Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Arterial prosthesis – Stent combined with surgical delivery system
Reexamination Certificate
2007-10-23
2007-10-23
Dawson, Glenn K. (Department: 3731)
Prosthesis (i.e., artificial body members), parts thereof, or ai
Arterial prosthesis
Stent combined with surgical delivery system
C623S001110, C623S001420
Reexamination Certificate
active
10832619
ABSTRACT:
A medical device for delivery of a self-expanding stent comprises a catheter assembly having a catheter shaft and a self-expanding stent disposed thereabout. A retractable sheath is disposed about the catheter shaft and the stent. The retractable sheath retains the stent in a reduced diameter condition prior to delivery. A retractable membrane is also disposed about the catheter shaft and the stent prior to delivery. Prior to delivery a first portion of the membrane is positioned between the stent and the retractable sheath. A second portion of the retractable membrane extends from the first portion and is positioned radially external of the retractable sheath. The retractable sheath and the retractable membrane are independently moveable relative to one another.
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Boston Scientific Scimed Inc.
Dawson Glenn K.
Vidas Arrett & Steinkraus
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