Abstract: A method for determining a time point of a heart movement is described, wherein an EKG signal showing the heart movement is received. A first time point is determined, after which a mechanical signal characterizing the heart movement will probably be received, as a function of the received EKG signal. A mechanical signal is also received after the determined first time point. The time point of a heart movement can be concluded based on the receive time point of the mechanical signal. An apparatus for determining a time point of a heart movement is also described. The apparatus has a first receive facility, a timing facility, a second receive facility, and an evaluation facility. The evaluation facility is configured to determine the receive time point of the mechanical signal and to determine a time point of a heart movement based on the determined receive time point of the mechanical signal.

Abstract: An acceleration sensor output processing program for causing a computer to execute a process having generating an outer product of a gravity component vector that is extracted from a sensor value of a triaxial acceleration sensor which is detected during walking by a low pass filter and a swing component vector that is extracted from the sensor value by a high pass filter; obtaining a first value corresponding to a magnitude of the outer product; determining an odd-numbered walking period and an even-numbered walking period of the walking; and generating a magnitude of acceleration in one and the other horizontal directions by inverting a sign of the first value in accordance with a result of the determining.

Abstract: The present disclosure provides methods and devices for managing health conditions associated with posture. The devices can be configured to monitor patient body angles and alert caregivers when measurements are outside a recommended range for the health condition. The methods and devices can facilitate patient compliance and assist caregivers in adhering to action plans.

Abstract: Systems, methods and devices for recognizing user activity using data from accelerometer or other sensors. “Feature-based” approach and “model-based” approaches are described. In a feature-based approach, various values are extracted from input signals and projected onto a space that is selected to facilitate better segregation of data points. Classifiers identify the regions in this projected space in which the data points fall to distinguish between the different activity types. In a “model-based” approach, a generative model is trained for each activity type. Different activity types can be distinguished by identifying similarities between the input data with the generative models.

Abstract: Systems, methods and devices that facilitate determination of enhanced exercise or physical activity metrics by considering multiple types of data. Metrics are computable by pre-processing, and in some cases segmenting, a variety of input signals, such as acceleration signals, electromyography signals or other signals from a wearable device.

Abstract: Apparatus is disclosed for monitoring, measuring and/or estimating deviation of a body part of a vertebral mammal. The apparatus includes at least one sensor for measuring rotation of the body part relative to a first frame of reference and for providing data indicative of the rotation. The apparatus also includes a memory device adapted for storing the data and a processor adapted for processing the data to evaluate a deviation of the body part that correlates to the data. The processor may be configured to execute an algorithm for evaluating deviation of the body part. A method of monitoring, measuring and/or estimating deviation of a body part of a vertebral mammal is also disclosed.

Abstract: A computer-implemented method and a computerized system for performing a hearing test of a patient. The method comprises repetitively performing a plurality of iterations, each iteration including: displaying a plurality of images and consequently audibly introducing to the patient by sounding in a fixed predetermined audio intensity at least one word corresponding to at least one image of the plurality of images; responsive to the sounding the at least one word, acquiring from the patient at least one input, said input indicative of the at least one image; and determining a result of the hearing test based on a number of correct inputs provided by the patient.

Abstract: Disclosed are methods, apparatuses, etc. for glucose sensor signal reliability analysis.

Abstract: A monitoring system for cardiac operations with cardiopulmonary bypass comprising: a processor operatively connected to a heart-lung machine; a pump flow detecting device connected to a pump of the heart-lung machine to continuously measure the pump flow value and send it to the processor; a hematocrit reading device to continuously measure the blood hematocrit value and to send it to the processor; a data input device to allow the operator to manually input data regarding the arterial oxygen saturation and the arterial oxygen tension; computing means integrated in the processor to compute the oxygen delivery value on the basis of the measured pump flow, the measured hematocrit value, the preset value of arterial oxygen saturation, and the preset value of arterial oxygen tension; and a display connected to the processor to display in real-time the computed oxygen delivery value.

Abstract: A pulse photometer includes a light emitter, a light detector, a first signal separator that separates a first signal component and a first noise component, a second signal separator that separates a second signal component and a second noise component, a first determining section, a second determining section, and a concentration calculating section that calculates a concentration of a light absorption material in blood of the subject based on a fundamental frequency of the first signal component or a fundamental frequency of the second signal component.

Abstract: A device, system and method for tumor detection and/or monitoring is proposed. The proposed device comprises a first analysis unit for analyzing the spatial distribution of the photoplethysmographic, PPG, amplitude of PPG signals obtained from a region of interest, a second analysis unit for analyzing the spatial distribution of arterial blood oxygen saturation obtained from said PPG signals, and an evaluation unit for detecting and/or monitoring a tumor in said region of interest based on said two analyses.

Abstract: Lancet device includes a housing, a trigger, a system for placing the lancet device in a trigger-set or armed position. A plurality of lancets arranged one in front of the other and positioned in the housing. Each lancet has a front end, a needle which extends from the front end, and a rear end. The front end of at least one of the plurality lancets is removably connected to the rear end of another of the plurality of lancets.

Abstract: A protecting mechanism for a blood sampling device contains: a trigger unit and a switching assembly. The trigger unit includes a lancet holder, a triggering shaft, and a resilient element. The lancet holder has a launching portion, a first outer protrusion, a through orifice, and a first inner shoulder, wherein a bottom end of the triggering shaft moves in the through hole, and the triggering shaft has a first outer shoulder for engaging with the first inner shoulder of lancet holder, the resilient element is fitted with the triggering shaft and abuts against the lancet holder by ways of its bottom end. The switching assembly includes a fixing jacket having an abutting portion, a rotating tube having a first inner protrusion and two opposite second inner protrusions, and a driving sheath having two stopping sets, wherein each stopping set has two second outer protrusions.

Abstract: Needle assembly having the following modes of operation; a first mode wherein the safety shield can move to a first retracted position allowing injection of the piercing portion of needle from a position at least partially covering the piercing portion of the needle and a second mode wherein the safety shield moves to a position protecting the piercing portion of the needle after the first mode and is prevented from moving back to a position exposing the piercing portion of the needle.

Abstract: A system and method for measuring a functional lateralization of a subject brain is provided. The method includes providing a set of functional magnetic resonance imaging (fMRI) data acquired during a resting state of a subject, and selecting a plurality of seed voxels associated with locations in hemispheres of a brain of the subject. The method also includes determining a degree of within-hemisphere connectivity for each seed voxel using the fMRI data, determining a degree of cross-hemisphere connectivity for each seed voxel using the fMRI data, and computing an autonomy index for each seed voxel using the degree of within-hemisphere connectivity and the degree of cross-hemisphere connectivity, wherein the autonomy index is indicative of a connectivity asymmetry between the hemispheres. The method further includes generating a report indicative of a specialization profile determined for a region of interest in the brain of the subject.

Abstract: The present invention provides for a computer system including at least one server having software stored on a non-transient computer readable medium; where, upon execution of the software, the at least one server is at least configured to: i) receiving physiological data representative of a first physiological measurement of at least one physiological characteristic of an epileptic user; ii) receiving physiological data representative of a second physiological measurement of at least one physiological characteristic of the epileptic user; iii) comparing the first physiological measurement of the epileptic user to the second physiological measurement of the epileptic user; iv) based on the comparing, determining that a difference between the first physiological measurement of the epileptic user and the second physiological measurement is: a) higher than a predetermined threshold value, or b) smaller than the predetermined threshold value; and v) generating at least one alert; vi) transmitting the at least one

Abstract: The present invention relates at least in part to devices which are capable of indicating the presence of moisture. Embodiments of the present invention involve the provision of a solid dispersion of a colour-forming material in a hydrophilic polyurethane material. In particular, although not exclusively, the present invention relates to devices comprising foam, e.g., hydrophilic polyurethane foam and a colour former. Also included in the embodiments of the present invention are methods comprising the use of the devices, and other subject matter.

Abstract: Methods and systems are disclosed herein for a system configured to determine a position of a brain monitoring user device, and a brain state of a user. Based on the determined position and the determined brain state, the system provides access to a set of media guidance application operations corresponding to the determined brain state and to brain regions corresponding to the determined position of the brain monitoring user device.

Abstract: Applicants have created systems, methods, and computer readable media for verifying the accuracy of medical treatment in accordance with a treatment plan. The method can include the step of receiving medical treatment data including one or more treatment fields and the step of comparing a sample of a segment of treatment plan data with a sample of a first treatment field. The method can further include the step of comparing the segment with the first treatment field if the compared samples match within a first tolerance and the step of generating output data including the results of the step of comparing the segment with the first treatment field if a match occurs within the first tolerance. Through the inventions described herein, a software-based quality assurance analysis can be performed to quickly and accurately verify a patient's dosage in a variety of medical treatments including intensity-modulated radiation therapy.

Abstract: A physical therapy system including a method useful in increasing muscle control or decreasing neuromuscular inhibition of a target muscle.

Abstract: Method for detecting leaks and/or verifying adequate closure following a medical procedure, on a hollow or tubular organ of a subject, wherein a leak test is performed by injecting or insufflating, in the concerned organ, a specific test gas which is not commonly produced or naturally present within the body of the subject, or which is present or produced in a precisely known amount or concentration, and by analyzing percutaneously the gas or gas mixture present locally within the body cavity in which the organ is situated, and then verifying the presence, and preferably determining the concentration, of the injected or insufflated test gas in the local gas or gas mixture of the body cavity and indicating whether the concerned organ or a lumen defined by the latter is leak-free or not.

Abstract: The physiological monitoring device, system, and method disclosed herein is convenient and comfortable to use in the detection of physiological health risks. Embodiments may be coupled to a user's body at one instead of at multiple locations. Also, embodiments may be calibrated to the individual users to minimize the occurrence of false alarms while remaining sensitive enough to detect true physiological risk events. Physiological parameters that are monitored may include of heart rate, heart rate variability, respiration, perspiration, skin temperature, difference between skin and ambient temperatures, motoric activity, and electrical activity in muscles.

Abstract: A system, method and device are described for biometric analysis using a wearable device. The device can be removeably securable to a user's skin surface and can include a plurality of electrodes positioned to acquire electrical signals from the skin surface. The device can also include an electromyography acquisition module and skin impedance acquisition module. A processing unit can use the electrodes to capture a plurality of electrical signals including at least one electromyography signal. The processing unit can generate calibration data based on a subset of the captured electrical signals and process the electromyography signals using the calibration data to determine a biometric for the user.

Abstract: Employed is a probe support apparatus having: a base stand; an arm connected to an upper end of the base stand so that the arm can be tilted and rotated in a horizontal direction; and a probe support section connected to a distal end of the arm at a side opposite that of a portion connected to the base stand. The probe support section is constituted by a deformable section and a non-deformable section, and the non-deformable section is connected to a distal end of the arm so that the non-deformable section can rotate about an axis parallel to a rotation axis about which the arm is tilted.

Abstract: Pulse meter comprising a first electrode (4) and second electrode (5), which are adapted to be arranged in contact with a patient body part (9). The first and the second electrode (4, 5) are arranged on a first arm (1) and a second arm (2), respectively. The first and second arm (1, 2) extend out from a central portion (3), and the respective first ends (4a, 5a) of the first and second arm (1, 2) are arranged to be bent away from each other when the pulse meter (10) is being arranged into the applied position on the patient body part (9).

Abstract: Analysis of keystroke dynamics performed by an individual can be used for assessment and monitoring of the individual's motor function. Keystroke events related to a user pressing one or more keys on a keyboard or regions on a touch screen may be analyzed to identify a plurality of distributions of keystroke event intervals. The plurality of distributions may be analyzed to identify one or more features indicative of variation among the distributions and indicative of the user's motor function. Monitoring of a user's motor function may include comparing a value for a feature for one plurality of distribution to a second value for the same feature for another plurality of distributions.

Abstract: A positioning unit includes a projector and a control unit and enables a particularly quick and precise positioning of a patient. In an embodiment, the control unit affects a control of the projector as a function of a protocol for a recording of an image of the patient such that the positioning unit is designed for the planar projection of a figure as a positioning aid on the patient couch. An immediately apparent area on the patient couch is then specified by the figure projected in a planar fashion, relative to which the patient can be positioned. The control unit can be used both to temporally control the projection process and also to control the figurative properties of the positioning aid. Furthermore, the control unit can include a device for calculating a control signal so that the control unit brings about control of the projector with the control signal.

Abstract: A volume of data is partitioned into a plurality of domains. A multilevel preconditioner is applied in the plurality of domains to provide iterative approximate solutions for the domains, which are coupled with boundary conditions. The approximate solutions for the domains are stitched together to provide a solution for a wave equation which can be used in full waveform inversion.

Abstract: According to embodiments, systems and methods for high-pass filtering a plethysmograph or photoplethysmograph (PPG) signal are disclosed. A sensor or probe may be used to obtain a plethysmograph or PPG signal from a subject. The sensor may be placed at any suitable location on the body, e.g., the forehead, finger, or toe. The PPG signal generated by the sensor may be high-pass filtered to disambiguate certain features of the PPG signal, including one or more characteristic points. The cut-off frequency for the high-pass filter may be greater than 0.75 Hz and less than 15 Hz. The cut-off frequency for the high-pass filter may be selected to be greater than the subject's computed pulse rate. These characteristic points on the filtered PPG signal may be used to compute non-invasive blood pressure measurements continuously or on a periodic basis. For example, the time difference between two or more characteristic points in a high-pass filtered version of the generated PPG signal may be computed.

Abstract: A signal processing system aims to mark living creature physiological signal at a specific time by monitoring living creature's explicit characteristic behavior or ambient environment variation. It includes a trigger device to trigger a time marking device to generate a time signal, a signal processing device to receive the time signal through a transmission interface, and a detection device to measure and send a physiological signal of the living creature to the signal processing device. The signal processing device compensates delay time of the transmission interface, trigger device and time marking device to get a corrected time signal. Thus, the signal processing device can add the corrected time signal in the physiological signal or capture the physiological signal corresponding to a specific time of the corrected time signal to correctly interpret correlation between the living creature's explicit characteristic behavior or ambient environment variation and the physiological signal.

Abstract: A diagnostic apparatus and method are described. The diagnostic apparatus includes a diagnostic model unit configured to diagnose time-series data based on a model structure and parameters of a diagnostic model performing probability model-based analysis. The diagnostic apparatus also includes a learner configured to change the parameters using the time-series data as training data, and a change detector configured to detect a parameter change and output an alarm signal based on the detected parameter change.

Abstract: A method and apparatus for monitoring biosignals (e.g. bioelectrical signals) is disclosed. In one embodiment, a method and apparatus for anticipating a physiological abnormality (e.g. cardiac arrhythmia) is disclosed. In one embodiment, a method and apparatus moves into a high risk mode in anticipation of a physiological abnormality. In one embodiment, non-physiological risk factors may be derived from historic abnormalities (e.g. historic cardiac arrhythmia) of the user, another individual, or a population; and may be correlated with contemporary non-physiological data in order to anticipate a physiological abnormality.

Abstract: Methods, devices, and systems according to present principles provide ways to diagnose frailty and assess the severity of its clinical status—e.g., non-frail, pre-frail, and frail, especially as measured and quantified during activities of daily living. Systems and methods according to present principles objectively quantify physical activity behaviors and identify specific motor tasks, which indicate clinical frailty syndrome behaviors such as flopping, cautious-sitting, non-uniform walking fluctuations, cognitive decline, slowness, weakness, and exhaustion. Additionally, the systems and methods allow improved sensitivity and specificity of frailty identification by further assessing physiological parameters such as heart rate, respiration rate, and skin temperature in response to, or recovery from, specific activities.

Abstract: The present invention relates to a central blood pressure estimation device (11).

Abstract: Endovascular heat exchange systems and methods wherein a heat exchange catheter is positionable within the vasculature of a patent to exchange heat with the patient's flowing blood. The rate at which heat is being exchanged is determined and quantitative blood flow determinations may be made based on the rate of heat exchange. The system provides notification(s) to personnel when one or more blood flow-related events occur(s), such as a) resumption or continuation of effective spontaneous circulation; b) cessation of absence of effective spontaneous circulation, c) the occurrence of spontaneous or cardiac-compression-generated circulation that is below a minimum effective blood flow rate and e) the occurrence of spontaneous or cardiac-compression-generated circulation that is at or above a minimum effective blood flow rate.

Abstract: A robust alarm system has an alarm controller adapted to input an alarm trigger and to generate at least one alarm drive signal in response. Alarm subsystems input the alarm drive signal and activate one or more of multiple alarms accordingly. A subsystem function signal provides feedback to the alarm controller as to alarm subsystem integrity. A malfunction indicator is output from the alarm controller in response to a failure within the alarm subsystems.

Abstract: Systems and methods of reducing false alarms associated with a vital-sign monitor are disclosed. One or more data samples of a vital sign of a patient are generated at a first sampling rate in a normal mode of operation. Whether the one or more data samples satisfy an alert condition is determined. An alert mode of operation is entered into if the alert condition is satisfied. One or more additional data samples of the vital sign are generated at a second sampling rate higher than the first sampling rate in the alert mode.

Abstract: An apparatus for cone beam computed tomography can include a support structure, a scanner assembly coupled to the support structure for controlled movement in at least x, y and z orientations, the scanner assembly can include a DR detector configured to move along at least a portion of a detector path that extends at least partially around a scan volume with a distance D1 that is sufficiently long to allow the scan volume to be positioned within the detector path; a radiation source configured to move along at least a portion of a source path outside the detector path, the source path having a distance D2 greater than the distance D1, the distance D2 being sufficiently long to allow adequate radiation exposure of the scan volume for an image capture by the detector; and a first gap in the detector path.

Abstract: An imaging device is described. The imaging device includes a central communications unit, at least one individual detector control unit, a plurality of individual detectors and a serial interface between the at least one individual detector control unit and the central communications unit. Furthermore, a method for manufacturing an imaging device is described. In the method, a central communications unit is arranged between at least one individual detector control unit and a control and image data transmission unit. In addition, a serial interface is formed between the at least one individual detector control unit and the central communications unit.

Abstract: A medical examination facility is provided, wherein the facility includes an imaging apparatus and a mobile patient table. Mechanical coupling devices to be connected to each other are provided on both the imaging apparatus and the mobile patient table for the purpose of mechanically coupling the patient table to the imaging apparatus in an end position. The mechanical coupling device of the imaging apparatus includes a pulling device that is movable to a locking position via a controllable drive motor. In order to automatically move the patient table, the pulling device engages a driver provided on the patient table, before the end position is reached, and carries it by moving to the locking position, in which the patient table is in the end position.

Abstract: A radiation protection arrangement, in particular for attachment to at least one support rail which is preferably attached with a fastening device to one or more sides of the treatment table, comprising a fastening device at the at least one lamella which comprises a material for protection against radiation, preferably X-ray radiation, is preferably pivotably mounted, wherein the fastening device comprises a holder which can be attached to the support rail, wherein the holder comprises: at least one pivotably mounted handle, the handle having a free end and an end on which the handle is pivotably mounted, a locking mechanism suitable for locking the holder on the support rail, wherein the locking mechanism can be actuated by a pivotal movement of the at least one handle that is pivotably mounted on the holder.

Abstract: According to one embodiment, an X-ray diagnostic apparatus includes an X-ray source, a plurality of lead plates, attention position specifying circuitry, stop control circuitry. The X-ray source generates X-rays. The plurality of lead plates includes an aperture which narrows an irradiation range of X-rays with which an object is irradiated by the X-ray source. The attention position specifying circuitry specifies an attention position based on a line of sight of an observer. The stop control circuitry performs movement control of the plurality of lead plates based on the specified attention position.

Abstract: The apparatus the present invention provides the ability to take an x-ray image of an entire mouth in one exposure while significantly reducing the amount of escaped x-ray energy. This is accomplished by using a full mouth insert that has slots for two strips of film, one for the upper set of teeth and one for the lower set of teeth, or an embedded imaging sensor.

Abstract: X-ray imaging systems are provided that include an X-ray source and an X-ray detector. A filtering device is positioned between the X-ray source and the X-ray detector and includes one or more micro-filters each adapted to transition between an X-ray filtering position and an X-ray non-filtering position. A controller is programmed to control operation of the micro-filters.

Abstract: A videofluoroscopy accessory device adapted to securely and removably attach to an X-ray head of a fluoroscopy system or device. The videofluoroscopy accessory device on the current invention provides a platform for enhancing and supplementing the surgical environment with additional accessories. The accessories that could be used with the present invention include but are not limited to lights, cameras, microphones, and other medical equipment/tools for optimizing the surgical environment.

Abstract: A sensor holder for retaining a dental radiation sensing device includes an elongated support member, at least one pair of retention guides attached to the support member, and at least one bite block attached to the support member. The retention guides are capable of holding an associated dental radiation sensing device. The bite block has a leading edge which is first inserted into a mouth of a patient and a trailing edge. The leading edge defining a recess into which structure within the mouth of the patient can seat. At least one of the retention guides may be moveable relative to the other retention guide.

Abstract: A CT system is disclosed for generating tomographic recordings of an examination object. In an embodiment, the CT system includes at least a gantry with a rotatable support for receiving components of the CT system, and a cooling system for cooling the components secured to the gantry with at least one air duct. In at least one embodiment, an incoming-air duct of the cooling system is divided into at least two segments to ensure uniform pressure distribution in the incoming-air duct.

Abstract: A control apparatus for an X-ray imaging system obtains examination information including a plurality of imaging techniques and a plurality of imaging conditions corresponding to the plurality of imaging techniques. When the content of a condition item of the imaging condition selected from the plurality of imaging conditions is changed in accordance with an operation input from the operator, the control apparatus applies the change to an imaging condition other than the selected imaging condition of the plurality of imaging conditions.

Abstract: Identification of an optimal monochromatic energy for displaying monochromatic images is disclosed. In certain embodiments, determination of an optimal monochromatic energy may be performed by generating histograms for various monochromatic images generated based on a set of acquired multi-energy projections and by evaluating the histogram dispersion for the respective histograms.

Abstract: An X-ray differential phase contrast imaging device (10) comprises an X-ray source (20) for generating an X-ray beam; a source grating (G0) for generating a coherent X-ray beam from a non-coherent X-ray source (20); a collimator (22) for splitting the coherent X-ray beam into a plurality of fan-shaped X-ray beams (28) for passing through an object (14); a phase grating (G1) for generating an interference pattern and an absorber grating (G2) for generating a Moiré pattern from the interference pattern arranged after the object (14); and a line detector (24) for detecting the Moiré pattern generated by the phase grating (G1) and the absorber grating (G2) from the fan-shaped X-ray beams (28) passing through the object (14).