Cardiovascular Testing Patents (Class 600/479)
  • Patent number: 11094059
    Abstract: The present disclosure publishes a vulnerable plaque identification method. The method includes: receiving an angiocarpy image sent by a terminal device; transforming the angiocarpy image in an original Cartesian coordinate system into a polar coordinate system to form a polarization image; constructing a faster RCNN architecture and accomplishing a training; inputting the polarization image into the faster RCNN architecture accomplished the training to identify the polarization image, and outputting the image with the marked vulnerable plaques; feed backing the image with the marked vulnerable plaques to the terminal device. The present disclosure also publishes an application server and a computer readable medium. The vulnerable plaque identification method, the application server, and the computer readable medium can quickly and correctly conform the position of the vulnerable plaque.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: August 17, 2021
    Inventors: Jianzong Wang, Tianbo Wu, Lihong Liu, Xinhui Liu, Jing Xiao
  • Patent number: 11064950
    Abstract: A heart monitoring device comprises an enclosure with various sensors and components. The enclosure has a first groove on a top surface, sized to fit a phalange of a subject's right hand. When the device is held with the corresponding phalange keyed into the first groove, the device is in a proper orientation for recording the subject's heart activity. The device includes a plurality of electrodes configured to create one or more electrical circuits across a human heart. The electrodes include a right thumb electrode placed on a side of the enclosure for coupling to the subject's right thumb and an upper chest electrode and a lower chest electrode placed on a bottom surface of the enclosure for coupling to the subject's chest. The heart monitoring device also has a plurality of pulse oximeters placed in the first groove and configured to measure blood oxygen levels of the corresponding phalange.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: July 20, 2021
    Assignee: Bluue Co.
    Inventor: David Michael Deriso
  • Patent number: 11058303
    Abstract: A PPG system includes a processor configured to receive a PPG signal from a PPG sensor, the PPG signal having a plurality of pulses each representing a heartbeat of a patient. The processor is also configured to determine an amplitude variance of the plurality of pulses over a time period, determine a pulse period variance of the PPG signal over the time period, determine a cardiac stability based on a ratio of the amplitude variance and the pulse period variance, and provide an indication of the cardiac stability via a display. The amplitude variance includes an average of squared differences of an amplitude of a peak of each pulse of the plurality of pulses from a mean amplitude of the plurality of pulses over the time period, and the mean amplitude includes an average of respective midpoints of each of the plurality of pulses over the time period.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: July 13, 2021
    Assignee: Covidien LP
    Inventor: Matt Clinton
  • Patent number: 11041670
    Abstract: Provided is a refrigerator and control method for refrigerator and method for opening a refrigerator door. While a user is holding an object in both hands, a door may be automatically and additionally opened using another part of a body other than hands.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: June 22, 2021
    Assignee: LG Electronics Inc.
    Inventors: Jinsung Kim, Hongsik Kwon, Minsub Kim
  • Patent number: 11039791
    Abstract: Biometric sensor systems are provided for identifying fundamental heart rate harmonics within noisy sensor signals. The system calculates a local signal-to-noise ratio for one or more identified frequency bands received in a biometric signal. The identified frequency bands are ranked based upon the calculated local signal-to-noise ratio. The fundamental heart rate is identified based upon the ranking of the identified frequency bands.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: June 22, 2021
    Assignee: Owlet Baby Care, Inc.
    Inventor: Sean Kerman
  • Patent number: 11031136
    Abstract: The invention relates to an assistance device, an assistance system and an assistance method for assisting a practitioner in an interventional hemodynamic (e.g fractional flow reserve (FFR)) measurement on a subject. The FFR pressure measurements are combined with an, for example, angiography-based assessment of the coronary vessel geometry. An advanced computational fluid dynamics model may be employed to add flow and myocardial resistance data based on the interventional pressure values and on a vascular model generated prior to the intervention. In case that these data are available prior to the intervention, the location of most optimal positions for pressure measurements can be pre-calculated and by overlay of the vessel tree, for example, on the X-ray projection, advice can be given for the interventional cardiologist during the intervention.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: June 8, 2021
    Inventors: Michael Grass, Christian Haase, Peter Maria Johannes Rongen, Roland Wilhelmus Maria Bullens, Arjen Van Der Horst
  • Patent number: 11023946
    Abstract: A health information system includes a health information data storage machine and a healthcare analytics processor configured to extract healthcare related commentary of healthcare consumers from a social media data storage machine and match portions of the healthcare related commentary to health information of the social media commentators in a combined health information data source. The healthcare analytics processor identifies relationships between consumer sentiment expressed in the social media information and consumer experiences, product usage, diagnoses and outcomes recorded in the health information. Benchmarks and measures of healthcare outcomes and treatments are generated based on matching consumer commentary and consumer sentiments with corresponding indications of actual healthcare experiences of the commentator recorded in the health information.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: June 1, 2021
    Inventors: Matthew Nichols, Genesis Christiansen, David Sam, Benjamin Bublitz, Jesen Surjadi, Mushir Ahmed Basheer
  • Patent number: 10993627
    Abstract: A device and method to obtain accurate blood pressure measurement without a cuff, using a plurality of PPG sensors, in a non-clinical setting; that is, without the measurement being administered by a medically trained person. Unique and novel elements make this possible by eliminating the confounding effects of gravity in cases where the lay user is not careful to position the device at a specific or consistent elevation relative to that of the heart.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: May 4, 2021
    Inventor: James Eric Dotter
  • Patent number: 10932677
    Abstract: Methods, systems, and storage media relating to a circulatory health monitor device are disclosed herein. In an embodiment, such a device may be positioned or disposed on and/or in contact with a subject to measure blood pressure and/or heart rate. The device may include one or more electrocardiographic (ECG) signal sensors, one or more photoplethysmographic (PPG) sensors, and a controller. The controller may activate at a low resolution a PPG measurement of the subject in relation to an ECG signal feature to identify a PPG signal feature location or region in the PPG measurement. The controller may further activate at a high resolution PPG measurement of the subject at the PPG signal feature region to identify the PPG signal feature, and may determine blood pressure and/or heart rate therefrom. Other embodiments may be disclosed and/or claimed.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: March 2, 2021
    Assignee: Intel Corporation
    Inventors: Amit S. Baxi, Apoorv Vyas, Sanika Phatak, Krishna P. Bhat D.
  • Patent number: 10902599
    Abstract: The disclosure relates, in part, to computer-based visualization of stent position within a blood vessel. A stent can be visualized using intravascular data and subsequently displayed as stent struts or portions of a stent as a part of a one or more graphic user interface(s) (GUI). In one embodiment, the method includes steps to distinguish stented region(s) from background noise using an amalgamation of angular stent strut information for a given neighborhood of frames. The GUI can include views of a blood vessel generated using distance measurements and demarcating the actual stented region(s), which provides visualization of the stented region. The disclosure also relates to display of intravascular diagnostic information such as indicators. An indicator can be generated and displayed with images generated using an intravascular data collection system. The indicators can include one or more viewable graphical elements suitable for indicating diagnostic information such as stent information.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: January 26, 2021
    Assignee: LightLab Imaging, Inc.
    Inventors: Sonal Ambwani, Christopher E. Griffin, James G. Peterson, Satish Kaveti, Joel M. Friedman
  • Patent number: 10863904
    Abstract: The invention relates to a recording device (10) comprising a scan head carrier (18) for moving the scan head (20) across a scan area (42) of a cavity, the scan area (42) extending around the scan head (20). A flat or film-like, elastically stretchable material extends between the scan head (20) and the scan area (42), which material can be pressed against the scan area (42) in a balloon (12)-type manner using overpressure. The scan head guide (18) passes through the balloon outlet (16) of the balloon (12) towards the scan head (20). In particular, a control device (44) determines the shape of the cavity (40) against which the material is pressed, from deformation of the material when applying said overpressure. A second extraoral scanning head (43) scans deformations during pressurization of the film-like material.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: December 15, 2020
    Assignee: Ivoclar Vivadent AG
    Inventors: Gottfried Rohner, Ronny Watzke, Theresa Senti, Antonio Ferilli
  • Patent number: 10856817
    Abstract: The present invention relates to a device and a method for detecting a feature of an arterial blood pressure (ABP) waveform. The feature detecting method of an ABP waveform according to an exemplary embodiment of the present invention includes: searching a peak and a trough; detecting a systolic peak based on a time interval between a peak and a neighboring peak and an average pressure value; detecting a pulse onset with respect to a trough directly before the systolic peak; extracting a candidate of a dicrotic notch based on a magnitude of the systolic peak and a measurement time; detecting a point having a lowest pressure value among candidates of the dicrotic notch as a dicrotic notch and detecting a dicrotic peak based on the dicrotic notch; and classifying the detected dicrotic notches into a normal notch and a transient notch.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: December 8, 2020
    Assignee: Korea University Research and Business Foundation
    Inventor: Dong-Joo Kim
  • Patent number: 10856749
    Abstract: A monitoring device includes a biasing element having opposite first and second end portions, an earbud attached to the biasing element first end portion, and a sensing element attached to the biasing element second end portion. The earbud has a first mass, and the sensing element has a second mass that is less than the first mass. The biasing element is configured to urge the sensing element into contact with a portion of the ear when the earbud is inserted into the ear. The biasing element decouples motion of the earbud from the sensing element. The sensing element includes at least one energy emitter configured to direct energy at a target region of the ear and at least one detector configured to detect an energy response signal from the target region or a region adjacent the target region.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: December 8, 2020
    Assignee: Valencell, Inc.
    Inventors: Steven Matthew Just, Jesse Berkley Tucker, Robert Splinter, Steven Francis LeBoeuf
  • Patent number: 10849556
    Abstract: An apparatus includes a band configured to attach a physical activity measurement device to a human body, and electroactive material comprised in the band. The electroactive material is configured to change at least one of size and shape of the band in response to an electric input from the physical activity measurement device to the electroactive material.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: December 1, 2020
    Assignee: POLAR ELECTRO OY
    Inventors: Lauri Lumme, Olli Komulainen
  • Patent number: 10849535
    Abstract: A surgical elevator has an oximeter sensor at its tip, which allows measuring of oxygen saturation of a tissue.
    Type: Grant
    Filed: August 19, 2008
    Date of Patent: December 1, 2020
    Assignee: ViOptix, Inc.
    Inventors: Jimmy Jian-min Mao, Robert E. Lash
  • Patent number: 10820815
    Abstract: A biological information detecting device includes at least one light emitting section, a first light receiving section, a second light receiving section, and a processing section configured to acquire biological information on the basis of at least one a first detection signal acquired from the first light receiving section and a second detection signal acquired from the second light receiving section. The processing section switches an operation mode to one of a first operation mode for acquiring the biological information on the basis of the first detection signal and the second detection signal and a second operation mode for acquiring the biological information on the basis of one detection signal of the first detection signal and the second detection signal.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: November 3, 2020
    Assignee: Seiko Epson Corporation
    Inventor: Yusuke Takahashi
  • Patent number: 10806356
    Abstract: A method for determining a heart rate (HR) using an infrared rays (IR) sensor and an electronic device is provided. An image is received using an IR sensor, at least one region of interest (ROI) for measuring the HR is determined in the received image, and the HR is determined based on the at least one determined ROI.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: October 20, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Donghyun Lee, Dongwook Kim, Jinhee Won, Jaesung Lee, Jongmin Choi, Taeho Kim, Jeongmin Park, Seungeun Lee
  • Patent number: 10765407
    Abstract: An ultrasound diagnosis apparatus includes an ultrasound transducer, an evaluation value acquisition unit, a determination unit, and an output unit. The evaluation value acquisition unit obtains an evaluation value for evaluating the function of tissue including a predetermined site based on biological information acquired for a predetermined period of time by the ultrasound transducer. The determination unit determines whether the function of the tissue is abnormal based on the evaluation value. The output unit outputs information based on a result of determination by the determination unit.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: September 8, 2020
    Assignee: Canon Medical Systems Corporation
    Inventors: Hitoshi Yamagata, Yasuhiko Abe
  • Patent number: 10736575
    Abstract: The disclosure provides a heart rate monitor (HRM) circuit. The HRM circuit includes an analog front end (AFE). The AFE receives a Photoplethysmographic (PPG) signal, and generates a fine PPG signal. A motion cancellation circuit is coupled to the AFE, and receives the fine PPG signal and an accelerometer signal. The motion cancellation circuit subtracts the accelerometer signal from the fine PPG signal to generate a coarse heart rate. A peak detector is coupled to the motion cancellation circuit and the AFE, and generates an instantaneous heart rate. A filter is coupled to the peak detector, and generates an estimated heart rate from the instantaneous heart rate, the estimated heart rate is provided as a feedback to the peak detector.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: August 11, 2020
    Inventors: Sarma Sundareswara Gunturi, Sunil Chomal
  • Patent number: 10729381
    Abstract: A photoplethysmogram system includes a plurality of sensors, each sensor capable of providing a sensor signal, and an adaptive filter capable of receiving a first input signal and computing an output. The photoplethysmogram system is capable of operating the filter in sequential stages, such that at each different stage the first input signal is a different sensor signal.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: August 4, 2020
    Inventors: Tarkesh Pande, David Patrick Magee
  • Patent number: 10726546
    Abstract: A network is machine trained to estimate flow by spatial location based on input of anatomy information. A medical scan of tissue may be used to generate flow information without the delay or difficulty of performing a medical scan configured for flow imaging or CFD. Anatomy imaging is used to provide flow estimates with the speed provided by the machine-learned network.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: July 28, 2020
    Assignee: Siemens Healthcare GmbH
    Inventors: Viorel Mihalef, Saikiran Rapaka, Yefeng Zheng, Puneet Sharma
  • Patent number: 10702211
    Abstract: An integrated window for a photosensor for use in an electronic device has first and second transparent regions separated by an opaque region. The first transparent region allows a transmitter to emit light out of the housing of the electronic device and the second transparent region allows a receiver to receive light through the housing. The opaque region is disposed between the first and second transparent regions to isolate them from one another such that the transmitted light is isolated from the received light.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: July 7, 2020
    Assignee: Apple Inc.
    Inventors: Adam T. Clavelle, Maegan K. Spencer, Jaden Alyssa Barney, Dale N. Memering, Ueyn L. Block, Paul D. Mannheimer
  • Patent number: 10674923
    Abstract: Provided according to embodiments of the invention are methods of monitoring the direction of blood flow that include processing with a computer photoplethysmography (PPG) signal streams from a sensor array on a body site of the individual to determine the direction and/or velocity of the blood flow at the body site of the individual. In some embodiments, direction of the blood flow at the body site is determined by the phase difference between at least three PPG signal streams from the sensor array, wherein the at least three PPG signal streams are generated from emissions of the at least three emitters.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: June 9, 2020
    Inventors: Richard J. Melker, Sean Cohen
  • Patent number: 10632312
    Abstract: Disclosed herein are portable and integrated modules and devices for non-intrusive neuromodulation and monitoring of heart function, and methods of operation thereof. The modules and devices include a monitoring unit, an electrical stimulation inducing unit, and three electrodes, such that one of the electrodes is dual-function, being controllably utilized for neuromodulation or for monitoring of heart function.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: April 28, 2020
    Inventor: Amos Ziv
  • Patent number: 10623707
    Abstract: A system (100) for use in retinal image projection comprising at least first (130) and second (140) image projecting units and an eye projection optical module (120). The projecting units (130, 140) are configured to project at least first and second image portions respectively. The eye projection optical module (120) is optically coupled to the image projecting units (130, 140) and is configured to combine optical paths of projection of the at least first (130) and second (140) image projecting units along a general optical path to project a combined image of the first and second image portions on a retina (12, 14) of a user's eye (10).
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: April 14, 2020
    Assignee: EYEWAY VISION LTD.
    Inventor: Boris Greenberg
  • Patent number: 10617473
    Abstract: A system for estimating post-virtual stenting fractional flow reserve (FFR) capable of: receiving geometrical parameters of a blood vessel segment, the geometrical parameters comprising first, second and third geometrical parameters; with a proximal end as a reference point, deriving a reference lumen diameter function and calculating a pre-virtual stenting percent diameter stenosis based on the above geometrical parameters and the distance from position along the segment to the reference point; receiving a virtual stenting location; calculating a geometrical parameter of a virtual lumen of the post virtually-stented segment, deriving a post-virtual stenting geometrical parameter difference function and calculating a percent diameter stenosis based on the third geometrical parameter, the virtual stenting location and the reference lumen diameter function; taking derivative difference functions of the post-virtual stenting geometrical parameter difference function in multiple scales; and obtaining FFR based on
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: April 14, 2020
    Inventors: Shengxian Tu, Miao Chu, Bo Xu, Bing Liu, Yazhu Chen
  • Patent number: 10588586
    Abstract: A system and method includes reception of a first image of a blood vessel, reception of a second image of the blood vessel, determination of a first size of a region of the blood vessel based on the first image, determination of a second size of the region of the blood vessel based on the second image, and calculation of a parameter of the blood vessel based on the first size and the second size.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: March 17, 2020
    Assignee: Siemens Healthcare GmbH
    Inventor: Hongxuan Zhang
  • Patent number: 10575737
    Abstract: An OCI medical device includes a coherent light source, a light sensor, a first processing unit adapted to calculate OCI Data from the light sensor, a control unit which allows taking or loading of at least one Reference OCI Value, a second processing unit adapted to calculate the Intra-Individual Relative Assessment of the OCI Data of an Imaging Zone and the at least one OCI Reference Value, and display means adapted to show at least one Relative OCI Value. Uses and a method for assessing the blood flow of a body region use OCI imaging and include an Intra-Individual Relative Assessment between OCI Data of the Imaging Zone and at least one Reference OCI Value.
    Type: Grant
    Filed: April 25, 2013
    Date of Patent: March 3, 2020
    Assignee: Novadaq Technologies ULC
    Inventors: Marc Andre, Michael Friedrich, Tyler Thacher, Andrey Naumenko, Romain Farkas
  • Patent number: 10552986
    Abstract: Embodiments of the present disclosure include receiving a sequence of images of a face of a user. A three-dimensional (3D) model of the face is generated and 3D facial points associated with flat facial surfaces are determined. The 3D facial points are projected onto a screen coordinate plane to produce a two-dimensional (2D) facial points. A hue is determined for each pixel associated with each of the 2D facial points in each image. A mean hue value is determined for each image. A spectral representation of a variation in each mean hue value across the sequence of images is determined. A frequency of a main hue is determined based on a largest weight of the variation in each mean hue value. A heart rate of the user is determined based on facial blood circulation according to the frequency of the main hue, and an activity recommendation is displayed.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: February 4, 2020
    Assignee: Banuba Limited
    Inventors: Viachaslau Arkhipau, Yury Hushchyn, Aliaksei Sakolski, Dzmitry Kachatkou
  • Patent number: 10551312
    Abstract: An optical sensor includes light sources configured to emit light, a substrate on which the light sources are mounted, the substrate comprising holes in regions on which the light sources are mounted, and a first photodetector configured to receive a first light emitted from a front surface of each of the light sources, the first light being reflected or scattered from an object. The optical sensor further includes at least one second photodetector configured to receive a second light emitted from a rear surface of each of the light sources, the second light passing through the holes corresponding to the light sources.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: February 4, 2020
    Inventors: Hyeong Seok Jang, Jae Wook Shim, Hyun Seok Moon, Hyo Sun Hwang
  • Patent number: 10548533
    Abstract: A method and system for removing corruption in photoplethysmogram (PPG) signals for monitoring cardiac health of patients is provided. The method is performed by extracting photoplethysmogram signals from the patient, detecting and eliminating corruption caused by larger and transient disturbances in the extracted photoplethysmogram signals, segmenting photoplethysmogram signals post detection and elimination of corruption caused by larger and transient disturbances, identifying of inconsistent segments from the segmented photoplethysmogram signals, detecting anomalies from the identified inconsistent segments of the photoplethysmogram signals, analysing the detected anomalies of the photoplethysmogram signals and identifying photoplethysmogram signal segments corrupted by smaller and prolonged disturbances.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: February 4, 2020
    Assignee: Tata Consultancy Services Limited
    Inventors: Arijit Ukil, Soma Bandyopadhyay, Chetanya Puri, Arpan Pal, Kayapanda Mandana
  • Patent number: 10531923
    Abstract: Embodiments include a system for determining cardiovascular information for a patient. The system may include at least one computer system configured to receive patient-specific data regarding a geometry of the patient's heart, and create a three-dimensional model representing at least a portion of the patient's heart based on the patient-specific data. The at least one computer system may be further configured to create a physics-based model relating to a blood flow characteristic of the patient's heart and determine a fractional flow reserve within the patient's heart based on the three-dimensional model and the physics-based model.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: January 14, 2020
    Assignee: HeartFlow, Inc.
    Inventor: Charles A. Taylor
  • Patent number: 10524736
    Abstract: The medical system and method detect arrhythmic events. The medical system includes at least one processor programmed to perform the method. A photoplethysmogram (PPG) signal generated using a PPG probe positioned on or within a patient and a pulse signal generated using an accelerometer positioned on or within the patient received. Features from the PPG signal are extracted to PPG feature vectors, and features are extracted from the pulse signal to pulse feature vectors. The PPG feature vectors are correlated with the pulse feature vectors, and correlated PPG feature vectors and correlated pulse feature vectors are evaluated to detect arrhythmic events.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: January 7, 2020
    Inventor: Brian David Gross
  • Patent number: 10529071
    Abstract: A facial skin mask may be generated based on isolating a head part in a captured image, removing a first pixel that is indicative of non-skin from the head part in the captured image, and removing a second pixel that is indicative of having a high velocity from the head part in the captured image. Heart rate may be detected based on the change of color of the pixels of the generated facial skin mask.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: January 7, 2020
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Beibei Cheng, Benjamin William Walker, Jonathan Ross Hoof, Daniel Kennett, Anis Ahmad
  • Patent number: 10404776
    Abstract: A method for extending a functionality of a computing device programmed to obtain physiological measurements from a patient includes: registering, at the computing device, a plug-in module, the plug-in module providing additional functionality for the computing device; using the plug-in module to communicate with a medical device; commanding the medical device to obtain physiological information from a patient; receiving data associated with the physiological information from the medical device; and transferring the data to a central repository.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: September 3, 2019
    Assignee: Welch Allyn, Inc.
    Inventors: John H. Irwin, Marshall W. Magee, Mark E. Pingel, Gary L. Arnold, David D. Gamble, David E. Rynkiewicz, Michael D. Hoch, James M. Robinson, Matthew J. Bobowski
  • Patent number: 10390768
    Abstract: Devices, systems, and methods for visually depicting a vessel and evaluating treatment options are disclosed.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: August 27, 2019
    Assignees: Volcano Corporation, Imperial College of Science, Technology and Medicine
    Inventors: David Anderson, Justin Davies
  • Patent number: 10388012
    Abstract: Provided is an image processing apparatus configured to process an image of a fundus of an eye, which is capable of simply and accurately measuring a distribution of cells that form a blood vessel wall of an eye. The image processing apparatus includes: an image acquiring unit configured to acquire an image of an eye; a vessel feature acquiring unit configured to acquire membrane candidate points that form an arbitrary wall of a blood vessel based on the acquired image; and a cell identifying unit configured to identify a cell that forms the wall of the blood vessel based on the membrane candidate points.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: August 20, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hiroshi Imamura
  • Patent number: 10376157
    Abstract: A patient monitoring system may receive a physiological signal such as a photoplethysmograph (PPG) signal that exhibits frequency and amplitude modulation based on respiration. A phase locked loop may generate a frequency demodulated signal and an amplitude demodulated signal from the PPG signal. An autocorrelation sequence may be generated for each of the frequency demodulated signal and the amplitude demodulated signal. The autocorrelation sequences may be combined and respiration information may be determined based on the combined autocorrelation sequence.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: August 13, 2019
    Inventors: James Dripps, James Ochs, Paul S. Addison
  • Patent number: 10339363
    Abstract: Provided are apparatuses and methods using an optical speckle. An apparatus may include a light source configured to emit coherent light to an object and an imaging device configured to photograph a speckle pattern generated on the object by the coherent light. The apparatus may also include a processor having a function of determining whether the object is a living body or a non-living body by measuring a contrast of the speckle pattern. The processor may be configured to determine whether the object is a living body or not by comparing the contrast of the speckle pattern with a threshold contrast or a reference contrast previously registered by a user. The apparatus may be used by being applied to a fingerprint recognition system.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: July 2, 2019
    Inventors: Jaesoong Lee, Byoungho Lee, Youngmo Jeong
  • Patent number: 10328202
    Abstract: Methods and systems are provided for determining fluid administration. The system may determine fluid administration based on the fluid responsiveness and regional oxygen saturation of a subject. The system may receive the fluid responsiveness and regional oxygen saturation from external sources or may determine one or both based on received physiological signals. In some embodiments, the system may determine whether to administer fluid based on the fluid responsiveness and regional oxygen saturation. In some embodiments, the system may determine the amount of fluid to administer based on the fluid responsiveness and regional oxygen saturation. In some embodiments, the system may determine the effectiveness of fluid administration. In some embodiments, the system may provide an indication of the determined fluid administration so that a care-giver can implement the appropriate fluid administration. In some embodiments, the system may control the fluid administration based on its determination.
    Type: Grant
    Filed: January 25, 2016
    Date of Patent: June 25, 2019
    Assignee: Covidien LP
    Inventors: Peter Doyle, Paul S. Addison, James N. Watson
  • Patent number: 10307096
    Abstract: Provided is a biometric state determining method and apparatus. The biometric state determining apparatus may be configured to receive body data and biometric data of a user, and calculate a stress level based on an analysis of the received biometric data. The biometric state determining apparatus may calculate a biometric parameter based on a determined correlation between the calculated stress level and the received body data, and determine a biometric state of the user based on an analysis of the calculated biometric parameter.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: June 4, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Younho Kim, Seungwoo Noh, Sangyun Park
  • Patent number: 10271746
    Abstract: A method of photoplethysmography includes processing a signal based on at least one signal from at least one sensor arranged to capture light from a living subject to extract information on a characteristic of a periodic biological phenomenon. At least one of the signals from at least one sensor is obtained via sensing radiation as to a peak in an absorption spectrum of water.
    Type: Grant
    Filed: October 4, 2010
    Date of Patent: April 30, 2019
    Inventors: Vincent Jeanne, Giovanni Cennini, Ihor Olehovych Kirenko
  • Patent number: 10264961
    Abstract: A method for visualizing a membrane on a retina of an eye includes recording a first image of the retina of the eye, wherein the membrane on the retina of the eye is not stained, recording a second image of the retina of the eye after the membrane on the retina of the eye has been stained, determining a first transformation such that mutually corresponding structures of the retina of the eye are located at mutually corresponding places in the second image and in the first image which was transformed with the first transformation, identifying image regions in the second image, which contain the membrane on the retina, based on the transformed first image and the recorded second image, and displaying the second image such that the identified image regions in the second image are highlighted relative to the surroundings of the identified image regions.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: April 23, 2019
    Assignee: Carl Zeiss Meditec AG
    Inventors: Abouzar Eslami, Corinna Maier-Matic, Falk Hartwig, Christine Kochwagner, Stefan Duca
  • Patent number: 10262123
    Abstract: A multimodal biometric authentication system utilizes a bulk absorption characteristic of human tissue that is measurable using a photoplethysmography (PPG) sensor. One disclosed method of operation includes extracting bulk absorption features from biometric data obtained using a PPG sensor and generating a first biometric template. Additional biometric features are also extracted from biometric data obtained using a second biometric sensor and a second biometric template is also generated. An authentication output signal is provided in response to the first biometric template matching a first stored corresponding enrolled biometric template and the second biometric template matching a second stored corresponding enrolled biometric template.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: April 16, 2019
    Assignee: Motorola Mobility LLC
    Inventors: James Ashley, Paul Christian, Julius Gyorfi
  • Patent number: 10238345
    Abstract: A biological information processing device includes an image input unit that inputs image data, a selection unit, an estimation unit, a detection unit, and an output unit. The selection unit selects image ranges of processing targets from the input image data. The estimation unit estimates pulse rates of the processing targets corresponding to the image ranges on the basis of image data of the selected image ranges of the processing targets. The detection unit performs relative comparison between the estimated pulse rates of the processing targets and thus detects a target which will possibly be abnormal or a target requiring special attention. The output unit outputs information regarding the detected target which will possibly be abnormal or the detected target requiring special attention.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: March 26, 2019
    Inventors: Tsuyoshi Nakamura, Tadanori Tezuka, Masatoshi Matsuo, Yoshinori Kumamoto
  • Patent number: 10232177
    Abstract: Devices, systems and methods are disclosed that allow a patient to self-treat a medical condition, such as migraine headache, by electrical noninvasive stimulation of a vagus nerve. The system comprises a handheld stimulator that is applied to the surface of the patient's neck, wherein the stimulator comprises or is joined to a smartphone. A camera of the smartphone may be used to position and reposition the stimulator to a particular location on the patient's neck. The system may also comprise a base station that is used to meter the charging of a rechargeable battery within the stimulator. The base station and stimulator transmit data to one another regarding the status of a stimulation session.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: March 19, 2019
    Assignee: Electrocore, LLC
    Inventors: Joseph P. Errico, Steven Mendez, Bruce J. Simon
  • Patent number: 10223937
    Abstract: The present invention is a method and system of determining and collecting data such as, location, weather, temperature, and time to users of a mobile devices. Mobile devices such as smart phones, tablets, internet computers, and other hand held mobile devices may be ideal for tracking historical data based upon a user's activities and previous locations. The affiliations are determined based upon travel of wearable devices as tracked by Internet services and activation of the system by the user. In one example, the user may tap the wearable device causing a software system to analyze data associated to locations and conditions visited by the user. Furthermore, the system may even be enhanced by use of features tailored to train the user on improving how they perform various hobbies such as fishing.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: March 5, 2019
    Inventor: Jesse Pacchione
  • Patent number: 10172564
    Abstract: A apparatus for detecting a biological data of a target patient from an attachable sensor attached to the target patient includes a circuit and a storage that stores therein a first correspondence relationship between a state of a battery included in the sensor and a measurement error of the sensor. The circuit obtains the biological data and battery data indicating the state of the battery, the obtained biological data and the obtained battery data being collected by the sensor, and generates corrected biological data by correcting the biological data according to the battery data, wherein the generating of the corrected biological data includes generating correction data that depends on the battery data by referring to the storage that stores the first correspondence relationship, and generating the corrected biological data by correcting the biological data using the correction data.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: January 8, 2019
    Assignee: Olympus Corporation
    Inventors: Mitsunori Kubo, Nobuyuki Watanabe, Takatsugu Konno
  • Patent number: 10172528
    Abstract: This disclosure relates generally to biomedical signal processing, and more particularly to method and system for physiological parameter derivation from pulsating signals with reduced error. In this method, pulsating signals are extracted, spurious perturbations in the extracted pulsating signals are removed for smoothening, local minima points in the smoothened pulsating signal are derived, systolic maxima point between two derived local minima are derived, most probable pulse duration and most probable peak-to-peak distance are derived, dicrotic minima is removed while ensuring that every dicrotic minima is preceded by a systolic maxima point and followed by a beat start point of said systolic maxima, diastolic peak is derived while ensuring that every dicrotic maxima is preceded by a diastolic notch followed by next beat start point of that maxima, and physiological parameters are derived from the derived local minima points, systolic maxima points, dicrotic notch and diastolic peak.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: January 8, 2019
    Assignee: Tata Consultancy Services Limited
    Inventors: Soma Bandyopadhyay, Arijit Ukil, Chetanya Puri, Rituraj Singh, Arpan Pal, C A Murthy, Kayapanda Mandana
  • Patent number: 10176566
    Abstract: The invention relates to a new method for determining the change in length of a stent which will occur after it has been implanted inside a vascular structure. Said determining process is carried out based on the relationship between said change in length and the morphological characteristics of the vascular structure of interest.
    Type: Grant
    Filed: October 3, 2014
    Date of Patent: January 8, 2019
    Inventor: Ignacio Larrabide