Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Arterial prosthesis – Stent combined with surgical delivery system
Reexamination Certificate
2005-08-30
2005-08-30
Philogene, Pedro (Department: 3732)
Prosthesis (i.e., artificial body members), parts thereof, or ai
Arterial prosthesis
Stent combined with surgical delivery system
C623S001240, C606S108000
Reexamination Certificate
active
06936065
ABSTRACT:
The present invention is a stent delivery system that uses short section of guidewire fixedly attached to the distal section of a balloon angioplasty catheter onto which a stent is co-axially mounted. By not having a guidewire that slides through the balloon of the balloon angioplasty catheter, the deflated balloon on which the stent is mounted can have a reduced diameter. Therefore, the outer diameter of the pre-deployed stent mounted onto that balloon is also minimized. This provides a smaller profile, i.e., a smaller outer diameter, for the stent. The time to perform a stent delivery procedure is reduced; a separate guidewire does not have to be placed prior to using the stent delivery system to place the stent at the site of a stenosis. Another embodiment of the present invention has a core wire that extends for nearly the entire length of the stent delivery system, the guidewire having different levels of stiffness for different portions of the core wire's length.
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Burgermeister Robert
Fischell David R.
Fischell Robert E.
Khan I. John
Cordis Corporation
Philogene Pedro
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