Title:
DRAINAGE TUBE
Document Type and Number:
WIPO Patent Application WO/2023/136341
Kind Code:
A1
Abstract:
The present invention is a drainage tube (1) for discharging a fluid to be discharged such as pus accumulated in an in-vivo gallbladder (11) to the exterior of the gallbladder (11), and comprises a preceding-stage tube (2) which is inserted in the gallbladder (11), and a subsequent-stage tube (3) which is bonded the end among the two ends of the preceding-stage tube (2) which is on the reverse side from the end that is inserted in the gallbladder (11), wherein the preceding-stage tube (2) and the subsequent-stage tube (3) are bonded together by fitting the interior surface of the subsequent-stage tube (3) over the exterior surface of the preceding-stage tube (2). There is also provided an push-out member which is used for separating the preceding-stage tube (2) from the subsequent-stage tube (3) and with which the end of the preceding-stage tube (2) on the reverse side from the end that is inserted in tissue is pushed out of the subsequent-stage tube (3).
Inventors:
OKUZONO TORU (JP)
MIYAMOTO KOICHIRO (JP)
MIYAMOTO KOICHIRO (JP)
Application Number:
PCT/JP2023/000958
Publication Date:
July 20, 2023
Filing Date:
January 16, 2023
Export Citation:
Assignee:
UNIV TOHOKU (JP)
OKUZONO TORU (JP)
OKUZONO TORU (JP)
International Classes:
A61M1/00; A61M25/00
Foreign References:
| US20120095567A1 | 2012-04-19 | |||
| JPH09313598A | 1997-12-09 | |||
| JP2003116982A | 2003-04-22 | |||
| JP2011010834A | 2011-01-20 |
Attorney, Agent or Firm:
TAZAKI Akira et al. (JP)
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