Medical devices containing multi-component fibers

A medical device comprising a metallic substrate and a fibrous layer disposed over said substrate, said fibrous layer comprising a multi-component polymeric fiber which comprises a first component comprising a first polymer and a second component comprising a second polymer that differs from said first polymer, said multi-component polymeric fiber further comprising a therapeutic agent wherein:

• a) said first component extends to an outside surface of said fiber and said second component is internal to said fiber;
• b) said first component comprises a water-swellable polymer;
• and
• c) said second component comprises a biostable polymer.