Method and apparatus to decrease the risk of intraneuronal injection during administration of nerve block anesthesia
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United States of America Patent
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app pub date -
Sep 28, 2004
filing date -
May 28, 2002
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Abstract
An objective and reproducible system for, and method of, monitoring and/or controlling the pressure during nerve blockage injection, especially by less experienced personnel, is provided in order to decrease the possibility of intraneuronal injection. More specifically, the present invention employs a pressure sensing and/or limiting device located between an injection device (typically a syringe) and a nerve block needle whereby injection pressure during a nerve block injection can be easily and objectively monitored, thereby allowing the operator to monitor the injection pressure and/or injection speed during a nerve blockage injection procedure and to take appropriate corrective actions if abnormal pressure conditions are observed.
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