Polyaxial drill guide

Details Polyaxial drill guide Polyaxial drill guide

2006-08-22

2006-08-22

Robert, Eduardo C. (Department: 3733)

Surgery

Instruments

Orthopedic instrumentation

Reexamination Certificate

active

07094242

ABSTRACT:
A polyaxial drill guide includes a body, a collet and a stem. The collet includes a collet shaft having distal and proximal ends and a longitudinal bore. The body includes a conical bore having narrow and wide ends. The distal end of the collet shaft rotatably mounts within the narrow end of the conical bore, with the collet shaft extending toward the wide end of the conical bore, such that the collet shaft (and consequently the longitudinal bore) can be angled within the conical bore at a plurality of angles. The stem includes a shaft having distal and proximal ends and a longitudinal bore. The distal end of the stem shaft mounts to the proximal end of the collet shaft such that the longitudinal bores are co-linear and a drill bit can be inserted into and rotated within the longitudinal bores during a drilling procedure.

REFERENCES:
patent: 4632100 (1986-12-01), Somers et al.
patent: 5207679 (1993-05-01), Li
patent: 5411523 (1995-05-01), Goble
patent: 5584860 (1996-12-01), Goble et al.
patent: 5968044 (1999-10-01), Nicholson et al.

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