Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Arterial prosthesis – Stent combined with surgical delivery system
Reexamination Certificate
2005-09-20
2005-09-20
Nguyen, Anhtuan T. (Department: 3731)
Prosthesis (i.e., artificial body members), parts thereof, or ai
Arterial prosthesis
Stent combined with surgical delivery system
C623S001230
Reexamination Certificate
active
06945990
ABSTRACT:
A stent-graft deployment system (10) includes a stent-graft (15), a flexible catheter tip (12) attached to a catheter shaft (25), a retractable primary sheath (20) containing the stent-graft in a first constrained small diameter configuration around the catheter shaft near the flexible tip. The stent-graft deployment system further includes a flexible secondary sheath (14) disposed within the retractable primary sheath and also containing the stent-graft, wherein when the primary sheath is removed from around the stent-graft, the flexible secondary sheath contains the stent-graft in a second constrained small diameter configuration around the catheter shaft near the flexible tip. The removal of the secondary sheath releases the stent-graft from a radial constraint so that stent-graft deployment may proceed.
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Houston Elizabeth
Medtronic Vascular Inc.
Nguyen Anhtuan T.
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