Surgical screw and washer

Details Surgical screw and washer Surgical screw and washer

1998-02-13

1999-10-05

Buiz, Michael

Surgery

Instruments

Orthopedic instrumentation

606232, 606151, 606213, 606224, A61B 17064

Patent

active

059615214

ABSTRACT:
A surgical fastener for fixation of graft tendon in a bone hole comprising a screw having a head, neck, and shank, and a washer disposed about the neck. The tendon is attached to the washer so as to ensure that the tendon is immobilised between the head of the screw and the wall of the bone hole thereby reducing pistoning under load and reducing graft failure. In one embodiment, the fastener includes a bone plug disposed about the neck of the screw between the head and the washer, the neck being adapted to laterally press the bone plug and thereby immobilise a tendon attached to the washer between the bone plug and the wall of the bone hole. In another embodiment, the invention consists in a surgical staple having two substantially parallel legs, a transverse head member and a washer which holds a loop of tendon under the staple when it is inserted into a bone.

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