Patellar clamp and reamer with adjustable stop

Details Patellar clamp and reamer with adjustable stop Patellar clamp and reamer with adjustable stop

1995-11-30

1999-03-23

Tucker, Guy V.

Surgery

Instruments

Orthopedic instrumentation

A61B 1756

Patent

active

058852980

ABSTRACT:
A method and surgical instrument is provided for the in situ clamping engagement and reaming of the human patella bone in preparation for the installation of a patellar button prosthesis, the clamp including a rectangular frame wherein a pair of handles are mounted for parallel movement whereby to move their respective jaws into clamped engagement with the opposite faces of the patella, and a guide head defining a fixed stop; and a reaming device including a reamer shaft disposed for rotation relative to the guide head, a depth adjustment head connected to the shaft and adapted to abut the fixed stop, and a reamer blade mounted to the shaft. The shaft is provided with indicia to indicate the thickness of the patella that will remain after the resection.

REFERENCES:
patent: 4706660 (1987-11-01), Petersen
patent: 4710075 (1987-12-01), Davison
patent: 5129907 (1992-07-01), Heldreth et al.
patent: 5180384 (1993-01-01), Mikhail
patent: 5342364 (1994-08-01), Mikhail
patent: 5380332 (1995-01-01), Ferrante
patent: 5536271 (1996-07-01), Daly et al.
patent: 5575793 (1996-11-01), Carls et al.

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