Calcium phosphate calcium sulfate composite implant material

Details Calcium phosphate calcium sulfate composite implant material Calcium phosphate calcium sulfate composite implant material

1991-04-17

1995-10-31

Page, Thurman K.

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

423305, 423306, 423307, 423555, 623 16, C01B 1516, C01B 2526, C01F 1146, A61F 228

Patent

active

054627222

ABSTRACT:
This invention provides new inorganic composite materials for hard tissue replacement. The new composite material comprises solid material of calcium sulfate which is fully or partially converted to calcium phosphate from aqueous solution. This composite material has good biocompatibility and controllable resorption, and will be very useful for bone substitute material in orthopaedic and dental applications. The fully converted material which comprises mainly apatite calcium phosphate is also useful for chromatography application. A process to prepare these new composite materials is also described.

REFERENCES:
patent: 1357120 (1926-10-01), Sadtler
patent: 4843112 (1989-01-01), Gerhart et al.

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