Apparatus and method for attaching a graft ligament to a bone

Details Apparatus and method for attaching a graft ligament to a bone Apparatus and method for attaching a graft ligament to a bone

2011-06-21

2011-06-21

Robert, Eduardo C (Department: 3775)

Surgery

Instruments

Orthopedic instrumentation

C606S098000, C606S328000, C623S013140

Reexamination Certificate

active

07963984

ABSTRACT:
A novel fixation system for fixing a graft ligament in a bone tunnel. The fixation system comprises an interference screw comprising a body having a distal end and a proximal end, screw threads extending longitudinally along the body, and a transversely-extending region formed in the body for receiving a transverse pin therein, whereby to securely lock the interference screw, and hence the graft ligament, to the bone. In accordance with a further feature of the present invention, there is provided a method for attaching a graft ligament to a bone, the method comprising the steps of: (i) drilling a tunnel in the bone; (ii) positioning the graft ligament in the bone tunnel; (iii) placing an interference screw in the bone tunnel so as to force the graft ligament laterally against the opposite side of the bone tunnel; and (iv) advancing a transverse pin transversely through the bone and through the interference screw so as to securely lock the interference screw, and hence the graft ligament, to the bone. The present invention can also be applied to attach other objects to bone, e.g., a bone fragment to bone.

REFERENCES:
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patent: 5431651 (1995-07-01), Goble
patent: 5542847 (1996-08-01), Margulies
patent: 5890902 (1999-04-01), Sapian
patent: 5891150 (1999-04-01), Chan
patent: 6214012 (2001-04-01), Karpman et al.

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