Apparatus for inserting and withdrawing humeral prosthesis

Details Apparatus for inserting and withdrawing humeral prosthesis Apparatus for inserting and withdrawing humeral prosthesis

1991-05-14

1991-11-12

Frinks, Ronald

Surgery

Instruments

Orthopedic instrumentation

623 18, 623 19, A61F 200, A61F 240, A61B 1756

Patent

active

050644270

ABSTRACT:
An apparatus for inserting and withdrawing a prosthesis into and out of the humerus comprising a sleeve and taper protector which fit over a neck on the humeral prosthesis. A shaft delivers the force of an impact hammer to the prosthesis to drive the prosthesis into the bone. The prosthesis is locked into the sleeve by a pivoting arm which has tabs which permit prosthesis to be withdrawn from the humerus. An orthogonal handle and bolt serve both to tighten the pivot arm against the prosthesis and to provide accurate angular orientation for implanting the prosthesis.

REFERENCES:
patent: 3818514 (1974-06-01), Clark
patent: 3857389 (1974-12-01), Amstutz
patent: 4222382 (1980-09-01), Antonsson et al.
patent: 4642121 (1987-02-01), Keller
patent: 4964865 (1990-10-01), Burkhead et al.

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