The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 11, 2025
Filed:
Jul. 29, 2019
Applicant:
Sam Youl Yoon, Seoul, KR;
Inventor:
Min Young Jeong, Seoul, KR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 27/00 (2006.01); A61M 1/00 (2006.01);
U.S. Cl.
CPC ...
A61M 27/00 (2013.01); A61M 1/82 (2021.05); A61M 1/84 (2021.05); A61M 2210/1071 (2013.01);
Abstract
A biliary drainage device for negative pressure-retrograde installation of percutaneous transhepatic biliary drainage (NR-PTBD) according to the present disclosure is in a pancreaticoduodenectomy process, the biliary drainage device including a flexible tube having a suction port formed at one side end and mounted on an afferent loop in order to suck bile; and a guide member installed at the other end of the tube so that the tube inserted through a cut part of a biliary tract can penetrate a liver tissue.