; nerve stimulator portable electrical device used to locate larger nerve trunks (e.g. tibial nerve within popliteal fossa) and facilitate perineural infiltration of local anaesthetic solution during regional anaesthesia
Interestingly, patient discomfort was reduced by sonographic guidance compared to the nerve stimulator technique, even though sonographically-guided blocks were performed predominantly by trainees and nerve stimulator-guided blocks by experts.
In 2011, rheumatologist Paul-Peter Tak, of the University of Amsterdam, and his colleagues implanted vagus nerve stimulators into four men and four women who had rheumatoid arthritis, an autoimmune inflammatory condition that causes swollen, tender joints.
Approved by the Food and Drug Administration for acute and chronic pain in 2006, the PST is a battery-powered, controlled nerve stimulator that weighs about 7 g and is fastened behind the ear by an adhesive backing.