Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical energy applicator
Reexamination Certificate
2011-02-01
2011-02-01
Schaetzle, Kennedy J (Department: 3766)
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical energy applicator
C607S099000, C607S119000, C606S129000, C600S374000, C600S585000
Reexamination Certificate
active
07881809
ABSTRACT:
A cardiac catheter for minimally invasive diagnostic and/or ablation procedures includes an elongated cylindrical, electrically non-conductive exterior tube with surface electrodes disposed on its distal portion and a handle on its proximal end. The distal portion can be curved into a curvature retained by a single action on a manual actuator. An electromechanical drive system may be incorporated into the handle. An electrical heating element may be incorporated within the distal electrode for ablation procedures. A removable, disposable blood contacting segment may be provided. The non-blood contacting actuator is thus reusable. The catheter includes two tension/compression members, which are wires with circular cross-sections that are integrally formed into ribbon-like configurations at their distal portions, for curvature formation. The handle includes a pivoted member movable in one direction by the thumb of the user's hand grasping the handle and in the opposite direction by the other fingers of the same hand.
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Schaetzle Kennedy J
St. Jude Medical, Atrial Fibrillation Division, Inc.
Wiley & Rein LLP
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