Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical energy applicator
Patent
1993-08-27
1995-04-11
Rosenbaum, C. Fred
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical energy applicator
607122, 607120, 604131, 604272, A61M 2514
Patent
active
054053765
ABSTRACT:
An ablation catheter and a method of performing cardiac ablation using alcohol or other ablating agents. The catheter is provided with a helical hollow needle, which is screwed into heart tissue, after which the ablating agent is delivered through the needle. Prior to ablation, the catheter may be employed to locate an appropriate ablation site or to assess the suitability of an identified ablation site by injection of a exitability reducing agent such as lidocaine, through the hollow needle, followed by a determination of whether the arrhythmia intended to be treated as temporarily terminated.
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U.S. Statutory Invention Registration H356, Pub. Nov 3, 1987 Sekes et al.
"Transcoronary Chemical Ablation of Arrhythmias", by Nellens et al., PACE, vol. 15, pp. 1368-1373, Sep., 1992.
"Chemical Ablation by Subendocardial Injection of Ethanol, via Catheter-Preliminary Results in the Pig Heart", Weismuller et al., European Heart Journal, vol. 12, pp. 1234-1239, 1991.
Hoey Michael F.
Mulier Peter M. J.
Duthler Reed A.
Medtronic Inc.
Patton Harold R.
Rosenbaum C. Fred
Van Over Perry E.
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