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:
Sep. 01, 1998
Filed:
Sep. 06, 1996
Applicant:
Inventors:
Mamoru Nakada, Hachioji, JP;
Minoru Shinozuka, Hachioji, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604280 ; 604 96 ;
Abstract
A catheter to be used as an injection tube includes a flexible sheath to be inserted into a celom through an insertion channel of an endoscope for injecting a medicinal solution or the like into the celom through the sheath. The sheath includes a distal end portion which has a distal aperture smaller than the inside diameter of the sheath, a frontmost portion rounded with a radius of curvature larger than the thickness of the wall of the sheath, and at least one slit extending to the distal aperture.