Catheter with multi port tip for optical lesion evaluation

Details Catheter with multi port tip for optical lesion evaluation Catheter with multi port tip for optical lesion evaluation

2006-06-13

2010-02-16

Dvorak, Linda C (Department: 3739)

Surgery

Instruments

Electrical application

C606S015000

Reexamination Certificate

active

07662152

ABSTRACT:
A catheter is adapted to ablate tissue and provide optically-based lesion qualitative and quantitative monitoring, comprising a catheter body and a tip electrode distal the catheter body adapted for ablating tissue, the tip electrode having a shell and an alignment member defining a hollow distal portion therebetween. In accordance with the invention, the catheter further includes a plurality of optical waveguides adapted to transmit optical energy to and from the tip electrode. A distal portion of each waveguide extends through the hollow distal portion and terminates in openings formed in the shell. Advantageously, the alignment member fixedly secures the distal portion of each waveguide against movement relative to the alignment member and the shell.

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International Search Report and Written Opinion of the International Searching Authority, International Application No. PCT/US2007/071107, mailed Nov. 19, 2007.

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