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. 14, 2001
Filed:
Jan. 21, 1999
Olympus Optical Co., Ltd., Tokyo, JP;
Abstract
A high-frequency treatment tool includes an insertion portion which can be inserted into a body, a pair of gripping portions arranged at a distal end portion of the insertion portion and having gripping surfaces for gripping vital tissue, a driving mechanism for opening/closing the gripping portions between closing positions where the gripping portions abut against each other and open positions where the gripping portions are separated from each other, electrode portions formed on the gripping surfaces of the gripping portions, to which a high-frequency current is flowed to coagulate/incise the vital tissue gripped by the gripping portions, and a short circuit prevention portion for preventing a short circuit between the electrode portions of the gripping portions when the gripping portions are placed at least at the closing positions.