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US 8,895,099 B2Granted
Endoprosthesis
AssigneeBoston Scientific Scimed, Inc.
InventorsLiliana Atanasoska, Angela Kostrewa, Matthew Cambronne, James Q. Feng, Rajesh Radhakrishnan
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Abstract
Endoprostheses and methods of making endoprostheses are disclosed. For example, endoprostheses are described that include an endoprosthesis body, a biodegradable metallic tie layer, and a polymer coating about the endoprosthesis body. The biodegradable tie layer and the polymer coating can have a high peel strength from the body.
Claims15
A method of forming an endoprosthesis, comprising
- providing an endoprosthesis preform comprising a biodegradable metal, wherein the biodegradable metal is selected from magnesium or iron or alloys thereof;
- corroding the biodegradable metal to form a corroded metallic material having a surface morphology including features having thickness to width ratio of about 8:1, and
- coating the corroded metallic material with a polymer to form said endoprosthesis.
Dependencies are inferred from the claim text.