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:
Nov. 12, 1991
Filed:
Mar. 06, 1990
Applicant:
Inventor:
Ehrenfried Bitrolf, Knittlingen-Kleinvillars, DE;
Assignee:
Richard Wolf GmbH, Knittlingen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
606 46 ; 606 49 ;
Abstract
The invention relates to an electro-surgical instrument having a probe stem whose distal end is provided with an electrode connectable to an HF current source. To enable the electrode to be used both for coagulation and for resection accompanied by coagulation, the electrode has a part-spherical portion and an annular portion. This annular portion is arranged to project up at an angle from a plane face of the part-spherical portion.