Title:
INTRODUCER SHEATH SEALING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/015653
Kind Code:
A1
Abstract:
An introducer sheath sealing device. The introducer sheath sealing device comprises an introducer sheath body (1), a connector housing (2), a sealing assembly (3), and an adjustment knob (4); the sealing assembly (3) comprises a tubular sealing valve (30) that can be elastically twisted; the inner ends of the introducer sheath body (1) and the sealing valve (30) are fixedly provided in the connector housing (2); the introducer sheath body (1) is communicated with the sealing valve (30); the adjustment knob (4) is disposed on the connector housing (2), connected to the outer end of the sealing valve (30), and used for driving the outer end of the sealing valve (30) to rotate to adjust the sealing force of the sealing valve (30); the adjustment knob (4) has an instrument introduction channel communicated with the sealing valve (30). The introducer sheath sealing device enables an introducer sheath to have both a sealing property and low introduction resistance, thereby improving the convenience and efficiency in surgical operations.
Inventors:
XIA SHUN (CN)
HUANG DINGGUO (CN)
HUANG DINGGUO (CN)
Application Number:
PCT/CN2021/117587
Publication Date:
February 16, 2023
Filing Date:
September 10, 2021
Export Citation:
Assignee:
SHANGHAI TENDFO MEDICAL TECH CO LTD (CN)
International Classes:
A61M39/22; F16L5/10
Domestic Patent References:
| WO1986002136A1 | 1986-04-10 |
Foreign References:
| CN113694367A | 2021-11-26 | |||
| CN113117227A | 2021-07-16 | |||
| US3040655A | 1962-06-26 | |||
| US3294427A | 1966-12-27 | |||
| CN211835810U | 2020-11-03 |
Attorney, Agent or Firm:
SHANGHAI BOJIE PATENT AGENCY (LLP) (CN)
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