Importance

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Abstract

This invention presents a device, and the method it implements, which is an improvement in the design of nerve stimulators. Like conventional stimulators, it uses a percutaneous, insulated needle for the performance of therapeutic interventions targeting nerves. The improvement comprises offering an option for either constant current or constant voltage, offering a choice of waveform parameters, controlling a pulse generator, supplying a second background waveform, measuring the current and voltage applied to the tissue, computing further electrical characteristics, dynamically adjusting circuit components to ensure a desirable waveform applied to the tissue, and displaying measured and computed electrical characteristics of the tissue. The object is improved positioning of a needle tip near a nerve or nerve plexus for regional anesthesia, pain management, and other medical purposes.

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First Claim