Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1991-03-07
1993-03-09
Isabella, David
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
A61F 231
Patent
active
051923297
ABSTRACT:
An oblong acetabular cup which includes a cavity for receiving a bearing element is provided. The plane of the opening into the cavity is skewed relative to the prosthesis' longitudinal plane so as to achieve adduction correction, anteversion correction, or both adduction and anteversion correction. In certain preferred embodiments, the prosthesis is constructed from two components which can be oriented with respect to one another to achieve different directions and amounts of anteversion correction. In some embodiments, the two components form a cusp in the outside surface of the prosthesis. Surgical instruments and surgical methods for implanting the prostheses are disclosed.
REFERENCES:
patent: 4678472 (1987-07-01), Noiles
patent: 4801301 (1989-01-01), Noiles
patent: 4883491 (1989-11-01), Mallory et al.
patent: 4944759 (1990-07-01), Mallory et al.
patent: 4960427 (1990-10-01), Noiles
F. Pipino and P. M. Calderale, "A Biequatorial Acetubular Cup for Hip Prosthesis," Acta Orthopaedica Belgica, vol. 48, pp. 5-13 (1980).
F. Pipino and P. M. Calderale, "A Biequatorial Hip Prosthesis," Panminerva Medica, vol. 25, pp. 231-239 (1983).
Christie Michael J.
DeCarlo, Jr. Alfred F.
McTighe Timothy
Noiles Douglas G.
Isabella David
Joint Medical Products Corporation
Klee Maruice M.
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