Surgery – Truss – Pad
Patent
1985-03-21
1986-12-30
Swiatek, Robert P.
Surgery
Truss
Pad
128 92R, 128 92VY, 128 92V, A61B 1700
Patent
active
046321110
ABSTRACT:
Apparatus for positioning a prosthetic acetabular cup within an acetabulum during total hip replacement surgery. The apparatus includes a pusher ball, a pusher arm affixed to the pusher ball, a positioner arm, and a positioner flange affixed to the positioner arm. The apparatus also includes a slot within the flange dimensioned to receive a part of the pusher arm so that the flange can be faced with the pusher ball. The apparatus can affix the flange facing the ball to define a predetermined angle between the pusher arm and the positioner arm. This apparatus also releasably secures the ball generally mated with the acetabular cup, so that the positioner flange and the positioner arm can be released and removed from the remainder of the apparatus while the pusher ball remains within the acetabular cup to maintain uninterrupted pressure on the acetabular cup via the pusher arm.
REFERENCES:
patent: 3859992 (1975-01-01), Amstutz
patent: 4305394 (1981-12-01), Bertuch, Jr.
patent: 4475549 (1984-10-01), Oh
patent: 4528980 (1985-07-01), Kenna
Richards Orthopedic Catalog, cover page, pp. 2, 6, 7 (1969).
10/18/82 letter to Karen Roche by Harry E. Groth, M.D. w/attach.
12/8/82 letter to Karen M. Roche from Harry E. Groth, M.D. w/attachments.
1/13/83 letter to Karen Roche from Harry E. Groth, M.D.
Hoke II Robert W.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Smith James A.
Stone Cary E.
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