Anchorage for highly stressed endoprostheses

Details Anchorage for highly stressed endoprostheses Anchorage for highly stressed endoprostheses

1977-05-12

1980-05-13

Frinks, Ronald L.

Surgery

Truss

Pad

3 1913, 128 92CA, 433201, A61F 124

Patent

active

042020557

ABSTRACT:
An implantable prosthesis anchorage which contains a non-porous outer coating in the regions which is positioned in contact with bone. The non-porous outer coating consists of (i) at least one bioactive resorbable ceramic material which is a calcium phosphate and (ii) at least one polymer which is mechanically and chemically stable in the body. The ceramic material is in particulate form having particle diameters between 0.5 and 1 mm. The ceramic material particles is incorporated in the polymer in such a way that resorption of the ceramic material leads to a polymer structure with continuous pores filled with living bone tissue. Bioactivating bonding residues of the ceramic material are left on the inner surfaces of the filled pores which were created by the resorption of the ceramic material.

REFERENCES:
patent: 3787900 (1974-01-01), McGee
patent: 3790507 (1974-02-01), Hodosh
patent: 3808606 (1974-05-01), Tronzo
patent: 3918100 (1975-11-01), Shaw et al.
patent: 4051598 (1977-10-01), Sneer

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