Ablation catheter having electrode means and methods thereof

Details Ablation catheter having electrode means and methods thereof Ablation catheter having electrode means and methods thereof

1998-12-09

2000-12-05

Dvorak, Linda C. M.

Surgery

Instruments

Electrical application

607101, 607122, A61B 1818

Patent

active

061560332

ABSTRACT:
An improved ablation catheter with a plurality of needles on at least one electrode suitable for radiofrequency ablation of cardiac tissues includes a delivery catheter and an inner catheter. The ablation catheter has a temperature sensor and a closed-loop temperature controller. The steerable catheter having at least one electrode includes a plurality of needles, wherein a longitudinal length of said at least one electrode is 4 mm or longer, a distance of the needles of the plurality of needles on the at least one electrode is 2 mm or less, a height of the plurality of needles is 1 mm or less, and wherein the plurality of needles on the at least one electrode faces a target tissue side.

REFERENCES:
patent: 5994715 (1999-08-01), Goble et al.

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