Prolonged anesthesia in joints and body spaces
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United States of America Patent
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Jun 19, 2001
Grant Date -
N/A
app pub date -
Jul 2, 1998
filing date -
Jul 2, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Sustained release local anesthetic formulations are administered intra articularly and/or into body spaces/cavities. The formulation is preferably a plurality of injectable microparticles including a local anesthetic and an effective amount of a biocompatible, biodegradable, sustained release material prolonging the release of the local anesthetic and optionally and a pharmaceutically acceptable, i.e., non-toxic, augmenting agent effective to prolong the duration of the local anesthesia for a time period longer than that obtainable without the augmenting agent.
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