Dual fixation prosthesis

Details Dual fixation prosthesis Dual fixation prosthesis

1993-02-16

1999-09-21

Yu, Mickey

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

623 16, A61F 232

Patent

active

059547715

ABSTRACT:
A long bone prosthesis (10) includes a neck portion (12), a stem portion (16) and an intermediate portion (20) disposed between the neck portion (12) and stem portion (16). The intermediate portion (20) includes seals for containing cement thereabout under pressure adjacent thereto and preventing leaking of cement therefrom during implantation of the prosthesis (10).

REFERENCES:
patent: 4983183 (1991-01-01), Horowitz
patent: 4997448 (1991-03-01), Filer
patent: 5047061 (1991-09-01), Brown
patent: 5108437 (1992-04-01), Kenna
patent: 5116377 (1992-05-01), Skripitz et al.
patent: 5133772 (1992-07-01), Hack et al.
patent: 5171289 (1992-12-01), Torneir
patent: 5314494 (1994-05-01), Huiskes et al.
D. O'Connor, D. Burke, R. Sedlacek, W. Harris, "Peak Cement Strains In Cemented Femoral Total Hip", 37th annual meeting, Orthopaedic Reasearch Society, Mar. 4-7, 1991, Anaheim, CA, p. 220.
J. Davies, G. Singer, W. Harris, "The Effect of a Thin Coating of Polymethylmethacrylate on the Torsional Fatigue Strength of the Cement-Metal Interface", Journal of Applied Biomaterials, vol. 3, 45-49 (1992).
M. Freeman, R. Tennant, "The Scientific Basis of Cement Versus Cementless Fixation", Clinical Orthopaedics & Related Research, No. 276, pp. 19-25 (1992).

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