Title:
SUCTION VALVE ASSEMBLY AND ENDOSCOPE
Document Type and Number:
WIPO Patent Application WO/2023/071853
Kind Code:
A1
Abstract:
A suction valve assembly and an endoscope. The suction valve assembly comprises an elastic sleeve (1), a valve housing (2) and a piston (3), which are coaxially arranged. One end of the elastic sleeve (1) is fixed on the valve housing (2), the other end of the elastic sleeve (1) abuts against the piston (3), and the piston (3) can axially slide relative to the valve housing (2); the valve housing (2) comprises an upper valve housing (21), a lower valve housing (22) and a sealing body (23), wherein the sealing body (23) is located between the upper valve housing (21) and the lower valve housing (22), and the upper valve housing (21) and the lower valve housing (22) are detachably connected; and when the piston (3) is in a first position, the elastic sleeve (1) provides an action force by which the piston (3) presses against the sealing body (23).
Inventors:
JIA XIAOFENG (CN)
XIONG JINYUN (CN)
XIONG JINYUN (CN)
Application Number:
PCT/CN2022/125755
Publication Date:
May 04, 2023
Filing Date:
October 17, 2022
Export Citation:
Assignee:
HUNAN VATHIN MEDICAL INSTRUMENT CO LTD (CN)
International Classes:
A61B1/00
Foreign References:
| CN216060451U | 2022-03-18 | |||
| CN204293107U | 2015-04-29 | |||
| CN110840375A | 2020-02-28 | |||
| CN211130958U | 2020-07-31 | |||
| CN102697445A | 2012-10-03 | |||
| US20030181787A1 | 2003-09-25 |
Attorney, Agent or Firm:
SICHUAN ZHONGDAI INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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