| 摘要 |
Endoprostheses include an endoprosthesis wall that includes a surface layer that includes a metallic material and that defines a plurality of pores. A therapeutic agent fills one or more pores of the surface layer and a non-polymeric coating, covers the therapeutic agent in the one or more pores. The endoprostheses can, for example, deliver a therapeutic agent, such as a drug, in a controlled manner over an extended period of time.
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