Surgery – Instruments – Electrical application
Patent
1996-05-16
1998-09-01
Peffley, Michael
Surgery
Instruments
Electrical application
606 45, 607105, A61B 1739
Patent
active
058004289
ABSTRACT:
A radio frequency (RF) ablation catheter system utilizes a flexible, tubular electrode that is selectively extendable from a distal end of a catheter body. The flexible, tubular electrode creates a continuous linear lesion when a longitudinal side of the electrode is arcuately positioned against an interior wall of the human body and the electrode is energized while a cooling fluid passes through the electrode. The catheter system also includes mechanisms for remotely manipulating and extending the electrode. Preferably, the catheter body include a catheter shaft and a flexible tip section such that the distal end of the catheter is steerable. The invention also includes a method of operating the RF catheter ablation system so as to create arcuate linear lesions.
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McFarlin Whitney A.
Nelson Dale K.
Pedersen Brad D.
Savage Steven D.
Angeion Corporation
Pedersen Brad D.
Peffley Michael
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