Stent
First Claim
1. A stent, the stent comprising a plurality of members, at least one of the plurality of members having a first surface, the first surface having a coating deposited thereon, the coating comprising a first therapeutic agent, the coating defining at least one depression.
1 Assignment
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Accused Products
Abstract
In at least one embodiment, the invention is directed to mechanisms that affect the elution rate of a therapeutic agent that has been deposited on the surface of at least a portion of a stent. Mechanisms include grooves formed in the therapeutic agent that is coating at least a portion of the surface of the stent.
In at least one embodiment, the invention is directed to the directional release of a therapeutic agent contained within a reservoir formed in at least one member of a stent.
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Citations
16 Claims
- 1. A stent, the stent comprising a plurality of members, at least one of the plurality of members having a first surface, the first surface having a coating deposited thereon, the coating comprising a first therapeutic agent, the coating defining at least one depression.
- 11. A stent, the stent having a body comprising a plurality of members, the plurality of members defining the body of the stent, the body comprising a first region and a second region, the first region having a first therapeutic agent, the second region having a second therapeutic agent, the first therapeutic agent having a first elution rate and the second therapeutic agent having a second elution rate, the first elution rate greater than the second elution rate.
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14. A method of increasing the surface area of a coating on at least one member of a stent, comprising the steps of:
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providing a stent, the stent comprising a plurality of members, each of the plurality of members having a first surface, at least one of the plurality of members having a coating, the coating deposited on the first surface, the coating having a first surface area; and forming at least one depression in the coating, the at least one depression causing the coating to have a second surface area, the second surface area greater than the first surface area. - View Dependent Claims (15, 16)
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Specification