Methods and apparatus for administering local anesthetic
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United States of America Patent
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Feb 20, 2018
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app pub date -
Jan 21, 2016
filing date -
Jan 26, 2011
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Abstract
Apparatus for administering certain nerve blocks includes a sheath constructed from a flexible ultrasound echogenic material, a more rigid introducer/dilator for introducing the sheath into the patient, and an ultrasound echogenic catheter for inserting through the sheath once the distal end of the sheath is in place adjacent the nerve(s) to be blocked and the introducer/dilator has been withdrawn. The catheter has provisions at its proximal end for connecting to a source of local anesthetic. Methods for use of this apparatus are also described.
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