Delivery device for an endoluminal prosthesis
First Claim
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1. A system for endoluminally delivering and deploying a prosthesis, the system comprising:
- a prosthesis having an end portion and a body portion, the end portion including a self-expanding stent having a hardness; and
a cover for maintaining at least a portion of the stent in a compressed state until deployment, the cover having a generally tubular cavity with an inner surface, wherein the stent is biased into contact with the inner surface of the cover, the inner surface having a hardness that is equal to or greater than the hardness of the stent, wherein the inner surface comprises a ceramic material.
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Abstract
A system for endoluminally delivering and deploying a prosthesis includes a prosthesis comprising a self-expanding stent and a cover for retaining at least a portion of the self-expanding stent. The stent is biased into contact with an inner surface of the cover. The inner surface has a hardness that is equal to or greater than the hardness of the stent. Additional aspects of the invention are disclosed and include a method of manufacturing an endoluminal prosthesis delivery and deployment system.
21 Citations
10 Claims
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1. A system for endoluminally delivering and deploying a prosthesis, the system comprising:
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a prosthesis having an end portion and a body portion, the end portion including a self-expanding stent having a hardness; and a cover for maintaining at least a portion of the stent in a compressed state until deployment, the cover having a generally tubular cavity with an inner surface, wherein the stent is biased into contact with the inner surface of the cover, the inner surface having a hardness that is equal to or greater than the hardness of the stent, wherein the inner surface comprises a ceramic material. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A system for endoluminally delivering and deploying a prosthesis, the system comprising:
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a prosthesis having an end portion and a body portion, the end portion including a self-expanding stent having a hardness; and a cover for maintaining at least a portion of the stent in a compressed state until deployment, the cover having a generally tubular cavity with an inner surface, wherein the stent is biased into contact with the inner surface of the cover, the inner surface having a hardness that is equal to or greater than the hardness of the stent, wherein the cover comprises a plastic body with a ceramic inner surface.
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8. A method of manufacturing an endoluminal prosthesis delivery and deployment system, the method comprising the steps of:
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providing a prosthesis having a proximal end and a distal end, at least one of the proximal and distal ends including a self-expanding stent having a hardness; providing a cover having a cavity defining an inner surface, the inner surface having a hardness that is equal to or greater than the hardness of the stent; and
retaining at least a portion of the stent within the cavity so that the stent is biased into contact with the inner surface, wherein the cover providing step comprises providing a ceramic inner surface. - View Dependent Claims (9, 10)
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Specification