in which the magnetized particle has a magnetic flux density of 1,000 to 15,000 gauss.

Abstract: The present disclosure describes ultrasound systems and methods configured to determine the elasticity of a target tissue. Systems can include an ultrasound transducer configured to acquire echoes responsive to ultrasound pulses transmitted toward the tissue, which may include a region of increased stiffness. Systems can also include a beamformer configured to control the transducer to transmit a push pulse into the tissue, thereby generating a shear wave in the region of increased stiffness. The beamformer can be configured to control the transducer to emit tracking pulses adjacent to the push pulse. Systems can further include a processor configured to determine a displacement amplitude of the shear wave and based on the amplitude, generate a qualitative tissue elasticity map of the tissue. The processor can combine the qualitative map with a quantitative map of the same tissue, and based on the combination, determine a boundary of the region of increased stiffness.

Abstract: Various methods and systems are provided for generating a set of preset display parameters. In one example, a first set of selectable images are displayed. A selection of a first image from the first set of selectable images may affect display of a second set of selectable images. Selection of images from the rounds may be saved to the set of preset display parameters.

Abstract: Various methods and systems are provided for generating a context awareness graph for a medical scan image. In one example, the context awareness graph includes relative size and relative position annotations with regard to one or more internal anatomical features in the scan image to enable a user to determine a current scan plane and further, to guide the user to a target scan plane.

Abstract: Apparatuses, systems, and techniques are provided for modular ultrasonic transducers and frame. An ultrasonic transducer array may include a modular ultrasonic transducer array frame. The modular ultrasonic transducer array frame may include mechanisms for the attachment of ultrasonic transducer modules to the ultrasonic transducer array frame. The ultrasonic transducer array may include ultrasonic transducer modules which may include arrays of ultrasonic transducer elements within the ultrasonic transducer modules. Two of the ultrasonic transducer modules may include arrays of ultrasonic transducer elements where the ultrasonic transducer elements are different between the two ultrasonic transducer modules.

Abstract: A transdermal oxygen patch measures an oxygen concentration based on transcutaneous oxygen diffusing through an epidermal surface of a patient. Transcutaneous oxygen differs from hemoglobin-bound oxygen often measured in a patient blood flow. The patch employs an indicator responsive to an oxygen presence for emitting light having an intensity and lifetime (duration) based on the oxygen presence. An optical receptor is in communication with logic for receiving the intensity of emitted light and computing the oxygen concentration based on the received intensity and lifetime (duration). A wireless transmitter conveys the results to a base station or monitoring counterpart for untethered patient monitoring. Low power demands and circuit footprint are amenable to a wearable device such as a patch for continuous use.

Abstract: A telescoping assembly such as an endobronchial ultrasound needle (EBUS) assembly includes a motor coupled to a biopsy needle within a telescoping housing to rotate (such as to oscillate) the needle during tissue harvest to improve harvesting.

Abstract: A mounting adapter has a proximal end for interfacing with a surgical stabilizer arm and a distal end for interfacing with a tissue manipulator tool. The adapter includes a receiver body defining a bore having an opening at the distal end for receiving the shaft of a manipulator tool. The receiver body has a detent projecting radially into the bore. A ball stem projects at the proximal end and is configured for insertion into a collet of the stabilizer arm. The detent is radially displaceable between 1) a radially outward position when the adapter is in an unlocked state in which the shaft of the manipulator tool is slidable into or out of the bore and 2) a radially inward position when the adapter is in a locked state in which the detent captures the shaft of the manipulator tool.

Abstract: A cardiac closure device, apparatus and delivery tool are herein provided, wherein the apparatus includes an implantable cardiac closure device having a stretched state and a resting state, the closure device being configured for facilitating closure of a hole made through tissue of a myocardial wall of a patient; and a delivery tool comprising: a closure-device holder, at a distal portion of the delivery tool, being configured to hold the closure device, the closure-device holder being moveable proximally and distally along a longitudinal axis of the delivery tool; and one or more closure-device-shape-adjusting elements coupled to the closure-device holder, the one or more closure-device-shape-adjusting elements each being shaped so as to define a coupling for removably coupling the closure device to the one or more closure-device-shape-adjusting elements, the one or more closure-device-shape-adjusting elements being configured to adjust a shape of the closure device by being moveable radially inwardly towar

Abstract: A method for assessing a joint includes inserting a joint distraction lever into a space between a first bone and a second bone of the joint, distracting the joint with the joint distraction lever, determining, using a measurement device of the joint distraction lever, a distraction force applied by the joint distraction lever as the joint distraction lever is used to distract the joint, determining whether the distraction force matches a predetermined amount of the distraction force, and in response to determining that the distraction force matches the predetermined amount of the distraction force, capturing first poses of the first bone and the second bone.

Abstract: A suture anchor comprising a footing with a base defining a first, a second, a third, and a fourth base suture passage, a first and a second primary suture passage aligned with a primary level and fluidly connected to the first and second base suture passage for a first suture, a suture channel aligned with a secondary level spaced further from the base than the primary level, and fluidly connected to the third and fourth base suture passages a second suture, and a suture course for the first suture along a tertiary level defined by a top that is spaced further from the base than the secondary level.

Abstract: An anchoring system can use an implant delivery device to deploy an implant into a pre-drilled bore, to secure one or more sutures between a threaded outer surface of an implant body and a wall of the bore. The implant delivery device can controllably rotate the implant about its longitudinal axis. The implant can further include a distal member positioned distal to the implant body and freely rotatable about the longitudinal axis. The implant delivery device can include a finger extending distally from a distal end of an inner shaft. The implant delivery device can controllably translate a wire between a distally extended position, at which the wire can form a closed loop with the finger and a distal end of the inner shaft, and a proximally retracted position, at which the wire can be at least partially retracted into the distal end of the inner shaft.

Abstract: A suture device may include a suture translation assembly configured to be axially translatable within a lumen of a delivery system and a distal assembly configured to be securable to the distal end of the delivery system. The suture translation assembly and the distal assembly may cooperate to enable a user to pass a needle back and forth between the two in order to endoscopically suture a defect.

Abstract: A device for closing an opening in a body lumen, the device having a first elongate member with a first lumen, a second elongate member distal the first elongate member, and a needle assembly slidably cooperating with the first elongate member to position a plurality of sutures within the lumen of the first elongate member. The needle assembly includes a needle base and a plurality of needle portions extending from the needle base. Slidable movement of the needle assembly in relation to the first elongate member locates the plurality of sutures selectively mounted to the needle assembly within the first lumen.