Bioactive composite material process of producing and method of

Details Bioactive composite material process of producing and method of Bioactive composite material process of producing and method of

1976-01-12

1978-12-26

Marquis, Melvyn I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

3 19, 32 8, 32 10A, 106 35, 128 92C, 260 4252, C08K 714

Patent

active

041315979

ABSTRACT:
The composite material for prosthetic purposes of the present invention is essentially composed of a plastic matrix, preferably of a methacrylate plastic, and at least one bioactive filler material, preferably a glass ceramic material of apatite crystal structure. The finely comminuted bioactive material may be homogeneously or nonhomogeneously incorporated in the plastic matrix. Reinforcing additives such as glass fibers and the like may also be incorporated into the mixture of plastic matrix and bioactive material in order to improve the mechanical strength properties. The bioactive material may be admixed to a mixture of methacrylate monomer and curing agent or to a prepolymer obtained therefrom. The composite material is useful as bone cement bone or tooth replacement material, and in general for prosthetic purposes in surgery and orthopedics.

REFERENCES:
patent: 3860556 (1975-01-01), Taylor
patent: 3922155 (1975-11-01), Broemer et al.
patent: 3923740 (1975-12-01), Schmitt et al.
patent: 3968073 (1976-07-01), Hara et al.
Blencke et al., Compatibility and Long Term Stability of Glass-Ceramic Inplants (10 pages), paper presented at the 8th International Biomaterials Symposium at Philadelphia, 1976.
Hennig et al., "Investigations with Bioactivated Polymethylmethacrylates," Apr. 28, 1978 (8 pages).
Tissue Reactions after Hip Joint Replacement Experimental Results with Bioactivated Bone Cement (7 pages), Apr. 28, 1978.
Blencke et al., "Glaskeramiken fur Osteoplastik und Osteosynthese," (63 pages), Dec. 1977.
Bunte et al., "Ceramic Augmentation of the Lower Jaw," pp. 303 to 309, Journal of Maxillofacial Surgery, vol. 5, No. 4, Dec. 1977.

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