Title:
SUCTION BUTTON, SUCTION VALVE ASSEMBLY AND ENDOSCOPE
Document Type and Number:
WIPO Patent Application WO/2023/071852
Kind Code:
A1
Abstract:
A suction button, a suction valve assembly and an endoscope. The suction button is of a hollow structure and comprises an elastic main body (1), wherein one end of the elastic main body (1) is a pressing end (2), and the other end thereof is a fixing end (3); an inner wall of the elastic main body (1) that is close to the pressing end (2) is provided with a first sealing portion (11), and an inner wall of the elastic main body (1) that is close to the fixing end (3) is provided with a second sealing portion (12); and the first sealing portion (11) is in interference fit with the second sealing portion (12) when the suction button is axially compressed and deformed. The suction button has both elastic reset and sealing functions. In addition, the suction button is preferably made of silica gel or a non-corrosive rubber material that has no toxic side effect on the human body, thereby avoiding secondary infection to a patient.
Inventors:
JIA XIAOFENG (CN)
XIONG JINYUN (CN)
XIONG JINYUN (CN)
Application Number:
PCT/CN2022/125752
Publication Date:
May 04, 2023
Filing Date:
October 17, 2022
Export Citation:
Assignee:
HUNAN VATHIN MEDICAL INSTRUMENT CO LTD (CN)
International Classes:
A61M1/00; A61B17/00; A61B17/94; A61M39/22
Foreign References:
| CN216366110U | 2022-04-26 | |||
| JP2012075473A | 2012-04-19 | |||
| CN102697445A | 2012-10-03 | |||
| CN102406497A | 2012-04-11 | |||
| JP2012071021A | 2012-04-12 |
Attorney, Agent or Firm:
SICHUAN ZHONGDAI INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
Download PDF: