A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 24/02 (2006.01)
Patent
CA 2552906
The hydraulic cement is based on calcium phosphate for surgical use comprising A) a first component comprising powder particles of calcium phosphate; and B) a second component comprising water. Said calcium phosphate comprises anhydrous, amorphous calcium phosphate (ACP) and said ACP is obtained by milling a calcium phosphate synthesized above 500~C. The cement according to the invention has the advantage of being very fast setting compared to prior art calcium phosphate cements. The setting reaction is finished much faster although the initial part of the reaction proceeds at the same speed as with known cements.
L'invention concerne un ciment hydraulique à base de phosphate de calcium, destiné à des utilisations chirurgicales, et se composant A) d'un premier composant comprenant des particules de poudre de phosphate de calcium; et B) d'un second composant comprenant de l'eau. Ledit phosphate de calcium contient du phosphate de calcium amorphe (ACP) anhydre, lequel est obtenu par broyage d'un phosphate de calcium synthétisé à une température supérieure à 500 ·C. Le ciment décrit présente l'avantage de faire prise très rapidement par comparaison aux ciments de phosphate de calcium existants. La réaction de prise se termine beaucoup plus rapidement, bien que la première partie de la réaction se déroule à la même vitesse que dans les ciments connus.
Dr. H. C. Robert Mathys Stiftung
Marks & Clerk
LandOfFree
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