Abstract: A mobile terminal apparatus capable of reducing inconvenience, a program, and a biological information measurement system are provided. A mobile terminal apparatus includes a gyro sensor configured to detect a motion factor and a controller configured to perform measurement operation of biological information of a user on the basis of the motion factor detected due to a movement of the user. The controller starts or stops the measurement processing on the basis of the motion factor.

Abstract: A non-invasive device for holding one or more respiratory sensors includes a housing anatomically shaped to be attached to a subject's face in proximity to the respiratory orifices, and including one or more flow directing elements for directing at least a portion of the respiratory flow to one or more locations in the housing configured to hold at least one sensor.

Abstract: Devices, systems, and methods for determining vein geometric and compliance profiles for venous stenting. In one device embodiment, the device comprises an elongated body configured to fit within a mammalian luminal organ, a balloon coupled to the elongated body capable of and configured for inflation and deflation within the mammalian luminal organ, at least two excitation electrodes positioned along the elongated body within the balloon, and a plurality of at least three detection electrodes positioned in between at least two of the at least two excitation electrodes, wherein a first pair of two adjacent detection electrodes of the at least three detection electrodes can detect an electric field generated by the at least two excitation electrodes and obtain a first conductance measurement within the balloon, and a second pair of two adjacent detection electrodes can detect the electric field and obtain a second conductance measurement within the balloon.

Abstract: A method and wireless sensor device for determining step count is disclosed. In one aspect, a method includes receiving sensor data. The method includes detecting if there is activity of the body based on the sensor data. If there is activity, the method also includes classifying the activity and determining step count based on classification of the activity.

Abstract: In an embodiment, a wearable device (12) is disclosed that automates the detection and determination of a type of activity, and both measures physiological and behavioral parameters and computes information corresponding to measured physiological parameters based on the determined type of activity. An embodiment of the wearable device provides these features by wirelessly receiving a signal with information coded therein that enables the wearable device to automatically detect and identify the type of activity in which a person (82) is engaged. The determination of the type of activity enables a more accurate computation of information that is specific to the activity in which the person is engaged, the computation of information based on the measured physiological and behavioral parameter.

Abstract: Markerless tracking systems and methods for markerless tracking of subjects. In one embodiment, the markerless tracking system includes an active 3D infrared camera, a memory, and an electronic processor. The electronic processor is configured to extract body motion data for a subject's body from depth data captured by the active 3D infrared camera. The electronic processor is also configured to detect movements of the subject's body using the body motion data. The electronic processor is further configured to determine attributes for the movements of the subject's body using the body motion data. The electronic processor is also configured to assign a rating by comparing the determined attributes with a plurality of benchmarks included in a pre-stored movement profile in the memory. The electronic processor is further configured to create a session record for the subject. The session record includes the body motion data, the determined attributes, and the assigned rating.

Abstract: A method of executing a hearing test includes sending an audio signal to a noise cancelling audio device worn by a user, outputting instructions associated with the audio signal to a portable computing device having a display screen viewed by the user, receiving an input associated with audio signal via the display screen of the portable computing device, generating an audiogram based at least in part on the input, and outputting the audiogram to the portable computing device for display on the display screen to the user.

Abstract: A microstructured electrode array comprising a base (12) with a plurality of groups of probes (14) formed thereon, each group (13) of probes having a conductive layer formed thereon so that the group (13) forms a single electrode, wherein the electrodes are electrically isolated from each other.

Abstract: The present invention is directed to devices and methods for detecting one or more markers in a sample. In particular, such devices integrate a plurality of hollow needles configured to extract or obtain a fluid sample from a subject, as well as transducers to detect a marker of interest (e.g., an electrolyte). In some embodiments, the needles are provided as a disposable cartridge.

Abstract: A medical drain sensor is provided located in a region of a drain tube which has turbulent or re-circulatory exudate flow. Means are provided in some embodiments to promote or enhance such flow.

Abstract: Embodiments of the present systems and methods may detect cognitive decline using changes in activities of daily living. For example, in an embodiment, a computer-implemented method for determining effects of cognitive loading on a person may comprise receiving data from at least one physical movement sensor attached to a person, the data recorded while the person is repeatedly performing a physical task and while the person is under cognitive loading during at least some of the performances of the task, determining physical movements of the person in response to the cognitive loading from the received data for each of the performances of the task, and determining an effect of cognitive loading based on the physical movements of the person while performing the physical task without cognitive loading and while performing the physical task with cognitive loading.

Abstract: An apparatus including a nipple chamber having opposing first and second chamber ends, the chamber configured to receive a nipple of a mammary gland though the first chamber end and dimensioned to hold the nipple-end of a received nipple proximal to the opposing second chamber end, the second chamber end being substantially closed with one or more apertures therein to allow milk from the received nipple to flow out of the second chamber end and produce turbulence in the milk flow; and a microphone located proximal to the nipple chamber and configured to receive an acoustic signal produced by the turbulent milk flow in the nipple chamber.

Abstract: An information processing device includes: a processor configured to: acquire time series data relating to at least one of acceleration, amounts of activity of a subject whose sleep is to be evaluated, and body positions of the subject, the time series data being measured by a sensor device that the subject wears; obtain a result of evaluation by analyzing a state of the subject that relates to sleep in each of three sections which are obtained by dividing an evaluation period from a getting-into-bed time point or a first onset-of-sleep time point after getting into bed that is specified by the time-series data until a getting-out-of-bed time point or a last waking time point before getting out of bed; and output the result of evaluation so as to identify that the result corresponds to any one of the three sections.

Abstract: A fluid replacement method including: determining the amount of urine expelled by a patient; infusing via a pump fluid from a first fluid source into a patient; determining an amount of fluid infused into the patient from the first fluid source; adjusting the operating of the pump based on the determined amount of urine expelled and the amount of fluid infused into the patient; setting a desired fluid balance for the patient; setting an amount of at least one additional fluid delivered to the patient, wherein the at least one additional fluid is not pumped into the patient; calculating an actual fluid balance based on the determined urine output, the determined amount of fluid infused into the patient from the first fluid source, and the set amount of said at least one additional fluid delivered to the patient; and automatically controlling the pump based on the actual fluid balance and the set desired fluid balance so the actual fluid balance conforms to the desired fluid balance.

Abstract: A biological sensor includes: a first sheet that has flexibility and/or stretchability; and a second sheet that has flexibility and/or stretchability. The second sheet has a first surface facing the first sheet, and a second surface opposite to the first surface. The second surface has a plurality of projections that are configured to be brought into contact with a living body to obtain information on the living body. In the second surface, at least part of each of the plurality of projections has conductivity. In the first surface, a portion surrounding each of the plurality of projections is bonded to the first sheet.

Abstract: A method for performing actions by a wearable device is provided. The method includes detecting at least one signal indicating a movement of a muscle of the wrist, via an array of biometric sensors exposed through an inner peripheral surface of a substantially circular band of the wearable device, identifying an orientation of the wearable device corresponding to the at least one signal, and providing, based at least in part on the identification, a function corresponding to the orientation of the wearable device. The method further includes detecting, by the wearable device, an absolute orientation of the wearable device using at least one of an inertial sensor and the one or more body sensors. The method further includes dynamically performing an action, by the wearable device, based on a pre-stored mapping of the at least one physiological parameter and the absolute orientation of the wearable device.

Abstract: A strap-based wearable device for measuring a physiological parameter of a user. A sensor arrangement is used to convey information about the physiological parameter of the user. The tightness of the strap arrangement is controlled automatically in response to the quality of the sensor signals.

Abstract: A catheter adapted for greater mapping resolution and location precision has a basket-shaped, high density electrode assembly for large-area mapping, and an integrated distal tip providing an array of ultra-high density microelectrodes for acute focal mapping. The basket-shaped electrode assembly 18 has a plurality of electrode-carrying spines and the distal tip has a nonmetallic, electrically insulating substrate body with indentations in which microelectrodes are positioned in a manner that the outer surface is generally flush with the outer surface of the substrate body to present a generally smooth, atraumatic distal tip profile.

Abstract: A system for monitoring a seated or supine individual includes a system base and a first hinged arm and a second hinged arm on the system base. The first hinged arm and the second hinged arm each have a range of motion from an engaged position to a free position. The system includes an alarm module positioned to recognize a positional change of the first hinged arm and/or the second hinged arm. The alarm module is configured to produce an alarm when one of first hinged arm and second hinged arm are moved from the first position, and is further configured to turn off an alarm when each of first hinged arm and second hinged arm is returned to the first position, and/or in response to instructions from a supervising individual. The alarm is suitable to alert a supervising individual, e.g., nurse, doctor, guardian, etc.

Abstract: An electric bed includes: a monitoring module (1), configured to monitor physical conditions of a user, and send monitoring data to a wireless communication module (2); and the wireless communication module (2), configured to send the monitoring data to a server. The server receives a setting signal sent by a terminal device, and determines whether to send an alarm signal based on the setting signal and the monitoring data. The electric bed has an intelligent help seeking function, and can comprehensively reflect a real condition of people in sleep by monitoring a plurality of vital signs, thereby reducing the probability of false alarm.

Abstract: An intelligent electric bed includes an electric bed, a terminal device, and a server. The electric bed includes: a monitoring module (1) for monitoring physical conditions of a user, and sending monitoring data to a wireless communication module (3); and a main control module (2) receiving a control signal from the wireless communication module (3) and adjusting a state of the electric bed based on the control signal. The wireless communication module (3) may transmit the received monitoring data to the server, receive the control signal from the server, and send the control signal to the main control module (2). The server may generate the control signal based on a setting signal sent by a terminal device and the monitoring data. The terminal device is adapted to adjust the state of the electric bed via the server and send the setting signal to the server.

Abstract: Pairing is provided between first and second wireless devices in a physiological condition management system. The first and second wireless devices are placed in proximity to initiate generation of a secret key via a random process at one of the devices and to exchange the secret key with the other device using a wireless near field communication (NFC) link. The shared secret key is then used to encrypt data for communication between the first and second wireless devices via a different secure radio frequency (RF) wireless channel.

Abstract: Techniques for heart rate estimation are disclosed. In an embodiment, synchronized photoplethysmograph (PPG) and 3-axis acceleration signals are received. Further, the PPG and acceleration signals are partitioned into windows. Furthermore, it is determined whether motion is present in a window of the acceleration signal. Moreover, Fourier transform is performed on the signals to obtain power spectra of the signals in the window when there is motion. Also, it is determined whether a peak of the acceleration signal is present in a range around first highest PPG peak. Further, it is determined whether the peak of the acceleration signal affects heart rate of the user when the peak of the acceleration signal is in the range around the highest PPG peak. The heart rate of the user in the window is then estimated using second highest PPG peak when the peak of the acceleration signal affects heart rate of the user.

Abstract: A method for eliminating motion interference includes: performing dimensionality reduction on the multi-dimensional acceleration signal to obtain a one-dimensional acceleration signal that represents motion interference; mixing the first signal and the second signal through a plurality of preset coefficients ri respectively, so as to calculate a plurality of mixed signals corresponding to the plurality of preset coefficients; calculating a correlation coefficient between each of the mixed signals and the one-dimensional acceleration signal; obtaining a preset coefficient corresponding to the maximum correlation coefficient among the correlation coefficients and a preset coefficient corresponding to the minimum correlation coefficient among the correlation coefficients; and calculating a signal with motion interference being eliminated from the measurement signal to be processed, according to the first signal, the second signal, the preset coefficient corresponding to the maximum correlation coefficient, and t

Abstract: A measurement method includes a first measurement in which a characteristic amount of a specific analyte in a biological fluid with a biosensor having a reagent surface is measured. The method also includes a second measurement in which the tilt angle or rotation angle of the reagent surface from a neutral position, or vibration applied to the reagent surface, as motion information of living activity is measured. Additionally, the method may include recording the motion information, and controlling, based on the motion information, a measurement operation of the first measurement and a recording operation of the recording.

Abstract: A vital sign detection system includes a radar device, a nonreciprocal network, a first antenna and a second antenna. An output signal from the radar device is delivered to the first antenna via the nonreciprocal network and then transmitted to a first side of a biological subject via the first antenna. A first reflection signal from the first side of the biological subject is received by the first antenna and then delivered to the second antenna via the nonreciprocal network and then transmitted to a second side of the biological subject via the second antenna. A second reflection signal from the second side of the biological subject is received by the second antenna and then delivered to the radar device via the nonreciprocal network for vital sign detection with random body movement cancellation.

Abstract: In some examples, a device includes processing circuitry configured to receive first and second signals indicative of first and second physiological parameters and determine a trendline function based on values of first and second physiological parameters. The processing circuitry is further configured to determine transformed values of the first physiological parameter based on the trendline function. The processing circuitry is configured to determine correlation coefficient values for the transformed values of the first physiological parameter and the values of the second physiological parameter. The processing circuitry is further configured to determine a limit of autoregulation of the patient based on the correlation coefficient values. The processing circuitry is configured to determine an autoregulation status based on the estimate of the limit of autoregulation and output, for display, an indication of the autoregulation status.

Abstract: In one embodiment, a system for monitoring heart activity includes a wearable monitoring device including a sensor adapted to capture arterial pulse wave sounds, and a computing device configured to receive arterial pulse wave sound data from the wearable monitoring device and estimate heart sounds from the data.

Abstract: Evaluating health of a user can include providing an equilibrium envelope for a user, wherein the equilibrium envelope includes a range for each of a plurality of vital signs, and detecting, using a processor, a current metric. The current metric corresponds to an exit condition for the equilibrium envelope determined based upon sensor data or a re-entry condition for the equilibrium envelope determined based upon the sensor data. A health status for the user can be determined, using the processor, based upon a comparison of the current metric with a historical metric for the user.

Abstract: An imaging system includes a collimator assembly, a detector assembly and a control device. The collimator assembly is configured to collimate photons emitted from an imaged subject. The collimator assembly may include a plurality of slit-plates and a plurality of slats parallel to a transverse plane of the imaging system. Each of the plurality slit-plates may include one or more slits configured to collimate the photons in a first direction. The detector assembly is configured to generate signals based on the collimated photons. The control device is configured to place the plurality of slit-plates in a plurality of locations to provide a plurality of fields of view of the imaging system.

Abstract: Disclosed are an X-ray imaging apparatus capable of acquiring highly accurate three-dimensional surface data as well as a CT image of teeth and surrounding tissues thereof of a subject without increasing the dose of X-ray and the discomfort for the subject compared to conventional CT imaging, and an X-ray imaging method using the same. The X-ray imaging apparatus includes an X-ray generator; an X-ray sensor disposed to face the X-ray generator, and configured to receive X-rays transmitted through a subject to generate an electric signal, and a subject jig configured to support the subject and to move the subject to be relatively rotated about at least two axes with respect to an X-ray propagation path, wherein a CT image and high-precision three-dimensional surface data are reconstructed and provided by using a plurality of X-ray imaging data acquired through a plurality of scan sequences.

Abstract: A detector device includes a cooling air pathway for cooling an X-ray detector. The detector device furthermore includes a detector interior space surrounding the X-ray detector. The cooling air pathway runs through at least one subregion of the detector interior space. The detector device includes a pressure limitation unit with a limitation device arranged along the cooling air pathway. The limitation device is designed, based on an incoming cooling air flow, to route a limited volume flow along the cooling air pathway at the X-ray detector.

Abstract: A medical imaging apparatus includes a cardiac lumen region identifying unit, a myocardium identifying unit, and a generating unit. The cardiac lumen region identifying unit is configured to identify a cardiac lumen region from a medical image including a heart region. The myocardium identifying unit is configured to identify a face of a myocardium region obtained by extending a face of the cardiac lumen region, identified by the cardiac lumen region identifying unit, by a certain distance toward a myocardium side. The generating unit is configured to generate a color-coded image in which the face of the myocardium region, identified by the myocardium identifying unit, is colored in colors according to signal values of the medical image corresponding to positions on the face of the myocardium region.

Abstract: Minor injuries and acute bone traumas are difficult to detect with current methods of bone imaging. The use of 18F—NaF in combination with PET/CT provides superior imaging of bone trauma, particularly for traumas are difficult to detect using known methods. The superior uptake of 18F—NaF, as compared to existing chemicals, allows for detection of areas of acute bone trauma that may not have presented any pain symptoms, and thus using other methods would avoid diagnosis.

Abstract: A nuclear medicine (NM) multi-head imaging system is provided that includes a gantry, plural detector units mounted to the gantry, and at least one processor. The at least one processor is operably coupled to at least one of the detector units, and configured to acquire, via the detector units, imaging information. The imaging information includes edge information and interior information. The edge information corresponds to a contour boundary of tissue and the interior information corresponds to an intermediate portion of the tissue. The least one processor is configured to control the detector units to acquire a proportionally larger amount of imaging information for the contour boundary than for the intermediate portion.

Abstract: Presented herein are systems and methods that facilitate automated segmentation of 3D images of subjects to distinguish between regions of heterotopic ossification (HO) normal skeleton, and soft tissue. In certain embodiments, the methods identify discrete, differentiable regions of a 3D image of subject (e.g., a CT or microCT image) that may then be either manually or automatically classified as either HO or normal skeleton.

Abstract: A lung screening assessment system is operable to receive a chest computed tomography (CT) scan that includes a plurality of cross sectional images. Nodule classification data of the chest CT scan is generated by utilizing a computer vision model that is trained on a plurality of training chest CT scans to identify a nodule in the plurality of cross sectional images and determine an assessment score. A lung screening report that includes the assessment score of the nodule classification data is generated for display on a display device associated with a user of the lung screening assessment system.

Abstract: A system includes: a movable X-ray tube scanner; a range sensor movable with the X-ray tube scanner; an X-ray detector positioned to detect X-rays from the X-ray tube passing through a standing subject between the X-ray tube and the X-ray detector; and a processor configured for automatically controlling the X-ray tube scanner to transmit X-rays to a region of interest of the patient while the subject is standing between the X-ray tube and the X-ray detector.

Abstract: Certain examples described herein relate to acoustic detection mask systems and/or methods. In certain examples, an acoustic detection mask system is provided. An example acoustic detection mask system includes a mask having a microphone located therein or thereon. The microphone is connected to a data logger that is configured to capture vibrations and/or sounds registered by the microphone. The data logger may store such information in a computer readable storage media thereof for subsequent analysis, e.g., via a computer program accessing such data after the data logger is connected to a separate computer system. The microphone may be positioned and the data analyzed so as to determine differences between oral and nasal breathing, as well as sleep-disordered breath and/or snoring. Such components may be provided as a part of a system or in any suitable combination or sub-combination. Associated methods also are described herein as a part of the technology.

Abstract: Nonlinear ultrasound imaging systems and methods are disclose. In one aspect, a nonlinear ultrasound imaging system includes a first transducer configured to transmit a first ultrasound signal along a scan line, a second transducer configured to sweep a second ultrasound signal along the scan line such that the first and second ultrasound signals intersect at a plurality of voxels, and a third transducer configured to receive echoes associated with interactions of the first and second ultrasound signals at the plurality of voxels. The nonlinear ultrasound imaging system further includes a processor configured to generate an ultrasound image based on the echoes.

Abstract: An ultrasound diagnosis apparatus according to an embodiment includes an ultrasound probe, a robot arm, and processing circuitry. The ultrasound probe is configured to transmit and receive an ultrasound wave. The robot arm is configured to hold the ultrasound probe and to move the ultrasound probe along the body surface of a subject. The processing circuitry is configured to control the moving of the ultrasound probe performed by the robot arm. The processing circuitry is configured to exercise control so that an instruction for the subject is output on the basis of instruction information related to an ultrasound diagnosis process.

Abstract: The disclosure is directed to a power management method and an ultrasound apparatus using the same. The ultrasound apparatus includes an ultrasound probe, an TRX circuit, a position sensor, and a processor. In the disclosure, power is supplied to the ultrasound apparatus, and an ultrasound scanning is performed. During the ultrasound scanning, position information of the ultrasound probe is being continuously detected by the position sensor. Whether the ultrasound probe is in a static state during the ultrasound scanning is determined. When determined that the ultrasound probe is in the static state during the ultrasound scanning, a power saving mode is entered, such that the ultrasound scanning is stopped. Within the power saving mode, the position information is continuously detected. Whether the ultrasound probe is still in the static state under the power saving mode is determined.

Abstract: An apparatus includes a disposable assembly and a reusable assembly. The disposable assembly includes a fluid input port, a fluid output port, and a tube configured to provide fluid communication between the fluid input port and the fluid output port. The reusable assembly includes a housing, a fluid management assembly that is configured to transition between an open position and a closed position, and a sensing assembly. The fluid management assembly is configured to prevent fluid from traveling past the tube to the fluid output port in the closed position. The sensing assembly is configured to sense fluid accumulating within the tube while the fluid management assembly is in the closed position. The sensing assembly is also configured to drive the fluid management assembly from the closed position to the open position when the sensing assembly detects fluid within the tube at a predetermined range.

Abstract: A single-insertion biopsy device includes a cannula having an extraction position at a distal end and a recovery opening at a proximal end. A first elongate element has a first distal end and a second elongate element has a second distal end. The first elongate element and the second elongate element are configured to move between the extraction position and the recovery opening, and to move with respect to each other to define an open configuration and a closed configuration. In the closed configuration, the first and second distal ends are mutually radially opposite such that the first elongate element and the second elongate element surround a volume. A drive unit is configured to move the first elongate element and the second elongate element between the open and closed configurations, and to move the first and second distal ends in unison from the extraction position to the recovery opening.

Abstract: Generally, systems, methods, and apparatus related to the use of a dynamic imaging modality in an image guided intervention are disclosed herein. More specifically, the use of such modalities in sealing a bodily opening, such as those that may be formed during an invasive medical procedure are disclosed herein. In some embodiments, a method includes viewing a representation of an instrument within a body of a patient, adjusting a position of the instrument based on the viewing such that a portion of the instrument is at a location within the body of the patient, and delivering a sealant via the instrument to the location within the body of the patient. The sealant is configured to seal an opening in the body part.

Abstract: The invention relates to a device for reducing the retraction of the edges (4.1) of an opened fascia (4) of a patient (1) having an open soft tissue defect, in particular having an open abdominal wall (2) or an open soft tissue defect on the back, via which a tensile force (A, B) can be applied to the edges (4.1) of the fascia (4) by a force component (A1, B1) directed away from the body of the patient (1), such that the device (11) holds the edges (4.1) of the fascia (4) under tension and spaced apart from each other and that furthermore there is an open soft tissue defect, in particular an opened abdominal wall (2), or an open soft tissue defect on the back.

Abstract: In an illustrative embodiment, a motor-driven orthopedic impacting tool for orthopedic impacting in the hips, knees, shoulders and the like may be capable of holding a surgical implement such as a broach, chisel, or other end effector, which when gently tapped in a cavity with controlled percussive impacts, can expand the size or volume of an opening of the cavity or facilitate removal of the surgical implement from the opening. A stored-energy drive mechanism may store potential energy and then release it to launch a launched mass or striker to communicate a striking force to an adapter in either a forward or reverse direction. The tool may further include a combination anvil and adapter and an energy adjustment mechanism to adjust the striking force the launched mass delivers to the adapter.

Abstract: Rib retraction devices and methods of its use and manufacture are disclosed. A retraction device may include a first frame portion and a second frame portion. The second frame portion may be attached to the first frame portion. The second frame portion may mechanically move between a first position and a second position with respect to the first frame portion. The retraction device may also include a first blade being pivotally attached to the first frame portion and comprising a flexible material. The retraction device may also include a second blade being pivotally attached to the second frame portion and comprising a flexible material.

Abstract: Disclosed is a single-use suture anchor and shaft cartridge, the cartridge being removably attached to a reusable handle. One or more sutures may be secured to the suture anchor and routed through interior cannulations of both the suture anchor and the shaft. The ends of the sutures may then be passed to the outside of the shaft either through an aperture in the shaft or into a communicating cannulation in the handle assembly. The ends of the suture then may be passed to the outside of the handle either through an opening at the proximal end of the handle or through a sidewall opening in the handle.

Abstract: A suture anchor includes a tubular anchor body made of suture material, the tubular anchor body having a partially open distal tip and a bore extending through the tubular anchor body to a proximal end of the tubular anchor body and a suture woven from the distal tip and extending through the bore and exiting through the proximal end, the suture forming a suture loop outside of the distal tip. The tubular anchor body is configured such pulling an end of the suture at the proximal end causes the tubular anchor body to collapse.