Surgery – Instruments – Suture – ligature – elastic band or clip applier
Reexamination Certificate
2004-07-01
2008-03-18
Farah, A. (Department: 3735)
Surgery
Instruments
Suture, ligature, elastic band or clip applier
C606S151000
Reexamination Certificate
active
07344543
ABSTRACT:
A catheter apparatus is provided for isolation of the left atrial appendage (LAA) having a catheter shaft, a probe disposed within the catheter shaft, and a control mechanism coupled to both the catheter shaft and the probe. The catheter shaft includes a main body with a distal tip section. The tip section can be deflected from the shaft's central axis in a controlled manner. The probe can be extended outward from the catheter shaft and has a distal end that is brought into contact with the LAA. The control mechanism controls the catheter shaft's rotational and longitudinal movement, the tip section's degree of deflection, and the probe's axial movement with respect to the catheter shaft. Preferably, the distal end is able to form a pre-stressed loop selected to have a size allowing it to substantially encircle the LAA's base. A method for epicardial isolation of the LAA is also provided.
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Farah A.
Jansson & Shupe & Munger Ltd.
Medtronic Inc.
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