Resorbable bone implant material and method for producing the same
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United States of America Patent
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Feb 10, 2004
Grant Date -
N/A
app pub date -
Jun 5, 2002
filing date -
Nov 9, 1999
priority date (Note) -
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Abstract
The powdery component of the implant material consists essentially of a mixture of hydroxyl apatite powder and calcium sulfate powder, wherein the hydroxyl apatite powder consists of synthetically prepared, precipitated crystalline nanoparticles of high purity, which have a crystal size of 10-20 nm width and 50-60 nm length. The specific absorbing BET surface area of the nanocrystals is preferably 100-150 m.sup.2 /g.
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