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. 17, 1987
Filed:
Jul. 28, 1986
Applicant:
Inventor:
Eberhard Roos, Tuttlingen, DE;
Assignee:
Berchtold Medizin-Elektronik GmbH & Co., Tuttlingen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
12830314 ; 12830317 ;
Abstract
In an electro-surgical r.f. cutting instrument in which the neutral electrode (11) is arranged on both sides of the cutting electrode (12) but is however set back relative to the cutting electrode (12) on the instrument body (13). The ratio of the sizes of the contact areas (14, 15) of the neutral electrode (11) and of the cutting electrode (12) is greater than 7:1 and smaller than 20:1.