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:
Aug. 19, 2025
Filed:
Feb. 28, 2022
Applicants:
Hiroyuki Isayama, Hachioji, JP;
Olympus Medical Systems Corp., Hachioji, JP;
Inventors:
Assignees:
[object Object];
OLYMPUS MEDICAL SYSTEMS CORP., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 17/34 (2006.01); A61F 2/04 (2013.01); A61M 27/00 (2006.01); A61M 29/02 (2006.01); A61B 17/32 (2006.01); A61M 25/09 (2006.01);
U.S. Cl.
CPC ...
A61M 27/002 (2013.01); A61B 17/3478 (2013.01); A61F 2/04 (2013.01); A61M 29/02 (2013.01); A61B 2017/320056 (2013.01); A61F 2002/041 (2013.01); A61M 25/09 (2013.01);
Abstract
A method of forming an access route to the bile duct includes: forming a tunnel extending from an oral ridge of a duodenal papilla, which is located on an oral side of a natural opening of a duodenal papilla, to the bile duct; and dilating a lumen of the tunnel more than when it was formed.