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    BODY-WORN SYSTEM FOR CONTINUOUS, NONINVASIVE MEASUREMENT OF CARDIAC OUTPUT, STROKE VOLUME, CARDIAC POWER, AND BLOOD PRESSURE
    7.
    发明申请
    BODY-WORN SYSTEM FOR CONTINUOUS, NONINVASIVE MEASUREMENT OF CARDIAC OUTPUT, STROKE VOLUME, CARDIAC POWER, AND BLOOD PRESSURE 审中-公开
    身体健康系统，用于连续测量心脏输出，排出体积，心脏功率和血压的无损测量

    公开(公告)号：US20160310017A1

    公开(公告)日：2016-10-27

    申请号：US15201567

    申请日：2016-07-04

    Applicant: SOTERA WIRELESS, INC.

    Inventor： Matthew BANET ,  Isaac HENRY ,  Donald BERNSTEIN

    IPC: A61B5/0205 ,  A61B5/053 ,  A61B5/02 ,  A61B5/00 ,  A61B5/145

    CPC classification number: A61B5/0295 ,  A61B5/0008 ,  A61B5/0022 ,  A61B5/01 ,  A61B5/02028 ,  A61B5/0205 ,  A61B5/021 ,  A61B5/02427 ,  A61B5/0245 ,  A61B5/029 ,  A61B5/0535 ,  A61B5/0816 ,  A61B5/1116 ,  A61B5/14542 ,  A61B5/14551 ,  A61B5/681 ,  A61B5/6823 ,  A61B5/6824 ,  A61B5/6826 ,  A61B5/6833 ,  A61B5/7239 ,  A61B5/725 ,  A61B5/746 ,  A61B2562/04 ,  G06F19/00

    Abstract: The invention provides a system for measuring stroke volume (SV), cardiac output (CO), and cardiac power (CP) from a patient that features: 1) an impedance sensor connected to at least two body-worn electrodes and including an impedance circuit that processes analog signals from the electrodes to measure an impedance signal (e.g. a TBEV waveform); 2) an ECG sensor connected to at least two chest-worn electrodes and including an ECG circuit that processes analog signals from the electrodes to measure and ECG signal; 3) an optical sensor connected to a body-worn optical probe and including an optical circuit that processes signals from the probe to measure at least one optical signal (e.g. a PPG waveform) from the patient; 4) a processing system, typically worn on the patient's wrist and connected through a wired interface to the optical sensor, and through either a wired or wireless interface to the TBEV and ECG sensors. The processing system analyzes the ECG, TBEV and optical signals to determine SV, and further analyzes SV and HR determined from an ECG sensor to determine CO.

    Abstract translation: 本发明提供了一种用于测量来自患者的搏动体积（SV），心输出量（CO）和心脏功率（CP））的系统，其特征在于：1）阻抗传感器连接到至少两个身体磨损的电极并且包括阻抗电路 处理来自电极的模拟信号以测量阻抗信号（例如TBEV波形）; 2）连接至少两个胸部电极的ECG传感器，包括处理来自电极的模拟信号以测量ECG信号的ECG电路; 3）光学传感器，其连接到身体磨损的光学探针，并且包括处理来自探针的信号以测量来自患者的至少一个光学信号（例如PPG波形）的光学电路; 4）通常佩戴在患者手腕上并通过有线接口连接到光学传感器并且通过有线或无线接口连接到TBEV和ECG传感器的处理系统。 处理系统分析ECG，TBEV和光信号以确定SV，并进一步分析从ECG传感器确定的SV和HR以确定CO。

    BODY-WORN PULSE OXIMETER
    8.
    发明申请
    BODY-WORN PULSE OXIMETER 有权

    公开(公告)号：US20210251501A1

    公开(公告)日：2021-08-19

    申请号：US17080725

    申请日：2020-10-26

    Applicant: SOTERA WIRELESS, INC.

    Inventor： Jim MOON ,  Devin McCOMBIE ,  Marshal DHILLON ,  Matthew BANET

    IPC: A61B5/0245 ,  A61B5/11 ,  A61B5/1455 ,  A61B5/00 ,  A61B5/022

    Abstract: The invention provides a body-worn system that continuously measures pulse oximetry and blood pressure, along with motion, posture, and activity level, from an ambulatory patient. The system features an oximetry probe that comfortably clips to the base of the patient's thumb, thereby freeing up their fingers for conventional activities in a hospital, such as reading and eating. The probe secures to the thumb and measures time-dependent signals corresponding to LEDs operating near 660 and 905 nm. Analog versions of these signals pass through a low-profile cable to a wrist-worn transceiver that encloses a processing unit. Also within the wrist-worn transceiver is an accelerometer, a wireless system that sends information through a network to a remote receiver, e.g. a computer located in a central nursing station.

    BODY-WORN SYSTEM FOR MEASURING CONTINUOUS NON-INVASIVE BLOOD PRESSURE (cNIBP)
    9.
    发明申请
    BODY-WORN SYSTEM FOR MEASURING CONTINUOUS NON-INVASIVE BLOOD PRESSURE (cNIBP) 审中-公开

    公开(公告)号：US20190320916A1

    公开(公告)日：2019-10-24

    申请号：US16459567

    申请日：2019-07-01

    Applicant: SOTERA WIRELESS, INC.

    Inventor： Matthew BANET ,  Marshal DHILLON ,  Devin McCOMBIE

    IPC: A61B5/021 ,  A61B5/00 ,  A61B5/0402 ,  A61B5/0295 ,  A61B5/0225 ,  A61B5/1455 ,  A61B5/11 ,  A61B5/024

    Abstract: The present invention provides a technique for continuous measurement of blood pressure based on pulse transit time and which does not require any external calibration. This technique, referred to herein as the ‘Composite Method’, is carried out with a body-worn monitor that measures blood pressure and other vital signs, and wirelessly transmits them to a remote monitor. A network of body-worn sensors, typically placed on the patient's right arm and chest, connect to the body-worn monitor and measure time-dependent ECG, PPG, accelerometer, and pressure waveforms. The disposable sensors can include a cuff that features an inflatable bladder coupled to a pressure sensor, three or more electrical sensors (e.g. electrodes), three or more accelerometers, a temperature sensor, and an optical sensor (e.g., a light source and photodiode) attached to the patient's thumb.

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