Articulated prosthesis

Details Articulated prosthesis Articulated prosthesis

1995-04-24

1996-08-27

Jones, Mary Beth

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

Implantable prosthesis

Bone

623 19, 623 21, 623 22, 623 23, A61F 230

Patent

active

055496814

ABSTRACT:
The articulated prosthesis comprises two cooperating prosthesis portions each portion having an anchoring stem to fix the prosthesis portion in a bone. The first prosthesis portion is provided with a essentially ball-shaped head member which comprises two diametrically opposite flattened portions. The second prosthesis portion is provided with a shell member having essentially the shape of a spherical sector and having a height which is greater than the radius of the head member. It is provided with a window allowing the assembling of the first and second prosthesis portions in an assembling position. To assemble the two portions to an articulated prosthesis, the two portions are aligned to each other in the assembling position, the head member is inserted into the shell member and the two portions are rotated with respect to each other into an operating position. In that operating position, the articulated prosthesis may be subjected to a pull strain without the danger of luxation.

REFERENCES:
patent: 4213208 (1980-07-01), Marae
patent: 4279041 (1981-07-01), Buchholz
patent: 4944758 (1990-07-01), Bekki et al.
patent: 5147386 (1992-09-01), Carignan et al.
patent: 5290314 (1994-03-01), Koch et al.

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