Abstract: An electrode holding device is described using a headset having a neutral curvature with a radius smaller than a human skull. The headset adapted to provide spring load force against the human skull at the first and the second ends where first and second respective electrode holding panels are attached. The electrode holding panels conform to the human above the ears. The electrode panels are adapted to pivot about pivot points on the ends of the headset. The panels are adapted to contact the human skull under pressure from spring load force generated from the headset bent beyond the neutral curvature of the headset. The headset can in certain examples be further adapted in certain to accommodate an arm having an a third electrode panel that possesses a third electrode assembly, the third electrode assembly adapted to be spring loaded against and in contact with the human forehead.

Abstract: A patch-type module includes a substrate provided with one surface and another surface that is a sticky surface; an air cell mounted to the substrate; a seal that blocks air from entering the air cell whose first surface is attached to the air cell; an electronic component mounted on the substrate; and a protection sheet that is attached to the sticky surface of the substrate through an adhesion layer, wherein a second surface of the seal is attached to the protection sheet through the adhesion layer, wherein when the protection sheet is peeled, the adhesion layer and the seal are peeled together to expose the sticky surface of the substrate and start introduction of air inside the air cell so that electric power is capable of being power supplied to the electronic component from the air cell.

Abstract: Differently perceptible types of stimuli are applied to the a test subject and the test subject is set intellectual tasks which, in the presence of a stimulus, are intended to be performed according to the nature of this stimulus. In a plurality of test steps a particular type of stimulus is chosen from the set of possible types of stimuli and applied to the person. During or after the application of the respective stimulus, EEG data of the person are determined and recorded preferably within 1 to 10 seconds. Classification analysis is used to determine a measure of whether the EEG data assigned to a defined stimulus are distinguishable from the EEG data assigned to a stimulus of a different type. The measure of the distinguishability of the EEG data of different stimuli is used as a measure of the perceptive faculty.

Abstract: Systems and methods for positioning implanted devices in a patient are disclosed. A method in accordance with a particular embodiment includes, for each of a plurality of patients, receiving a target location from which to deliver a modulation signal to the patient's spinal cord. The method further includes implanting a signal delivery device within a vertebral foramen of each patient, and positioning an electrical contact carried by the signal delivery device to be within ±5 mm. of the target location, without the use of fluoroscopy. The method can still further include, for each of the plurality of patients, activating the electrical contact to modulate neural activity at the spinal cord. In further particular embodiments, RF signals, ultrasound, magnetic fields, and/or other techniques are used to locate the signal delivery device.

Abstract: Generally, an animal monitoring device configured as a bolus for oral administration to reside in the reticulorumen of a ruminant animal having a memory element, a processor in communication with the memory element and a computer code contained in the memory element including a power management module executable by the processor to regulate power use by the bolus based on determination of remaining energy stored in an energy source and the determined power requirements over a pre-determined life cycle of the bolus.

Abstract: A device determines drug/alcohol content level in the breath of a person (1) with a stationary monitoring device (2), a communication unit (5) for data transmission to a central computer unit (4) and a hand-held device (3), connected via a data interface (6). The hand-held device has a mouthpiece (7) to receive a breath sample in a sample-receiving unit (18). An analysis unit (8) determines and transmits a drug/alcohol level via the data interface (6) to the monitoring device (2). A camera unit (16) records a skin area (13) of the person (1). An identification unit (9) makes a comparison of a recognized pattern on the skin with a pattern stored in a memory and a control signal is generated in case a pattern deviation. A control (10) is configured to transmit image data and/or a violation of the rules for performing the test if a limit value is exceeded.

Abstract: Systems and methods for determining lung recruitment/derecruitment dynamics of an individual are disclosed. The disclosed embodiments advantageously use variable ventilation of the individual to determine lung dynamics without necessitating additional, potentially harmful ventilation maneuvers.

Abstract: A method for estimating leg length and offset, comprises registering an anatomic coordinate frame associated with a patient's pelvis. The method also comprises measuring a first position of a femur relative to the patient's pelvis. The method further comprises receiving, from magnetic and orientation sensors, information indicative of a change in a position of the femur relative to the pelvis of the patient's pelvis. Alternatively, the method further comprises receiving, from light and orientation sensors, information indicative of a change in a position of the femur relative to the pelvis of the patient's pelvis. The method also comprises determining at least one of a leg length and an offset based on the first position and the change in position.

Abstract: Provided is an electrocardiogram (ECG) biometric authentication system that performs biometric authentication using biometric information having unique values for each client includes one or more client terminals and a key distribution center (KDC) that uses ECG information of the one or more client terminals to issue a digital certificate. According to the configuration of the electrocardiogram biometric authentication system, security is enhanced.

Abstract: Embodiments of the present disclosure disclose an estimation device for the estimation of Sound Recognition Score. The device estimates a Sound Recognition Score (SRS), to determine the hearing ability of that subject. The device also ascertains the performance of an Augmented Listening Device (ALD). The device comprises a memory unit, in which one or more audio signals and ambient noise signals are stored. The estimation device selects audio signal from the memory unit based on one or more parameters. Further, the device modulates the audio signals with the ambient noise signals and transmits the modulated audio signal to the ALD. Also, the device receives response for the transmitted signals from the ALD and estimates the responses based on the aggregate of values of the read flag data and response flag data. The estimated signal is displayed using a display unit as Sound Recognition Score.

Abstract: A drug application device irradiates terahertz light onto skin, outputs information concerning detection target cytokine determined from reflected rays of the terahertz light, and supplies a drug on the basis of the output information. A detection device irradiates terahertz light onto a patch attached to skin, and outputs information concerning detection target cytokine determined from reflected rays of the terahertz light.

Abstract: A medical sensor is described. In an example, the medical sensor includes a nanoscale tapered waveguide attached to a substrate. The nanoscale tapered waveguide includes a nanoscale channel that receives fluid and an excitation light and that outputs a response light. The excitation light propagates through the fluid. A receiving channel of the nanoscale channel is configured as a waveguide that receives and guides the excitation to a linearly tapered channel of the nanoscale channel. The linearly tapered channel has three dimensional linear tapering that focuses the excitation light guided from the receiving channel into an optical response channel of the nanoscale channel. In turn, the optical response channel is configured as a waveguide that outputs a response light in response to the excitation light focused from the linearly tapered channel. The response light corresponds to a response of an analyte of the fluid present in the optical response channel.

Abstract: There is provided a device arranged to couple electromagnetic radiation into or out of a biological material. The device comprises a first metamaterial comprising: a substrate component having a thickness no greater than a first wavelength of the electromagnetic radiation; and a plurality of elements supported by the substrate component, wherein each element has a first dimension no greater than a first wavelength of the electromagnetic radiation and at least two of the elements of the plurality of elements are non-identical.

Abstract: Provided are a method and systems for performing pulse oximetry. A light signal is emitted for a period of time and a modulated light signal is detected. The modulated light signal includes a red signal and an infrared signal. The modulated light signal is originated by an interaction of the light signal with a pulsatile tissue and a non-pulsatile tissue. The modulated light signal is processed to estimate an oxygen saturation in the pulsatile tissue during the period of time. The processing includes removing a non-pulsatile component resulting from the interaction of the light signal and the non-pulsatile tissue. The non-pulsatile component can be removed by removing a first parameter from an intensity of the infrared signal and a second parameter from an intensity of the red signal. The parameters are pre-determined using a calibration process to reproduce a true value for a ratio used to determine the oxygen saturation.

Abstract: An example method for performing pulse oximetry can commence with receiving at least three light signals of three different wavelengths reflected from a human tissue. The human tissue includes a pulsatile tissue and a non-pulsatile tissue. Based on the three light signals, values of at least three functions are determined. The three functions are invariant to an oxygen saturation in the pulsatile tissue and depend on location of a sensor operable to detect the three light signals and pressure of the sensor on the human tissue. Based on the values of the three functions, non-pulsatile components are analyzed for intensities of a red light signal and infrared light signal reflected from the human tissue. The non-pulsated components are removed from the intensities to allow correct estimates of a ratio of the absorption coefficients, with the ratio being used to determine the oxygen saturation in the pulsatile tissue.

Abstract: A blood oxygen and electrocardiography measuring apparatus, including a first clipping component, a second clipping component, a heart rate sensing pad, and a blood oxygen sensing component, is provided. The second clipping component and the first clipping component are pivoted with each other. The heart rate sensing pad is disposed on the second clipping component and located between the first clipping component and the second clipping component. The blood oxygen sensing component is disposed on the second clipping component and located between the second clipping component and the heart rate sensing pad. The blood oxygen sensing component is exposed from the heart rate sensing pad.

Abstract: An apparatus includes a housing, defining an inner volume, and an actuator mechanism movably disposed therein. The actuator mechanism is configured to be transitioned from a first configuration to a second configuration to define a pre-sample reservoir fluidically couplable to receive a pre-sample volume of bodily-fluid via an inlet port of the housing. The actuator mechanism is movable from a first position to a second position within the housing after the pre-sample reservoir receives the pre-sample volume such that the housing and the actuator mechanism collectively define a sample reservoir to receive a sample volume of bodily-fluid via the inlet port. The outlet port is in fluid communication with the sample reservoir and is configured to be fluidically coupled to an external fluid reservoir after the sample volume is disposed in the sample reservoir to transfer at least a portion of the sample volume into the external fluid reservoir.

Abstract: A detection device acquires traveling information end identification information of a driver from a first device installed in a vehicle and acquires a vital sign and the identification information of the driver from a second device that monitors the vital sign. The detection device determines probability of detecting a predetermined event, based on the vital sign in proximity of a certain time, when the predetermined event is detected at the certain time based on the traveling information and outputs a determination result.

Abstract: Methods, systems, and apparatus for detecting and/or validating a detection of a state change by matching the shape of one or more of an cardiac data series, a heart rate variability data series, or at least a portion of a heart beat complex, derived from cardiac data, to an appropriate template.

Abstract: A system is provided for using data based on user habit information or user monitoring. A monitoring device has one or more sensors that detect or measure user information selected from of at least one of, a user's activities, behaviors and habit information, and a user's health. The monitoring device includes circuitry that provides at least identification of the monitoring device, a communication system which reads and transmits an identification of the monitoring device, and a pathway system. A telemetry system is provided with a database of user ID's and is in communication with the monitoring device. A device determines a user's melanin level at a place where the monitoring device is positioned on the user. The user's melanin level is used with monitoring or measuring information relative to the user.

Abstract: Real time data is the quickest method see if changes made in technique are being translated into better swim performance. Swimmers can see in real time the positive or negative benefits of changing their tempo, breathing, speed, or stroke technique. Real time data projected to the interior of the goggle lenses allows the swimmer instant feedback on their performance so that a more proficient overall technique can be attained by bold or subtle changes the swimmer initiates while in the pool. The design integrated into the goggle will be less obtrusive to the swimmer.

Abstract: A wearable device is described. The wearable device comprises: a device body configured to be secured in contact with a subject; a first sensor borne by the device body that is activatable to measure a heart rate of the subject; and control logic configured to activate the first sensor during a monitoring period during which the subject is determined to be in a sleep period.

Abstract: The present invention provides methods for characterizing obstructive sleep apnea (OSA) patients in the treatment of OSA, and devices thereof. The methods comprise measuring polysomnography of said patients; analyzing polysomnography, and determining a characteristic of the polysomnography and selections of suitable treatments based on the patterns.

Abstract: A method of treating a host with a medication, comprising assigning a unique identifier to a host treatment apparatus; assigning a unique identifier to the host; storing the unique host identifier and the unique host treatment apparatus identifier on at least one remote server of a network and associating the unique host identifier and the unique host treatment apparatus identifier on the at least one remote server such that the unique host identifier and the unique host treatment apparatus identifier are exclusively associated to each other; activating the host treatment apparatus; coupling the host medication delivery device to the host; operating the host medication delivery device to deliver the medication contained in the host medication delivery device to the host; and operating the host treatment apparatus such that the host treatment apparatus communicates wirelessly to the at least one remote server an operational status of the host medication delivery device.

Abstract: A patient monitoring system is provided which includes a patient monitoring device secured to a prosthetic or orthotic. The patient monitoring device includes a spatial orientation sensor, a wireless interface adapted to communicate with a remote wireless device and a processor adapted to detect a wireless device running a software application, establish communications with the detected wireless device using the wireless interface, and transmit data from the spatial orientation sensor to the software application. The data from the spatial orientation sensor can be used to determine the tilt or inclination of the prosthetic or orthotic device from which the elevation of the device can be determined. A method of monitoring a patient wearing a prosthetic or orthotic device is also provided.

Abstract: The present invention describes breathable multilayered adhesive structures that can be used as adhesives to mount devices onto the skin. The breathable multilayered adhesive structures can comprise moisture-wicking layers adhered to the skin by a porous adhesion layer. The pores allow moisture released from the skin to be transferred away through the moisture-wicking layer. The adhesive structures permit the devices to be skin-mounted for an extended period of time (e.g., a few hours or days) without causing moisture-associated skin injuries such as erythema, maceration, and irritation or inflammation.

Abstract: A clip sensor device for optical measuring vital signs of a subject is provided. The clip sensor device includes a internal supporting frame formed from an elongated plate configured to be folded into a desired orientation. A measuring probe is mounted on an upper surface of the frame. The measuring probe comprises a transmitter and receiver and configured for generating a time response of the blood perfused body tissue to the applied optical signal that is indicative of the vital signs of the subject. The clip sensor device also includes a pressing member mounted on the upper surface of the internal supporting frame. The pressing member includes one or more spring elements configured to provide a predetermined pressure on the blood perfused body tissue due to the deformation of the spring elements when said portion of blood perfused body tissue is applied against the pressing member.

Abstract: The present disclosure provides devices and methods for improved hemodynamic monitoring, including devices for characterizing hemodynamic activity within a tissue or region of interest.

Abstract: Intravascular imaging catheters are provided that include a distal sheath portion having a lumen that is configured to optionally receive a guidewire or an imaging assembly. The distal sheath portion may be configured to have dimensions such that when a guidewire is inserted through the lumen and extends through a distal exit port, the distal sheath portion may be employed as a microcatheter. External tissue may be imaged at a location at or near the distal end of the catheter, enabling, for example, the controlled imaging of a total occlusion, and the positioning of the distal end (and guidewire) within a true lumen associated with a total occlusion. A structural stop may be provided at or near the distal end of the distal sheath portion to prohibit extension of the imaging assembly out of the distal exit port, while permitting the extension of the guidewire through the distal exit port.

Abstract: A system and method for performing a medical procedure is provided. The system includes a device having a shaft that generally extends from a proximal end to a distal end along a longitudinal axis. The distal end of the device is configured to identify a topographical profile of a lumen, wherein the topographical profile is determined by traversing the device a distance along the longitudinal axis of the lumen. The device also includes at least one of a plurality of projections movably coupled to the distal end and configured to provide a coupling with the lumen by extending in a direction substantially orthogonal to the longitudinal axis, and at least one radiopaque marker coupled to the distal end and designed to provide a contrast during imaging of the device.

Abstract: The methods and apparatuses presented herein determine and/or improve the quality of one or more physiological assessment parameters, e.g., response-recovery rate, based on biometric signal(s) and/or motion signal(s) respectively output by one or more biometric and/or motion sensors. The disclosed methods and apparatuses also estimate a user's stride length based on a motion signal and a determined type of user motion, e.g., walking or running. The speed of the user may then be estimated based on the estimated stride length.

Abstract: A method and corresponding apparatus employ a time-varying spectral analysis approach for reconstructing a heart-related signal that includes motion artifacts. The motion artifacts are produced by motion of a biomedical sensor relative to a sensing location. By comparing time-varying spectra of the heart-related signal and a motion signal, those frequency peaks resulting from the motion artifacts may be suppressed in a time-varying spectrum of the heart-related signal. The time-varying spectral analysis based approach enables the heart-related signal to be reconstructed with accuracy by suppressing the motion artifacts. Example applications for the method and corresponding apparatus include training aids (e.g., runners' heart-rate monitors) and hospital patient heart-rate monitors.

Abstract: A wearable medical device and method of detecting clipping of ECG signals is disclosed. In one embodiment, the wearable medical device comprises a plurality of ECG sensing electrodes configured to sense an ECG of a patient and an ECG acquisition circuit electrically coupled to a pair of the plurality of ECG sensing electrodes and configured to provide an amplified and conditioned analog ECG signal, a programmable attenuation/gain stage electrically coupled between a first gain stage and a second gain stage, an ADC electrically coupled to the ECG acquisition circuit to receive and digitize the amplified and conditioned analog ECG signal and provide a digitized ECG signal, and a signal conditioning and control unit electrically coupled to the ECG acquisition circuit and the ADC to receive and monitor the digitized ECG signal and to detect clipping of the amplified and conditioned analog ECG signal based upon the digitized ECG signal.

Abstract: Techniques for determining one or more physiological properties of a user of a device is disclosed. The techniques include, in part, obtaining one or more vascular-related signals and a first set of data corresponding to one or more inertial sensors. The one or more vascular-related signals and the first set of data correspond to a common time interval. The techniques further include determining one or more motion state categories in accordance with the first set of data, selecting portions of the one or more vascular-related signals based on their corresponding motion state category, and processing the selected portions of the one or more vascular-related signals to determine the physiological properties of the user.

Abstract: A system and method of detecting and classifying atrial fibrillations (AFs) monitors an electro-cardiogram (ECG) signal of the patient. Based on the monitored ECG signals, AF episodes are detected. Monitored physiological parameters are utilized to determine an activity level of the patient at the time of the detected AF episode, wherein the activity level is associated with the detected AF episode. The etiology of the detected AF episodes is classified as adrenergic if the AF episodes occur while the patient is active, and classified as vagal if the AF episodes occur while the patient is at rest.

Abstract: Methods and systems for automatically scoring diagnoses associated with clinical images. One system includes a server including an electronic processor and an interface for communicating with at least one data source. The electronic processor is configured to receive a diagnosis associated with an image of a patient from the at least one data source over the interface. The diagnosis is for an anatomical structure represented in the image. The electronic processor is also configured to receive a pathology result for the patient for the anatomical structure generated after the diagnosis from the at least one pathology result source over the interface. The electronic processor is also configured to automatically generate a score based on a comparison of the diagnosis and the pathology result. The electronic processor is also configured to display the score within a graphical user interface.

Abstract: Techniques for using multiple physiological parameters to provide an early warning for worsening heart failure are described. A system is provided that monitors a multiple diagnostic parameters indicative of worsening heart failure. The parameters preferably include are least one parameter acquired from an implanted device, such as intrathoracic impedance. The system device derives an index of the likelihood of worsening heart failure based upon the parameters using a Bayesian approach and displays the resultant index for review by a physician.

Abstract: A method of evaluating a physiological aging level includes calculating a complexity corresponding to a change pattern of a physiological parameter sensed from a user, and determining an aging level indicating a physiological change progress of the user based on the complexity.

Abstract: A device for generating alerts for Hypo and Hyperglycemia Prevention from Continuous Glucose Monitoring (CGM) determines a dynamic risk based on both information of glucose level and a trend obtainable from a CGM signals. The device includes a display whose color depends on the DR (for example, red for high DR, green for low risk). When DR exceeds a certain threshold, alerts are generated to suggest the patient to pay attention to the current glucose reading and to its trend, both of which are shown on the display in numbers and symbols (e.g. an arrow with different slope or color).

Abstract: A blood pressure measuring apparatus based on multiprocessing and a method of operating the same are provided. The blood pressure measuring apparatus based on multiprocessing includes: at least two multichannel pulse wave measurers including a plurality of pulse wave measuring sensors configured to measure pulse waves; and at least two processors, each processor of the at least two processors being configured to receive corresponding pulse waves among the measured pulse waves from a corresponding multichannel pulse wave measurer of the at least two multichannel pulse wave measurers, and analyze the corresponding pulse waves and extract feature points from the analyzed pulse waves, wherein the at least two processors comprise a master processor configured to measure a blood pressure based on the feature points extracted by each of the at least two processors.

Abstract: It is determined, during monitoring of a patient, that a plurality of alarm conditions has been initiated. The alarm conditions characterize a measurement by and/or operation of at least one medical device and have an associated grade among a plurality of prioritized grades. Thereafter, alarms can be generated that corresponding to some or all of the plurality of alarm conditions such that among concurrent active alarms: (i) an alarm corresponding to an alarm condition having a highest priority grade is conveyed at a first level upon initiation and, if such alarm condition remains active for a pre-defined time period, at the first level upon expiration of the pre-defined time period, and (ii) alarms corresponding to alarm conditions having equal or lower priority grades than the priority grade of the current highest priority grade alarm condition are conveyed at a second level, the second level being different from the first level.

Abstract: A display device includes a sensor, a transparent substrate, and a plurality of light emitters adjacent a first side the transparent substrate. The light emitters emit light in a first direction and a second direction opposing the first direction. The sensor senses reflected light, which is emitted through a second side of the transparent substrate and received by the sensor after being reflected from a location outside the display device.

Abstract: Aspects of the present invention relate to analysis of physiological data sequences and activity data recorded while a user participates in various activities. Some aspects relate to alert or messaging system and methods whereby messages are automatically generated when a condition in the physiological or activity data is satisfied. Messages may be automatically formatted with physiological and/or activity data as well as other fields and content. Each message condition may be related to a unique recipient list and message content template.

Abstract: An X-ray apparatus includes a light emitting unit, input interface circuitry, and processing circuitry. The light emitting unit includes a light source. The input interface circuitry inputs an X-ray condition. The processing circuitry controls an emission state of the light emitting unit to change to one of at least three states based on the X-ray condition.

Abstract: According to one embodiment, an X-ray diagnostic apparatus includes a first apparatus, a second apparatus, movement instruction input circuitry and control circuitry. In accordance with a movement instruction, the control circuitry is configured to control the first and second apparatuses so that the first apparatus can be moved to the target position. The control circuitry is configured to perform a retraction operation and a restoration operation. The retraction operation is an operation in which the first apparatus starts moving toward the target position and continues to move toward the target position, with the second apparatus retracted. The restoration operation is an operation in which the second apparatus is returned to the original position while avoiding the collision with the first apparatus.

Abstract: An X-ray imaging apparatus includes an imaging device that captures a camera image of a target, a controller that stitches a plurality of X-ray images of a plurality of divided regions to generate one X-ray image of the target, and a display that displays a settings window providing a graphical user interface for receiving a setting of an X-ray irradiation condition for the divided regions, and displays the camera image in which positions of the divided regions are displayed.

Abstract: An apparatus captures radiographic images of an animal standing proximate the apparatus. A moveable x-ray source and a digital radiographic detector are hidden from view of the animal and are revolved about a portion of the animal's body to capture one or a sequence of radiographic images of the animal's body.

Abstract: The present invention relates to a method and apparatus for detecting dental caries and an X-ray imaging apparatus and, more particularly, a method and apparatus for detecting dental caries and an X-ray imaging apparatus that can automatically detect occurrence and the degree of progress of caries by processing dental X-ray images.

Abstract: A medical imaging apparatus according to a present embodiment includes processing circuitry. The processing circuitry obtains pieces of medical image data, the pieces each being generated in each of multiple time phases and each including bone information. The processing circuitry sets first regions each being included in each of the pieces. The processing circuitry generates pieces of corrected medical image data by aligning the pieces of medical image data so that the first regions are substantially a same position. The processing circuitry specifies second regions each corresponding to a bone moving in the pieces of the corrected medical image data. The processing circuitry displays the second regions so as to be recognized on a display.

Abstract: A collision avoidance system and collision avoidance method for a detection bed are described. The collision avoidance system comprises stress sensors for measuring a stress caused by supporting a bed face of the detection bed and outputting stress data; a collector, which is connected with the stress sensors and is configured to collect the stress data output by each of the stress sensors; a judging processor, which is connected with the collector and is configured to judge whether the collected stress data monotonically changes within a preset time; and a controller connected with the judging processor, the controller controlling the bed face of the detection bed so that it stops moving when the judging processor determines that the collected stress data monotonically changes within the preset time.