Title:
GAS PATH CONTROL SYSTEM FOR PNEUMATIC CARDIOPULMONARY RESUSCITATION PRESSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/073615
Kind Code:
A1
Abstract:
Disclosed is a gas path control system for a pneumatic cardiopulmonary resuscitation pressing device. The system comprises a pneumatic control valve (3) in communication with a piston cylinder (2) of a pneumatic cardiopulmonary resuscitation pressing device, wherein when a valve core of the pneumatic control valve (3) moves in a reciprocating manner, the piston cylinder (2) is controlled to be inflated or gas in the piston cylinder (2) is controlled to be discharged; and at least one end of the valve core of the pneumatic control valve (3) is provided with a gas cavity, the gas cavity is in communication with a gas source by means of a miniature electric control valve (4), and the miniature electric control valve (4) controls the gas cavity to be inflated or controls gas in the gas cavity to be discharged so as to drive the valve core of the pneumatic control valve (3) to move in a reciprocating manner. The gas path control system for a pneumatic cardiopulmonary resuscitation pressing device can greatly reduce the power consumption of an electric control pneumatic pressing device, solve the problem of insufficient electric quantity in clinical use of an electric control pneumatic pressing device, and enables "accurate pressing" to be truly popularized and promoted in clinical practice.
Inventors:
KONG WEIFANG (CN)
ZHANG ERIC (CN)
FANG ZHIQING (CN)
YAN YUEMING (CN)
FANG ZHIPING (CN)
ZHANG ERIC (CN)
FANG ZHIQING (CN)
YAN YUEMING (CN)
FANG ZHIPING (CN)
Application Number:
PCT/CN2020/121610
Publication Date:
April 22, 2021
Filing Date:
October 16, 2020
Export Citation:
Assignee:
SUNLIFE SCIENCE SUZHOU INC (CN)
International Classes:
A61H31/00; F16K31/02; F16K31/06; F16K31/12
Foreign References:
| CN110584984A | 2019-12-20 | |||
| CN211023995U | 2020-07-17 | |||
| CN202211845U | 2012-05-09 | |||
| CN101416917A | 2009-04-29 | |||
| CN201108579Y | 2008-09-03 | |||
| US9198826B2 | 2015-12-01 |
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