Orthopedic cements comprising a barium apatite contrast agent

A - Human Necessities – 61 – F

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A61F 13/00 (2006.01)

Patent

CA 2567325

Methods are provided for producing settable compositions, e.g. pastes or clays, that set into calcium phosphate products and include a barium apatite contrast agent. In the subject methods, dry reactants and a setting fluid are combined with a barium apatite contrast agent, and the combined reactants are mixed to produce the settable composition. Also provided are the compositions themselves as well as kits for preparing the same. The subject methods and compositions produced thereby find use in a variety of applications, including hard tissue repair applications, such as vertebroplasty applications.

La présente invention concerne des procédés de préparation de mélanges prêts à être mis en forme, tels que par exemple des pâtes ou des argiles qui se solidifient sous forme de produits au phosphate de calcium et qui renferment un agent de contraste à l'apatite au baryum. Dans les procédés selon l'invention, des réactants secs et un fluide de durcissement sont combinés à un agent de contraste à l'apatite au baryum, puis les réactants combinés sont mélangés pour produire le mélange prêt à être mis en forme. Cette invention concerne également les compositions elles-mêmes ainsi que des trousses de préparation de ces dernières. Les procédés selon l'invention et les compositions ainsi produites peuvent être utilisées dans diverses applications, y compris dans des applications de réparation de tissu dur, telles que des applications de vertébroplastie.

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