Three-component bone cement

Details Three-component bone cement Three-component bone cement

C - Chemistry, Metallurgy

08

L

C08L 33/04 (2006.01) A61L 24/04 (2006.01) C08F 2/44 (2006.01) C08J 3/20 (2006.01)

Patent

CA 2726956

The invention is based, among other things, on the object of providing a paste from which bone cement can be formed, which is to the largest extent possible bubble-free and has a high impact strength. The paste according to the invention comprises (i) 15-50 weight percent of at least one mono-functional, hydrophobic methacrylic acid ester, (ii) 40-85 weight percent of at least one filler, (iii) 0.01-4 weight percent of at least one radical initiator soluble in the methacrylic acid ester (i) and having at least one peroxide group, (iv) 0.01-4 weight percent of at least one radical initiator soluble in the methacrylic acid ester (i) and having no peroxide groups, (v) 0.000001-3 weight percent of at least one accelerator soluble in the methacrylic acid ester (i) and capable of forming radicals from the radical initiators according to (iii) and (iv), (vi) 0.001-5 weight percent of at least one halide salt, and (vii) 0.2-3 weight percent of at least one cross- linking agent.

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