Acetabular cup prosthesis positioning tool

- Zimmer, Inc.
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Description

FIG. 1 is a perspective view of an acetabular cup prosthesis positioning tool, showing my new design;

FIG. 2 is a side elevational view thereof, the opposite side elevational view being identical thereto;

FIG. 3 is a top plan view thereof;

FIG. 4 is a top perspective view thereof; and,

FIG. 5 is a front end elevational view thereof.

The broken line showing of the distal tip in FIGS. 1-4 is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D284889 July 29, 1986 Kenna
3685058 August 1972 Tronzo
3801989 April 1974 McKee
3859992 January 1975 Amstutz
4133517 January 9, 1979 Reale
4222382 September 16, 1980 Antonsson et al.
4305394 December 15, 1981 Bertuch, Jr.
4457306 July 3, 1984 Borzone
4475549 October 9, 1984 Oh
4528980 July 16, 1985 Kenna
4632111 December 30, 1986 Roche
4642121 February 10, 1987 Keller
4677972 July 7, 1987 Tornier
4716894 January 5, 1988 Lazzeri et al.
4878918 November 7, 1989 Tari et al.
4994064 February 19, 1991 Aboczky
5030219 July 9, 1991 Matsen, III et al.
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5037424 August 6, 1991 Aboczsky
Foreign Patent Documents
0147339A2 July 1985 EPX
Other references
  • BG Orthopedic Corp.--Instrumentation--(Item 4636)--No date available. DePuy Catalog 1980--p. A-7--Cup Positioning and Aiming Instruments. Howmedica Surgical Techniques--Exeter Total Hip System, Ling et al.--Introducer Instrument--No date available. Howmedica Surgical Techniques--Advances in Total Hip Replacement, Harris--Positioning Handle--No date available. PCA Total Hip System--Instruments and Trails--No date available. Implant Technologies--LSF Acetabular Alignment Guide and Shell Introducer--No date available. Protek--CLS-The System--(Compression Pliers)--Brit. JBJS, Aug. 1989. Richards Orthopedic literature--Total Joints (Positioners)--1978 catalog, p. 11. Zimmer, Inc. 1984--Harris Precoat Hip System Surgical Technique--Harris. Zimmer, Inc. 1984--Harris/Galante Porous Hip System Surgical Technique--Harris. BIAS Total Hip System--Surgical Technique--Gustilo/Kyle--Hennepin County Medical Center--1985. Zimmer, Inc. catalog 1987--Acetabular Components (Positioners)--pp. A80,86,87,88,95,97,110. Zimmer, Inc. catalog 1981--SixTI/32 total hip prosthesis (Positioners/Pushers)--pp. A18,23,70. Zimmer, Inc. literature--Modified Cup Pusher--1990. Zimmer product 00--8852-999--13--TiBac Cup Holder--1987. Zimmer products 00-4329-001-00 and 00-4333-001-00--Elevated Cup Positioner (for use w/TiBac II Cups)--1990.
Patent History
Patent number: D331461
Type: Grant
Filed: Nov 21, 1990
Date of Patent: Dec 1, 1992
Assignee: Zimmer, Inc. (Warsaw, IN)
Inventor: Mark B. Lester (Warsaw, IN)
Primary Examiner: Stella Reid
Assistant Examiner: I. Simmons
Attorney: Margaret L. Geringer
Application Number: 7/618,329