Acetabulum sizer and drill guide

Details Acetabulum sizer and drill guide Acetabulum sizer and drill guide

1983-10-19

1985-07-16

Rosenbaum, C. Fred

Surgery

Truss

Perineal

128 92E, 128303R, A61F 504

Patent

active

045289808

ABSTRACT:
An acetabulum sizer and drill guide for use in implanting an acetabular cup prosthesis comprises a substantially hemispherical shell having an outside surface that generally conforms to the outside surface of the prosthesis to be fitted into a prepared acetabulum. Viewing ports in the shell enable visual inspection of the acetabulum during sizing thereof. A circular peripheral rim on the shell is generally flush with the peripheral boundary of a properly sized acetabulum when the shell is seated therein. Drill guide structure on the shell functions to guide a drill bit into the pelvis bone adjacent the acetabulum in preparing the acetabulum for the acetabular cup prosthesis. A handle is releasably connected to the drill guide structure for manipulating the shell during sizing and drilling.

REFERENCES:
patent: 2725053 (1955-11-01), Bambara et al.
patent: 3815590 (1974-06-01), Deyerle
patent: 3859992 (1975-01-01), Amstutz
patent: 4135517 (1979-01-01), Reale
patent: 4305394 (1981-12-01), Bertuch, Jr.
patent: 4349017 (1982-09-01), Sayegh
patent: 4433686 (1984-02-01), Charnley
patent: 4475549 (1984-10-01), Oh
Zimmer Catalog, 1978, pp. A-12, 14, 26, 27, 34, 42, 50, 60, re. acetabular devices, (Warsaw, Ind.).

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