Stent deployment system and method of use
First Claim
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1. A stent deployment system for transporting a stent to a deployment site and expanding the stent at the site, comprising:
- a substantially non-expandable deployment catheter having an expandable section incorporated therein near a distal end thereof, said expandable section being dimensioned to substantially conform in length to a stent positioned thereabout;
a balloon catheter having an inflatable balloon and being removably positioned within said expandable section of said deployment catheter;
said expandable section being sufficiently expandable to enable said inflatable balloon to be inflated therein to expand said stent.
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Abstract
A stent deployment catheter having an expandable section is inserted into a patient'"'"'s vasculature to position the expandable section within the diseased area. Various devices can then be quickly and easily inserted within the deployment catheter precisely positioned with respect to the diseased area, and withdrawn without traumatizing vessel tissue. Inflation of a balloon within the expandable section allows a lesion to be dilated or a stent mounted on the expandable section to be expanded and implanted in the vessel.
88 Citations
20 Claims
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1. A stent deployment system for transporting a stent to a deployment site and expanding the stent at the site, comprising:
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a substantially non-expandable deployment catheter having an expandable section incorporated therein near a distal end thereof, said expandable section being dimensioned to substantially conform in length to a stent positioned thereabout; a balloon catheter having an inflatable balloon and being removably positioned within said expandable section of said deployment catheter;
said expandable section being sufficiently expandable to enable said inflatable balloon to be inflated therein to expand said stent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method of deploying a stent within an artery, comprising:
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providing a substantially non-expandable stent deployment catheter having an expandable section near a distal end thereof and defining a lumen therein, and having an expandable stent fitted about said expandable section; advancing said deployment catheter through the artery so that said stent is positioned within a target area; providing a balloon catheter having an inflatable balloon and being removably positioned within the expandable section; aligning said inflatable balloon within said expandable section; inflating the inflatable balloon of the balloon catheter to expand said expandable section and said stent; deflating said inflatable balloon; and withdrawing said balloon catheter from the artery. - View Dependent Claims (19, 20)
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Specification