Patent ID: 8715334

Claim:
A stent, the stent comprising a plurality of interwoven quill filaments extending from a first end to a second end of the stent, each quill filament comprising: a first end and a second end; filament material, a first filament zone with a plurality of quills oriented towards the first end of the quill filament, a second filament zone with a plurality of quills oriented towards the second end of the quill filament, and a medial filament zone extending between and connecting the first and second filament zones, wherein the medial filament zone has no quills, a surface, and each quill having a tip, a body, and a base, the body extending from the base to the tip, wherein: each medial filament zone forms a loop at the first end of the stent, at least a portion of the stent comprises the plurality of quills, and each quill is oriented towards the second end of the stent.