Stent bumper struts
First Claim
Patent Images
1. A medical device comprising:
- a stent, the stent having a reduced stale and an expanded state and being comprised of a plurality of interconnected struts, the stent being coated with a polymer matrix, the polymer matrix of at least one strut comprising a therapeutic substance, at least one strut having at least one bumper,in the reduced state the at least one bumper being immediately adjacent to the at least one strut comprising the therapeutic substance but not in contact with the theraceutic substance.
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Abstract
A medical device comprises a stent having a reduced state and an expanded state and which is comprised of a plurality of interconnected struts. At least one strut is at least partially coated with a substance. The at least one strut has at least one bumper. The at least one bumper is constructed and arranged to prevent the substance on the at least one strut from being contacted by an adjacent component of the medical device when the stent is in the reduced state.
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Citations
21 Claims
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1. A medical device comprising:
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a stent, the stent having a reduced stale and an expanded state and being comprised of a plurality of interconnected struts, the stent being coated with a polymer matrix, the polymer matrix of at least one strut comprising a therapeutic substance, at least one strut having at least one bumper, in the reduced state the at least one bumper being immediately adjacent to the at least one strut comprising the therapeutic substance but not in contact with the theraceutic substance. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method of producing a stent comprising:
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providing a stent having a reduced state and an expanded state and being comprised of a plurality of interconnected struts, the stent being coated with polymer matrix, at least one of the struts having a strut body and at least one bumper, the at least one bumper constructed and arranged to reduce or prevent contact between the strut body and an adjacent strut of stent when the stent is in the reduced state; placing a mask about at least a portion of the stent, thereby providing at least one exposed portion and at least one masked portion; placing a therapeutic substance on the at least one exposed portion; removing the mask. - View Dependent Claims (21)
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Specification