Hip joint prosthesis having a 22.22 mm zirconia femoral head and

Details Hip joint prosthesis having a 22.22 mm zirconia femoral head and Hip joint prosthesis having a 22.22 mm zirconia femoral head and

1997-08-28

1999-10-26

Isabella, David J.

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

Implantable prosthesis

Bone

A61F 234

Patent

active

059720336

ABSTRACT:
The invention relates to a ceramic hip joint prosthesis head for use with a trunnion, the trunnion having a frustoconical end comprising a first section having a diameter of about 12 mm which expands inward at a total angle of about 6 degrees to form a second section having a diameter of about 14 mm, wherein each head comprises:

REFERENCES:
patent: 4636218 (1987-01-01), Fukuura et al.
patent: 4964869 (1990-10-01), Auclair et al.
patent: 5181929 (1993-01-01), Prats et al.
patent: 5362311 (1994-11-01), Amino et al.
patent: 5413610 (1995-05-01), Amino et al.
Drouin, J. M. and Cales, B., "Yttria-Stabilized Zirconia Ceramic for Improved Hip Joint Head", Bioceramics, vol. 7 Edited by O.H. Andersson and A. Yli-Urpo, (Proceedings of the 7th International Symposium on Ceramics in Medicine, Turku, Finland, Jul. 1994) pp. 389-394.

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