Abstract: Certain exemplary embodiments can provide a device that comprises a heart monitor. The device can further comprise GPS hardware and machine instructions. The device comprises a wireless transceiver and a battery. The battery that provides electrical energy to the wireless transceiver and a processor. The processor is constructed to receive signals from the heart monitor and determine that an emergency has occurred.

Abstract: A biological analysis device includes a blood vessel calculation unit that calculates a blood vessel index related to a blood vessel of a biological body in accordance with a blood mass integration value obtained by integrating blood mass indexes relate to a blood mass of the biological body during an integration period and a blood flow integration value obtained by integrating blood flow indexes related to a blood flow of the biological body during the integration period.

Abstract: A method for utilizing radar from wireless earpieces includes activating one or more radar sensors of the wireless earpieces, performing radar measurements of a user using the one or more radar sensors of the wireless earpieces, and analyzing the radar measurements to determine pulsatile measurements associated with the user, the analyzing performed using a processor of the wireless earpieces.

Abstract: The present disclosure describes a method and device to monitor the heart of a subject using radio signals. Availability of a portable heart monitor that can be used in a subject's home can increase patient compliance and improve diagnosis rates of cardiac conditions. A mobile heart monitor can be especially useful to those subjects who are elderly, incapacitated, or do not have easy access to a clinic, doctor's office, or hospital.

Abstract: A method for detection of interference in impedance based monitoring of a subject by using a monitor is disclosed. The method comprising, connecting the subject to the monitor using one or more leads; and before current is applied to the subject, measuring voltage on the subject via at least one of the one or more leads and if any voltage is detected then the monitor indicates a warning. An impedance based monitor is disclosed, the monitor being connectable to a subject. The monitor is configured to measure voltage on the subject, before any current is applied to the subject, and if any voltage is detected then the monitor is configured to indicate a warning.

Abstract: A therapeutic apparatus comprising a radiotherapy apparatus for treating a target zone and a magnetic resonance imaging system for acquiring magnetic resonance imaging data. The radiotherapy apparatus comprises a radiotherapy source for directing electromagnetic radiation into the target zone. The radiotherapy apparatus is adapted for rotating the radiotherapy source at least partially around the magnetic resonance magnet. The magnetic resonance imaging system further comprises a radio-frequency transceiver adapted for simultaneously acquiring the magnetic resonance data from at least two transmit-and-receive channels. The therapeutic apparatus further comprises a processor and a memory containing machine executable instructions for the processor.

Abstract: Devices, systems, and methods are described including an invasive medical device with a magnetic region. The magnetic region can include a discontinuity in the magnetic region providing a diameter transition, a plurality of spaced magnetic regions can be provided or the magnetic regions can be encoded with data. Systems and methods are described that include ways to read the data.

Abstract: Physicians performing invasive procedures utilize instruments inserted into a human body to perform the procedures. Such procedures typically involve actions to be performed on specific targeted anatomical structures. During the procedure, nearby anatomical structures unrelated to the procedure should generally be avoided. A system and techniques are provided herein for monitoring the position of such unrelated nearby anatomical structures relative to one or more surgical instruments. The system emits a warning to a human operator such as a surgeon if one of the instruments is too close to a monitored anatomical structure.

Abstract: A method for conditioning a breathing tube for use in lung function diagnostics and a breathing tube made by such a method. This method is characterized by heating at least a section of a fully assembled breathing tube by a heating source to a temperature of at least 40° C., wherein heating is performed during a first time period, the first time period lasting between 0.1 seconds and 5 seconds wherein the section includes at least one window covered by a mesh.

Abstract: A sample cell (10) for a respired gas sensor has a single-piece injection molded main body (40) defining a gas flow path including an optical sampling bore (42), a gas inlet lumen (50) connected with the inlet end (44) of the optical sampling bore, and a gas outlet lumen (52) connected with the outlet end (46) of the optical sampling bore. The gas flow path includes at least two curved walls (100, 102, 104, 106). The sample cell may be manufactured by assembling mold pins (120, 122, 124, 126, 128) for defining the gas flow path wherein at least two mold pins (122, 124) have curved surfaces for defining the at least two curved walls of the gas flow path, and injection molding the single piece injection molded main body including removing the mold pins after defining the gas flow path including the at least two curved walls.

Abstract: The invention provides a patient monitoring system for monitoring a patient in a bed. A video camera is used for capturing video images of the patient. Video analysis is used to determine and track the position of body parts of the patient including the hands. This analysis is enhanced by using sensors which detect interaction by the patient with pieces of equipment in the vicinity of the bed.

Abstract: The present invention relates to a device, system and method for reliable and fast fall detection. The device comprises a sensor input (11) for obtaining sensor data related to movement of a subject acquired by a body-worn sensor (20, 22, 61) worn by the subject, and a video input (12) for obtaining video data of the subject and/or the subject's environment. An analysis unit (13) analyzes the obtained sensor data to detect one or more signal features indicative of a potential fall of the subject and for analyzing, if one or more such signal features have been detected, the detected one or more signal features and/or related sensor data in combination with related video data to identify similarities between: changes of the related sensor data and/or the signal features over time; and changes of the video data over time. An output (14, 64, 65, 66) issues a fall detection indication if the level and/or amount of detected similarities exceeds a corresponding threshold.

Abstract: Pacer activity data of a user may be managed. For example, historical activity data of a user corresponding to a particular time of a day prior to a current day may be received. Additionally, a user interface configured to display an activity goal of the user may be generated and the user interface may be provided for presentation. In some aspects, the user interface may be configured to display a first indicator that identifies cumulative progress towards the activity goal and a second indicator that identifies predicted cumulative progress towards the activity goal. The cumulative progress may be calculated based on monitored activity from a start of the current day to the particular time of the current day and the predicted cumulative progress may be calculated based on the received historical activity data corresponding to the particular time of the day prior to the current day.

Abstract: An external medical device includes monitoring circuitry configured to monitor a cardiac condition of a patient using the external medical device; and a controller configured to: receive at least one of patient input and non-patient user input of a patient's ability; determine a patient interaction mode of the external medical device based on the at least one of the patient input and the non-patient user input; and adapt the patient interaction mode of the external medical device over time based on the at least one of the patient input and the non-patient user input.

Abstract: A device for monitoring breathing activity of, e.g., athletes while exercising includes a breathing activity sensor configured to be worn by a wearer and to provide a breathing activity signal indicative of the breathing activity of the wearer. A motion sensor is configured to be worn by the wearer and to provide a motion signal indicative of the motion activity of the wearer. A processing arrangement is coupled to the breathing activity sensor to process the breathing activity signal and produce a processed breathing activity signal. The processing arrangement includes filter circuitry having a first filtering bandwidth and a second filtering bandwidth. The first filtering bandwidth is larger than the second filtering bandwidth. The filter circuitry is coupled to the motion sensor and operates with one of the first filtering bandwidth and the second filtering bandwidth selected as a function of the motion signal from the motion sensor.

Abstract: A biosensor is for sensing analytes in a fluid. The biosensor may include a first structural layer having a first hydrogel, a second structural layer having a second hydrogel, and a bioactive region extending between the first structural layer and the second structural layer and having a third hydrogel. The biosensor may include a first electrode coupled to the bioactive region, and a second electrode coupled to the first structural layer and being spaced apart from the bioactive region. The second structural layer may have a through opening adjacent the bioactive region, and the bioactive region may be configured to be in fluid communication with an environment external to the biosensor for receiving the fluid comprising the analytes.

Abstract: A subcutaneous sensor system includes a sensor, a plurality of reservoirs, a plurality of pumps, a mixer provided with a plurality of mixer inlets and a mixer outlet, and a controller having an input coupled to the sensor output and a plurality of control outputs coupled to the plurality of pumps and the mixer. In certain embodiments, the system further includes an enclosure for the reservoirs, the pumps, the mixer and the controller, e.g. in the form of a skin patch or in the form of an implantable enclosure. In certain embodiments, the sensor is external to the enclosure and implanted beneath the skin tissue.

Abstract: An analyte monitor includes a sensor, a sensor control unit, and a display unit. The sensor control unit typically has a housing adapted for placement on skin and is adapted to receive a portion of an electrochemical sensor. The sensor control unit also includes two or more conductive contacts disposed on the housing and configured for coupling to two or more contact pads on the sensor. A transmitter is disposed in the housing and coupled to the plurality of conductive contacts for transmitting data obtained using the sensor. The display unit has a receiver for receiving data transmitted by the transmitter of the sensor control unit and a display coupled to the receiver for displaying an indication of a level of an analyte, such as blood glucose. An inserter having a retractable introducer is provided for subcutaneously implanting the sensor in a predictable and reliable fashion.

Abstract: Provided are methods and apparatus for receiving sensor data from an analyte sensor of a sensor monitoring system, processing the received sensor data with time corresponding calibration data, outputting the processed sensor data, detecting one or more adverse conditions associated with the sensor monitoring system, disabling the output of the sensor data during the adverse condition time period, determining that the one or more detected adverse conditions is no longer present in the sensor monitoring system, retrieving the sensor data during the adverse condition time period, processing the retrieved sensor data during the adverse condition time period, and outputting the processed retrieved sensor data.

Abstract: An automatically locking safety device, e.g., for use in a blood collection procedure, can include a housing, first and second needle covers that are at least partly received in the housing, and a needle that is at least partly received in at least one of the first and second needle covers. The needle can include a proximal tip configured for placement into a patient and a distal tip configured for placement into a blood collection vial. In some embodiments, the first and second needle covers are biased by a biasing member. In some cases, one or both of the first and second needle covers can be locked to prevent axial movement thereof after the blood collection procedure. In certain embodiments, a distal end of the device is configured to connect with a medical connector, such as a needleless IV access device.

Abstract: A wearable apparatus and a method for ECG signal collection includes: a main body, including a first ECG sensor electrode provided on a side of the main body away from a wearing position of an individual and a second ECG sensor electrode provided on a side of the main body close to the wearing position, a securing portion, including a third ECG sensor electrode provided on a side of the securing portion away from the wearing position, and an ECG sensor, provided in the main body and configured to: electrically connect to the first ECG sensor electrode and the second ECG sensor electrode, electrically connect to the third ECG sensor electrode through a wire in the securing portion, and collect ECG signals from close circuits formed by the first ECG sensor electrode, the second ECG sensor electrode, and the third ECG sensor electrode.

Abstract: Disclosed is a vital sign monitoring system. The system comprises a segmented electrode forming an in-plane electrode array, wherein the electrode comprise a skin contacting skin adhering contact layer mounted on an electrode backing material, a deformation sensor arranged for identifying deformation information of the electrode, a signal processor arranged to receive a vital sign signal from the electrode and process the deformation information to remove artefacts from the vital sign signal, wherein the electrode comprises multiple electrode segments and wherein the signal processor is arranged to select that electrode segment that has a lowest deformation of all electrode segments of the electrode.

Abstract: A system and method for automatically identifying a location of focal arrhythmogenic activity are provided. The method includes receiving, via a plurality of electrodes in a heart, a collection of acquisitions, each including a set of electrophysiological (EP) signals measured by the electrodes. A respective direction of arrival (DOA) and a respective distance relative to the electrodes from which the set of EP signals originated are estimated for each acquisition. The acquisitions are aggregated, to form a statistical distribution of the acquisitions as a function of estimated DOA and distance. Using a statistical test, it is checked whether the statistical distribution is consistent, in accordance with a predefined consistency criterion. If the statistical distribution is found consistent, an estimated location in the heart of a focal source of an arrhythmogenic activity that generated the received EP signals is derived from the statistical distribution.

Abstract: A catheter comprising an elongated catheter body, and an electrode assembly distal of the catheter body, the assembly comprising a plurality of spines, wherein each spine has a distal end that is connected to the distal end of at least one other spine, wherein each spine has an electrode-carrying portion, the electrode-carrying portions of all spines of the assembly being in a single common plane, and wherein all spines of the assembly have a uniform exposed total length.

Abstract: Disclosed is a method for scoring in real time neural signals of a subject with respect to a reference state characterized by k=1 . . . K reference covariance matrices, the method including the following steps: (i) obtaining neural signals from the subject; (ii) computing a covariance matrix of the neural signals; (iii) computing the Riemannian distances between the covariance matrix and k=1 . . . K reference covariance matrices; (iv) computing a continuous score s in real time based on at least one of the distances computed in step (iii). Also disclosed is a system and method for self-paced modulation or external modulation of neural activity of a subject.

Abstract: Disclosed are devices, a systems, and methods for determining the dipole densities on heart walls. In particular, a triangularization of the heart wall is performed in which the dipole density of each of multiple regions correlate to the potential measured at various locations within the associated chamber of the heart.

Abstract: Systems and methods for detecting slow and persistent rhythms, such as indicative of ventricular response to atrial tachyarrhythmia (AT), are described herein. An arrhythmia detection system monitors patient ventricular heart rate, and identifies slow heart beats with corresponding heart rates falling below a rate threshold during a detection period. The system identifies one or more sustained slow beat (SSB) sequences each including two or more slow heart beats. The system determines a first prevalence indicator of the identified slow heart beats, and a second prevalence indicator of the identified SSB sequences during the detection period. An arrhythmia detector circuit detects a slow and persistent rhythm using the first and second prevalence indicators.

Abstract: Disclosed is a computer-implemented method for biofeedback training of a subject, the method including iteratively obtaining a series of biomarkers, each biomarker being representative of a bio-signal of the subject on a first time window; computing an intermediate threshold Thrintermediate(t) based on the series of biomarkers on a second time window, such that the intermediate threshold on the second time window could provide the subject with an expected reward ratio; computing a threshold Thr(t) as the weighted sum of the intermediate threshold Thrintermediate(t) and the threshold of the previous iteration Thr(t?1) and reporting in real-time a reward to the subject based on the difference between the biomarker and the computed threshold Thr(t), wherein at each iteration the time windows are moved forward in time. Also disclosed is a system for implementing the method.

Abstract: Embodiments of the present disclosure provide an apparatus, method and system for physical, pre-action, extremity and related spinal cord, brain stem and neural therapies. An apparatus according to the present disclosure can include: a computing device configured to convert an input control action into a simulation instruction, wherein the input control action is provided by an input device; at least one simulated extremity operatively connected to the computing device and configured to simulate at least one modeled human anatomical movement based on the simulation instruction, wherein the at least one modeled human anatomical movement is distinct from the input control action; and a feedback device operatively connected to the computing device and configured to transmit a sensory response, wherein the sensory response is based on the modeled human anatomical movement.

Abstract: A method and instructions for operating an image integrity and repeatability system can comprise: acquiring an original image; extracting a protocol from the original image; recording the original image to an image history; determining an area within an image frame of the original image as a skin area; creating a background as the inverse of the skin area within the image frame of the original image; and acquiring a subsequent image including: extracting an image parameter from the subsequent image, providing feedback based on the image parameter being outside a threshold, prohibiting capture of the subsequent image based on the image parameter being outside the threshold, displaying the background overlaid on the subsequent image, and storing the subsequent image to the image history based on the image parameter of the subsequent image being within the threshold.

Abstract: Systems and methods for accurately and efficiently diagnosing, assessing, staging/grading/categorizing, and treating pressure ulcers, as well as preventing reverse staging of pressure ulcers, are disclosed. The system, in one embodiment, ensures that the rationale for the stage assigned to the patient will be in the patients' medical record. The system, in various embodiments, further suggests the pressure ulcer classification and allows the user to choose which classification terms should be used. In various embodiments, the system also allows for the different classification/staging system guidelines to be used, including the National Pressure Ulcer Advisory Panel (NPUAP) guidelines, the European Pressure Ulcer Advisory Panel Guidelines (EPUAP), the Pan Pacific Pressure Injury Alliance, CMS, WHO, and the MDS Guidelines.

Abstract: Described is a method for detecting and displaying the movement of a temporomandibular joint which connects a lower jaw and an upper jaw by magnetic resonance imaging. A marker is secured to the lower jaw, a marker movement curve is generated using magnetic resonance imaging measurement data sets during a first measurement interval, during which the lower jaw is moved relative to the upper jaw, and a point which corresponds to a first position of the lower jaw relative to the upper jaw is ascertained on the movement curve. An image data set is generated during a second measurement interval, during which the temporomandibular joint is not moved, and a first model, which represents at least one part of the upper jaw and/or a temporal bone part that comprises the temporomandibular joint socket, and a second model, which represents at least one part of the lower jaw, are ascertained therefrom.

Abstract: Methods for locating blood vessels, lesions, and other discontinuities in tissue such as, but not limited to, the greater palatine artery (GPA) in the hard palate using an optical imaging process, surgical procedures utilizing the identified locations of discontinuities, and devices suitable for use during surgical procedures. According to one aspect, such a method locates a blood vessel or lesion in tissue by imaging the tissue via a diffuse optical imaging (DOI) process that measures light that travels through the tissue, and then locates the blood vessel or lesion in the tissue based on a difference in absorption of the light between the tissue and the blood vessel or lesion.

Abstract: A method includes measuring, using at least one sensor, strain on a nail plate of a subject, wherein the at least one sensor outputs a data stream corresponding to the measuring, communicating the data stream to a receiver, and interpreting, by the receiver, the data stream to determine a parameter of interest of the subject.

Abstract: A wearable sensor and method for providing a wearable sensor are disclosed. In a first aspect, the wearable sensor comprises a first module, wherein the first module comprises a top layer, a printed circuit board (PCB) layer, and a bottom layer. The bottom layer comprises a double adhesive layer that adheres to both the PCB layer and the user. The bottom layer includes at least two openings to house at least two electrodes for monitoring of a user. The wearable sensor further comprises a second module coupled to the first module, wherein the first module is disposable and the second module is reusable. In a second aspect, the method comprises providing the aforementioned wearable sensor.

Abstract: A multi-sensor smart patch is disclosed that can be worn by a user to monitor multiple physiological systems of the user. The multi-sensor smart patch can make use of two or more acoustic sensors, such as accelerometer contact microphones (ACMs), to collect acoustic data from multiple locations on the user's body. The multi-sensor smart patch can include electrodes for detecting the heart's electrical activity and/or assessing the user's bioimpedance. The multi-sensor smart patch can provide useful data associated with the user's cardiovascular system, respiratory system, and electrical characteristics. The multi-sensor smart patch can be in the form of a reusable electronics module couplable to a disposable patch adhesive.

Abstract: Methods of manufacturing and assembling a catheter shaft may include depositing electrical traces on an interior surface of the shaft of the catheter, rather than using separate wires, forming a bore in a sensor, and electrically coupling the sensor to the trace through a bore in the sensor.

Abstract: A spine that may be used in the electrode assembly of an electrophysiologic catheter having controlled flexibility. The spine may have a flexible core that extends through a length of the spine, a polymeric cover and a plurality of electrodes, each having at least one lead, distributed longitudinally along the spine. An amount of material forming the spine may be adjusted longitudinally along the spine to compensate for changes in flexibility to the spine caused by varying numbers of electrode leads present at different relative longitudinal positions along the spine.

Abstract: A P-wave centric subcutaneous insertable cardiac monitor (ICM) for use in performing long term electrocardiographic (ECG) monitoring is disclosed. The length of the monitoring performed by the ICM is extended, potentially for a life time of the patient, and the functionality of the ICM is enhanced, by including an internal energy harvesting module in the ICM. The energy harvesting module harvests energy from outside the ICM, and provides the harvested energy for powering the circuitry of the ICM, either directly or by recharging a power cell within the ICM. As the circuitry of the ICM requires a low amount of electrical power, the harvested energy can be sufficient to support the functioning of the ICM even when the electrical power stored on the ICM at the time of implantation runs out.

Abstract: A biological signal measurement system includes: a biological signal measurer that measures a biological signal including external noise of biological noise and of environmental noise; biological noise measurer that measures a signal including the biological noise; a biological noise estimator that estimates the biological noise from the signal measured by the biological noise measurer; an environmental noise measurer that measures a signal including the environmental noise; an environmental noise estimator that estimates the environmental noise from the signal measured by the environmental noise measurer; and a calculator that calculates the biological signal in consideration of an effect of the external noise using the signal measured by the biological signal measurer, the biological noise estimated by the biological noise estimator and the environmental noise estimated by the environmental noise estimator.

Abstract: An apparatus and method for measuring a biosignal that include generating a control signal for processing the biosignal based on an obtained replication signal or a sensed motion of the subject.

Abstract: An imaging device and method which can easily obtain a curve of time-varying changes in pixel value of a region of interest, even if the region of interest moves with a subject's body motion. A controller includes an image processor executing various types of image processing on fluorescence images and visible light images. The image processor includes a pixel value measurement unit which sequentially measures values of pixels at positions corresponding to a region of interest (ROI) in the fluorescence image, a change curve creation unit which creates a curve of time-varying changes in pixel value of the ROI by sampling, among the pixel values measured by the pixel value measurement unit, a minimum pixel value within a period equal to or longer than a cycle of the subject's body motion, and a smoothing unit which smooths the curve created by the change curve creation unit.

Abstract: A diagnosis assistance device assists a diagnosis, by using a plurality of sets of biological information that are measured from a subject, and that are stored in a storage medium. The diagnosis assistance device includes an achievement status determining section and a notification processing section. The achievement status determining section determines an achievement status of a predetermined condition related to biological information that is measured from the subject, based on the plurality of sets of biological information stored in the storage medium. The notification processing section performs a process of notifying of the achievement status. The condition is that the pattern of a change of biological information which is stored in the storage medium contains, threshold or more times, a specific pattern. The specific pattern is extreme-dipper, non-dipper, or riser.

Abstract: In some examples, determining a heart failure status of a patient using a medical device comprising a plurality of electrodes includes determining an estimated arterial pressure waveform of the patient based on an arterial impedance signal received from at least two of the plurality of electrodes. The estimated arterial pressure waveform may comprise a plurality of arterial pressure cycles. Each of the plurality of arterial pressure cycles may correspond to a different cardiac cycle of a plurality of cardiac cycles of the patient. At least one value of an intrinsic frequency of the corresponding arterial pressure cycle may be determined for at least some of the plurality of cardiac cycles and the heart failure status of the patient may be determined based on the at least one value of the intrinsic frequency.

Abstract: Laser sources are configured to project planar laser beams in a preselected geometric relationship. A laser detector is configured to detect, locate, and identify the planar laser beams.

Abstract: A medical imaging system includes a first tracking detector and a second tracking detector. The tracking detectors are spaced to allow for an object to be present between the first tracking detector and the second tracking detector. The system also includes a residual range detector adjacent the first tracking detector. The residual range detector includes: (1) a scintillator material having a first surface at least partially covered with an anti-reflection material and a second surface facing the first tracking detector and (2) at least one photon detector coupled to the scintillator material at a third surface of the scintillator material different than the first surface and opposite the second surface.

Abstract: An X-ray imaging apparatus includes a controller configured or programmed to perform control to change an amount of assist from a drive in manually moving a moving body based on at least one of operation of an operation button configured to receive an operation for moving the moving body or an operation for aligning the moving body and a current position and target position of the moving body.

Abstract: An imaging system comprises an adaptor plate configured to be removably coupled to a gantry structure of the imaging system, a plurality of detectors configured to be removably coupled to the adaptor plate, and one or more conduits for a fluid to flow through, wherein the fluid is used to cool the imaging system.

Abstract: A method for generating an x-ray image in color includes selecting three-sets of x-ray images in gray scale acquired with x-rays having different energy spectra, assigning basic colors RGB to the three-sets, and displaying the x-ray image in color with RGB signals generated. A system for generating an x-ray image in color includes an x-ray generator configured to generate at least three sets of x-rays with different energy spectra, an x-ray detector, a controller, a computer, and a color display. The computer is configured to generate three sets of x-ray images from output data of the x-ray detector acquired for x-rays with different energy spectra, assign RGB and display an x-ray image in color. A non-transitory computer readable medium stores an instruction, when the instruction is executed by a processor, cause the processor to perform the method for generating an x-ray image in color.

Abstract: An X-ray grating configured for use in an X-ray imaging apparatus is provided. The X-ray grating has a silicone-based base layer. A plurality of silicon-based ridges is on a surface of the silicon-based base layer, wherein the plurality of silicon-based ridges from a plurality of trenches, where a trench of the plurality of trenches is between two silicon-based ridges of the plurality of silicon-based ridges. A plurality of silicon-based bridges extends between adjacent silicon-based ridges, wherein each silicon-based ridge of the plurality of silicon-based ridges is connected to at least one adjacent silicon-based ridge of the plurality of silicon-based ridges by at least one of a silicon-based bridge of the plurality of silicon-based bridges and wherein at least one of a plurality of four adjacent trenches does not have any silicon-based bridges.