A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 24/02 (2006.01) A61L 27/12 (2006.01)
Patent
CA 2487994
The hydraulic cement is based on calcium phosphate for surgical use. It comprises a first component comprising .alpha.-tricalcium phosphate powder particles, a second component comprising calcium sulphate dihydrate, and a third component comprising water. Furthermore the hydraulic cement does not contain more calcium sulfate hemihydrate (CSH) than 10 % of the total amount of said calcium sulphate dihydrate (CSD). This cement has the advantage that it has not a very basic component such as TTCP, consists of a limited amount of components, sets fast, and is easy to mix.
L'invention concerne un ciment hydraulique à base de phosphate de calcium à usage chirurgical. Ce ciment comprend un premier constituant renfermant des particules en poudre de phosphate d'alpha-tricalcium, un deuxième constituant renfermant du dihydrate de sulfate de calcium, ainsi qu'un troisième constituant contenant de l'eau. En outre, ledit ciment hydraulique présente une teneur en hémihydrate de sulfate de calcium (CSH) inférieure ou égale à 10% de la quantité totale du dihydrate de sulfate de calcium (CSD). Ce ciment présente l'avantage de ne pas comporter de constituant très basique tel que le TTCP, de renfermer une quantité limitée de constituants, de durcir rapidement et d'être facile à mélanger.
Dr. H. C. Robert Mathys Stiftung
Marks & Clerk
LandOfFree
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