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Acetabular cup

Image Number 3 for United States Patent #5549691.

An acetabular prosthesis comprises an acetabular cup in the form of a hollow hemispherical dome having at least two blind sockets on the outer convex surface of the dome spaced apart relative to the rim of the dome, each blind socket having an entrance facing toward the top of the dome for receiving a barb and for fixedly securing the barb to the socket. The acetabular cups and barbs can be provided as sets of different sizes.

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