Surface-modified bioabsorbables
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United States of America Patent
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Aug 17, 1993
Grant Date -
N/A
app pub date -
Jun 18, 1990
filing date -
Jun 18, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A bioabsorbable synthetic polymer is exposed to a gas plasma in a chamber at a pressure substantially below atmospheric for a sufficient time to increase the hydrophobicity and/or cross-linking density of a surface layer thereof and thereby modify the rate at which the polymer will hydrolyze. An accordingly modified polymer is useful for surgical implants and wound closures.
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