公开(公告)号：US20250107719A1

公开(公告)日：2025-04-03

申请号：US18478936

申请日：2023-09-29

Applicant: QUALCOMM Incorporated

Inventor： Ren LI ,  Qilin LU ,  Htet NAING ,  Samuel Jon EUBANKS ,  Kostadin Dimitrov DJORDJEV

IPC: A61B5/0225 ,  A61B5/00 ,  A61B5/021 ,  A61B5/022

Abstract: Devices and systems for controlling pressure during sensing are disclosed. Such sensors and/or systems may be embodied in a wearable user device. The wearable user device may include a cuff configured to apply a pressure to a portion of a user at a plurality of discrete pressure levels over a plurality of time periods; a biometric sensor configured to obtain a plurality of sensor measurements associated with a blood vessel of the user at corresponding ones of the plurality of discrete pressure levels during corresponding ones of the plurality of time periods; and a wearable structure including the cuff and the biometric sensor.