Orthopedic cements comprising a barium apatite contrast agent
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United States of America Patent
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Issued Date -
Nov 24, 2005
app pub date -
May 20, 2004
filing date -
May 20, 2004
priority date (Note) -
Abandoned
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Abstract
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. A feature of the invention is that the barium apatite contrast agent is particulate agent in which the particles have a size sufficient to provide a 'peppered' appearance to the cement when imaged, such as when radiographically imaged. 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.
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