Catheter with cryogenic and electrical heating ablation

Details Catheter with cryogenic and electrical heating ablation Catheter with cryogenic and electrical heating ablation

2011-04-18

2011-12-27

Dvorak, Linda (Department: 3739)

Surgery

Instruments

Cyrogenic application

C606S033000, C606S020000

Reexamination Certificate

active

08083732

ABSTRACT:
A catheter includes a cryoablation tip with an electrically-driven ablation assembly for heating tissue. The cryoablation tip may be implemented with a cooling chamber through which a controllably injected coolant circulates to lower the tip temperature, and having an RF electrode at its distal end. The RF electrode may be operated to warm cryogenically-cooled tissue, or the coolant may be controlled to conductively cool the tissue in coordination with an RF treatment regimen.

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