Premixed self-hardening bone graft pastes

Details Premixed self-hardening bone graft pastes Premixed self-hardening bone graft pastes

C - Chemistry, Metallurgy

04

B

C04B 12/02 (2006.01) C09K 3/00 (2006.01)

Patent

CA 2521522

A bone or dental implant material in the form of a paste includes a mixture of calcium phosphate and/or calcium-containing powders, liquid glycerol, organic acid and gelling agent. The paste is stable, resistant to washout and will harden upon exposure to water. Physical characteristics of the paste, including consistency, porosity, and hardening time, are controlled by the choice and ratio of constituents.

Cette invention se rapporte à un matériau pour implant osseux ou dentaire ayant la forme d'une pâte, qui comprend un mélange de poudres contenant du calcium et/ou du phosphate de calcium, de glycérol liquide, d'acide organique et d'agent gélifiant. Cette pâte est stable, elle résiste au lavage et ne durcit qu'après exposition à l'eau. Les caractéristiques physiques de cette pâte, telles que sa consistance, sa porosité et son temps de durcissement, peuvent être modulées par le choix et le rapport de ses éléments constitutifs.

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