Medical devices and methods of making the same
First Claim
Patent Images
1. A stent, comprising:
- a member including a first portion; and
a second portion disposed outwardly of the first portion, the second portion being more radiopaque than the first portion and having a first layer including a radiopaque material, and a second layer defining an outer surface of the member and including the radiopaque material and a second material.
1 Assignment
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Accused Products
Abstract
An endoprosthesis, such as a stent, having a layer that can enhance the biocompatibility of the endoprosthesis, and methods of making the endoprosthesis are disclosed.
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Citations
42 Claims
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1. A stent, comprising:
a member including a first portion; and
a second portion disposed outwardly of the first portion, the second portion being more radiopaque than the first portion and having a first layer including a radiopaque material, and a second layer defining an outer surface of the member and including the radiopaque material and a second material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A stent, comprising:
a member including a first portion having a first layer including a radiopaque material, and a second layer defining an outer surface of the member and including the radiopaque material and a second material.
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13. A stent, comprising:
a member having a first portion; and
a second portion disposed outwardly of the first portion, the second portion being more radiopaque than the first layer and including a first layer comprising a radiopaque material, and a second layer comprising the radiopaque material and defining an outer surface of the member, the second layer having a lower oxidation potential than an oxidation potential of the first layer. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A stent, comprising:
a member having a first portion including a first layer comprising a radiopaque material, and a second layer comprising the radiopaque material and defining an outer surface of the member, the second layer having a lower oxidation potential than an oxidation potential of the first layer.
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25. A stent, comprising:
a member including a first portion having a concentration gradient of a radiopaque material, the first portion defining an outer surface of the member. - View Dependent Claims (26, 27, 28, 29, 30, 31)
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32. A method of making a stent including a member, the method comprising:
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forming an outer layer on the member, the outer layer comprising a radiopaque material and a second material; and
oxidizing a portion of the outer layer. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39, 40, 41, 42)
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Specification