Method for making a bioerodible material for the sustained release of a medicament and the material made from the method
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United States of America Patent
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Oct 10, 1995
Issued Date -
N/A
app pub date -
Jan 12, 1994
filing date -
Apr 12, 1993
priority date (Note) -
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Abstract
A method for making an implantable bioerodible material for the sustained release of a medicament and the material made from the method. The method comprises the formulation of a biomaterial polymeric carrier into particles of predetermined density and size. The particles are then are mixed with the desired medicament and extruded into the desired shape for implantation or reground to a predetermined size distribution for injection as a suspension. In an alternative embodiment, the particles of polymeric carrier are immersed in a solvent containing a medicament, and the pores of the particles are filled with medicament through alternate application and release of vacuum.
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