Surgery – Miscellaneous – Methods
Patent
1990-12-31
1992-05-12
Thaler, Michael H.
Surgery
Miscellaneous
Methods
606 2, A61B 1736
Patent
active
051118327
ABSTRACT:
Tachyarrhythmias are corrected by in vivo ablation of human heart tissue employing laser energy delivered by means of elongated optical fibers in a series of short discrete pulses to sites of tachyarrhythmia foci. The operation may be conducted by a thoracotomy or by means of an optical fiber carried by a catheter passed into the heart via a blood vessel. An argon ion laser is preferred. The processes have been demonstrated successfully in 20 clinical operations pursuant to an experimental protocol.
REFERENCES:
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patent: 4641912 (1987-02-01), Goldenberg
patent: 4785815 (1988-11-01), Cohen
Saksena S, Ciccone J, Chandran P, Pantopoulos D, Lee B, Rothbart ST, "Laser Ablation of Normal and Diseased Human Ventricle", AM Heart J 112:52-60 Jul. 1986.
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Ciccone J, Saksena S, Pantopoulos D, "Comparative Efficacy of Continuous and Pulsed Argon Laser Ablation of Human Diseased Ventricle", PACE 9:697-704, Sep.-Oct. 1986.
Saksena S, Hussain SM, Gielchinsky I, Gadhoke A, Pantopoulos D, "Intraoperative Mapping-Guided Argon Laser Ablation of Malignant Ventricular Tachycardia", Am J Cardiol 59:78-83, 1987.
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