公开(公告)号：US12193802B2

公开(公告)日：2025-01-14

申请号：US17430225

申请日：2020-02-11

Applicant: KOH YOUNG TECHNOLOGY INC.

Inventor： Hong Ki Kim ,  Young Joo Hong ,  Deok Hwa Hong ,  Guk Bin Lim ,  Seung Tae Kim ,  Min Kyu Kim ,  Eun Ha Jo

IPC: A61B5/026 ,  A61B5/00

Abstract: A blood flow measurement device according to various embodiments may be configured to irradiate light to a first position of a subject and a second position of the subject located in a first direction with respect to the first position, acquire intensities of the reflected light at the first position and the second position, determine a first value which is a difference between the intensities of the reflected light at the first position and the second position, irradiate light to a third position of the subject located in a second direction with respect to the second position, acquire an intensity of the reflected light at the third position, determine a second value which is a difference between the intensities of the reflected light at the second position and the third position, and determine a blood flow direction based on the first value and the second value.