Abstract: The invention discloses a method, a system, a computer program and a device for determining the surface charge and/or dipole densities on heart walls. Using the foregoing, a table of dipole densities ?(P?, t) and/or a table of surface charge densities ?(P?, t) of a given heart chamber can be generated.

Abstract: A system and method for detecting and verifying bradycardia/asystole episodes includes sensing an electrogram (EGM) signal. The EGM signal is compared to a primary threshold to sense events in the EGM signal, and at least one of a bradycardia or an asystole is detected based on the comparison. In response to detecting at least one of a bradycardia or an asystole, the EGM signal is compared to a secondary threshold to sense events under-sensed by the primary threshold. The validity of the bradycardia or the asystole is determined based on the detected under-sensed events.

Abstract: An EEG monitoring system (2) adapted to be carried continuously by a person to be monitored comprises electrodes for measuring at least one EEG signal from the person carrying the EEG monitoring system (2). The system also comprises signal processing means adapted to receive, process and analyze the EEG signal. Furthermore the system comprises data logging means adapted to log data relating to said EEG signal and a memory for storing said data relating to said EEG signal. A method of using the monitoring system is also provided.

Abstract: A method for identifying a ureter during a medical procedure, the method comprising: providing an electrical stimulator comprising: a shaft having at least one electrode; and a power supply connected to the at least one electrode for providing an electrical signal to the at least one electrode; advancing the shaft so that the at least one electrode contacts tissue; operating the power supply so that the electrical signal is applied to the tissue; and visually observing the tissue to determine the presence of a ureter in the tissue.

Abstract: A non-contact vital sign monitoring system transmits wireless signals to the same side of a biological subject via two antennas with different gains, and the two antennas receive two reflected signals from the biological subject with random body movement. Under a proper setup of the two antennas, the two reflected signals can be adjusted by an amplitude and phase adjusting unit to have the Doppler shift components caused by body movement with equal magnitude and out of phase and the Doppler shift components caused by vital signs with different magnitude. Therefore, the random body movement effect can be cancelled based on the relation between the two reflected signals in using the system to monitor the vital signs of the subject.

Abstract: Devices, systems, and methods for the localization of body lumen junctions and other intraluminal structure are disclosed. Various embodiments permit clinicians to identify and locate lesions and/or anatomical structures within a lumen and accurately place leads and/or devices within a lumen, through determining the intralumen conductance and/or cross-sectional area at a plurality of locations within the body lumen.

Abstract: According to some embodiments, methods and systems of enhancing a map of a targeted anatomical region comprise receiving mapping data from a plurality of mapping electrodes, receiving high-resolution mapping data from a high-resolution roving electrode configured to be moved to locations between the plurality of mapping electrodes, wherein the mapping system is configured to supplement, enhance or refine a map of the targeted anatomical region or to directly create a high-resolution three-dimensional map using the processor receiving the data obtained from the plurality of mapping electrodes and from the high-resolution roving electrode.

Abstract: A system and method is provided for magnetic resonance angiography (MRA) that includes applying a first labeling pulse sequence to a first labeling region having a first portion of a vasculature of a subject extending through the first labeling region to label spins moving within the first labeling region. A second labeling pulse sequence is applied to a second labeling region having a second portion of a vasculature of the subject extending through the second labeling region to label spins moving within the second labeling region. The first and second labeling pulse sequences include different labeling techniques. An imaging pulse sequence is applied to an imaging region having a third portion of a vasculature of the subject extending through the imaging region that is displaced from the first and second labeling region to acquire imaging data from the spins labeled by the first labeling pulse sequence and the second labeling pulse sequence.

Abstract: A magnetic resonance imaging apparatus includes a processor and a memory. The memory stores processor-executable instructions that, when executed by the processor, cause the processor to receive a breath holdable time of a subject and adjust a parameter value of an imaging parameter included in imaging condition for imaging of the subject, according to the breath holdable time.

Abstract: Disclosed is a mobile device (15) for analyzing breath samples, comprising:—at least one mouthpiece (16) provided with at least one inlet opening (17) and at least one outlet opening (21) for allowing a person to respectively inhale and exhale via the mouthpiece,—at least one air filter (20) connected to the mouthpiece for filtering ambient air to be inhaled by the person,—at least one analysis compartment (19) connecting to the outlet opening of the mouthpiece and provided with at least one chemical trace detector (1), wherein the chemical trace detector comprises: at least one semi-conducting sensor (2); at least one heating element (4) for heating the semi-conducting sensor; at least one processor (6) for controlling the heating element; and a detection circuit (7) for detecting the change in resistance of the semi-conducting sensor which is at least partially determined by the presence of at least one chemical trace which reacts in the presence of the semi-conducting sensor.

Abstract: A breath testing apparatus is provided with a mouthpiece, a collection chamber, and a discharge chute. A breath sample is captured within the collection chamber and transferred to an evacuated container through the discharge chute by a sample transfer assembly.

Abstract: A measurement apparatus which includes a processor is provided. The processor is configured to calculate, based on a distance image of a measurement target object with at least a joint, a position of a first portion of the measurement target object which corresponds to a non-joint portion or a terminal portion, and a position of a second portion of the measurement target object different from the first portion, and calculate, based on a first line connecting the calculated positions, a joint angle related to a joint of a first measurement target of the measurement target object.

Abstract: According to an embodiment, an activity tracker includes an acceleration sensor capable of detecting accelerations in directions of two or more axes orthogonal to each other, an arm motion determination unit configured to determine on the basis of an output from the acceleration sensor whether there is a predetermined motion within a predetermined time period, when operation of an operation button is detected, and a transmission processing unit configured to cause a lamp to glow and wirelessly transmit a piece of corresponding information corresponding to the predetermined motion and a piece of time information at a time of detecting that there is the predetermined motion, when it is determined by the arm motion determination unit that there is the predetermined motion.

Abstract: The present application relates generally to computer software, mobile electronics, wireless communication links, and wearable monitoring systems. More specifically, techniques, fabrics, materials, systems, sensors, EMG sensors, circuitry, algorithms and methods for wearable monitoring devices and associated exercise apparatus are described. A garment borne sensor system may generate data on a user's performance during exercise, for example, and the data may be analyzed in real time and feedback may be provided to the user based on the analysis. A piece of exercise equipment may be instrumented and in communication with the sensor system or other system and may be controlled in real time to adjust its settings to affect the user during the exercise routine. Communication between the sensor system and other systems may be wireless. Conductive structures formed directly in a fabric of the garment may integrally include sensors, circuitry, controllers, conductive traces, and sensor electronics.

Abstract: A limb movement function evaluating method and the implantation system are provided. The aforementioned system includes a limb fixing device, limb guiding device, driver, actuator, impedance detector, and movement function analyzer. The limb fixing device is used to fix the first end of the user limb. The driver is used to guide the second end of the user limb through the actuator so as to make the second end moving relatively to the first end. The impedance detector is further connected to the driver so as to measure mechanical impedance where the movement of the user limb responses to the driving point of the driver. Finally, the limb movement analyzer compares the measured mechanical impedance and the movement path of the user limb so as to form a limb movement function curve. Therefore, the medical staff can make accurate rehabilitation evaluation according to the limb movement function curve.

Abstract: A composite membrane, a biosensor, and preparation methods thereof are disclosed. In the preparation process, a moldable and plastic material is used as a carrier; after a dispersion liquid of a nanocarbon material wets the carrier, by means of multiple stretching and folding processes, the nanocarbon material is uniformly distributed and arranged regularly inside the entire plastic material in a stretching strain direction. The prepared composite membrane is elastic, attachable, and cost-efficient, and may detect strains as high as 530%. The composite membrane further has high sensitivity and high durability, and may be effectively applied to a biosensor for monitoring motion and humidity.

Abstract: The present invention is both a device and a method for verifying a subject's identity while using a medical device or undergoing a medical diagnostic or therapeutic procedure, particularly at home or at a remote location. The method and device can be used for inpatient and remote sleep and signal analysis with biometric identification. The present invention is further related to the devices and sensors used in executing the method, and includes various embodiments of a method of inpatient and remote sleep analysis.

Abstract: A diagnostic tape unit and a process for producing it are provided, in which disposable, test units are applied to a rollable transport tape which is wound onto an unwinding spool and is connected to a take-up spool such that the test units can be successively made available to a user by winding on the transport tape. One or both of the leading end and trailing end of the transport tape is connected to their corresponding spools by means of an auxiliary tape.

Abstract: Disclosed is an analyte sensing system (1), comprising: a sensor probe (11) for collecting the analyte content in human body and transmitting the collected analyte content information; a transmitter (13) connected to the sensor probe (11) for receiving the analyte content information transmitted by the sensor probe (11) implanted subcutaneously and converting same into a radio signal to output; and a receiver for receiving the radio signal comprising the analyte content information transmitted by the transmitter (13) and converting same into analyte content data to display to the user. The analyte sensing system (1) uses an automatic installer (122) to implant the sensor probe (11) into the human body, and obtains the analyte content information collected by the sensor probe (11) through the transmitter (13) and the receiver. The analyte sensing system (1) has a small structure, and is easy to use and convenient to operate.

Abstract: A pulse oximeter sensor assembly and a method for monitoring and assessing a physical state of a subject with the assembly are provided. The assembly includes a pulse oximeter sensor, an indicator device, a processor coupled to the pulse oximeter sensor and the indicator device, a base layer configured to conform to a temporal region of the subject's head, and a mounting assembly configured to enable securing of the pulse oximeter sensor assembly in the temporal region of the subject's head. By positioning the assembly in the temporal region of the subject's head, the assembly can utilized data taken from the temporal artery and provide an external indication as to the physical status of the subject.

Abstract: A device for non-contact measurement of blood oxygen saturation (SpO2) in a mammalian subject including a camera and one or more arrays of LEDs each having a first set of LEDs emitting near infrared (NIR), and the second set of LEDs emitting orange light located in an optical path adapted to transmit reflected light from a subject to the camera. A controller transmits a camera trigger to the camera, and is further coupled to transmit control signals to the one or more arrays of LEDs. A processor receives photoplethysmography (PPG) data signal values from the camera. The PPG data signal values are present in the reflected light and include pulsatile and non-pulsatile components. The processor determines SpO2 values from the PPG data signal values from the measured ratios of pulsatile to non-pulsatile components of the PPG signals.

Abstract: Devices are presented for measurement of an analyte concentration. The devices comprise: a sensor configured to generate a signal indicative of a concentration of an analyte; and a sensing membrane located over the sensor. The sensing membrane comprises an enzyme domain comprising an enzyme, a base polymer, and a hydrophilic polymer which makes up from about 5 wt. % to about 30 wt. % of the enzyme domain.

Abstract: A method for monitoring a select analyte in a sample in an electrochemical system. The method includes applying to the electrochemical system a time-varying potential superimposed on a DC potential to generate a signal; and discerning from the signal a contribution from the select analyte by resolving an estimation equation based on a Faradaic signal component and a nonfaradaic signal component.

Abstract: A device that differentiates a living body includes at least one transmission antenna element that transmits a transmission signal to a predetermined range including the living body, N receivers that are arranged to surround a periphery of the predetermined range and each receive N reception signals using respective reception antenna elements of the receivers during a predetermined period, the N reception signals including a reflection signal resulting from the transmission signal reflected off the living body, memory that stores a teacher signal, a circuit that calculates a plurality of correlation coefficients according to the teacher signal and the N reception signals received by the N receivers and determines that the living body and the subject living body are identical to each other when a predetermined correlation coefficient included in the plurality of correlation coefficients is included in a predetermined value range.

Abstract: A force measurement system is disclosed herein. The force measurement system includes a force measurement assembly configured to receive a subject thereon, at least one visual display device having an output screen, and one or more data processing devices operatively coupled to the force measurement assembly and the at least one visual display device. In one or more embodiments, the one or more data processing devices are configured to determine a presence of a measurement error resulting from a portion of the load from at least one portion of the body of the subject being applied to an external object rather than the intended top surface of the force measurement assembly.

Abstract: An orifice probe, particularly for detecting if a patient has or has a risk of having cauda equina syndrome and a method for using same, the probe having a body for insertion into the anus of a patient, a sensing device for measuring at least one of the rectal tone and perianal or rectal sensation, and an output device for yielding at least one of the measurement of the rectal tone of the patient and whether the patient has perianal or rectal sensation.

Abstract: Systems and methods for discriminating between malignant and benign pigmented skin lesions based on optical analysis using spatial distribution maps, morphological parameters, and additional diagnostic parameters derived from images of tissue lesions. A handheld optical transfer diagnosis device is disclosed capable of capturing a series of reflectance images of a skin lesion at a variety of angles of illumination and observation.

Abstract: The present invention relates to method and a system for detecting sleep phenomena, the phenomena including at least one of sleep cycles and sleep disorders such as sleep apnea and hypopnea. Ballistocardiologic signals are detected from a subject person, which provide simultaneous information on heart rate variability (HVV) and stroke volume (SV) of the subject. Values of parameters reflecting measured characteristics of currently occurring cardiologic and respiration related sleep phenomena are obtained by processing at least said ballistocardiologic signals. Obtained parameters are used for making decisions on detection of said sleep phenomena, and a monitoring result is output in response to detection of a currently occurring sleep phenomenon.

Abstract: A system for providing a connected dental device is disclosed. In particular, the system may include integrating a network chip or transceiver into a dental device, such as a toothbrush, so as to enable the dental device to communicate with a user device and one or more accessory devices. Once the user device and one or more accessory devices are paired with the user device, the system may track information associated with the dental device and the user using the dental device. Based on the tracked information, the system may determine an action to be performed by the user using the dental device. Using the dental device, the system may transmit a notification to the user device to alert the user of the action that needs to be performed. The system may also transmit notifications providing status information for the dental device and the one or more accessory devices.

Abstract: A closed-loop brain computer interface (BCI) system for treating mental or emotional disorders with responsive brain stimulation is disclosed. The system includes an implanted module including a processor configured to process neural data acquired from one or more electrodes in communication with one or more brain regions of a patient. The implanted module is configured to deliver stimulation to electrodes in contact with the brain regions. An interface is in wireless communication with the implanted module and configured to receive the neural data from the implanted module. A controller processes the patient's brain and body signals to provide patient intentional control over the stimulation applied to the one or more electrodes and to control the stimulation.

Abstract: A medical-image processing apparatus according to an embodiment includes an extracting unit, a dividing unit, and an estimating unit. The extracting unit extracts a disease candidate region from a medical image. The dividing unit divides the disease candidate region into multiple partial regions. The estimating unit uses the feature value of each of the partial regions to estimate the disease state of the disease candidate region.

Abstract: The present invention relates to a method for calculating or approximating a value representing the relative blood volume (RBV) at a certain point of time, or a value representing the refilling volume of a patient that may be observed or found during or due to a blood treatment of the patient, the method involving considering one or more calculated or measured value(s) reflecting an overhydration level of the patient or an approximation thereof. It relates further to an apparatus and a device for carrying out the present invention, a blood treatment device, digital storage means, a computer program product, and a computer program.

Abstract: The invention is directed to systems and methods that can determine a user's fitness based on a single factor such as oxygen lung volume (pmVO2). A heart rate measurement is conducted on the user after the user performs a physical test specified by a fitness application of the system. The heart rate measurement is converted into a pmVO2 value and compared to pmVO2 values of other individuals. The system assigns the user a fitness grade based on the comparison result. The system further includes an artificial intelligent system that helps the user to move from a grade to a higher grade.

Abstract: An electronic device includes an attachment section which is attachable to a user, at least one contact detection sensor which detects whether the attachment section is attached to the user or is not attached to the user, a function section which executes at least one function, and a circuit section. The circuit section judges that the attachment section is in a non-attached state to the user based on a detection result of the contact detection sensor and controls the function section not to execute the function when the attachment section is judged to be in the non-attached state.

Abstract: An electronic device includes a balloon configured to contact a surface of a human conduit and one or more a biometric sensors operatively coupled to or on or in or within the balloon for detecting a biometric signal. The electronic device in some examples is a biometric sensor or measuring device. In other examples, the electronic device is an integrated device such as an earpiece having biometric sensors. In yet other examples, the electronic device can be operatively coupled to other device and other biometric sensors. Other embodiments are disclosed.

Abstract: An apparatus, method and computer program where the apparatus comprises: a plurality of sensors (3, 5) configured to detect a physiological parameter: wherein at least one first (5) sensor is configured to have a first sensitivity to the physiological parameter and at least one second sensor (3) is configured to have a second sensitivity to the physiological parameter; such that a parameter profile, comprising a plurality of measurements of the physiological parameter at different is provided by the apparatus.

Abstract: There is provided a biocompatible electrode structure which is capable of being connected to an electronic circuit, and in which a conductive nanomaterial is dispersed into a polymeric medium in which a density of the conductive nanomaterial on an opposite side of a connection surface to the electronic circuit, in the polymeric medium is lower than that on the side of the connection surface to the electronic circuit.

Abstract: Intravascular devices, systems, and methods are disclosed. In some instances, the intravascular device is a guide wire with an adhesive filled flexible element. For example, in some implementations a sensing guide wire includes a flexible elongate member; a flexible element extending distally from the flexible elongate member; a core member extending within a lumen of the flexible element; at least one flexible adhesive filling at least a portion of the lumen between the core member and the flexible element along a length of the flexible element; and a sensing element positioned distal of the flexible element. Methods of making, manufacturing, and/or assembling such intravascular devices and associated systems are also provided.

Abstract: The present invention provides systems, methods, devices and kits for assessing the level of pulmonary disease in individual lung compartments. A lung compartment comprises a subportion of a lung, such as a lobe, a segment or a subsegment, for example. By measuring individual lung compartments, the level of disease of the pulmonary system may be more precisely defined by determining values of disease parameters reflective of individual subportions or compartments of a lung. Likewise, compartments may be separately imaged to provide further measurement information. Once individual compartments are characterized, they may be compared and ranked based on a number of variables reflecting, for example, level of disease or need for treatment. Such comparison may be aided by simultaneous display of such variables or images on a visual display. Further, the same tests may be performed on the lung as a whole or on both lungs and to determine the affect of the diseased lung compartments on the overall lung performance.

Abstract: A detection apparatus of vital parameters on a steering wheel is provided. The apparatus includes a horn switch, remote control switches configured to operate devices within a vehicle and a vital signal detector configured to detect a vital signal of an operator. The vital signal detector includes a detection sensor that is configured to detect the vital signal of the operator and a photo sensor that is mounted on the remote control switch. Accordingly, the separate space for the assembling portion of the vital signal detector is not required and the volume of the apparatus and the number of components are reduced. The mountability and the aesthetics are improved.

Abstract: Disclosed are a system and method of detection of an interaction-error. The interaction-error is derived from an incorrect decision and is directed to interacting with a machine. During human-machine interaction, command related data values are obtained. Command related data values characterize any one of an interacting-command and an interacting-action. The command related data values are compared with command related reference data values, and an interaction-error is identified if a difference between the command related data values and the command related reference data values complies with a predefined criterion.

Abstract: A signal detection device includes: multiple electrodes that are arranged to come into contact with a subject that generates a signal; an electrode signal selection unit that alternatively selects one signal from signals on the multiple electrodes based on a selection signal; an amplification unit that amplifies the signal that is selected by the electrode signal selection unit; and a flexible substrate on which the multiple electrodes, the selection unit, and the amplification unit are formed, in which the amplification unit is formed on the substrate to form a laminated structure together with the multiple electrodes and the selection unit.

Abstract: A method includes: sensing a portion of a human body to generate a series of image frames by an optical sensing element; determining a complexion region from each of the image frames; then calculating a central coordinate of the complexion region; determining a sample block by expanding a surrounding range from the central coordinate, for getting a complexion fluctuation waveform; comparing the central coordinate with a central coordinate of a later image frame, to calculate a displacement in a unit time for determining whether the portion of the human body is in a static state. In the static state, an operating unit performs noise filter and peak detecting for complexion fluctuation waveform, and calculates a physiological signal. The method can reduce the amount of data required to be processed in physiological signal detection, and improve the accuracy of the detection.

Abstract: A heart rate detection module including a PPG measuring device, a motion sensor and a processing unit is provided. The PPG measuring device is configured to detect a skin surface in a detection period to output a PPG signal. The motion sensor is configured to output an acceleration signal corresponding to the detection period. The processing unit is configured to respectively convert the PPG signal and the acceleration signal to first frequency domain information and second frequency domain information, determine a denoising parameter according to a maximum spectrum peak value of the second frequency domain information to denoise the first frequency domain information, and calculate a heart rate according to a maximum spectrum peak value of the denoised first frequency domain information.

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: Systems, methods and devices for reducing noise in cardiac monitoring including wearable monitoring devices having at least one electrode for cardiac monitoring; in some implementations, the wearable device using a composite adhesive having at least one conductive portion applied adjacent the electrode; and, in some implementations, including circuitry adaptations for the at least one electrode to act as a proxy driven right leg electrode.

Abstract: According to one embodiment, a medical image display apparatus comprises reception circuitry, a storage, and control circuitry. The reception circuitry configured to receive at least one medical images imaged by a medical imaging apparatus, and first progress information indicating that image inspection for the at least one medical images is in progress in a medical image inspection apparatus, and receive second progress information indicating completion of the image inspection for the at least one medical images. The storage configured to store the at least one medical images and the first progress information. The control circuitry configured to update the stored first progress information to the second progress information, if the second progress information is received.

Abstract: Provided is a medical image processing apparatus including: a data acquisition unit configured to respectively acquire a plurality of medical images representing an object including at least one target at a plurality of different time points; and an image processor configured to generate, based on the acquired plurality of medical images, a diagnostic image showing a degree of change that has occurred in the at least one target over the plurality of different time points.

Abstract: In the present invention, a system and associated method is provided for monitoring vital parameters of a patient. The monitoring system includes sensors disposed on the patient and operably connected to a monitor. The parameters that are sensed by the sensors are transmitted to the monitor and compared with alarm thresholds stored within the monitor. The alarm thresholds stored within the monitor are modified by inputs supplied to the monitor regarding the particular condition(s) of the patient being monitored to provide more accurate alarm determinations for the patient. The dynamic adjustment of the alarm threshold during monitoring can be based on a set of proactive inputs to prevent and/or limit the occurrence of unnecessary or clinically irrelevant alarm conditions or a set of reactive inputs that follow immediately after an alarm event is detected, to enable medical personnel to appropriately respond to sensed alarm condition(s).

Abstract: A breast imaging system leverages the combined strengths of two-dimensional and three-dimensional imaging to provide a breast cancer screening with improved sensitivity, specificity and patient dosing. A tomosynthesis system supports the acquisition of three-dimensional images at a dosage lower than that used to acquire a two-dimensional image. The low-dose three-dimensional image may be used for mass detection, while the two-dimensional image may be used for calcification detection. Obtaining tomosynthesis data at low dose provides a number of advantages in addition to mass detection including the reduction in scan time and wear and tear on the x-ray tube. Such an arrangement provides a breast cancer screening system with high sensitivity and specificity and reduced patient dosing.