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:
Sep. 27, 2011
Filed:
Feb. 03, 2003
Jeffrey M. Arnold, Wellesley, MA (US);
Edward L. Sinofsky, Dennis, MA (US);
Lincoln S. Baxter, Centerville, MA (US);
Norman E. Farr, Monument Beach, MA (US);
Jeffrey M. Arnold, Wellesley, MA (US);
Edward L. Sinofsky, Dennis, MA (US);
Lincoln S. Baxter, Centerville, MA (US);
Norman E. Farr, Monument Beach, MA (US);
CardioFocus, Inc., Norton, MA (US);
Abstract
A cardiac ablation instrument includes a catheter body and a tear-shaped balloon that is connected to the catheter body. The instrument further includes a radiant energy emitter that is axially movable within a central lumen of the catheter body. A radiant energy transparent body surrounds the energy emitter and includes a plurality of illumination fibers disposed circumferentially about the energy emitter. A detector communicates with a contact sensing element and is configured to determine an amount of at least one color component of the reflected light The amount of the at least one color component being indicative of contact between the balloon and a target tissue site.