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.

Date of Patent:
Aug. 26, 2003

Filed:

Jun. 28, 2001
Applicant:
Inventor:

Katie Messing, San Jose, CA (US);

Assignee:

SciMed Life Systems, Inc., Maple Grove, MN (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 5/04 ; A61B 1/818 ;
U.S. Cl.
CPC ...
A61B 5/04 ; A61B 1/818 ;
Abstract

Various catheter designs with irrigated tip electrodes are provided for reducing the heating of the tip resulting from RF biasing. The electrode tip of the catheter may be comprised of a highly thermal conductivity layer covered by a biologically compatible material and having irrigation or irrigation channels for removing excess thermal energy from the catheter tip and the surrounding area of the catheter tip. The catheter tip may be designed with multiple irrigation channels, multiple channel pathways, and/or exterior shapes to improve the cooling of the tip. These approaches may be used individually or in combination to produce a catheter tip with improved heat dissipation characteristics.


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