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:
Feb. 11, 1992
Filed:
Jun. 25, 1990
Applicant:
Inventors:
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
606159 ; 604 22 ;
Abstract
A venous valve-incising device is made up of a flexible insertion member having a distal end, a hard tip attached to the distal end of the insertion member, and a coupling member for detachably coupling the hard tip and the distal end of the insertion member together. The hard tip includes a rod portion, and a curved portion curved at a predetermined angle with respect to the axis of the road portion and having a rear edge on which a cutting edge is formed.