IMPLANT HAVING A BASE BODY OF A BIOCORRODIBLE ALLOY AND A CORROSION-INHIBITING COATING
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United States of America Patent
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N/A
Issued Date -
Jul 30, 2009
app pub date -
Jan 29, 2009
filing date -
Jan 29, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An implant having a base body consisting entirely or in part of a biocorrodible metallic material wherein at least the parts of the base body made of the biocorrodible metallic material are covered with a corrosion-inhibiting coating. The coating comprises a primer layer of a first biodegradable polymer material comprising a poly(D,L-lactide) (PDLLA) with a degree of polymerization in the range of 5 to 20 and a protective layer of a second biodegradable polymer material comprising a diblock copolymer (PEG/PLGA) of polyethylene glycol (PEG) and poly(D,L-lactide-co-glycolide) (PLGA) applied to the primer layer.
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