Medical Devices and Methods of Making the Same
First Claim
Patent Images
1. 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.
2 Assignments
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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.
36 Citations
19 Claims
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1. 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 (2, 3, 4, 5, 6, 7)
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8. 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 (9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. 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.
Specification