Surgical instrument for removing artificial acetabular cups

Details Surgical instrument for removing artificial acetabular cups Surgical instrument for removing artificial acetabular cups

1991-02-11

1992-05-12

Green, Randall L.

Surgery

Instruments

Orthopedic instrumentation

606 81, 606 91, 606104, 623 22, 173 10, A61B 1756

Patent

active

051123380

ABSTRACT:
A hand-held surgical rotary impact tool and instrument extension for removing artificial hip, or acetabular, cups of a hip joint by rotating the cup a predetermined number of degrees. This rotational limitation is provided by a pin and arcuate groove connection between a fixed housing and rotatable shaft. While instrument extensions are sized to allow for different acetabular, or hip, cups, the cup engaging end can have radially adjustable pins for permitting a variable diameter for connection to a cup.

REFERENCES:
patent: 4111208 (1978-09-01), Leuenberger
patent: 4124026 (1978-11-01), Berner et al.
patent: 4271849 (1981-06-01), Rehder
patent: 4355931 (1982-10-01), Leuenberger
patent: 4399813 (1983-08-01), Barber
patent: 4662891 (1987-05-01), Noiles

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