Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1997-10-31
1999-08-17
Willse, David H.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
623 18, A61F 232, A61F 234
Patent
active
059387025
ABSTRACT:
An implantable orthopedic prosthesis is provided that includes a shell having a substantially concave inner surface defining a cavity and a substantially annular groove formed therein. The prosthesis further includes a polymeric insert that is positionable within the cavity of the shell, and that has a substantially convex outer surface and a circumferential protrusion projecting therefrom. The protrusion has a substantially trapezoidal cross-section wherein at least one of the sides of the trapezoid is substantially parallel to the axis of symmetry of the insert. The cross-section of the protrusion is substantially congruent to the cross-section of the groove of the shell, and the inner surface of the shell is substantially congruent with a corresponding portion of the outer surface of the insert when the insert is properly positioned within the cavity of the shell.
REFERENCES:
patent: 168140 (1875-09-01), Collins et al.
patent: 453285 (1891-06-01), Kneider
patent: 489258 (1893-01-01), Marks
patent: 492583 (1893-02-01), Duffie
patent: 909859 (1909-01-01), Apgar
patent: 1216367 (1917-02-01), Rowley
patent: 1314136 (1919-08-01), Gaines et al.
patent: 1370299 (1921-03-01), Flanagan
patent: 3863273 (1975-02-01), Averill
patent: 4285071 (1981-08-01), Nelson
patent: 4417571 (1983-11-01), Nelson
patent: 4778474 (1988-10-01), Homsy
patent: 5139526 (1992-08-01), Skardoutos et al.
patent: 5181929 (1993-01-01), Prats
patent: 5226918 (1993-07-01), Silagy et al.
patent: 5443519 (1995-08-01), Averill et al.
patent: 5458650 (1995-10-01), Carret et al.
patent: 5549698 (1996-08-01), Averill et al.
patent: 5676704 (1997-10-01), Ries
patent: 5725591 (1998-03-01), DeCarlo, Jr. et al.
patent: 5735901 (1998-04-01), Maumy et al.
patent: 5766260 (1998-06-01), Whiteside
Michael J. Wentz, Harry E. Rubash, Arun S. Shanbhag; Evaluation of Micromotion of the Inter-Op Acetabular System.
Benjamin I. Rosner, Paul D. Postak, A. Seth Greenwald; Cup/Liner Incongruity of Two Piece Acetabular Designs: Implications in the Generation of Polyethylene Debris.
Lopez Jorge
Van der meulen Steve
Jackson Suzette J.
Lyren Philip S.
Sulzer Orthopedics Inc.
Willse David H.
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