Method and apparatus for treatment of atrial fibrillation

Surgery – Instruments – Electrical application

Reexamination Certificate

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Details

C606S048000, C606S049000, C606S051000, C606S052000, C607S101000, C607S104000

Reexamination Certificate

active

07147633

ABSTRACT:
Methods and apparatus of embodiments of the invention are adapted to treat tissue inside a patient's body. Aspects of the invention can be used in a wide variety of applications, but certain embodiments provide minimally invasive alternatives for treating atrial fibrillation by delivering a tissue-damaging agent to selected areas of the heart. One exemplary embodiment of the invention provides a method of treating cardiac arrhythmia. This method includes positioning a distal tissue-contacting portion of a body in surface contact with a tissue surface of cardiac tissue; detecting the surface contact between the tissue-contacting portion and the tissue surface; and thereafter, injecting a tissue-ablating agent into the cardiac tissue through the tissue-contacting portion of the body.

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