Title:
RADIOTHERAPY STENT
Document Type and Number:
WIPO Patent Application WO/2023/125905
Kind Code:
A1
Abstract:
A radiotherapy stent (200), comprising a stent main body (210), the stent main body (210) being capable of elastically abutting against a wall of a tissue tract (100), and the stent main body (210) comprising an inner cavity for accommodating radioactive substances; and the radiotherapy stent (200) further comprising a sealing bolt head (230), the sealing bolt head (230) being detachably provided at an outlet position of the inner cavity to close or open the outlet. By providing the sealing bolt head (230) and a covering membrane (240), the radiotherapy stent (200) can seal the outlet of the inner cavity for accommodating radioactive substances, avoiding the problem of leakage caused by damage or excessive bending of the stent main body (210).
Inventors:
HUANG WANGXING (CN)
LIU CAIPING (CN)
XIAO BENHAO (CN)
LIU CAIPING (CN)
XIAO BENHAO (CN)
Application Number:
PCT/CN2022/143830
Publication Date:
July 06, 2023
Filing Date:
December 30, 2022
Export Citation:
Assignee:
LIFETECH SCIENT SHENZHEN CO (CN)
International Classes:
A61M36/12; A61F2/88; A61N5/10
Domestic Patent References:
| WO1999040971A1 | 1999-08-19 |
Foreign References:
| US20150190654A1 | 2015-07-09 | |||
| CN106974752A | 2017-07-25 | |||
| US6192271B1 | 2001-02-20 | |||
| CN203790087U | 2014-08-27 | |||
| CN211863596U | 2020-11-06 | |||
| US20040249343A1 | 2004-12-09 | |||
| US20170156841A1 | 2017-06-08 | |||
| US5282781A | 1994-02-01 | |||
| US6053900A | 2000-04-25 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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