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Three types of implanted electronic stimulators are discussed and illustrated to familiarize radiologists with indications, mode of implantations, functions and roentgenographic appearances.
Currently used are the: Dorsal Column Stimulator; Carotid Sinus Nerve Stimulator; and Phrenic Nerve Stimulator.
They are triggered by nonimplanted radio-frequency transmitters and 9 volt batteries, which can easily be changed as needed.
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