Suction ablation catheter

Details Suction ablation catheter Suction ablation catheter

1987-10-29

1989-05-23

Jaworski, Francis

Surgery

Truss

Pad

128642, 12830315, A61N 100

Patent

active

048320480

ABSTRACT:
A suction ablation catheter, for use in inactivating portions of the heart's conduction system to prevent abnormal heartbeat rates, comprises a tubular body having an open, distal end and a proximal aperture for applying suction through the catheter and through the distal end. The catheter also has an electrode at or adjacent the distal end, and an electrode lead extending along the catheter for communication by the electrode with a power source. In accordance with this invention, a tubular, insulating member made of refractory material is positioned adjacent the distal end, the electrode being positioned within the insulating member to localize the effects of electrical pulses emitted from the electrode.

REFERENCES:
patent: 3911928 (1975-10-01), Lagergren
patent: 4347842 (1982-09-01), Beale
patent: 4413636 (1983-11-01), Jasso
patent: 4582067 (1986-04-01), Silverstein et al.
patent: 4641649 (1987-02-01), Walinsky et al.
patent: 4697595 (1987-10-01), Breyer et al.
patent: 4719914 (1988-01-01), Johnson
Brochure-Cordis Corporation-Cordis Ducor Lumelec Electrode Catheters (2 pages), Dec., 1984.
Article entitled Cardiac Pacing-Electrophysiology, Tachyarrhythmias, by Polgar et al.,-Madrid, 1985, pp. 1582-1587.
Article entitled Comparison of Two Different Techniques for Closed-Chest His Bundle Ablation, by P. Polgar et al., pp. 1578 through 1581.
Article entitled Catheter Ablation in Dysrhythmias by Paul C. Gillette, M.D., Cardio, Mar. 1984 (pp. 67 through 69).
Article entitled Transvenous Catheter Ablation of a Posteroseptal Accessory Pathway in a Patient with the Wolff-Parkinson-White Syndrome by Fred Moraday, M.D. and Melvin M. Scheinman, M.D., Medical Intelligence (vol. 310, No. 11-pp. 705-707) (3/15/84).
Article entitled Closed-Chest Ablation of His Bundle: A New Technique Using Suction Electrode Catheter and DC Shock by P. Polgar et al.-Nachdruck aus: Cardiac Pacing pp. 883-890 (1983), Dr. D. Steinkopff Verlag Darmstadt.

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