Patent ID: 6866648

Claim:
A system for administration of a nerve block in a patient with reduced risk of intraneuronal injection, said system comprising (1) an anesthetic delivery device having an anesthetic storage compartment and an output end; (2) a nerve block needle having an input end and an output end wherein the output end can be inserted into the patient for delivery of anesthetic to the patent in the vicinity of a nerve to be blocked; (3) a tube having an anesthetic passageway connecting the output end of the anesthetic delivery device and the input end of the nerve block needle, whereby anesthetic from the anesthetic storage compartment can be delivered via the output end of the nerve block needle to the patient; and (4) a pressure sensing device located along, and in pressure sensing communication with, the anesthetic passageway, the pressure sensing device capable of measuring pressures up to about 25 psi, whereby the pressure of the anesthetic can be continuously monitored and controlled during anesthetic delivery to the patient so as to reduce the risk of intraneuronal injection.