Abstract: Disclosed is an electrode-wiring-equipped cloth material including: a cloth material main body; an electrode section which is provided on a surface of or inside the cloth material main body and contains a conductive linear body; a wiring section which is provided adjacent to the electrode section on the surface of or inside the cloth material main body and contains a conductive linear body, in which cloth material at least one conductive linear body contained in the electrode section and at least on conductive linear body contained in the wiring section are the same single conductive linear body.

Abstract: A pressure-sensitive sensor includes a plurality of first-electrode cloths arranged at a first-interval on a first-surface of a conductive cloth and a plurality of second-electrode cloths arranged at a second-interval on a second-surface of the conductive cloth in a direction intersecting that of the first-electrode cloths. Areas of intersection between the first-electrode cloths and the second-electrode cloths are formed to have a matrix structure, first-conductive particles are applied to coat the conductive cloth, and second-conductive particles having greater electrical conductivity than the first-conductive particles are applied to coat the first-electrode cloths and the second-electrode cloths.

Abstract: A catheter is disclosed comprising: a connector including a plurality of first contacts and one or more second contacts; a shaft including a plurality of electrodes, each electrode being coupled to a different one of the plurality of first contacts; a memory coupled to at least one of the second contacts, wherein the memory is configured to: store a pinout map identifying an order in which the plurality of electrodes is coupled to the plurality of first contacts; and provide the pinout map to an external device via one or more of the second contacts after the connector is coupled to the external device.

Abstract: Disclosed systems, methods, and products include a self-contained electroencephalogram (EEG) recording patch including a first electrode, a second electrode and where the first and second electrodes cooperate to measure a skin-electrode signal, a substrate containing circuitry for generating an EEG signal there-from, amplifying the EEG signal, digitizing the EEG signal, and retrievably storing the EGG signal in a programmatic fashion. The patch also comprises a power source and an enclosure that houses the substrate, the power source, and the first and second electrodes in a unitary package.

Abstract: Disclosed systems include mobile ECG sensors, systems and methods. Some embodiments provide ECG sensors in a packaging-label form factor that allows a user to contact two electrically isolated electrodes on an exterior of a product packaging to measure heart electrical signals for a Lead I ECG.

Abstract: An electrocardiograph acquisition circuit, device, method and system are provided. The electrocardiograph acquisition circuit includes: a wireless transmission circuit configured to receive a first electrocardiographic voltage from a second electrocardiograph acquisition device; an electrocardiograph electrode configured to detect an electrical signal on biological skin; an acquisition circuit configured to obtain a second electrocardiographic voltage by acquiring the electrical signal detected by the electrocardiograph electrode; and a control circuit configured to obtain an electrocardiograph index signal by processing the first electrocardiographic voltage received by the wireless transmission circuit and the second electrocardiographic voltage acquired by the acquisition circuit based on a first acquisition time of the first electrocardiographic voltage and a second acquisition time of the second electrocardiographic voltage.

Abstract: An instantaneous heartbeat reliability evaluation apparatus according to an embodiment includes: extraction means which extracts waveforms having a maximum value corresponding to depolarization of a heart in a biosignal of an examinee; first calculation means which calculates an interval between two waveforms neighboring in a time series; dividing means which divides a signal output from measurement means into signals of predetermined periods; second calculation means which calculates feature quantities of a potential of each divided signal; first evaluation means which evaluates whether a measurement state of each divided signal is normal or abnormal on the basis of feature quantities; and second evaluation means which evaluates measurement states of two neighboring extracted waveforms on the basis of an evaluation result obtained by the first evaluation means and evaluates reliability of a measurement state of the interval between the waveforms calculated by the first calculation means depending on a type o

Abstract: The present invention relates to a non-invasive cardiac monitoring device that records cardiac data to infer physiological characteristics of a human, such as cardiac arrhythmia. Some embodiments of the invention allow for long-term monitoring of physiological signals. Further embodiments allow for processing of the detected cardiac rhythm signals partially on the wearable cardiac monitor device, and partially on a remote computing system. Some embodiments include a wearable cardiac monitor device for long-term adhesion to a mammal for prolonged detection of cardiac rhythm signals.

Abstract: Various embodiments include methods and computing systems for arrhythmia localization and display. A computing system may include generating a patient-specific three-dimensional (3D) heart model including a 3D internal surface model, such as based on medical image data, generating a patient-specific electrical conduction model of a patient's heart of an arrhythmia based on the patient-specific 3D heart model and electrocardiogram (ECG) data. The patient-specific electrical conduction model of the patient's heart may identify a localization of an initiation site of the arrhythmia The computing system may merge the 3D localization of the initiation site of the arrhythmia and the 3D internal surface model to form an arrhythmia activation surface model, and generate a 3D model of the heart showing the wall thickness of the heart's myocardium simultaneously with the localization of an arrhythmia.

Abstract: Various embodiments include methods and computing systems for arrhythmia localization and display. A computing system may select a 3D heart electrical conduction model, including a 3D surface model, from a database of representative 3D heart models based on patient demographic information. The computing system may generate a patient-specific 3D localization of an arrhythmia based on the selected 3D electrical conduction model and ECG data, and generate a patient-specific cardiac activation map based the 3D electrical conduction model and ECG data. The computing system may then merge the patient-specific 3D localization of the arrhythmia and the 3D surface model to generate a 3D arrhythmia activation surface model, and display the patient-specific 3D localization of the arrhythmia and the patient-specific cardiac activation map for use in a medical procedure. Patent demographic information may be used to create or adjust a 3D heart model for inclusion in the database.

Abstract: The present invention provides for a panel for receiving neurocognitive data having a collapsible and portable user interface touch screen display bounded by a frame, the touch screen display having a width that extends into a user's peripheral vision by having the touch screen display extending from 60 to 120 degrees from a center of the user's gaze. The invention provides the touch screen display mounted on a support stand at the user's eye level and a computer electronically connected to the touch screen display via a control unit, the touch screen display comprising a tactile area having touch sensing capacity. The touch screen display for receiving at least one stimulus via the electronic connection to the control unit.

Abstract: We report a method of a method for detecting an epileptic seizure, comprising providing a first body signal reference value; determining a current body signal value from a time series of body signals; comparing the current body signal value and the first reference value; determining a work level of the patient; determining whether the current body signal value comprises an ictal component, based on the work level and the comparing; issuing a detection of an epileptic seizure in response to the determination that the current body signal value comprises the ictal component; and taking at least one further action (e.g. warning, delivering a therapy, etc.), based on the detection. We also report a medical device system configured to implement the method. We also report a non-transitory computer readable program storage unit encoded with instructions that, when executed by a computer, perform the method.

Abstract: According to an aspect, there is provided an apparatus (2) for detecting an epileptic seizure in a subject, the apparatus (2) comprising a processing unit (4) configured to obtain head movement measurements, wherein the head movement measurements are measurements of movements of a head of the subject; obtain pupil position measurements, wherein the pupil position measurements are measurements of a position of a pupil in a visible part of an eye of the subject; process the head movement measurements relating to a time period to determine if the head moved in the time period; and, if the head moved in the time period, process the head movement measurements and the pupil position measurements for the time period to determine whether the subject experienced a seizure in the time period.

Abstract: A non-invasive system for calculating a human or animal score, the system including a measurement slave device constructed and arranged to carry out measurements of biological parameters; a measure slave device constructed and arranged to carry out measurements of physical parameters; a master device constructed and arranged to collect the biological and physical parameters and calculate the human or animal score, the score including biological and physical parameters.

Abstract: A falloposcope is described, and a method of screening a patient for fallopian tube and/or ovarian cancer with the falloposcope. The falloposcope can perform optical imaging, including fluorescence imaging and/or optical coherence tomography (OCT), and optionally include a channel for a sampling wire, within a diameter of about 0.7 millimeter. The method includes inserting the falloposcope through a lumen of vagina, cervix, uterus, and fallopian tube so a tip of the falloposcope is in proximity to a first fallopian tube or ovary of the patient; providing fluorescence stimulus wavelength through an illumination fiber of the falloposcope while imaging light at fluorescence emission wavelength through a coherent fiber bundle to form fluorescence emissions images; and determining suspect tissue. Then the sampling wire is used to collect cells from the suspect tissue for karyotype and other analysis.

Abstract: A computer-implemented method includes providing, by at least one computer processor, a plurality of signal channels, wherein the plurality of signal channels includes a plurality of electrical uterine monitoring signal channels and a plurality of acoustic uterine monitoring signal channels; determining, by the at least one computer processor, a plurality of channel weights, wherein each of the channel weights corresponds to a particular one of the signal channels; and generating, by the at least one computer processor, a combined uterine monitoring signal channel by calculating a weighted average of the signal channels based on the channel weight for each of the signal channels.

Abstract: The disclosed skin rash meter quantitatively measures the intensity of skin rash, the redness of skin due to the pooling of blood near the surface of skin or a jaundice condition of the skin. This is necessary to determine if the condition is getting better or worst due to the patient's condition or the patient's response to medication being used for treatment of the condition. Presently, this measurement is taken as a subjective observation by medical staff which is very unreliable. This invention measures the severity of these types of conditions and presents a number that is a repeatable scientific measurement of the severity of the condition. This measurement can be kept as a history of the severity of the condition from which a trend can be determined and decisions can be made of the correct treatment and prognosis of the condition.

Abstract: The present invention relates to an assembly, configured to detect a body on a support, comprising:—the support having a body receiving surface configured to receive the body;—an array of sensors that is arranged at a distance relative to the body receiving surface of the support and comprising:—a plurality of presence detectors;—at least one liveliness detector; and—a controller configured to detect the presence of a living person based on measurement signals of both the presence detectors and the at least one liveliness detector.

Abstract: A dressing assembly adapted to be applied on a surface of a patient's body that is susceptible to damage from soft tissue pressure. The dressing assembly includes a carrier having a skin-adhesive film, an outer cover layer overlying and adhered to the skin-adhesive film, an annular-shaped foam member between the skin-adhesive film and the outer cover layer, a cavity defined within the annular-shaped foam member, a lower foam member located within the cavity adjacent a portion of the skin-adhesive film, and a closure assembly overlying the outer cover layer. The closure assembly includes an adhesive element that releasably adheres the closure assembly to the outer cover layer to enable the closure assembly to selectively close and expose the cavity. The closure assembly has an upper form member disposed in the cavity when the closure assembly closes the cavity. A sensor unit is compressed between the lower and upper foam members.

Abstract: The disclosed physiological feedback systems and methods assist with assessing, monitoring and/or treating a patient experiencing a cardiac arrest event. The systems and methods receive multiple inputs and are continuous and/or iterative during a treatment session to provide physiological state trends of the patient. An index of the physiological state of the patient can be derived and confounders, and/or their effects, can be identified, and/or removed, from the index. Additionally, the systems and methods can assist with determining ischemic injury in a patient based on cerebral tissue oxygenation and/or other physiological data.

Abstract: A occupant detection and monitoring system has a sensor unit having a radio wave transmitter, a radio wave receiver, and a wireless transmitter configured to detect and receive vital signs of an occupant; a user interface having a microcontroller, a wireless receiver configured to receive the wireless signals transmitted from the sensor unit, a means for user input, and a network card; and a means for alerting occupants and third-parties to a triggering event; wherein the microcontroller, based upon logic, activates the alerting means at the triggering event. The sensor unit may be a camera that detects the presence of an individual and register their unique heart rhythm for identification purposes. This camera can be installed at the entry points of a home, behind the counter of a business near a cash register or at a bank or any other place that desires to use surveillance as a form of security. The sensor unit may be a light bulb that comprises the components of the sensor unit.

Abstract: The invention relates to a method and a device for providing a parameter which indicates a loss of consciousness of a patient under anesthesia. The method has the steps of: detecting (301) at least one EEG signal on the head of the patient; continuously determining (302) the spectral cut-off frequency in a current timeframe of the EEG signal; determining (303) the curve of the spectral cut-off frequency of the EEG signal in a period of time which begins before an anesthesia-inducing medication is administered and ends after the anesthesia-induced loss of consciousness is initiated; determining (304) the absolute minimum of the spectral cut-off frequency in the period of time, wherein a negative peak of the spectral cut-off frequency lies in the absolute minimum, and providing (305) information regarding at which point in time the absolute minimum was reached as a parameter for an indicative notification of the loss of consciousness of the patient.

Abstract: A method for monitoring intoxication of a user, the method including: receiving a set of samples from a body region of a user; generating an intoxication metric based on the set of samples; and providing a notification to the user based on the intoxication metric. The method can additionally or alternatively include: modifying operation of the transdermal alcohol sensing device based on the intoxication metric; determining contextual data; maintaining a hydration level of the transdermal alcohol sensing device; and any other suitable processes. A system for monitoring intoxication of a user including a sensor and a housing. The system can additionally or alternatively include any or all of: an inlet, a fastener, an electronics subsystem, a user device, and/or any other suitable component.

Abstract: An apparatus for measuring patient data includes a frame having a plurality of electrode hubs. Each hub can include one or more electrode members. The frame can be configured to receive a head of a patient. Each of the electrode hubs can have a single electrode member or a plurality of electrode members that extend from or are connected to an outer member for contacting a scalp of the head of the patient. The outer member can have at least one circuit configured to transmit data received by at least one of the electrode members to a measurement device via a wireless communication connection (e.g. Bluetooth, near field communication, etc.) or a wired communication connection.

Abstract: An initial set of parameters for operating one or more detection tools is automatically derived and subsequently adjusted so that each detection tool is more or less sensitive to signal characteristics in a region of interest. Detection tool(s) may be applied to physiological signals sensed from a patient (such as EEG signals) and may be configured to run in an implanted medical device that is programmable with the parameters to look for rhythmic activity, spiking, and power changes in the sensed signals, etc. A detection tool may be selected and parameter values derived in a logical sequence and/or in pairs based on a graphical representation of an activity type which may be selected by a user, for example, by clicking and dragging on the graphic via a GUI. Displayed simulations allow a user to assess what will be detected with a derived parameter set and then to adjust the sensitivity of the set or start over as desired.

Abstract: A medical device includes a sensor to observe a characteristic of an anatomy, and a sensor base coupled to the sensor. The medical device includes a coupling system to couple the sensor base to the anatomy. The coupling system includes a first adhesive member and a second adhesive member. The first adhesive member is coupled to the sensor base and the second adhesive member is to couple to the anatomy. The second adhesive member includes at least one cut-out to direct moisture to an ambient environment surrounding the medical device.

Abstract: A medical device includes a sensor to observe a characteristic of an anatomy, and a sensor base coupled to the sensor. The medical device includes a coupling system to couple the sensor base to the anatomy. The coupling system includes a first adhesive member and a second adhesive member. The first adhesive member is coupled to the sensor base and the second adhesive member is to couple to the anatomy. The first adhesive member includes at least one cut-out to direct moisture to an ambient environment surrounding the medical device.

Abstract: Catheters (104) with monitoring capabilities that can upload sensed or acquired data to a smart device (120) and/or a Cloud server (130). One or more sensors (106) can be located with a catheter assembly to collect data. The collected data can be processed by data analytics to analyze the data for usable information, such as to spot trends, patterns, and cause-effect relationships of the various detected conditions. The information can be viewed using an App or a web-browser dashboard or a local monitor.

Abstract: One or more embodiments of the present disclosure are directed to a catheter including a plurality of flexible catheterlets, in such an embodiment each of the catheterlets may include an electrode proximate a distal end of the catheterlet. In some more specific embodiments, one or more of the catheterlets may be free of electrodes at a distal most end.

Abstract: A present-in-bed state monitoring system (100) configured to monitor a present-in-bed state of a subject on a bed (BD) includes: a plurality of load detectors (11, 12, 13, 14) configured to be provided on the bed or under legs of the bed to detect a load of the subject; a center of gravity position calculating unit (31) configured to calculate a center of gravity position of the subject based on the detected load of the subject; a waveform output unit (32) configured to output a waveform including a respiratory waveform of the subject based on a temporal variation of the calculated center of gravity position; a center of gravity position determining unit (332) configured to determine whether or not the center of gravity position is in an edge area of the bed; a body motion determining unit (331) configured to determine whether or not the subject has a body motion based on the waveform including the respiratory waveform of the subject, the body motion being different from a respiration of the subject; and a no

Abstract: Methods and systems of catheterization include a flexible catheter adapted for insertion into a heart of a living subject. The catheter has a lumen for passing an electrically conductive fluid therethrough, which is propelled by a peristaltic pump. A fluid reservoir connected to the lumen supplies the fluid to the catheter. Electrocardiogram circuitry is connectable to the subject for monitoring electrical activity in the heart. An electrically conductive cable diverts induced charges in the fluid from the catheter electrodes, for example by shorting to a rotating element in the peristaltic pump.

Abstract: A physiological signal sensor, comprising a self-oscillating complementary split-ring resonator (SO-CSRR), a demodulator and a microcontroller (MCU). The SO-CSRR detects a physiological signal and outputs a modulated signal, the demodulator receives the modulated signal and outputs a pulse physiological signal, the baseband amplifier receives the pulse physiological signal and outputs an amplified pulse physiological signal, and the MCU receives the amplified pulse physiological signal and outputs a digital signal.

Abstract: Presented are concepts for monitoring a health status of a subject. One such concept employs determining a trend in a health parameter of the subject based input data relating to a plurality of event occurrences for the subject. One or more irregularities are detected in the determined trend and health status of the subject is then determined based on the detected irregularities.

Abstract: Described are various embodiments of non-invasive epidermal health-monitoring sensor, patch, system and method, and epidemiological monitoring and tracking system related thereto.

Abstract: A method for analysing physiological measurement values of a user is proposed. The method comprises at least one data acquisition step, wherein, during the data acquisition step, physiological measurement values of the user are acquired at different measurement times and stored in a measurement data record; at least one pattern selection step, wherein, during the pattern selection step, measurement values acquired during one comparison time interval are selected as at least one comparison pattern; and at least one pattern recognition step, wherein, during the pattern recognition step, patterns corresponding to the comparison pattern are sought after in the measurement data record.

Abstract: A method and system for dynamic signal visualization of real-time signals is provided. The method including: receiving one or more signals from one or more sensors; sampling the one or more signals at a predetermined sampling rate; determining a measure of signal quality for each of the one or more sampled signals; converting each of the measures of signal quality to a displayable visualization; displaying each of the visualizations to a user; updating at least one of the visualizations by determining the measure of signal quality for each newly received sample of the one or more sampled signals; and displaying the updated at least one visualizations to the user.

Abstract: The present disclosure relates to a system for positioning a patient on a medical device. More specifically, the present disclosure relates to a system for aligning a patient's head, spine, and shoulders for providing radiation treatment to a head and neck area of the patient.

Abstract: A device and system for supporting a patient or an object in an examination is provided. The supporting system may include a portion for supporting the body of a patient and/or a head supporting device. The portion for supporting the body may move in one or more directions. The head supporting device may be adjust to meet requirements of imaging when the patient or the object is supine or prone.

Abstract: A processor detects a surgical tool from a radiographic image acquired by irradiating a subject with radiation emitted from a radiation source and detecting the radiation transmitted through the subject with a radiation detector. The processor measures a size of the detected surgical tool on the radiographic image. The processor derives a position of the surgical tool in a height direction in the subject on the basis of an actual size of the surgical tool, the measured size, and a geometrical positional relationship between a position of the radiation source and a position of a detection surface of the radiation detector.

Abstract: A coronary vein guiding system comprises a coronary vein guiding catheter, and a flexible inner tube sheathed therein, comprising a coaxial section, an anti-bending section and a torsion control section; an end portion of the coaxial section being provided with a flexible head end; the coaxial section being connected with the anti-bending section at obtuse angle of 136°-140°; the anti-bending section being connected with the torsion control section at obtuse angle of 138°-142°; the coaxial section and the torsion control section being situated on a same side of the anti-bending section, and the three sections being located on a same plane; the flexible inner tube being 18-22 cm longer than the coronary vein guiding catheter; a head end of the flexible inner tube being in same direction as the coaxial section, a tail end of the flexible inner tube being provided with a screw joint.

Abstract: Method and/or apparatus embodiments for 3-D cephalometric analysis of a patient, acquires reconstructed volume image data from a computed tomographic scan of a patient's head including one or more dentition elements within the mouth of the patient, and computes one or more cephalometric parameters for the patient according to the reconstructed volume image data and the one or more dentition elements. One or more results generated from cephalometric analysis of the one or more computed cephalometric parameters can be stored, transmitted or displayed. The reconstructed volume image data is updated with 3D surface model from a subsequent optical scan of the patient's dentition and the one or more cephalometric parameters for the patient are re¬ computed based on the updated reconstructed volume image data.

Abstract: The present disclosure relates to fabrication and use of a phase-contrast imaging detector that includes sub-pixel resolution electrodes or photodiodes spaced to correspond to a phase-contrast interference pattern. A system using such a detector may employ fewer gratings than are typically used in a phase-contrast imaging system, with certain functionality typically provided by a detector-side analyzer grating being performed by sub-pixel resolution structures (e.g., electrodes or photodiodes) of the detector. Measurements acquired using the detector may be used to determine offset, amplitude, and phase of a phase-contrast interference pattern without multiple acquisitions at different phase steps.

Abstract: An x-ray apparatus and method can improve x-ray imaging in a variety of ways. For example, the improve x-ray apparatus can reduce scatter from x-ray images acquired by two-dimensional detectors. An improved 2D x-ray apparatus can provide 3D imaging for medical and/or industrial applications. An improved 2D x-ray apparatus and method can produce separate material imaging, and composition analysis for characterization and correlation of image, densitometry, and composition information of individual component or individual material within a single subject. Non-rotational 3D microscopy, combining 2D or 3D full field x-ray imaging and high resolution 2D or 3D x-ray microscopy or spectral absorptiometry and spectroscopy can achieve a higher resolution and wider field of view in x-ray imaging and quantitative analysis in 3D and real time. The x-ray apparatus can improve tracking and/or surgical guidance in time and/or space.

Abstract: Disclosed is an X-ray image processing apparatus including a data obtaining unit generating first to N-th images indicating an internal structure of an external subject and an image processing unit receiving the first to N-th images from the data obtaining unit, detecting a movement of the object, and generating a final image from the first to N-th images based on the movement of the object. The data obtaining unit actively controls an X-ray pulse irradiated based on the movement of the object.

Abstract: An apparatus including a memory (128), a display (122), and a processor (126). The memory is configured to store a protocol definition module (132). The processor is configured to execute the protocol definition module, which causes the processor to display, via the display, an interactive graphical tool (202) that includes a digital representation of an anatomical model with an interactively generated scan field of view superimposed thereover to create a standard scan protocol for execution by an imaging system, wherein the scan field of view identifies anatomy of the subject to scan for the scan protocol.

Abstract: A monitoring device has microphones, an ADC; a digital radio; and a processor with firmware. The firmware includes code for digitizing audio from the microphones into time-domain audio, performing FFT to provide frequency-domain audio, running a first neural network on time domain and frequency-domain audio to extract features, executing a classifier on the features to identify candidate events, and using the digital radio to upload candidate events and features. A pressure sensor awakens the processor from a low-power state. In particular embodiments, the first neural network is an embedded Gated Recurrent Unit having weights trained to extract features of use in the classifier; and candidate events include normal inhalation and exhalation breathing sounds, crackles, wheezes, coughs, snoring, gasping, choking, and speech sounds and in some embodiments heart sounds. A method of monitoring breathing during sleep includes attaching the device to, or embedding the device within, a pillow.

Abstract: According to certain described aspects, multiple acoustic sensing elements are employed in a variety of beneficial ways to provide improved physiological monitoring, among other advantages. In various embodiments, sensing elements can be advantageously employed in a single sensor package, in multiple sensor packages, and at a variety of other strategic locations in the monitoring environment. According to other aspects, to compensate for skin elasticity and attachment variability, an acoustic sensor support is provided that includes one or more pressure equalization pathways. The pathways can provide an air-flow channel from the cavity defined by the sensing elements and frame to the ambient air pressure.

Abstract: A stethoscope includes a support base; and a detection unit that is supported by the support base and detects a sound generated from an object to be measured, in which the detection unit has a piezoelectric film disposed to face the support base in at least a portion for detecting the sound generated from the object to be measured and convexly curved to a side opposite to the support base, the piezoelectric film includes a piezoelectric layer having two main surfaces facing each other, a first electrode provided on a main surface on a support base side of the two main surfaces, and a second electrode provided on a main surface on a side opposite to the support base, and a strain generated in the piezoelectric film due to the sound generated from the object to be measured is detected as a vibration signal.

Abstract: An ultrasound diagnostic apparatus of the disclosure includes a display; a probe configured to obtain image data of a cervix using ultrasound; and a controller configured to determine at least one of a cervical angle or a degree of expansion of the cervix based on the image data, to generate an ultrasound image of the cervix, and to control the display so that at least one of the determined cervical angle or the degree of expansion of the cervix is schematically displayed on the ultrasound image.

Abstract: Patient fluid management systems, particularly for use in treating patients at various stages of heart failure, are disclosed. Disclosed systems employ vascular dimension monitoring sensors to provide accurate, early, real-time estimation of circulating blood volume as an input metric to the system control, allowing for more accurate modulation of treatment based on the patient's current fluid volume state.