Bone milling instrument

Details Bone milling instrument Bone milling instrument

2007-08-14

2007-08-14

Stewart, Alvin J. (Department: 3738)

Surgery

Instruments

Orthopedic instrumentation

Reexamination Certificate

active

10435574

ABSTRACT:
A bone milling instrument is disclosed for creating a shaped cavity from an initial cavity in a bone, the bone milling instrument comprising a reference frame, a centering member at the distal end of the reference frame, a registration surface for engaging a portion of the initial cavity, and an attachment site provided proximally of the registration surface, a guidance support member, an attachment mechanism at the first end of the guidance support member, and a constrained pathway extending between the ends of the guidance support member; a shuttle having a first connection element configured for positionably attaching the shuttle to the guidance support member, and a second connection element configured to provide a rotational coupler; and a cutting device having a cutting portion configured at a distal end thereof, and an attachment portion provided at a proximal end.

REFERENCES:
patent: 4777942 (1988-10-01), Frey et al.
patent: 5342366 (1994-08-01), Whiteside et al.
patent: 5468243 (1995-11-01), Halpern
patent: 5496324 (1996-03-01), Barnes
patent: 5527316 (1996-06-01), Stone et al.
patent: 5540694 (1996-07-01), DeCarlo, Jr. et al.
patent: 5645548 (1997-07-01), Augsburger

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