Reinforcement for anchoring a prosthesis stem

Details Reinforcement for anchoring a prosthesis stem Reinforcement for anchoring a prosthesis stem

1988-12-27

1990-06-26

Frinks, Ronald L.

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

Implantable prosthesis

Bone

623 16, 623 23, A61F 230, A61F 228, A61F 236

Patent

active

049368591

ABSTRACT:
The reinforcement is formed of a peg from which a plurality of flaps extend with slots formed between adjacent flaps. The flaps serve to separate a bone cement bed within the interior of the reinforcement from a layer of a compacted spongy tissue externally of the reinforcement. The slots between the flaps extend over the entire height of the reinforcement and permit substantial spreading or widening of the flaps radially in order to adapt to the individual operation cavity and to anchoring stems of different cross-sectional sizes and shapes.

REFERENCES:
patent: 4064567 (1977-12-01), Burstein et al.
patent: 4276659 (1981-07-01), Hardinge
patent: 4745914 (1988-05-01), Frey et al.

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