And Other Cardiovascular Parameters Patents (Class 600/324)
  • Patent number: 11452458
    Abstract: A method (200) of deriving systolic blood pressure and/or diastolic blood pressure of a subject is disclosed. The method comprises: (i) receiving (202) data related to at least one cardiac cycle of a bio-signal from the subject; (ii) calculating (208) a rise time and a fall time of the at least one cardiac cycle based on the received data; (iii) calculating (208) a parameter derived from a function of the rise time and fail time; and (iv) determining (210) the systolic blood pressure and/or diastolic blood pressure of the subject based on the calculated parameter. A related apparatus is also disclosed.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: September 27, 2022
    Inventors: Visit Thaveeprungsriporn, Somchai Baotong, Srisuda Aphaipanan, Amornsri Khitwongwattana
  • Patent number: 11445922
    Abstract: In one aspect, a photoplethysmograph system to measure a user's heart rate includes one or more light-emitting diodes (LED) that provide a constantly-on light signal during a measurement period. The one or more light-emitting diodes are in optical contact with an epidermal surface of the user. The one or more light-emitting diodes emit a light signal into the tissue of the user, and wherein the tissue contains a pulsating blood flow. A light-intensity sensor circuit converts the reflected LED light from the tissue into a second signal that is proportional to a reflected light intensity. The second signal includes a voltage or current signal. A computer-processing module calculates the user's beat-to-beat heart rate from the second current signal.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: September 20, 2022
    Assignee: TERUMO KABUSHIKI KAISHA
    Inventor: Reza Naima
  • Patent number: 11412974
    Abstract: An information processing apparatus includes a selection unit. The selection unit selects whether to calibrate biological information of a user in accordance with designation by the user. When the selection unit selects no calibration in accordance with designation by the user, the biological information is associated with a specific state of the user under a predetermined condition.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: August 16, 2022
    Assignee: Agama-X Co., Ltd.
    Inventors: Kengo Tokuchi, Kosuke Aoki, Mai Suzuki, Kiyoaki Okamoto, Naoki Okamoto, Koji Bito, Takayuki Nakamura, Kenji Akiba
  • Patent number: 11412934
    Abstract: The invention relates to a method of the noninvasive optical in-vivo measurement of properties of flowing blood in a blood vessel within a body, for example for determining the concentration of blood constituents, wherein the body is irradiated with ultrasound radiation at an ultrasound frequency (fUS) in order to label a blood vessel, the body with the blood vessel is illuminated with light with at least one light wavelength and the back-scattered light is detected with a detector, the light component backscattered by the body outside of the blood vessel is modulated by a frequency (fMG) that corresponds to the frequency (fUS) of the ultrasound radiation, and the light component backscattered inside the blood vessel is modulated due to the Doppler effect in flowing blood with a frequency (fMB) that is shifted by the Doppler shift (fD) with respect to the frequency (fUS) of the ultrasound radiation, and an evaluation device extracts the signal component modulated by the shifted frequency (fMB) from the detect
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: August 16, 2022
    Assignee: NIRLUS ENGINEERING AG
    Inventor: Vera Herrmann
  • Patent number: 11406291
    Abstract: The application discloses a method for monitoring a user gesture and a wearable device. The method comprises: providing an inertial sensor in a wearable device, the wearable device being located on the head of a user when being worn; monitoring movement data of the head of the user in real time, by using the inertial sensor, when the user is wearing the wearable device; conducting gesture solving by using the movement data to obtain gesture data of the head of the user; determining whether a head gesture of the user is a correct gesture according to the gesture data and a preset strategy; and sending a reminder to the user when the head gesture of the user is an incorrect gesture.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: August 9, 2022
    Assignee: Goertek Inc.
    Inventors: Yifan Zhang, Fuli Xie
  • Patent number: 11389112
    Abstract: An electronic device is described herein that may include various components, including a band, a physiological sensor, a feedback sensor, a processor, a display, or a power source. The band may be shaped to fit around at least a portion of a body part of a user. The physiological sensor may include two separated by a fixed distance such that at least a portion of a signal transmitted by a first sensor is transmitted through a muscular-walled tube of the body part before being received by a second sensor. The processor may be operable to determine a physiological condition based on the signal received by the second physiological sensor. The physiological sensor may be embedded in the band. The band may be comprised of a flexible material. The feedback sensor may measure a pressure at which the band is held against the body part.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: July 19, 2022
    Inventors: David R. Miller, Jeffrey Lee, Federico Calero, Trevor Calero, Devin W. Miller
  • Patent number: 11383083
    Abstract: A method of providing a sleep apnea nerve stimulation therapy to a subject may include detecting a respiratory waveform of the subject with a sensor. The sensor may be configured for coupling to the subject. The respiratory waveform may include a plurality of respiratory cycles each corresponding to at least one of a breath and an attempted breath of the subject. The method may also include identifying a breathing pattern within the respiratory waveform over a period of time. The breathing pattern may include a repeating pattern of a plurality of respiratory cycles followed by at least one respiratory cycle corresponding to a disordered breathing event. The method may also include generating a series of stimulation pulses with an implantable nerve stimulator configured for coupling to a hypoglossal nerve of the subject. The series of stimulation pulses may be coordinated with the breathing pattern.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: July 12, 2022
    Assignee: LivaNova USA, Inc.
    Inventor: Stephen L. Bolea
  • Patent number: 11333464
    Abstract: A detector for detecting the removal and/or insertion of a firearm out of and/or into a holster. The detector may transmit a message each time the firearm is removed from the holster. A recording system may receive the message and determine whether or not it will begin recording the data it captures. A detector may detect the change in a magnitude of an inductance and/or an impedance of a circuit to detect insertion and removal of the firearm into and out of the holster. The holster is configured to couple to the detector to position the detector to detect insertion and removal of the firearm. An adhesive tape may couple a detector to a holster.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: May 17, 2022
    Assignee: Axon Enterprise, Inc.
    Inventors: Daniel J. Wagner, Nache D. Shekarri, Jonathan R. Hatcher, John W. Wilson, Andrew G. Terajewicz, Lucas Kraft, Brian Piquette, Zachary B. Williams, Elliot W. Weber, Jason W. Haensly
  • Patent number: 11317820
    Abstract: A health monitoring unit includes a hardware processor, a memory, a display, and a graphical user interface (GUI) stored in the memory. The GUI is executed by the processor to provide a selection screen enabling a user to select parameters for viewing on the display from among health parameters of a living subject being tracked by the health monitoring unit. The GUI also presents a main screen showing the parameters selected by the user, the main screen including an icon for communicating a hypotension probability index (HPI) status of the living subject. In addition, the GUI overlays an alarm screen as a pop-up on the display if the HPI of the living subject satisfies a predetermined risk criteria, and enables the user to access an HPI diagnostic screen showing values for a subset of the health parameters identified as predictive of a future hypotension event for the living subject.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: May 3, 2022
    Assignee: Edwards Lifesciences Corporation
    Inventors: Feras Al Hatib, Peter James Ifft
  • Patent number: 11317817
    Abstract: The invention provides a system and method for measuring vital signs (e.g. SYS, DIA, SpO2, heart rate, and respiratory rate) and motion (e.g. activity level, posture, degree of motion, and arm height) from a patient. The system features: first and second sensors configured to independently generate time-dependent waveforms indicative of one or more contractile properties of the patient's heart; and a cuff-based oscillometric module. A processing component, typically worn on the patient's body and featuring a microprocessor, receives the time-dependent waveforms generated by the different sensors and processes them to determine patient-specific calibration values for use in a continuous blood pressure measurement based on pulse wave velocity (PWV).
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: May 3, 2022
    Assignee: SOTERA WIRELESS, INC.
    Inventors: Devin McCombie, Guanqun Zhang
  • Patent number: 11314615
    Abstract: A non-transitory computer-readable recording medium stores therein an analysis program for causing a computer to execute a process including: acquiring information capable of identifying functions in operation which is obtained by a sampling by a plurality of operating systems at each first time interval with respect to programs in operation; totaling a number of pieces of the acquired information for each function; generating time-series data indicating the number of pieces of the information at each second time interval for the function whose number of pieces of the information satisfies a prescribed condition; analyzing a causal relationship between the functions based on the time-series data; and outputting an analysis result of the causal relationship between the functions.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: April 26, 2022
    Assignee: FUJITSU LIMITED
    Inventor: Masao Yamamoto
  • Patent number: 11298029
    Abstract: Embodiments of the present disclosure provide a blood pressure measuring method, a blood pressure measuring apparatus, an electronic device and a computer readable storage medium. The electronic device includes a processor configured to: acquire an electrocardiosignal and a blood oxygen volume wave signal of a target object within a preset measurement period; and determine beat-wise blood pressure values of the target object within the preset measurement period by means of a first trained blood pressure calculation model based on the acquired electrocardiosignal and blood oxygen volume wave signal.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: April 12, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Zhihong Xu
  • Patent number: 11291379
    Abstract: The exemplified methods and systems facilitate one or more dynamical analyses that can characterize and identify synchronicity between the acquired cardiac signals and photoplethysmographic signals to predict/estimate the presence, non-presence, localization, and/or severity of abnormal cardiovascular conditions or disease, including, for example, but not limited to, coronary artery disease, heart failure (including but not limited to indicators of disease or conduction such as abnormal left ventricular end-diastolic pressure disease), and pulmonary hypertension, among others. In some embodiments, statistical properties of the synchronicity between the cardiac signals and photoplethysmographic signals are evaluated. In some embodiments, statistical properties of a histogram of the synchronicity between the cardiac signals and photoplethysmographic signals are evaluated.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: April 5, 2022
    Assignee: Analytics for Life Inc.
    Inventors: Mehdi Paak, Timothy William Fawcett Burton, Shyamlal Ramchandani
  • Patent number: 11291414
    Abstract: A patient monitor includes an interface configured to be connectable to a first sensor to measure first physiological information and to a second sensor to measure second physiological information, and a controller configured to actuate the second sensor to start a process for measuring the second physiological information in response to the first physiological information turning abnormal, the first physiological information being calculated based on a sensor signal acquired from the first sensor.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: April 5, 2022
    Assignee: NIHON KOHDEN CORPORATION
    Inventor: Yukio Koyama
  • Patent number: 11284843
    Abstract: An apparatus for estimating bio-information may include: a bio-signal acquirer configured to acquire a bio-signal; and a processor configured to extract one or more first feature values from the bio-signal, determine a scale factor based on the first feature values, and to estimate bio-information based on the scale factor and the first feature values.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: March 29, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Soon Park, Ui Kun Kwon, Yunseo Ku, Seung Woo Noh, Seung Keun Yoon, Dae Geun Jang
  • Patent number: 11266319
    Abstract: A monitoring device includes a sensor band configured to be secured around an appendage of a subject, a sensing element secured to the sensor band, a second band configured to be secured to the appendage of the subject in adjacent, spaced-apart relationship with the sensor band, and at least one member connecting the sensor band and the second band. The sensor band has a first mass and the sensing element has a second mass that is less than the first mass. The sensing element is movably secured to the sensor band via a biasing element, and the biasing element is configured to urge the sensing element into contact with a portion of the appendage. The biasing element decouples motion of the sensor band from the sensing element, and the at least one member decouples motion between the sensor band and the second band.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: March 8, 2022
    Assignee: Valencell, Inc.
    Inventors: Steven Matthew Just, Jesse Berkley Tucker, Robert Splinter, Steven Francis LeBoeuf
  • Patent number: 11259710
    Abstract: A remote photoplethysmography (RPPG) system includes an input interface to receive a sequence of measurements of intensities of different regions of a skin of a person indicative of vital signs of the person; a solver to solve an optimization problem to determine frequency coefficients of photoplethysmographic waveforms corresponding to the measured intensities at the different regions, wherein the solver determines the frequency coefficients to reduce a distance between intensities of the skin reconstructed from the frequency coefficients and the corresponding measured intensities of the skin while enforcing joint sparsity on the frequency coefficients; and an estimator to estimate the vital signs of the person from the determined frequency coefficients of photoplethysmographic waveforms.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: March 1, 2022
    Assignee: Mitsubishi Electric Research Laboratories, Inc.
    Inventors: Hassan Mansour, Tim Marks, Ewa Nowara, Yudai Nakamura, Ashok Veeraraghavan
  • Patent number: 11259712
    Abstract: Embodiments of the invention are directed to a photoplethysmogram (PPG) structure that includes a wearable component and a network of PPG sensors physically coupled to the wearable component. Each PPG sensor of the network includes a housing, a first light source and a light detector. The first light source is positioned in or on the housing such that, when the housing is positioned on a surface, the housing positions an illuminating surface of the first light source at a predetermined first-light-source angle with respect to the surface.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: March 1, 2022
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Kang-Wook Lee, Rajeev Narayanan
  • Patent number: 11234643
    Abstract: A method of measuring a Jugular Pulse property, comprising: mounting a device including an imager to the neck of a patient; imaging the Jugular vein at an imaged location using the imager; and analyzing at least one image provided by said imager to estimate at least one property of the Jugular Pulse. Optionally, said imager is a thermal imager. Optionally, the method comprises cooling tissue at said imaged location adjacent said vein using said device. In some embodiments, the device is designed to mount at a same neck axial position when disconnected and reattached and the system provided is designed to enforce the same body position to allow for comparable repeat measurements.
    Type: Grant
    Filed: June 21, 2016
    Date of Patent: February 1, 2022
    Inventor: Yaakov Nahmias
  • Patent number: 11234620
    Abstract: This disclosure is related to devices, systems, and techniques for performing patient parameter measurements. In some examples, a medical device system includes an optical sensor configured to measure ambient light and a tissue oxygen saturation parameter and processing circuitry configured to determine that a current measurement of the tissue oxygen saturation parameter is prompted and control the optical sensor to perform an ambient light measurement associated with the current measurement of the tissue oxygen saturation parameter.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: February 1, 2022
    Assignee: Medtronic, Inc.
    Inventors: Jonathan L. Kuhn, Can Cinbis, Saul E. Greenhut
  • Patent number: 11224358
    Abstract: A smart monitoring system comprising a plurality of sensor devices within a home or facility, at least one of the plurality of sensor devices comprising sensor elements configured to detect activity of an individual in the home or facility, and a computing device configured to receive activity signals from the plurality of sensor devices associated with the individual, parse the activity signals into scoring components including a sleep score, a motion score, and an event score, compute a current scoring of the individual based on the scoring components, compare the current scoring of the individual to historic scoring and peer scoring, generate a quality of life score for the individual based on the based on the comparison, and process a clinical analysis of the individual based on the quality of life score, the clinical analysis including graphical representations of the quality of life score and the scoring components.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: January 18, 2022
    Assignee: CareView Communications, Inc.
    Inventors: Steven Gail Johnson, Derek del Carpio
  • Patent number: 11213212
    Abstract: An apparatus for measuring blood pressure, and a method for measuring blood pressure by using the same are disclosed. The disclosed method for measuring blood pressure comprises the steps of: calculating pulse wave transit time; measuring vascular compliance; and measuring systolic blood pressure and diastolic blood pressure by using the pulse wave transit time and the vascular compliance, wherein the vascular compliance can be measured respectively in at least two or more different hand shape poses.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: January 4, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byung-hun Choi, Hyun-woo Koh, Hyun-su Kim, Hyun-jae Baek, Jae-wook Shin, Chi-yul Yoon, Jae-geol Cho
  • Patent number: 11179097
    Abstract: Tactile sensing devices, systems, and methods to image a target tissue location are disclosed. When force is applied to the tactile sensing device, voltage data is detected and visualized on a screen, indicating the target tissue location.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: November 23, 2021
    Assignee: TEXAS MEDICAL CENTER
    Inventors: Nicole C. Moskowitz, Jessica Traver, Xavier Garcia-Rojas, Yashar Ganjeh
  • Patent number: 11172820
    Abstract: A physiological information processing method includes: acquiring electrocardiogram data from a subject; acquiring pulse wave data from the subject; measuring a plurality of RR intervals based on the acquired electrocardiogram data; measuring a plurality of pulse wave transit times based on the acquired electrocardiogram data and the acquired pulse wave data; calculating, based on the measured RR intervals and the measured pulse wave transit times during a given time period, a parameter related to correlation between the measured RR intervals and the measured pulse wave transit times; and outputting the calculated parameter.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: November 16, 2021
    Assignee: NIHON KOHDEN CORPORATION
    Inventors: Yoshihiro Sugo, Yoshiharu Harada, Tomoyuki Sakai, Mami Sakai
  • Patent number: 11154250
    Abstract: A method for calculating physiological parameters includes: selecting a section of time domain signal corresponding to at least one signal of red light and infrared light obtained by sampling, and performing a conversion from time domain to frequency domain to obtain a corresponding frequency domain signal; selecting all rational frequency spectrum peak information, calculating energy information of selected reasonable frequency spectrum peaks, and forming a frequency spectrum peak energy ratio sequence; constructing a stability coefficient according to the frequency spectrum peak energy ratio sequence, and if the stability coefficient is low, constructing a compensation coefficient by using the frequency spectrum peak energy ratio sequence; and compensating for at least one of the time domain signal and the frequency domain signal by using the compensation coefficient, and calculating based on at least one of the compensated time domain signal and the frequency domain signal to obtain the physiological param
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: October 26, 2021
    Assignee: Shenzhen Mindray Bio-Medical Electronics Co., Ltd.
    Inventors: Fei Han, Fei Ye, Zuming Yao, Fei Zhang, Xianliang He, Lihan Liu, Ming Li
  • Patent number: 11147518
    Abstract: A regional oximetry system comprises a pod having a pod housing defining a sensor end and an opposite monitor end. A dual sensor connector is in electrical communication with the sensor end of the pod housing. A monitor connector is in electrical communication with the monitor end of the pod housing. An analog board is disposed within the pod housing and is in electrical communications with the dual sensor connector. The analog board receives and digitizes sensor signals from at least one optical sensor plugged into the dual sensor connector. A digital board is disposed within the pod housing and in electrical communications with the analog board and the monitor connector.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: October 19, 2021
    Assignee: MASIMO CORPORATION
    Inventors: Ammar Al-Ali, David Dalke, Eric Karl Kinast, Walter M. Weber, Yuying Song, Faisal Kashif, Atiyeh Ghoreyshi, Kevin Forrest
  • Patent number: 11141088
    Abstract: An electronic device that handles recognition of mental behavioral, affect, emotional, mental states, mental health, or mood-based attributes based on deep neural networks (DNNs), stores a set of EEG signals and a set of bio-signals associated with a subject. The electronic device trains a plurality of first recognition models on a training set of EEG signals and a training set of bio-signals associated with different training subjects. The electronic device trains a second recognition model on a feature vector from output layers of the plurality of first recognition models. The electronic device estimates a plurality of dependency or relationship data by application of the trained plurality of first recognition models on the set of EEG signals and bio-signals. The electronic device identifies a mental behavioral attribute of the subject by application of the trained second recognition model on the plurality of signals and their relationship data.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: October 12, 2021
    Assignee: SONY CORPORATION
    Inventors: Ming-Chang Liu, Ahmad Khodayari-Rostamabad
  • Patent number: 11096588
    Abstract: A method for monitoring autoregulation includes, using a processor, receiving a blood pressure signal an oxygen saturation signal, and a regional oxygen saturation signal from a patient. The method also includes normalizing the regional oxygen saturation signal to correct for variation in the oxygen saturation signal based on a relationship between the oxygen saturation signal and the regional oxygen saturation signal. The method further includes determining a linear correlation between the blood pressure signal and the normalized regional oxygen saturation signal. The method still further includes providing a signal indicative of the patient's autoregulation status to an output device based on the linear correlation.
    Type: Grant
    Filed: October 5, 2016
    Date of Patent: August 24, 2021
    Assignee: Covidien LP
    Inventors: Paul Stanley Addison, James N. Watson, Dean Montgomery
  • Patent number: 11064906
    Abstract: A method and apparatus for determining a respiration state on the basis of a plurality of biological indicators calculated using bio-signals. The method for determining a respiration state on the basis of a plurality of biological indicators calculated using bio-signals includes collecting a photoplethysmography (PPG) signal measured by a PPG sensor and a cutaneous electric signal measured by an electrodermal activity (EDA) sensor; analyzing the collected PPG signal and cutaneous electric signal and calculating a plurality of biological indicators including a respiration rate; and comprehensively evaluating the plurality of biological indicators to determine a user's respiration state.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: July 20, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun Soon Shin, Do Hyung Kang, Chan Young Hahm, Seung Yoon Nam, John Lorenzo
  • Patent number: 11040199
    Abstract: The subject matter of the present disclosure generally relates to techniques for neuromodulation of lymphatic tissue that include applying one or more energy pulses to a neuron of a subject, e.g., via an electrode positioned to deliver sufficient energy to the neuron, to modulate immune function. For example, an adaptive immune reflex of a subject may be modulated via neuromodulation.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: June 22, 2021
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Christopher Michael Puleo, Jeffrey Michael Ashe, Victoria Eugenia Cotero, Michael Ernest Marino
  • Patent number: 11039792
    Abstract: Techniques for heart rate estimation are disclosed. In an embodiment, synchronized photoplethysmograph (PPG) and 3-axis acceleration signals are received. Further, the PPG and acceleration signals are partitioned into windows. Furthermore, it is determined whether motion is present in a window of the acceleration signal. Moreover, Fourier transform is performed on the signals to obtain power spectra of the signals in the window when there is motion. Also, it is determined whether a peak of the acceleration signal is present in a range around first highest PPG peak. Further, it is determined whether the peak of the acceleration signal affects heart rate of the user when the peak of the acceleration signal is in the range around the highest PPG peak. The heart rate of the user in the window is then estimated using second highest PPG peak when the peak of the acceleration signal affects heart rate of the user.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: June 22, 2021
    Assignee: TATA CONSULTANCY SERVICES LIMITED
    Inventors: Shalini Mukhopadhyay, Nasimuddin Ahmed, Avik Ghose, Arijit Sinharay, Dibyanshu Jaiswal, Arijit Chowdhury, Ramu Reddy Vempada, Tapas Chakravarty, Arpan Pal
  • Patent number: 11043299
    Abstract: Systems, methods, and software can be used to reduce network security risks in a medical care network. In some aspects, a method includes detecting, at a medical equipment monitor located in a network, an electronic device that is connected to the network; determining, by the medical equipment monitor, that the electronic device comprises a medical equipment; associating, by the medical equipment monitor, a security profile with the medical equipment, wherein the security profile includes one or more security parameters; detecting, by the medical equipment monitor, a conflict between a data transmission activity from the medical equipment and at least one security parameter in the security profile; and in response to detecting the conflict, transmitting, from the medical equipment monitor, a notification of the conflict to a medical equipment controller.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: June 22, 2021
    Assignee: BlackBerry Limited
    Inventor: Nader Saad Henein
  • Patent number: 11033237
    Abstract: A method is provided for predicting that a caregiver will order a blood transfusion during a treatment. The method includes obtaining, on a processor, first data that indicates values for one or more parameters of a characteristic of a peak of a Fourier transform of a continuous photoplethysmographic (PPG) waveform or a continuous electrocardiogram (ECG) waveform or both collected during the treatment. The method further includes applying, on the processor, coefficients to the values for the one or more parameters. The method further includes determining, on the processor, second data that indicates a prediction that the caregiver will order the blood transfusion during the treatment based on applying the coefficients to the values. The method further includes presenting on a display device output data based on the second data. An apparatus is also provided for predicting that the caregiver will order the blood transfusion during the treatment.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: June 15, 2021
    Assignee: University Of Maryland, Baltimore
    Inventors: Fu-Ming Hu, Colin F. Mackenzie, Shiming Yang, Konstantinos Kalpakis
  • Patent number: 11026607
    Abstract: According to various embodiments, a medical system and method for early detection of shock may include devices configured to provide information about multiple patient parameters. In certain embodiments, the system may receive input from a regional saturation sensor. Based on these inputs, the system may provide a diagnosis of shock and/or distinguish between various types of shock.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: June 8, 2021
    Assignee: Covidien LP
    Inventors: Mark Yu-Tsu Su, Ulf Rune Borg
  • Patent number: 11020030
    Abstract: A device for non-contact measurement of blood oxygen saturation (SpO2) in a mammalian subject including a camera and one or more arrays of LEDs each having a first set of LEDs emitting near infrared (NIR), and the second set of LEDs emitting orange light located in an optical path adapted to transmit reflected light from a subject to the camera. A controller transmits a camera trigger to the camera, and is further coupled to transmit control signals to the one or more arrays of LEDs. A processor receives photoplethysmography (PPG) data signal values from the camera. The PPG data signal values are present in the reflected light and include pulsatile and non-pulsatile components. The processor determines SpO2 values from the PPG data signal values from the measured ratios of pulsatile to non-pulsatile components of the PPG signals.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: June 1, 2021
    Assignee: Arizona Board of Regents on behalf of Arizona State University
    Inventors: Nongjian Tao, Dangdang Shao
  • Patent number: 10993660
    Abstract: A system for monitoring biosignals of a user, including an attachment module configured to secure the system at an inner surface of a garment of the user; a flexible layer coupled to the attachment module, wherein the flexible layer and the attachment module cooperatively define a housing lumen; an electronics subsystem arranged within the housing lumen, the electronics subsystem including a first sensor, wherein the first sensor outputs a first signal; a respiratory sensor, wherein the respiratory sensor outputs a respiration signal, and a processing module that receives the first signal, the respiration signal, and the proximity signal, and generates a processed biometric output based on the first signal and the respiration signals.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: May 4, 2021
    Assignee: SPIRE, INC.
    Inventors: Jonathan Palley, Benjamin Yule, Dylan Jackson, Zhao Zhao, Ross Rudolph, Margaret Robb, Neema Moraveji
  • Patent number: 10987034
    Abstract: Apparatus configured to detect congenital heart disease (CHD) in newborns may comprise a body with a cavity configured to receive a hand or foot of a newborn. Sensor pairs of the apparatus may be configured scan such that the best signals can be selected, which can accommodate for movements of the newborn and/or facilitate impartialness as to which body part is inserted in the apparatus. Positions of the sensor pairs may be adjusted to ensure contact with the newborn's skin. A disposable cover may protect the newborn's skin from contacting the apparatus. The apparatus may include a pressure device so that CHD threshold values can be adjusted for different altitudes. The apparatus may integrate with electronic medical record (EMR) systems.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: April 27, 2021
    Assignee: LA BIOMEDICAL RSRCH INST AT HARBOR-UCLA MED CTR
    Inventor: Ruey-Kang Chang
  • Patent number: 10973446
    Abstract: A device to extract physiological information has at least one laser emitter. At least one optical detector is used to detect a change in optical power absorption. The laser emitter and optical detector are wire bonded into a chip scale module.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: April 13, 2021
    Inventor: David Schie
  • Patent number: 10973423
    Abstract: Processing PPG data using a device can include determining a quality estimate for a segment of PPG data and, in response to determining that the quality estimate exceeds a quality threshold, filtering the segment of the PPG data based upon an estimate of periodicity of the segment of the PPG data. A health marker can be determined for the segment of PPG data. The health marker can be validated based upon a prior determination of the health marker from PPG data. In response to the validation, the health marker can be output.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: April 13, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jawahar Jain, James Young, Cody Wortham, Sajid Sadi, Pranav Mistry
  • Patent number: 10966642
    Abstract: The invention relates to a photoplethysmography apparatus (100), comprising a source of light (110) configured to provide source light (130) of at least a first and a second spectral position directed at a tissue (140); alight detector (120) configured to detect scattered source light, and to provide at least a first and a second sensor signal (127, 29) indicative of the scattered source light of the first and second spectral position; and a processing unit (150). The processing unit is configured to calculate a corrected sensor signal (160), indicative of a variation in blood absorbance within the tissue, by removing a tissue-path error signal component, indicative of a variation in optical path length through the tissue over time, and a light-coupling error signal component, indicative of a variation of source light intensity of the source light emitted at the tissue, from the at least first and second sensor signals.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: April 6, 2021
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventor: Olaf Thomas Johan Antonie Vermeulen
  • Patent number: 10966619
    Abstract: Systems and methods are disclosed for determining individual-specific blood flow characteristics. One method includes acquiring, for each of a plurality of individuals, individual-specific anatomic data and blood flow characteristics of at least part of the individual's vascular system; executing a machine learning algorithm on the individual-specific anatomic data and blood flow characteristics for each of the plurality of individuals; relating, based on the executed machine learning algorithm, each individual's individual-specific anatomic data to functional estimates of blood flow characteristics; acquiring, for an individual and individual-specific anatomic data of at least part of the individual's vascular system; and for at least one point in the individual's individual-specific anatomic data, determining a blood flow characteristic of the individual, using relations from the step of relating individual-specific anatomic data to functional estimates of blood flow characteristics.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: April 6, 2021
    Assignee: HeartFlow, Inc.
    Inventors: Timothy A. Fonte, Gilwoo Choi, Leo Grady, Michael Singer
  • Patent number: 10967185
    Abstract: Systems and methods for customizable titration of an implantable neurostimulator are provided. A method of titrating a neurostimulation signal delivered to a patient from an implantable pulse generator includes delivering a first neurostimulation signal with a first set of parameters, increasing a first value of the first neurostimulation signal at a first rate for a first period of time while delivering the first neurostimulation signal, ceasing delivery of the first neurostimulation signal when the first value reaches a first target value, delivering a second neurostimulation signal with a second set of parameters, and increasing the second neurostimulation signal at a second rate for a second period of time while delivering the second neurostimulation signal.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: April 6, 2021
    Assignee: LivaNova USA, Inc.
    Inventors: Scott Stubbs, Imad Libbus, Scott Mazar, Bruce H. KenKnight, Badri Amurthur
  • Patent number: 10952622
    Abstract: A method and apparatus for hemodynamically characterizing a neurological or fitness state by dynamic scattering light (DLS) is disclosed herein. In particular, a non-pulsatile blood-shear-rate-descriptive (BSRD) signal(s) is optically generated and analyzed. In some embodiments, the BSRD signal is generated dynamically so as to adaptively maximize (i.e. according to a bandpass or frequency-selection profile) a prominence of a predetermined non-pulsatile physiological signal within the BSRD. In some embodiments, the BSRD is subjected to a stochastic or stationary-status analysis. Alternatively or additionally, the neurological or fitness state may be computed from multiple BSRDs, including two or more of: (i) a [sub-200 Hz, ˜300 Hz] BSRD signal; (ii) a [˜300 Hz, ˜1000 Hz] signal; (iii) a [˜1000 Hz, ˜4000 Hz] signal and (iv) a [˜4000 Hz, z Hz] (z>=7,000) signal.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: March 23, 2021
    Assignee: ELFI-TECH LTD.
    Inventors: Ilya Fine, Alexander Kaminsky
  • Patent number: 10932704
    Abstract: A device for measuring brain oxygen level of a subject, including a probe (210) and a detecting means (220), which are respectively coupled to a processor (230). According to the example, the probe (210) includes three light sources (215a, 215b, 215c) that simultaneously emit the first, second, and third NIR wavelengths across the brain of the subject. The first NIR wavelength is the isosbestic wavelength for oxy-hemoglobin (HbO2) and deoxy-hemoglobin (Hb), the second NIR wavelength is shorter than the first NIR wavelength, and the third NIR wavelength is longer than the first NIR wavelength. The detecting means (220) includes a first, second and third detectors (221, 222, 223) for respectively detecting the NIR intensities of the first, second and third NIR wavelengths traveled across the brain. The processor (230) is configured to determine blood oxygen level based on the measured NIR intensities of the first, second and third NIR wavelengths by use of build-in algorithm derived from Beer-Lambert Law.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: March 2, 2021
    Assignee: MACKAY MEMORIAL HOSPITAL
    Inventors: Wen-Han Chang, Chih-Wei Lu
  • Patent number: 10925525
    Abstract: A system comprises of a pulse oximeter and diffusing wave spectroscopy (DWS) apparatus to perform pulse oximetry measurements. To calculate oxygen saturation, the pulse oximeter utilizes a pulse wave which is measured by an apparatus other than the pulse oximeter itself. In one embodiment, the different apparatus mentioned above is the diffusing wave spectroscopy (DWS) apparatus.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: February 23, 2021
    Assignee: Canon U.S.A., Inc.
    Inventor: Haruo Nakaji
  • Patent number: 10912464
    Abstract: The present disclosure generally relates to a system and method for non-invasively monitoring health of a vascular system of a patient. The system comprises a monitoring device for measuring vascular activity of the patient; and a server configured for performing steps of the method. The method steps comprise: receiving a set of signals comprising a vascular signal derived from vascular activity measurements of the patient by the monitoring device; reconstructing an identity pulse from the vascular signal; determining identity pulse features from the identity pulse; comparing data from a set of features with a patient database, the set of features comprising the identity pulse features; and generating a patient risk assessment of vascular health conditions based on results from the comparison with the patient database, wherein the patient database comprises data associated with the set of features for a population of patients.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: February 9, 2021
    Inventors: Mahawaththa Kodithuwakkuge Keerthi Priyankara, Wijesekara Vithanage Charith, Mundigala Arachchillage Isuru Suharshan Rajakaruna
  • Patent number: 10856747
    Abstract: A method and a system for processing a heart rate (HR) in an electronic device are provided. The method includes detecting a photoplethysmography (PPG) signal, producing a first HR from the detected PPG signal, producing a second HR from the detected PPG signal, determining a resultant HR by analyzing the first HR and the second HR, and displaying the resultant HR.
    Type: Grant
    Filed: December 31, 2014
    Date of Patent: December 8, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jooman Han, Jongmin Choi
  • Patent number: 10835157
    Abstract: A respiratory effort sensing apparatus (2) includes a flexible belt member (8) having a first buckle member (12A) and a second buckle member (12B), and a wearable respiratory monitoring recording device (6). The monitoring device includes: (i) a processing apparatus (34) structured to be selectively operable in a sleep mode and an active mode, and (ii) buckle detection circuitry (46) structured to detect that both buckle members are operatively coupled to the respiratory monitoring recording device and in response thereto generate a buckle detection signal. The processing apparatus is structured to, in response to receiving the buckle detection signal, automatically: (a) move from the sleep mode to the active mode, and (b) generate data indicative of a respiratory effort of a patient over time based on an effort-based signal generated by the respiratory effort sensing apparatus in response to changes in volume of a body part of the patient.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: November 17, 2020
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Norbert Hans Balko, Jeffrey Coles, Edmund Arnliot Shaw, James Martin Weiland
  • Patent number: 10827340
    Abstract: The present disclosure provides an emergency determination device. The emergency determination device includes a sensor configured to detect a vital sign of a person and a hand gesture of the person within a predetermined range, and a determiner configured to analyze the vital sign recognized by the sensor, to additionally analyze the hand gesture based on a result obtained by analyzing the vital sign, and to determine whether the emergency occurs, wherein the determiner analyzes the vital sign and determines whether the emergency occurs after the sensor detects a wake-up behavior.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: November 3, 2020
    Inventors: Sun Jong Yang, Jeong Woo Choi
  • Patent number: 10780017
    Abstract: An embodiment of a system for treating sleep apnea includes a collar, a pump, a motor, a sensor, and a controller. The collar is configured to maintain an airway of a subject open while the subject is sleeping by applying, to a throat of the subject, a negative pressure having a magnitude, and the pump is configured to generate the negative pressure. The motor is configured to drive the pump, and the sensor is configured to generate a sense signal that is related to a degree to which the airway is open. And the controller is configured to vary the magnitude of the negative pressure in response to the sense signal. For example, one or more of the pump, motor, sensor, and controller can be secured to the collar such that the system is self-contained, i.e., the entire sleep-apnea system can be worn by the subject.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: September 22, 2020
    Assignee: Somne LLC
    Inventors: Roderick A. Hyde, Kenneth G. Caldeira, Gary L. McKnight, Lowell L. Wood, Jr., Dennis J. Rivet, Katherine A. Sharadin, Michael A. Smith