Quilled suture

from The Collaborative International Dictionary of English v.0.48

Quilled \Quilled\, a.
   Furnished with quills; also, shaped like quills. "A
   sharp-quilled porcupine." --Shak.
   [1913 Webster]

   {Quilled suture} (Surg.), a variety of stitch in which the
      threads after being passed deeply through the edges of a
      wound are secured about two quills or bodies of similar
      shape, in order to produce a suitable degree of pressure.
      [1913 Webster]