Catheter system having cooled multiple-needle electrode and meth

Details Catheter system having cooled multiple-needle electrode and meth Catheter system having cooled multiple-needle electrode and meth

1998-04-20

1999-08-17

Dvorak, Linda C. M.

Surgery

Instruments

Electrical application

607101, 607122, A61B 1739

Patent

active

059386592

ABSTRACT:
A method for operating a steerable ablation catheter having at least one multiple-needle electrode at the tip section of an inner catheter within a heart chamber, wherein the ablation catheter including at least one multiple-needle electrode is inserted into a chamber of the heart to create a plurality of deep, large, and contiguous lesions by applying radiofrequency energy and cooled fluid to the electrode.

REFERENCES:
patent: 5487385 (1996-01-01), Avitall
patent: 5643197 (1997-07-01), Brucker et al.
patent: 5688267 (1997-11-01), Panescu et al.
patent: 5697927 (1997-12-01), Imran et al.

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