Patellar implant stem trimmer

Details Patellar implant stem trimmer Patellar implant stem trimmer

1993-05-17

1994-08-30

Pellegrino, Stephen C.

Surgery

Instruments

Orthopedic instrumentation

606 86, 606 88, A61B 1736

Patent

active

053423640

ABSTRACT:
A tool intended to facilitate the trimming of the stem of a patellar prosthesis to adapt the length of the stem to fit differing cross-sectional thickness of a human patella is disclosed. The trimming tool includes a seat area for receiving the prosthesis and a cap member for securing the prothesis in the seat. The cap area includes an aperture therethrough which exposes a specific length of stem for trimming. A cutting guide on the cap member ensures that the stem is cut in a perpendicular orientation to the centerline axis of the prosthesis.

REFERENCES:
patent: 4633862 (1987-01-01), Petersen
patent: 5108401 (1992-04-01), Insall et al.
patent: 5129908 (1992-07-01), Petersen
patent: 5250050 (1993-10-01), Poggie et al.

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