Surgery – Instruments – Electrical application
Patent
1996-10-18
2000-07-04
Cohen, Lee S.
Surgery
Instruments
Electrical application
606 49, 606 52, 128642, A61B 1739, A61B 50402
Patent
active
060832223
ABSTRACT:
A deflectable catheter for ablating tissue in the heart of a patient comprising: an axially elongated catheter shaft sized and constructed to be advanced through the vasculature of a patient into the patient's heart; a deflection wire; and an ablation electrode having first and second opposed electrically conductive surfaces exposable for contact with a selected area of tissue within the patient's heart and movable with respect to each other to apply gripping force to the contacted area of heart tissue for stabilizing the position of the electrically conductive surfaces of the ablation electrode relative to the selected area of heart tissue. The ablation electrode has a first rigid surface exposed for contact with the vasculature of the patient during advancement of the catheter therethrough and has an electrically conductive second rigid surface exposable for contact with a selected area of tissue within the patient's heart, wherein the axially transverse area circumscribed by the first surface of the ablation electrode is less than the tissue-contacting area exposable by the second rigid surface. Therapeutic treatments of the heart of a patient are also disclosed.
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Coen Thomas T.
Klein George J.
Koblish Josef V.
Boston Scientific Corporation
Cohen Lee S.
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