公开(公告)号：US11653850B2

公开(公告)日：2023-05-23

申请号：US16237310

申请日：2018-12-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Myounghoon Jung ,  Kak Namkoong ,  Youngjun Koh ,  Jungmok Bae ,  Yeolho Lee ,  Hyeongseok Jang

IPC: A61B5/053 ,  A61B5/0537 ,  A61B5/00 ,  A61B5/0205 ,  A61B5/024 ,  A61B5/026 ,  A61B5/08

CPC classification number: A61B5/0537 ,  A61B5/0205 ,  A61B5/026 ,  A61B5/02405 ,  A61B5/02438 ,  A61B5/0809 ,  A61B5/4519 ,  A61B5/4872 ,  A61B5/681 ,  A61B5/6826 ,  A61B5/7203 ,  A61B5/6824 ,  A61B2560/0223 ,  A61B2560/0468 ,  A61B2562/04

Abstract: A method of measuring a bio signal using a bio signal measuring apparatus includes: positioning electrodes included as part of the bio signal measuring apparatus to contact a surface of an examinee; switching an impedance measurer included as part of the bio signal measuring apparatus and including a voltmeter and a current source; measuring a first impedance value of the examinee while operating the impedance measurer according to a first mode; switching the impedance measurer to a second mode; measuring a second impedance value of the examinee while operating the impedance measurer according to a second mode; and obtaining bio impedance of the examinee based on the first and second impedance values and an internal impedance of the current source.

公开(公告)号：US11576583B2

公开(公告)日：2023-02-14

申请号：US16010289

申请日：2018-06-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Alexandra Dana ,  Jungmok Bae ,  Matthew Wiggins

IPC: A61B5/021 ,  A61B5/00 ,  A61B5/022 ,  A61B5/11 ,  A61B8/04 ,  A61B8/08 ,  A61B5/0225 ,  A61B8/02 ,  A61B5/024 ,  A61B5/0245

Abstract: A method for estimating blood pressure using a blood flow occlusion system applied to an artery includes receiving from a first sensor a sensed signal; processing at a processor the sensed signal to detect beats in a pulsatile signal; determining validity of the detected beats; storing the detected beats and data associated with the detected beats in the sensed signal as the pressure applied to the artery by the blood flow occlusion system deflates towards a level below a nominal level; determining baseline beat characteristics; evaluating the stored beats and associated data to detect change in beat characteristics as compared to the baseline beat characteristics; selecting a beat before the detected change in the beat characteristic as the last beat indicating the onset of the diastolic blood pressure for the artery; determining a value of the applied pressure at the last beat as the diastolic blood pressure for the artery.