公开(公告)号：US20240350023A1

公开(公告)日：2024-10-24

申请号：US18579779

申请日：2022-07-22

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Junye JIN ,  Wenjian YANG ,  Menglong ZHAO ,  Lei ZHANG ,  Shiqiang LU ,  Changming LI

IPC: A61B5/022 ,  A61B5/00 ,  A61B5/0205 ,  A61B5/021 ,  A61B5/0235 ,  A61B5/024 ,  A61B5/28

CPC classification number: A61B5/02225 ,  A61B5/02141 ,  A61B5/02233 ,  A61B5/0235 ,  A61B5/681 ,  A61B5/0205 ,  A61B5/02416 ,  A61B5/28 ,  A61B2560/0257 ,  A61B2560/0468 ,  A61B2562/0247

Abstract: A blood pressure measuring device includes a main body and an airbag. An air supply and exhaust apparatus and a first air pressure sensor may be disposed in the cavity of the main body. The air supply and exhaust apparatus includes an air inlet passage and an air outlet passage. The air supply and exhaust apparatus is communicated with the air cavity through a first air passage. The first air pressure sensor includes a first air hole and a second air hole, and a pressure film is provided between the first air hole and the second air hole. A first vent hole is provided on the side wall of the main body. The first air hole may be communicated with the air cavity of the airbag through a second air passage, and the second air hole may be communicated with the first vent hole through a third air passage.