POROUS, NON-DEGRADABLE IMPLANT MADE BY POWDER MOLDING
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United States of America Patent
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Issued Date -
Sep 4, 2008
app pub date -
Jan 18, 2008
filing date -
Jan 19, 2007
priority date (Note) -
Abandoned
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Abstract
The exemplary embodiment of the present invention are provided which relate to porous implants and methods for manufacture thereof which use powder molding techniques. For example, a suspension can be provided comprising a plurality of first particles of at least one organic polymer, a plurality of second particles of at least one metal-based material, and at least one solvent. The first and second particles can be substantially insoluble in the solvent. The suspension can be molded to form a green body comprising the first particles embedded in a matrix of compressed second particles. The first particles may be removed from the green body by thermally induced decomposition and/or evaporation. The green body can be sintered to form the implant. The removals of the first particles can be performed during sintering.
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