Endoprosthesis

Details Endoprosthesis Endoprosthesis

1996-01-11

1997-12-30

Brittingham, Debra S.

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

Implantable prosthesis

Bone

623 1, A61F 236

Patent

active

057024847

ABSTRACT:
An endoprosthesis for a cement free anchorage in a bone having a longitudinal direction comprises a prosthetic shank to be secured in the bone in the longitudinal direction of the bone. The prosthetic shank has a proximal end and a distal end and includes three plate-like blades arranged in parallel and presenting a cross-sectional profile that has an open configuration. A first one of the blades constitutes a central web and a second and third ones of the blades constitute side walls which enclose, at least partially, the central web and extend, at least partially, in parallel, in a direction of the central web. The prosthetic shank further includes bridges connecting the side walls with the central web. A region adjacent the distal end of the prosthetic shank is in the shape of a scoop and the blades are joined at least at the distal end to form a common cutting edge. A collar including a pin for receiving a ball joint is attached to the proximal end of the prosthetic shank.

REFERENCES:
patent: 4978357 (1990-12-01), Goymann et al.
patent: 5061286 (1991-10-01), Lyle
patent: 5152795 (1992-10-01), Sioshansi et al.

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