Tricalcium phosphates, their composites, implants...

Details Tricalcium phosphates, their composites, implants... Tricalcium phosphates, their composites, implants...

A - Human Necessities

61

K

A61K 33/42 (2006.01) A61L 27/26 (2006.01) A61L 27/28 (2006.01) A61L 27/54 (2006.01)

Patent

CA 2535085

Methods for the synthesis of tricalcium phosphates are presented, as well as a series of specific reaction parameters that can be adjusted to tailor, in specific ways, properties in the tricalcium phosphate precursor precipitate. Particulate tricalcium phosphate compositions having an average crystal size of about 250 nm or less are provided. Compositions of the invention can be used as prosthetic implants and coatings for prosthetic implants.

L'invention concerne des procédés permettant d'effectuer la synthèse de phosphates tricalciques, ainsi qu'une série de paramètres de réaction spécifiques pouvant être réglés afin de personnaliser, de manière spécifique, des propriétés dans le précipité précurseur de phosphate de tricalcique. L'invention concerne également des compositions particulaires de phosphate tricalcique possédant une taille moyenne de cristal d'environ 250 nm ou moins. Les compositions de l'invention peuvent être utilisées comme implants prothétiques et revêtement d'implants prothétiques.

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