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22 条记录 (耗时 0.016 秒)

    Signal quality metric for cardiovascular time series
    1.
    发明授权
    Signal quality metric for cardiovascular time series 有权

    公开(公告)号：US10039463B1

    公开(公告)日：2018-08-07

    申请号：US13928652

    申请日：2013-06-27

    申请人： Vital Connect, Inc.

    发明人： Nandakumar Selvaraj ,  Ravi Narasimhan

    IPC分类号： A61B5/0456 ,  A61B5/04 ,  A61B5/00 ,  A61B5/0205 ,  A61B5/1455

    摘要： A method and system for determining a signal quality metric of a cardiovascular time series utilizing a wireless sensor device are disclosed. In a first aspect, the method comprises determining subsequent values of the cardiovascular time series and comparing the determined subsequent values to a threshold value. In a second aspect, a wireless sensor device comprises a processor and a memory device coupled to the processor, wherein the memory device includes an application that, when executed by the processor, causes the processor to determine subsequent values of the cardiovascular time series and compare the determined subsequent values to a threshold value.

    Detection of sleep apnea using respiratory signals
    5.
    发明授权
    Detection of sleep apnea using respiratory signals 有权

    公开(公告)号：US11324420B2

    公开(公告)日：2022-05-10

    申请号：US16253468

    申请日：2019-01-22

    申请人： Vital Connect, Inc.

    发明人： Nandakumar Selvaraj ,  Ravi Narasimhan

    IPC分类号： A61B5/08 ,  A61B5/00 ,  A61B5/087 ,  A61B5/318

    摘要： A method and system for sleep apnea detection are disclosed. The method comprises detecting at least one respiratory signal and utilizing a detection algorithm to automatically detect at least one sleep apnea event from the at least one respiratory signal. The system includes a sensor to determine at least one respiratory signal, a processor coupled to the sensor, and a memory device coupled to the processor, wherein the memory device includes a detection algorithm and an application that, when executed by the processor, causes the processor to utilize the detection algorithm to automatically determine at least one sleep apnea event from the at least one respiratory signal.

    Synthetic simulation system for testing of physiological monitoring devices
    6.
    发明授权
    Synthetic simulation system for testing of physiological monitoring devices 有权

    公开(公告)号：US11062804B2

    公开(公告)日：2021-07-13

    申请号：US16123260

    申请日：2018-09-06

    申请人： Vital Connect, Inc.

    发明人： Nandakumar Selvaraj ,  Paul Kettle

    IPC分类号： G06F11/30 ,  G16H40/40

    摘要： System and method for validating algorithms used in medical devices is disclosed. As disclosed, the system and method include generating a synthetic waveform, inputting the generated synthetic waveform to the testing device, capturing an output values for the input values generating synthetic waveform from the testing device; and comparing the output values to the input values to determine performance metrics of the testing device to validate the algorithm on the testing device.

    Determining energy expenditure using a wearable device
    7.
    发明授权
    Determining energy expenditure using a wearable device 有权

    公开(公告)号：US10595776B1

    公开(公告)日：2020-03-24

    申请号：US14481788

    申请日：2014-09-09

    申请人： Vital Connect, Inc.

    发明人： Nandakumar Selvaraj ,  Toai Doan

    IPC分类号： A61B5/00 ,  A61B5/11 ,  A61B5/0205 ,  A61B5/0402 ,  A61B5/024 ,  A61B5/053

    摘要： A method and system for determining energy expenditure (EE) are disclosed. The method comprises determining a plurality of sensor streams using a plurality of detected physiological signals and processing the plurality of sensor streams to determine the EE. The system includes at least one sensor to detect a plurality of physiological signals, a processor coupled to the at least one sensor, and a memory device coupled to the processor, wherein the memory device includes an application that, when executed by the processor, causes the processor to determine a plurality of sensor streams using a plurality of detected physiological signals and to process the plurality of sensor streams to determine the EE.

    Respiratory rate detection using decomposition of ECG
    9.
    发明授权
    Respiratory rate detection using decomposition of ECG 有权

    公开(公告)号：US11607138B2

    公开(公告)日：2023-03-21

    申请号：US16516534

    申请日：2019-07-19

    申请人： Vital Connect, Inc.

    发明人： Nandakumar Selvaraj ,  Ravi Narasimhan

    IPC分类号： A61B5/0205 ,  A61B5/08 ,  A61B5/318 ,  A61B5/00

    摘要： A method and system for determining a respiratory rate of a user using an electrocardiogram (ECG) segment of the user are disclosed. The method comprises decomposing the ECG segment into a plurality of functions and evaluating the plurality of functions to choose one of the plurality of functions based on a respiratory band power. The method includes determining the respiratory rate using the one of the plurality of functions and a domain detection.

    Signal quality metric for cardiovascular time series
    10.
    发明授权
    Signal quality metric for cardiovascular time series 有权

    公开(公告)号：US11406305B2

    公开(公告)日：2022-08-09

    申请号：US16022753

    申请日：2018-06-29

    申请人： Vital Connect, Inc.

    发明人： Nandakumar Selvaraj ,  Ravi Narasimhan

    IPC分类号： A61B5/316 ,  A61B5/00 ,  A61B5/0205 ,  A61B5/1455 ,  A61B5/352

    摘要： A method and system for determining a signal quality metric of a cardiovascular time series utilizing a wireless sensor device are disclosed. In a first aspect, the method comprises determining subsequent values of the cardiovascular time series and comparing the determined subsequent values to a threshold value. In a second aspect, a wireless sensor device comprises a processor and a memory device coupled to the processor, wherein the memory device includes an application that, when executed by the processor, causes the processor to determine subsequent values of the cardiovascular time series and compare the determined subsequent values to a threshold value.