Endosteal fixation stud and system

Details Endosteal fixation stud and system Endosteal fixation stud and system

1990-01-16

1991-03-05

Hafer, Robert A.

Surgery

Instruments

Orthopedic instrumentation

606 62, 623 13, 623 16, A61F 208

Patent

active

049974335

ABSTRACT:
An endosteal fixation for mounting a prosthetic or soft tissue graft or combination thereof, under tension at a cortex end of a bone tunnel and process for its use. The endosteal fixation stud includes a cylindrical body that is preferably manufactured from a somewhat resilient material, and is suitable for implantation in a human body. The cylindrical body is stepped outwardly, proximate to a rear end, into a bridge that has spaced rearwardly extending arms wherebetween the graft is secured. The cylindrical body forward end is split into equal parallel sections that can be flexed together, one of which sections includes a hook that extends and rearwardly, that will align with the cylindrical body surface when the two cylindrical body sections are compressed together. The endosteal fixation stud can be arranged to be pushed or pulled through a bone tunnel.
A single endosteal fixation stud is utilized to mount a graft and to the cortex at a bone tunnel end, the graft extending therefrom through the tunnel and out the opposite bone tunnel end, whereat it is bent and secured under tension, as with a staple, to the cortex surface adjacent to that bone tunnel end.

REFERENCES:
patent: 3744488 (1973-07-01), Cox
patent: 4301551 (1981-11-01), Dore et al.
patent: 4388921 (1983-06-01), Sutter et al.
patent: 4688561 (1987-08-01), Reese
patent: 4772286 (1988-09-01), Goble et al.

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