Multiple layer stent

A multiple layer stent comprising:

• an outer generally hollow tubular stent formed from at least one thread element helically wound around a longitudinal axis of the multiple layer stent to provide a braided mesh construction;
• an inner generally hollow tubular self-expanding stent coaxially disposed within the outer stent and formed from at least one thread element helically wound around a longitudinal axis of the multiple layer stent to provide a braided mesh construction;
• and
• a layer of polymeric material covering at least a portion of the multiple layer stent.

A stent comprising:

• a first layer of material having an axial length and defining a generally hollow, tubular construction;
• a second layer of material having an axial length greater than the axial length of the first layer and defining a generally hollow, tubular construction disposed inside of the first layer of material;
• and
• a layer of polymeric material disposed between the first layer of material and the second layer of material.

A multiple layer stent comprising:

• an outer generally hollow tubular stent having an axial length formed from at least one thread element helically wound around a longitudinal axis of the multiple layer stent to provide a braided mesh construction;
• an inner generally hollow tubular stent greater than the axial length of the outer stent and coaxially disposed within the outer stent and formed from at least one thread element helically wound around a longitudinal axis of the multiple layer stent to provide a braided mesh construction;
• and
• a layer of polymeric material covering at least a portion of the multiple layer stent.