Manufacture of bone graft substitutes
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United States of America Patent
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N/A
Issued Date -
May 12, 2005
app pub date -
Nov 7, 2003
filing date -
Nov 7, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention is directed to methods and compositions for manufacturing a bone graft substitute. A powder compaction process is utilized to generate a shaped product comprised of a bone material and in some embodiments a processing aid is utilized to facilitate compaction of the bone material and/or for release of the product from the die. In one aspect of the present invention, the manufacturing process comprises a withdrawal press having a shelf die, a lower punch, and an upper punch, wherein at least both the shelf die and lower punch are configured to impart at least part of the shape of the particle upon the material.
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