Electrolytic microinfusion transducer system: an alternative method of intracranial drug application

An intracranial microinfusion system is described which can reliably deliver nl vols. of drug in freely moving animals. By the elimination of the flexible tubing and fluid swivel used in most microinjection systems, the usual unreliability of drug delivery is reduced. Since this system does not require the use of a fluid swivel, simultaneous application of drug to multiple brain sites is possible.