Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Reexamination Certificate
2004-09-17
2008-03-18
Lucchesi, Nicholas (Department: 3763)
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
C604S095040, C604S509000, C606S194000
Reexamination Certificate
active
07344515
ABSTRACT:
A guiding catheter includes an elongate shaft with a central lumen and a mechanically expandable sealing membrane mounted about the distal end of the shaft. An expansion wire is slidably disposed in a dedicated lumen within the catheter, the expansion wire having an expandable distal portion with a pre-formed expanded shape capable of expanding the sealing membrane into sealing engagement with the wall of an artery to provide occlusion of blood flowing through the artery. In one embodiment, a steering wire is slidably disposed in a dedicated lumen within the catheter and is fixed adjacent the shaft distal end. Pushing or pulling the steering wire deflects the distal end of the catheter. In another embodiment, the guiding catheter has a pre-formed curve adjacent the distal end of the shaft.
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Crittenden James F.
Lucchesi Nicholas
Medtronic Vascular Inc.
Stigell Theodore J
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