Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Arterial prosthesis – Stent structure
Patent
1994-10-21
1996-06-04
Jones, Mary Beth
Prosthesis (i.e., artificial body members), parts thereof, or ai
Arterial prosthesis
Stent structure
606192, 606195, 606108, A61F 206
Patent
active
055228828
ABSTRACT:
A stent-graft delivery system which includes a catheter, an expandable balloon having non-tapered ends positioned near the distal end of the catheter, a stent circumferentially positioned around a center of the balloon, and a graft circumferentially positioned around the stent. The balloon configuration comprising non-tapered ends may be achieved by 1) preforming the balloon to the desired geometry which comprises substantially non-tapered ends; 2) positioning a non-compliant sheath over each of the ends of an existing balloon having tapered ends, or 3) invertedly attaching the first and second ends of a compliant tubular member to the catheter to form the desired balloon configuration. The desired balloon configuration is a balloon geometry which uniformly conforms to the geometry of the stent-graft assembly. A method for introducing the stent-graft delivery system into a blood vessel are also disclosed. The method includes inserting the stent-graft delivery system into the blood vessel, guiding the stent-graft assembly to the desired site, inflating the balloon of the balloon catheter, deflating the balloon, and withdrawing the catheter and expandable balloon. The stent-graft delivery systems are also suitable for introducing and delivering stents without grafts.
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Banas Christopher E.
Gaterud Mark T.
Khalilifard Fariba
Kowligi Rajagopal R.
Impra, Inc.
Jones Mary Beth
Rosenbaum David G.
Snow Bruce E.
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