Title:
SNAKE BONE UNIT, SNAKE BONE TUBE, INSERTION CATHETER, AND ELECTRONIC ENDOSCOPE
Document Type and Number:
WIPO Patent Application WO/2023/077913
Kind Code:
A1
Abstract:
A snake bone unit, a snake bone tube, an insertion catheter, and an electronic endoscope. The snake bone unit comprises an annular tube (100). A rotating block (21) is fixedly arranged at one end of the annular tube (100), and a rotating groove (22) is formed in the other end of the annular tube (100). The rotating block (21) can be rotatably connected to the rotating grooves (22) of other snake bone units. A limiting sliding block (221) is fixedly arranged on each of the two sides of the rotating groove (22). A limiting sliding groove (211) is formed in each of the two sides of the rotating block (21). The limiting sliding block (221) can be slidably connected to the limiting sliding grooves (211) of other snake bone units. At least one auxiliary sliding block (212) is fixedly arranged on the rotating block (21). An auxiliary sliding groove (222) corresponding to the auxiliary sliding block (212) in number is further formed in the annular tube (100), and the auxiliary sliding groove (222) is communicated with the rotating groove (22). The auxiliary sliding block (212) can be in sliding fit with the auxiliary sliding grooves (222) of other snake bone units.
Inventors:
LUO ZHENGCHUN (CN)
WANG LINGANG (CN)
XIAO GONGQIANG (CN)
LI YANHUA (CN)
LI KE (CN)
YAO WEIZHONG (CN)
WANG LINGANG (CN)
XIAO GONGQIANG (CN)
LI YANHUA (CN)
LI KE (CN)
YAO WEIZHONG (CN)
Application Number:
PCT/CN2022/113677
Publication Date:
May 11, 2023
Filing Date:
August 19, 2022
Export Citation:
Assignee:
ZHEJIANG HEALNOC TECH CO LTD (CN)
International Classes:
A61B1/005
Domestic Patent References:
| WO2020135362A1 | 2020-07-02 |
Foreign References:
| CN216933131U | 2022-07-12 | |||
| CN217066329U | 2022-07-29 | |||
| CN114847845A | 2022-08-05 | |||
| US20160022960A1 | 2016-01-28 | |||
| CN108078535A | 2018-05-29 | |||
| CN105852781A | 2016-08-17 | |||
| CN108742476A | 2018-11-06 | |||
| US6364828B1 | 2002-04-02 | |||
| CN107091261A | 2017-08-25 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (HANGZHOU) (CN)
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