Catheter with bifurcated, collapsible tip for sensing and...

Details Catheter with bifurcated, collapsible tip for sensing and... Catheter with bifurcated, collapsible tip for sensing and...

2006-08-08

2006-08-08

Dvorak, Linda C. M. (Department: 3739)

Surgery

Instruments

Electrical application

C606S047000

Reexamination Certificate

active

07087053

ABSTRACT:
A sensing and ablation electrode includes bifurcated sensing limbs separated by an ablation web. The electrode is disposed on the distal end of a catheter. The sensing limbs each support an array of sensors that are individually wired for mapping and post ablation efficacy testing. The web includes a pair of pliable membranes that define a lumen and are adapted to collapse the cross-section of the electrode. One membrane defines a plurality of apertures for dispersing a conductive fluid medium as a virtual electrode. The sensors and the apertures all lie within substantially the same plane.

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