Abstract: A weight-bearing device comprising: a weight-bearing surface configured to bear the weight of a subject; a first sensor module disposed in the device, the first sensor module configured to measure information about pulse waves propagating through blood in the subject, the subject located in contact with the weight-bearing surface; a second sensor module disposed in the device, the second sensor module configured to measure information about a motion of the subject; and a processing device configured to: receive a first dataset representing time-varying information about at least one pulse wave propagating through blood in the subject, wherein the time-varying information about the at least one pulse wave is measured using the first sensor module; receive a second dataset representing information about a time-varying motion of the subject, wherein the information about the time-varying motion is measured using the second sensor module; identify a first point in the first dataset, the first point representing a

Abstract: A blood glucose measurement apparatus includes: a control unit configured to determine a user's blood glucose level based on a concentration of body fluid secreted from the user; and a biometric information acquisition unit configured to acquire biometric information indicating a status of a user's autonomic nervous system. The control unit is configured to correct the determined blood glucose level based on the biometric information.

Abstract: A blood pressure measurement device includes: a light emitting unit configured to irradiate a living body with measurement light; a light receiving unit configured to receive reflected or transmitted light of the measurement light; and a computational unit configured to calculate a blood flow and a volume pulse wave based on a light-receiving result from the light receiving unit, and to calculate blood pressure based on the blood flow and blood vessel resistance that is obtained from the volume pulse wave.

Abstract: One or more electromagnetic radiation sources, such as a light emitting diode, may emit electromagnetic waves into a volume of space. When an object enters the volume of space, the electromagnetic waves may reflect off the object and strike one or more position sensitive detectors after passing through an imaging optical system such as glass, plastic lens, or a pinhole located at known distances from the sources. Mixed signal electronics may process detected signals at the position sensitive detectors to calculate position information as well as total reflected light intensity, which may be used in medical and other applications. A transparent barrier may separate the sources and detectors from the objects entering the volume of space and reflecting emitted waves. Methods and devices are provided.

Abstract: A physiological detection system including an image sensor, a converting unit, a retrieving unit and a processing unit is provided. The image sensor includes a plurality of pixels respectively configured to output a PPG signal. The converting unit is configured to convert a plurality of PPG signals of a plurality of pixels regions to a plurality of frequency domain signals. The retrieving unit is configured to respectively retrieve a spectral energy of the frequency domain signals corresponding to each of the pixel regions. The processing unit is configured to construct a 3D energy distribution according to the spectral energies.

Abstract: The disclosure provides a wearable cardiac arrest detection and alerting device that incorporates a non-invasive sensor based on optical and/or electrical signals transmitted into and received from human tissue containing blood vessels, and that transcutaneously quantifies the wearer's heart rate. The heart-rate quantification enables the detection of the absence of any heart beat by the wearable detection and alerting device indicative of the occurrence of a cardiac arrest, wherein the heart is no longer achieving effective blood circulation in the individual wearing the device. The display on the wearable cardiac arrest detection and alerting device may include the elapsed time since the time of detection of a heart rate that is below a predetermine lower limit value, i.e., the detected occurrence of a cardiac arrest event.

Abstract: A non-invasive pressure monitoring system includes a first sensor placed proximate to a perfusion field of an artery receiving blood which emanates from the cranial cavity is configured to measure pulsations of the artery receiving blood which emanates from the cranial cavity artery and generate first output signals. A second sensor placed proximate to a perfusion field of an artery which does not receive blood emanating from the cranial cavity configured to measure pulsations of the artery which does not receive blood emanating from the cranial cavity and generate second output signals.

Abstract: An electrode for biopotential sensing comprising a main electrode base and at least a plurality of contact pins protruding from the main electrode base and configured to make contact with a subject's skin. Each of the first plurality of contact pins comprises at least one conductive mesh having an elongated pillar shape. A headset or biopotential monitoring system comprising such an electrode for biopotential sensing.

Abstract: A method for forming an implantable electrode (100) includes exposing a conductive surface of the electrode (100) with a first application of an excimer laser (215) and creating a first surface texture on a conductive surface with a second application of the excimer laser. In one example, a low impedance implantable electrode includes a conductive surface and a coating disposed over the conductive surface. The coating may have a lower contact impedance with biological tissue than the conductive surface. At least a portion of the coating has an excimer laser textured surface.

Abstract: Systems, devices, and methods are described for neuromonitoring. A minimum stimulus signal required to elicit a threshold neuromuscular response is determined by delivery of stimulus signals to tissue and detection of neuromuscular responses in muscle tissue. The strength of the delivered stimulus signals is varied, for example by adjusting the current amplitude or pulse width of the signals, and muscle responses are measure, for example by detecting EMG signals. The delivered stimuli and corresponding responses are then used to determine a stimulation threshold. The stimulation threshold may be used to indicate at least one of nerve proximity and pedicle integrity.

Abstract: A magnetoencephalography (MEG) measuring apparatus and an MEG measuring method. The MEG measuring apparatus includes a superconducting helmet having an inward brim, a sensor-equipped helmet disposed inside the superconducting helmet, a pick-up coil disposed inside the sensor-equipped helmet, and a superconducting quantum interference device (SQUID) sensor mounted on the sensor-equipped helmet and connected to the pick-up coil.

Abstract: A method of compression preprocessing of raw data ui(tN) of measurements of electrocorticographic signals (ECoG) evolving over time with the aid of electrodes disposed in direct contact with a cortex comprises an actual step of compression preprocessing in which each raw signal ui(tN) acquired by the observed electrode i is transformed into a preprocessed signal ?i (tN) equal to the difference between a first term and a second term and appropriate for a second entropy encoding step. The first term is equal to the raw signal acquired at the electrode i at the current instant tN, and the second term is a prediction function fi which depends on past raw signals observed in a near past at at least neighbour electrodes ?i(j) of the observed electrode or at most at neighbour electrodes ?i(j) of the observed electrode i and at the observed electrode.

Abstract: Cardiac catheterization is carried out using a catheter having an electrode assembly disposed on the distal portion of the catheter. The electrode assembly includes a sensing electrode connected to a remote receiver, and at least one grounded guard electrode spaced apart from the sensing electrode by a gap. The sensing electrode is bracketed on at least two sides by the at least one grounded guard electrode.

Abstract: Electrodes are used to measure an electrical signal (e.g., an electrogram). One or more filters are applied to the electrical signal to generate one or more filtered signals. Features of the filtered signals are evaluated to assess a sharpness corresponding to the electrical signal. Based on the sharpness, various characteristics of a morphology of the electrogram may be evaluated over a time period.

Abstract: One example embodiment is a device for detecting fullness of a bladder of a subject. The device includes a distension sensor, an electromyography (EMG) sensor and a microcontroller. The distension sensor is located on a waistband of a pant and detects changes to a curvature of skin adjacent the bladder. The EMG sensor is located in the pant and includes two EMG electrodes that detect potential difference caused by contractions of the bladder. The microcontroller processes signals received from the distension sensor and the EMG sensor and generates, based on the signals, an output value that indicates the fullness of the bladder.

Abstract: A magnetism measuring device includes a light source unit, a diamond crystal and an image sensor. The light source unit irradiates the diamond crystal with an excitation light, and irradiates the image sensor with a fluorescent light generated by the diamond crystal. The diamond crystal includes a plurality of nitrogen-vacancy pairs. The image sensor detects an intensity of the fluorescent light, which is generated from the diamond crystal, by a plurality of pixels. The image sensor and the light source unit are disposed so as to be contained within a projection area of the diamond crystal.

Abstract: The present disclosure describes non-invasive approaches for delineating and characterizing tissue using MR imaging over a range of treatment levels. By way of example, tumor tissue may be distinguished and delineated from other tissue, such as muscle tissue. Further, tumor tissue may be characterized as malignant or benign using such approaches.

Abstract: The present invention relates to an electrode device for measuring impedance within a human body, and to an apparatus using the same for measuring impedance within a human body and performing acupuncture treatment using the measured impedance, which can automatically and precisely determine locations of meridians within the human body, form a three-dimensional image of the determined locations, and enable acupuncture treatment to be performed precisely. The electrode device for measuring impedance within a human body comprises: a cylindrical housing member having a guide rod mounted to an open side thereof; a cylindrical electrode member configured to be pressed against the skin of a human body and moved back and forth through the open side along the guide rod; and a resilient member interposed between the cylindrical electrode member and the cylindrical housing member to resiliently move the cylindrical electrode member back and forth along the guide rod.

Abstract: A body weight measuring apparatus and a body weight measuring method are provided. The body weight measuring apparatus includes an input unit configured to receive body information of a user other than bio impedance information; a bio impedance obtaining unit comprising a plurality of electrodes configured to be in contact with the user to measure a bio impedance of the user; and a body weight obtaining unit configured to obtain a weight of the user based on the measured bio impedance and the received body information.

Abstract: A handheld, conforming capacitive sensing apparatus configured to measure Sub-Epidermal Moisture (SEM) as a mean to detect and monitor the formation of pressure ulcers. The device incorporates an array of electrodes which are excited to measure and scan SEM in a programmable and multiplexed manner by a battery-less RF-powered chip. The scanning operation is initiated by an interrogator which excites a coil embedded in the apparatus and provides the needed energy burst to support the scanning/reading operation. Each electrode measures the equivalent sub-epidermal capacitance corresponding and representing the moisture content.

Abstract: A method, including generating a magnetic field in a region from a first magnetic field radiator located at a first position and a second magnetic field radiator located at a second position. A volume having a multiplicity of vertices is delineated within the region, and respective values of the magnetic field at the multiplicity of vertices are measured. In response to the respective values, respective first dipole moments to the first magnetic field radiator and respective second dipole moments to the second magnetic field radiator are assigned. A value of the magnetic field within the volume is calculated in terms of the first dipole moments and the second dipole moments.

Abstract: A medical instrument includes a sensor, a surface, at least one non-conductive material, and at least one pair of contacts. The sensor has at least one coil formed on a conductive material. The surface is suitable for receiving the sensor and can be placed in an EM field. The at least one non-conductive material covers the at least one coil of the sensor. The at least one pair of contacts are electrically connected to the at least one coil and connectable to a measurement device, which senses an induced electrical signal based on a magnetic flux change of the EM field. The location of the medical instrument in a coordinate system of the EM filed is identified based on the induced electrical signal in the sensor.

Abstract: A registration method whereby a sensor-based approach is used to establish initial registration and whereby upon the commencement of navigating an endoscope, image-based registration methods are used in order to more accurately maintain the registration between the endoscope location and previously-acquired images. A six-degree-of-freedom location sensor is placed on the probe in order to reduce the number of previously-acquired images that must be compared to a real-time image obtained from the endoscope.

Abstract: An assembly for the extraction of respiratory gas samples may include a container for receiving a respiratory gas sample, a piston arranged in the container in a movable and gas-sealing manner, and a gas feed into the container, which gas feed can be connected to a mouthpiece.

Abstract: An apparatus (20) for automatically measuring an anatomical angle of a body, the apparatus (20) comprising aligning means (23) for aligning an axis (22) of the apparatus (20) with anatomical landmarks of the body, sensing means (30) for sensing an orientation of the axis (22) while the axis is aligned with the landmarks, and processing means (40) for processing the sensed orientation. The sensing means (30) comprises a magnetometer (32) and an accelerometer (31), and the aligning means comprises a pair of lasers.

Abstract: A system and method for detecting body movement to improve posture and athleticism. The method includes the steps of the logic receiving a user input, such as a body metric input, a physical task, a duration, and an alert type. The processor then determines performance metrics. This can include retrieving an ideal body metric and an ideal motion for the physical task, calculating an optimal performance achievable by the user, and generating an optimal motion for achieving that performance. The logic then receives data from a sensor. This can include detecting a start position and a stop position. Data is recorded and stored in the memory of the system. The logic then transmits an alert, preferably when the stop position is reached. The present system and methods can help improve the quality of life for individuals with neurological disorders and help individuals perform activities where body positioning is important.

Abstract: Disclosed is a method and system including a processor instructing a restraining device (e.g., a chair) to move the patient at a predetermined sweep rate in a predetermined motion. The patient has adhesive dots positioned on the patient's body. The processor obtains images (e.g., a video) during the predetermined motion. The processor analyzes the images to determine an amount of movement of the adhesive dots on the patient's body.

Abstract: An application is employed on a smartphone which is adapted for vision processing of the user's face, in particular being adapted to detect when the user blinks. Other facial expressions may likewise be analyzed and detected. Occurrences of blinking and possibly various other facial expressions are logged, locally and/or to a remote server in communication with the application.

Abstract: A hearing test system comprising an computerized device (100) having an electro-acoustical output transducer (104) and a graphical user interface (102) and further being adapted to estimate a hearing loss of an individual test person. The invention also relates to a non-transitory computer readable medium carrying instructions which, when executed by a computer, cause a hearing loss of an individual test person to be estimated and a method of estimating a hearing loss.

Abstract: Devices and methods for maintaining a medical device on-body are provided. Embodiments include medical device securement systems having first and second on-body securement elements. Also provided are systems and kits for use maintaining a medical device on-body.

Abstract: Embodiments of the present disclosure relate to reusable medical sensors. According to certain embodiments, the medical sensor may include a sensor housing, an emitter disposed in the sensor housing, the emitter being configured to direct light through the tissue of a patient, and a detector disposed in the sensor housing, the detector being configured to detect light from the emitter after the light has passed through the tissue of the patient and to convert the detected light to an electrical signal. The sensor may also include a dye disposed in the sensor housing, wherein the dye is configured to exit the sensor housing when the sensor housing is damaged and is within a solution.

Abstract: The present disclosure relates to a method of diagnosing a CIPN in a subject, the method including assessing the sudomotor function of the subject. Also disclosed are methods of monitoring progression of the disease, as well as methods of treating the condition.

Abstract: An introducer is provided for introducing a sensor into the body of a patient. The introducer connects to a sensor hub. When the sensor hub and introducer are connected, the introducer needle is exposed. When the sensor hub and introducer are disconnected, a needle cover and the needle move with respect to each other so that the needle cover substantially covers the needle, protecting a user from being injured by the needle.

Abstract: The present invention relates to a microneedle, a sensor for detecting nitrogen monoxide, including the microneedle, a medical apparatus including the microneedle, and a manufacturing method thereof. The microneedle of the present invention may detect whether nitrogen monoxide is present or not by using electrochemical principles. Further, a change in concentration of nitrogen monoxide may be sensed in real time. The effects of detecting nitrogen monoxide may be used to diagnose cancer and forecast the size and growth degree of a tumor.

Abstract: Information for assisting a doctor based on the oxygen saturation of an observation target is presented. An endoscope system includes a light source device, an image sensor, an oxygen saturation calculation unit, a distribution pattern generation unit, a disease state score calculation unit, and a monitor. The light source device emits light to irradiate the observation target. The image sensor images the observation target with reflected light of the light, and outputs an image signal. The oxygen saturation calculation unit calculates an oxygen saturation of the observation target based on the image signal. The distribution pattern generation unit generates a distribution pattern showing the distribution of the oxygen saturation. The disease state score calculation unit calculates a disease state score indicating the disease state of the observation target based on the distribution pattern. The monitor displays the disease state score or information based on the disease state score.

Abstract: The present invention relates to system for extracting physiological information indicative of at least one vital sign of a subject from detected light transmitted through a part of the subject (1). To overcome the limitations of the contactless camera-based reflective PPG technique and classical contact sensors the proposed system comprises a medical instrument (12, 24) for at least partly introduction into a subject's body, one or more light sources (14, 15) for emitting light, said one or more light sources being mounted to the part of the medical instrument that is introduced into the subject's body during use, a light detection unit (16) for detecting light emitted by said one or more light sources and transmitted through a part of the subject, and a processing unit (18) for deriving physiological information indicative of at least one vital sign from the detected light using remote photo-plethysmography.

Abstract: The disclosed apparatus, systems and methods relate to the collection of bodily fluids through the use of gravity and microfluidic properties by way of a collector. The collector can make use of microfluidic networks connected to collection sites on the skin of a subject to gather and shuttle blood into a reservoir by a combination of capillary action and gravitational forces. The collected fluid is moved through the microfluidic networks and into the reservoir by a variety of approaches.

Abstract: The invention comprises systems and methods for the assessment of mental state by means of analysis of key words or phrases written or spoken by a subject. These elements are detected for instance through use of a smartphone app and/or bespoke software keyboard, and their occurrence is logged and analyzed, either locally or remotely. Text and speech may both be analyzed for purposes of the invention, which analyzes key words/phrases for example in terms of their emotional or psychological content, for example counting expressions of positive or negative feelings, attitudes, or other categories. By analysis of frequency of such usages, an estimate or reflection of mental state of the typist is built. Diagnosis of various conditions may thus be carried out, especially by watching how the frequencies and/or percentages of such key elements change over time.

Abstract: The present invention discloses a driver's fatigue detection system and method. The system comprises a vital sign detection device generating at least one personal vital sign value; a storage device storing a linear statistic equation; a processor electrically connected with the vital sign detection device and the storage device; and a display device electrically connected with the processor. The processor receives the personal vital sign value, retrieves the linear statistic equation, substitutes the personal vital sign value into the linear statistic equation to generate a predictive vehicle deviation value, and determines whether the predictive vehicle deviation value is over a preset vehicle deviation value. If yes, the processor generates an alert signal to the display device to present an alert image. The present invention determines whether the stability of the driver is decreasing according to his physiological status and reminds the driver to avoid a traffic accident beforehand.

Abstract: A method and apparatus for receiving, from a wearable sensor, current lactate level information of a user; setting, by the user, a target fatigue value; determining target lactate level information based on the target fatigue value; receiving characteristics of a physical exercise including information of an end of the physical exercise; determining adjusted characteristics of the physical exercise in order to match the current user lactate level information in the end of the physical exercise with the target lactate level information, based on the current lactate level information of the user, the target lactate level information and the characteristics for the physical exercise; and providing feedback to the user based on the adjusted characteristics of the physical exercise.

Abstract: Sleep systems having embedded sensors are described. In one aspect, a sleep system includes a mattress and one or more force sensors embedded within the mattress. The force sensors are positioned within the mattress to sense movement of an occupant of the mattress. The sleep system also includes one or more processors coupled with the one or more force sensors. At least one of the processors is configured to determine sleep state information for the occupant based on data obtained from one or more of the force sensors.

Abstract: An apparatus and method for nighttime distress event monitoring are provided. The apparatus includes a plurality of sensors configured to measure a sleep state of a user; a processor configured to determine, based upon a combination of information received from the plurality of sensors, whether the user is in a distressed state; a memory configured to store the information obtained from the plurality of sensors; and a communication unit configured to, if the processor determines that the user is in the distressed state, transmit a notification of the distressed state to an external device.

Abstract: Systems and method are provided for monitoring a person's snoring in a dwelling. A detection device is in communication with a user monitoring device. The detection device includes at least one motion/movement gesture sensing device configured to detect at least one of a person's motion, movement and gesture. A user monitoring device includes at least one element selected from: a proximity sensor; a temperature sensor; a humidity sensor; a particulate sensor; a light sensor; a microphone; one or more RF transmitters (BLE/ANT+WIFI); a memory; and one or more LED's. The detection device and user monitoring device detect a person's level of snoring.

Abstract: The present invention provides systems and methods for monitoring tissue regions. In particular, the present invention provides systems and methods for detecting changes in tissue regions over a period of time. In some embodiments, the systems and methods of the present invention are used to evaluate the effectiveness of a particular treatment of a tissue region. In some embodiments, the systems and methods of the present invention provide a parametric response map approach for detecting and analyzing changes in tissue regions over a period of time to detect and monitor disease or tissue health and to monitor the impact of therapeutic interventions.

Abstract: A system for analyzing the energy delivered to ECG device from the defibrillator is disclosed. The system includes an energy analyzing unit configured to measure the energy delivered to the ECG device from the defibrillator, wherein the energy gets diverted to the ECG device during operation of the defibrillator; and a presentation unit capable of presenting the measured energy in the ECG device.

Abstract: An apparatus for monitoring a condition of a human hand, relative to a reference environment, is disclosed. The apparatus includes at least one fiducial marker. The fiducial marker is in the field of view of an imaging system and the imaging system is designed for monitoring the human hand via the fiducial marker within the reference environment at a discrete point in time. The apparatus further includes at least one sensor capable of detecting an impact event associated with the condition of the human hand. The sensor may generate a signal indicative of the condition of the human hand at the discrete point in time and within the reference environment.

Abstract: A system and method for monitoring the physiological conditions of a subject using a battery powered physiological monitoring device configured to communicate through wireless communication with other electronic devices such as mobile devices, computers and networks is presented. The invention includes a plurality of physiological sensors integrated or built into a sock, wristband or as a standalone unit with the ability to process and stores the physiological data collected and provide useful information to the subject, monitoring equipment or health care professional.

Abstract: This invention relates to a wireless connected indoors slipper comprising at least a sensor of at least a health or comfort parameter of said slipper user.

Abstract: The system of the present invention includes a conductive element, an electronic component, and a partial power source in the form of dissimilar materials. Upon contact with a conducting fluid, a voltage potential is created and the power source is completed, which activates the system. The electronic component controls the conductance between the dissimilar materials to produce a unique current signature. The system can be used in a variety of different applications, including as components of ingestible identifiers, such as may be found in ingestible event markers, e.g., pharma-informatics enabled pharmaceutical compositions.

Abstract: An interactive physiological monitoring device includes at least one physiological sensor including an oximetry sensor, at least one motion sensor; and control electronics. The control electronics receive data from the physiological sensor and the motion sensor. The control electronics enter a lower power mode in the absence of a detection of motion from data from the motion sensor over a time interval. The interactive physiological monitoring device further includes a display device, wherein the control electronics cause a representation of data from the physiological sensor to be output to the display device.