A surgical device suitable for anchorage of a thread or wire to a bone having a hole bored therein. The device includes a thread or wire in the form of a loop having a running knot. The thread or wire carries a deformable tubular sleeve which slides along the thread or wire within the limits of the loop....http://www.google.de/patents/US5989252?utm_source=gb-gplus-sharePatent US5989252 - Surgical device for anchoring in bone, and ancillary for inserting it
