Radio frequency transmyocardial revascularization channel format

Details Radio frequency transmyocardial revascularization channel format Radio frequency transmyocardial revascularization channel format

1997-08-25

2000-11-21

Dvorak, Linda C. M.

Surgery

Instruments

Electrical application

604114, 606 49, 607122, A61B 1818

Patent

active

061496499

ABSTRACT:
A method and device for transmyocardial revascularization using RF energy. A signal probe having a signal electrode is inserted into a myocardium. A return probe having a return electrode is placed on or within the myocardium. RF energy is supplied to the signal electrode, and forms a conductive path to the return electrode. At least one fissure within the myocardium is formed along the conductive path, allowing blood to perfuse within the fissure and revascularize the myocardium. A number of probe and electrode configurations are provided, including the use of multiple probes and electrodes, hollow probes to provide a coring effect, and pressurized fluid-supplying probes.

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