Surgery – Instruments – Electrical application
Reexamination Certificate
2004-12-23
2010-02-02
Peffley, Michael (Department: 3739)
Surgery
Instruments
Electrical application
C604S101010, C606S192000, C606S027000
Reexamination Certificate
active
07655005
ABSTRACT:
The present invention involves a surgical device and method of use, particularly an assembly and method incorporating dual expandable members along the distal region of an ablation device to facilitate ablation of a circumferential region of tissue engaged by the expandable member. The ablation device assembly includes an elongate body with a proximal end portion, a distal end portion, and a longitudinal axis. A first expansion element is located along the distal end portion of the elongate body, and is fluidly coupled to a first source of inflation fluid. A second expansion element having a circumferential wall is located along the distal end portion proximal the first expansion element, and is fluidly coupled to a second source of inflation fluid. An ablation element having an ablative energy source is located along the distal end portion within the second expansion element, wherein the ablation element cooperates with the second expansion element such that the ablative energy source emits a substantially circumferential pattern of energy through the circumferential wall.
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Biosense Webster Inc.
Peffley Michael
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