Abstract: 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. Also, there is provided an ancillary for inserting the anchoring device. The ancillary includes a shaft suitable for introduction into the hole bored in the bone, which at one end has a spike that can hold the loop of thread or wire, and at the other end has a handle for manipulation.