Abstract: An apparatus, system, and method for monitoring a person suffering from a chronic medical condition predicts and assesses physiological changes which could affect the care of that subject. Examples of such chronic diseases include (but are not limited to) heart failure, chronic obstructive pulmonary disease, asthma, and diabetes. Monitoring includes measurements of respiratory movements, which can then be analyzed for evidence of changes in respiratory rate, or for events such as hypopneas, apneas and periodic breathing. Monitoring may be augmented by the measurement of nocturnal heart rate in conjunction with respiratory monitoring. Additional physiological measurements can also be taken such as subjective symptom data, blood pressure, blood oxygen levels, and various molecular markers. Embodiments for detection of respiratory patterns and heart rate are disclosed, together with exemplar implementations of decision processes based on these measurements.

Abstract: A patient support apparatus includes a sensor capable of detecting vital signs, setting acceptable limits for the vital signs, and includes structures for monitoring the vital signs and providing local and/or remote indications to caregivers if the vital signs fall outside of acceptable limits.

Abstract: Embodiments of the present technology may include a system for monitoring a physiological parameter in a person, the system including a frequency synthesizer configured to generate radio waves across a range of radio frequencies. Embodiments may also include at least one transmit antenna configured to transmit the radio waves below the skin surface of a person. Embodiments may also include a two-dimensional array of receive antennas configured to receive radio waves, the received radio waves including a reflected portion of the transmitted radio waves. Embodiments may also include processing circuits configured to generate data in response to the received radio waves and to coherently combine the generated data across the two-dimensional array of receive antennas and across the range of radio frequencies to produce a pulse wave signal of the person.

Abstract: Systems for monitoring respiratory function of a person include a garment configured to be worn on a torso of the person. The garment includes one or more reference patterns positioned on the anterior torso of the person when the garment is worn. A camera is used to capture, at a first time, at least one image of the person immediately prior to inhalation, and immediately prior to exhalation, and to capture, at a second time, at least one image of the person immediately prior to inhalation, and immediately prior to exhalation. A computing device is used to transmit the images to a remote computing device for analysis.

Abstract: Systems and methods for monitoring patients with respiratory diseases are described. A system may include a sensor circuit configured to sense one or more physiological signals indicative of respiratory sounds, and a spectral analyzer to generate first and second spectral contents at respective first and second frequency bands. The system may produce a respiratory anomaly indicator using the first and second spectral contents, or additionally with other physiological parameters. The system may detect an onset or progression of a target respiratory condition such as asthma or chronic obstructive pulmonary disease using the respiratory anomaly indicator, or to trigger or adjust a therapy.

Abstract: A non-transitory computer-readable storage medium storing a program causing a computer to perform the following, obtaining a radiation moving image in which a chest portion of a subject when the subject breathes is shown; analyzing a dynamic state of the chest portion based on the radiation moving image obtained in the obtaining; and extracting impedance regarding breathing based on an analysis result obtained in the analyzing.

Abstract: System and method for determining breathing rate as biofeedback is provided. First biomarker, second biomarker, third biomarker and fourth biomarker is extracted by computation engine from physiological parameters associated with subject by applying pre-defined set of rules. A first value is computed by feedback unit as a function of second biomarker, third biomarker and fourth biomarker. A correlation between first value and time domain parameter of fourth biomarker and frequency domain parameter of fourth biomarker is determined. First value indicates stress level of subject. Second value is computed by maximizing time domain parameter of fourth biomarker and minimizing frequency domain parameter of fourth biomarker based on correlation. Second value indicates reduced stress level of subject. Biofeedback is transmitted by feedback unit to cue generation unit which represents quantified data determined based on second value. The quantified data is indicative of modified second biomarker.

Abstract: Devices, systems, and methods are provided for disambiguating phase in radar-based waveforms. A method may include determining a first waveform, the first waveform associated with a first subcarrier and a second subcarrier in a frequency domain, and the first waveform based on radar measurements. The method may include determining a motion signal, and determining, based on the first subcarrier, the second subcarrier, a subcarrier spacing of the subcarriers, and the motion signal, a phase change differential value between the first subcarrier and the second subcarrier. The method may include generating, based on the phase change differential value, a second waveform, and generating a third waveform in the time domain by applying the second waveform to the first waveform.

Abstract: Various embodiments of the present disclosure can include a catheter. The catheter can include an elongate shaft that extends along a longitudinal axis. The elongate shaft can include a shaft proximal end and a shaft distal end. A magnetically permeable shaft strip can be disposed along a particular shaft length of the elongate shaft. The magnetically permeable shaft strip can longitudinally extend along the elongate shaft.

Abstract: A wearable therapeutic device to facilitate care of a subject is provided. The wearable therapeutic device can include a garment having a sensing electrode. The garment includes at least one of an inductive element and a capacitive element, and a controller identifies an inductance of the inductive element or a capacitance of the capacitive element, and determines a confidence level of information received from the sensing electrode based on the inductance or the capacitance. The wearable therapeutic device also includes an alarm module coupled with the controller and configured to provide a notification to a subject based on the confidence level.

Abstract: In an embodiment, a method for tracking targets includes: receiving data from a radar sensor of a radar; processing the received data to detect targets; identifying a first geometric feature of a first detected target at a first time step, the first detected target being associated to a first track; identifying a second geometric feature of a second detected target at a second time step; determining an error value based on the first and second geometric features; and associating the second detected target to the first track based on the error value.

Abstract: The methods and device disclosed herein provide an array such as a Radio Frequency (FR) antenna array for measuring the array movement or displacement of the array relative to a reference location. In some cases the array may be attached to or in communication with the device. The array comprises at least two transducers (e.g.

Abstract: Automatically gathering and processing data relating to risk of patient falls. The data is analyzed to determine a level of risk each patient has for falling. Patient risk for falls is stratified and protocols are implemented to mitigate that risk. The system communicates instructions and alerts to caregivers to complete tasks or provide aid to patients. Updates to patient medical information and updates to best practices in fall risk management result in updates to patient risk stratifications. In turn, tasks and alerts are updated to reflect updates to patient risk stratifications.

Abstract: An apparatus, system, and method monitors the motion, breathing, heart rate and sleep state of subjects, e.g., humans, in a convenient, non-invasive/non-contact, and low-cost fashion. More particularly, the motion, breathing, and heart rate signals are obtained through processing applied to a raw signal obtained in a non-contact fashion, typically using a radio-frequency sensor. Periods of sleep disturbed respiration, or central apnea can be detected through analysis of the respiratory signal. The mean heart rate, and derived information, such as the presence of cardiac arrhythmias can be determined from the cardiac signal. Motion estimates can be used to recognize disturbed sleep and periodic limb movements. The sleep state may be determined by applying a classifier model to the resulting streams of respiratory, cardiac and motion data. A means for display of the sleep state, respiratory, cardiac, and movement status may also be provided.

Abstract: A non-transitory computer-readable recording medium records a display program for causing a computer to perform processes of: acquiring data about a space in which a subject sleeps, the data having been detected by a first sensor installed in the space; and displaying a zone including a sleep zone, a first zone before sleep onset, and a second zone after awakening of the subject in a different mode from other zones, when chronologically displaying suitability of the space as a sleep environment on a basis of the acquired data.

Abstract: A measurement device and a method for monitoring a condition of a patient. The measurement device includes: a gas-guide apparatus, connected between an medical gas provider and a patient and configured to deliver medical gas from the medical gas provider to the patient; and at least one sensing apparatus, placed on an outer surface of the gas-guide apparatus and configured to detect real-time measurement data of the medical gas passing through the gas-guide apparatus. In this way, the at least one sensing apparatus is placed on the outer surface of the gas-guide apparatus, since the measurement data is a relative value which indicates a change of internal environment of the gas-guide apparatus, this can also avoid a problem of contamination compared with setting a sensor inside a respiratory device, thus improving the security of the measurement.

Abstract: Motion-related 3D feature extraction by receiving a set of sequential radar signal data frames associated with a subject, determining radar signal amplitude and phase for each data frame, determining radar signal phase changes between sequential data frames, and extracting, by a trained machine learning model, one or more three-dimensional features from the sequential radar signal data frames according to the radar signal amplitude and the radar signal phase changes between sequential data frames.

Abstract: The present invention provides an unmanned transfer robot system including: an unmanned transfer vehicle capable of traveling on a road surface between a plurality of work stations; a robot that is mounted on the unmanned transfer vehicle; a sensor that is mounted on the robot and that detects a condition of the road surface; and a control unit that controls the robot and the unmanned transfer vehicle. Within an operation range of the robot, the sensor is disposed at a position where the sensor can detect a condition of the road surface in the periphery of the unmanned transfer vehicle, and the control unit controls the unmanned transfer vehicle on the basis of the condition of the road surface acquired by the sensor.

Abstract: A system for monitoring the respiratory activity of a subject, which comprises one or more movement sensors, applied to the thorax of a subject, for generating first signals that are indicative of movement of the thorax of the subject; a receiver for receiving the first generated signals during breathing motion of the subject; and one or more computing devices in data communication with the receiver, for analyzing the breathing motion.

Abstract: A mattress has a first support portion configure to receive and support a first user and a second support portion configured to receive and support a second user. The first support portion and the second support portion are adjacent to each other such that the first user is capable of rolling over from the first support portion to the second support portion while sleeping on the first support portion. A sensor is configured to sense first pressure in the first support portion and sense second pressure in the second support portion. The sensor is further configured to transmit data of the first pressure and the second pressure. The controller is configured to receive the data and from the data of the first pressure and the second pressure, determine if the first user has rolled over from the first support portion to the second support portion.

Abstract: A content explanation method and apparatus applied to content explanation includes identifying, by a content explanation apparatus, an emotion of the user, when identifying a negative emotion showing that the user is confused about delivered multimedia information, obtaining, by the content explanation apparatus, a target representation manner of target content in a target intelligence type, where the target content is content about which the user is confused in the multimedia information delivered to the user by an information delivery apparatus associated with the content explanation apparatus, and presenting, by the content explanation apparatus, the target content to the user in the target representation manner.

Abstract: An induction heating assembly for a vapour generating device includes an induction coil and a memory storage device. The induction coil is arranged to heat, in use, a susceptor and the induction coil is also arranged to transmit and receive, in use, an electromagnetic field to transfer data to and from an external information device.

Abstract: A vision-assist device may include at least one image sensor for generating image data corresponding to an environment, a user input device for receiving user input regarding one or more physical characteristics of a user, and a processor. The processor may be programmed to receive the image data from the at least one image sensor, receive the user input from the user input device, and adjust an alignment of the at least one image sensor based on the received image data and the user input. Methods for aligning an image sensor are also provided.

Abstract: A method for measuring a high-accuracy and real-time heart rate based on a continuous-wave radar is provided. The method includes receiving an in-phase (I) signal and a quadrature (Q) signal for a receive signal received through the continuous-wave radar, selecting any one signal by comparing magnitudes of the received I signal and the received Q signal, performing frequency transform of each of bases respectively having predetermined phases with respect to the any one selected signal, and determining a heart rate based on a magnitude response of each of the bases by the frequency transform.

Abstract: The present invention relates to device, system and method for detecting a cardiac and/or respiratory disease of a subject. The proposed device comprises a sound input (20) for obtaining a sound signal representing sounds generated by the subject's body; a motion input (21) for obtaining a motion signal representing motions generated by the subject's body; and a processor (22) for processing the obtained sound signal and motion signal.

Abstract: The present invention provides, among other things, apparatus and methods of use for treating a subject in need of assistance with breathing. In some embodiments the subject suffers from airflow obstruction. In some embodiments, the subject suffers from chronic obstructive pulmonary disease.

Abstract: A system for monitoring and measuring itch of a patient includes a wearable device including an actigraph sensor; and a controller electrically connected to the wearable device and including a processor and a memory. The wearable device is configured to measure, via the actigraph sensor, a movement of the patient; and send data indicative of the measured movement of the patient to the controller. The controller is configured to receive, via the processor, the data indicative of the measured movement; and determine, via the processor, a scratching movement of the patient based on the data indicative of the measured movement.

Abstract: An apparatus for monitoring a sleep parameter of a user includes an adhesive pad configured to conform to a surface of the user and a flexible element coupled to the adhesive pad. The flexible element includes a conductive fabric, and exhibits a modified electrical property in response to an applied force. The apparatus also includes a power source electrically coupled to the flexible element, and an electrical circuit electrically coupled to the power source and the flexible conductive element. The electrical circuit is configured to detect, during use, a change in an electrical property of the flexible element.

Abstract: Display control devices and methods are provided. Vital functions of a person are detected using a radar circuit, and power consumption of a display is controlled based on the detected vital functions.

Abstract: A biological information monitoring system (100) configured to monitor biological information of a subject (S) on a bed (BD) includes at least one load detector (11, 12, 13, 14) provided below the bed or legs of the bed and configured to detect a load of the subject on the bed, a waveform calculation unit (31) configured to calculate a waveform indicating a temporal variation in a detected value of the at least one load detector in accordance with respiration or a heartbeat of the subject, and a biological information calculation unit (32) configured to calculate a respiration rate or a heart rate of the subject by using the waveform.

Abstract: Cardiac Output (CO) has traditionally been difficult, dangerous, and expensive to obtain. Surrogate measures such as pulse rate and blood pressure have therefore been used to permit an estimate of CO. MEMS technology, evolutionary computation, and time-frequency signal analysis techniques provide a technology to non-invasively estimate CO, based on precordial (chest wall) motions. The technology detects a ventricular contraction time point, and stroke volume, from chest wall motion measurements. As CO is the product of heart rate and stroke volume, these algorithms permit continuous, beat to beat CO assessment. Nontraditional Wavelet analysis can be used to extract features from chest acceleration. A learning tool is preferable to define the packets which best correlate to contraction time and stroke volume.

Abstract: A device estimates direction of arrival (DOA) of sound from sound sources received by P microphones, wherein P?>1. The device is configured to transform the output signals of the microphones into the frequency domain and compute a covariance matrix for each of N frequency bins in a range of frequencies of the sound. Further, the device is configured to calculate an adapted covariance matrix from each of the covariance matrices for wide-band merging, calculate an accumulated covariance matrix from the N adapted covariance matrices, and estimate the DOA for each of the sound sources based on the accumulated covariance matrix. In order to calculate an adapted covariance matrix from a covariance matrix, the device is configured to spectrally decompose the covariance matrix and obtain a plurality of eigenvectors, rotate each obtained eigenvector, and construct each rotated eigenvector back to the shape of the covariance matrix.

Abstract: The present disclosure is related to systems and methods for motion signal recalibration. The method includes obtaining a motion signal of a subject based on positron emission tomography (PET) data of the subject. The motion signal may represent a plurality of motion cycles. The method includes determining a distribution of the motion cycles. The distribution of the motion cycles may indicate a probability that each motion cycle of the plurality of motion cycles corresponds to an actual motion cycle. The method includes correcting the motion cycles of the motion signal based on the distribution of the motion cycles to obtain corrected motion cycles. The method includes reconstructing a PET image by gating the PET data based on the corrected motion cycles.

Abstract: A system for detecting a moving object, having: a radar device for receiving at least one signal reflected by the object under at least one angle; and a processing unit for ascertaining at least one relative velocity and at least one angle for each ascertained relative velocity between the radar device and the object; a micro-Doppler analysis for the signals received from the object being able to be performed with the processing unit; the micro-Doppler analysis being performed based on angles determined for the received signals; and a type of the object being ascertainable with the performed micro-Doppler analysis.

Abstract: A respiratory monitoring device comprises: a light source (30) arranged to generate a projected shadow (S) of an imaging subject (P) positioned for imaging by an imaging device (8); a video camera (40) arranged to acquire video of the projected shadow; and an electronic processor (42) programmed to extract a position of an edge of the projected shadow as a function of time from the acquired video. In some embodiments, the light source is arranged to project the shadow onto a bore wall (20) of the imaging device, and the video camera is arranged to acquire video of the projected shadow on the bore wall. The electronic processor may be programmed to extract the position of the edge (E) as a one-dimensional function of time (46) based on the position of the edge in each frame of the acquired video and time stamps of the video frames.

Abstract: A belt cover for attaching to a horse The belt cover including at least (1) an electrode for detecting a bioelectric signal by contacting with the surface of a body of the horse, (2) an electric wiring, and (3) a connector for connecting with the electric wiring through a part for connecting with the connector and the electric wiring. Each of the electrode and the electric wiring includes a stretchable conductor having a conductive particle including a silver particle and a binder resin. The stretchable conductor of the electrode and the electric wiring has a sheet resistance of 0.1?? or less, an insulating layer is laminated on the electric wiring, and the electrode and the electric wiring are integrally formed without joints.

Abstract: There is provided a system architecture including a PPG hardware module and a MEMS hardware module. The PPG hardware module processes PPG raw data, which is generally composed of analog signals or digital signals. The PPG hardware module filters the raw data for later digital calculation to, for example, find out frequency signals with higher peak values. The PPG hardware module then outputs the selected frequency signals to an MCU for heart rate calculation. The MEMS hardware module receives MEMS raw data from a motion detector made of MEMS elements. The MEMS raw data represents motion status of a user that could possibly affect the heart rate determination result. The MEMS hardware module filters the raw data for later digital calculation to find out frequency signals with higher peak values caused by motion.

Abstract: Aspects of the of the disclosure relate to a non-contact physiological motion sensor and a monitor device that can incorporate use of the Doppler effect. A continuous wave of electromagnetic radiation can be transmitted toward one or more subjects and the Doppler-shifted received signals can be digitized and/or processed subsequently to extract information related to the cardiopulmonary motion in the one or more subjects. The extracted information can be used, for example, to determine apneic events and/or snoring events and/or to provide apnea or snoring therapy to subjects when used in conjunction with an apnea or snoring therapy device. In addition, methods of use are disclosed for sway cancellation, realization of cessation of breath, integration with multi-parameter patient monitoring systems, providing positive providing patient identification, or any combination thereof.

Abstract: Systems and methods for rate-adaptive pacing are disclosed. In one illustrative embodiment, a medical device for delivering electrical stimulation to a heart may include a housing configured to be implanted on the heart or within a chamber of the heart, one or more electrodes connected to the housing, and a controller disposed within the housing. The controller may be configured to sense a first signal and determine a respiration rate based at least in part on the sensed first signal. In at least some embodiments, the controller may be further configured to adjust a rate of delivery of electrical stimulation by the medical device based at least in part on the determined respiration rate.

Abstract: Sleep trainer (1) comprising a band (2) with two electrodes (21), (22) for carrying out an impedance measurement and a monitor (3) for receiving a measurement signal. The band has a band pocket (23). An electrical connection is obtained by inserting the monitor (3) into the band pocket (23). Band contact points ((210),220) are provided inside the band pocket (23). Monitor contact points (31), (32) are provided at an external surface of the monitor housing (30). The monitor contact points are flat and hardly protrude above the monitor housing. The band pocket (23) prevents a lateral movement of the monitor and a band pocket wall (231) exerts a pressing force to keep the monitor contact points (31), (32) in an abutting engagement with the band contact points (210), (220). Advantageously, the sleep trainer provides a high level of wearing comfort which contributes to a sleep disorder treatment compliance.

Abstract: A method for performing CPR with a mobile defibrillator (AED) unit can include detecting, via an application on a user device, a connection of a mobile AED unit to the user device; detecting, via the application, that pads have been attached to a subject, the pads comprising at least one accelerometer; recording, via the application, EKG measurements of the subject made by the pads; receiving accelerometer data from the at least one accelerometer; analyzing the accelerometer data to determine a breathing pattern of the subject; and based on the determined breathing pattern, initiating a CPR protocol.

Abstract: A monitoring method is performed by a digital processor while a subject is asleep or with little movement. The method includes receiving transducer signals for a subject and training a model for characteristics of a subject or subject group. The model is used in generating sleep data according to real-time correspondence and values of transducer signals including subject rib displacement, subject abdomen displacement, subject torso movement, and subject orientation. Combinations of the transducer inputs are used to determine features from which outputs such as an AHI score are determined. A feature matrix is normalized based on dynamically-generated positional epochs bordered by subject movements to new positions and used to provide a normalization matrix.

Abstract: A body movement detection sensor includes a sensor section having a piezoelectric film, a right belt member, a left belt member, and an engagement member configured to engage the right and left belt members. In the body movement detection sensor, the piezoelectric film exhibits piezoelectric effect in a length direction, the right belt member and the left belt member have substantially no elasticity, the body movement detection sensor further includes an elastic sheet directly or indirectly connected to the right belt member and the left belt member, the piezoelectric film and the elastic sheet are arranged substantially without irregularities when viewed from a side, and the elastic sheet has a maximum amount of expansion larger than an amount of change of a thorax during breathing and has a length equal to or smaller than one-sixth of a total length of the right belt member and the left belt member.

Abstract: The present disclosure relates to a method and a system for examining respiratory disorders whereby signals coming from the examined person are recorded by a wireless sensor equipped with a microphone and an accelerometer and then sent to a monitoring station. The monitoring station receives a digital data stream from the wireless sensor, cuts out respiratory episodes from the signal and, using a classification assembly constructed from three independent detection modules, classifies a respiratory episode as being normal or as snoring as well as determines the occurrence of apnoea.

Abstract: An image sending method includes dividing a desktop image according to an image segmentation solution included in an image segmentation solution set, to obtain a target image block set, where the target image block set includes a plurality of image blocks. The target image block set meets a target condition, and the target condition includes: a percentage of hit image blocks in the target image block set is greater than or equal to a target threshold, or a percentage of hit image blocks in the target image block set is greater than a percentage of hit image blocks in another image block set. The image sending method further includes sending data information of each image block and location information of each image block in the target image block set to a user end.

Abstract: Systems and methods detect a multicomponent brain-based bio-signal in non-brain internal body tissues and cavities of a patient, such as the mouth. Sub-component signals are filtered from the multi-component signal to isolate frequency brave wave bands.

Abstract: A wearable cardioverter defibrillator (“WCD”) system may include an impedance detector configured to render an impedance signal of the patient. The WCD system may determine, from the impedance signal, a characteristic of breathing by the patient that can be used as a vital sign. The WCD system may determine, from at least the breathing characteristic, whether or not a shock criterion is met. If the shock criterion is met, the WCD system may control a discharge circuit to discharge a stored electrical charge through the patient. An advantage can be that the breathing characteristic may be used to determine whether or not a patient is experiencing a condition that requires defibrillation therapy, such as sudden cardiac arrest. Even more advantages can be had in discerning the state of the patient when the breathing characteristic is combined with other data, such as from a motion detector.

Abstract: Various sensing systems may benefit from appropriate handling of signal to noise ratios. For example, detecting and measuring physiological signals may benefit from a phasor approach to signal to noise ratio measurement evaluation. A method can include obtaining a plurality of observations of a target volume. The method can also include determining a weight for each observation of the plurality of observations of the volume. The weight can be based on a change in phasor characteristics of the observation. The method can further include combining the plurality of observations based on the weight. The method can additionally include identifying a physiological signal based on the combined observations.

Abstract: A wearable device for continuous monitoring of the respiratory rate of a patient, using a first inertial sensor positioned on the abdomen, a second inertial sensor positioned on the thorax, and a third inertial sensor being positioned on a part of the body not subject to respiratory movements, fixed with respect to the torso. Each inertial sensor includes a microprocessor connected to a transmitter configured for processing the signals and supplying a signal represented by a quaternion that describes the orientation of the inertial sensors with respect to the Earth's reference system. A receiver is configured for receiving the abdominal quaternion of the first inertial sensor, the thoracic quaternion of the second inertial sensor, and the reference quaternion of the third inertial sensor and sending them to a control center configured for calculating the respiratory rate from the signals represented by a filtered abdominal quaternion and a filtered thoracic quaternion.

Abstract: A breathing device includes a mouthpiece having a passage therein and a housing connected to the mouthpiece. The passage is configured to receive breaths including inhales and exhales. The breathing device further includes light emitters, a sensor and a controller. The light emitters have an operational status and non-operational status. The sensor is configured to sense pressure generated by the breaths and obtain pressure data associated therewith. The controller is configured to receive the pressure data and determine if breaths are exhales or inhales. The controller is further configured to transmit an inhale signal to the light emitters during an inhale to change their status in an inhale lighting predetermined sequence and timing. The controller is also configured to transmit an exhale signal to the lights emitters during an exhale to change their status in an exhale lighting predetermined sequence and timing.