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:
May. 25, 2010
Filed:
Jan. 26, 2005
Applicants:
Takashi Kawabata, Hasuda, JP;
Tadatsugu Onuma, Kawaguchi, JP;
Yasuo Sakano, Tokorozawa, JP;
Inventors:
Assignee:
Japan Lifeline Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61B 18/18 (2006.01); A61B 5/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A radiofrequency electric current ablation catheter comprising a tip electrode, a means for detecting temperature of the tip electrode, a catheter shaft and a portion for operation at proximal end, wherein the tip electrode has a shape formed by connecting three or more spherical or approximately spherical surfaces having centers on the same straight line to each other with a curved surface. The catheter has the tip electrode which has a small diameter, is brought into excellent contact with organisms, can provide a great output power and is easily cooled with the circulating blood stream.