Patent ID: 6461433
Filing Date: 2002-10-08
Classification: A61N,G21G

Abstract:
An apparatus for depositing discrete dots of radioactive material onto a surface of a substrate, said apparatus comprising:(a) a fluid-jet printhead; (b) a reservoir adapted for containing and dispensing radioactive fluid, having an opening communicating with said fluid-jet printhead; (c) means for positioning and repositioning said printhead relative to the substrate; (d) computing means, in communication with said printhead and with said positioning means (c), for controlling relative positions of said printhead and the substrate, and for controlling fi of said printhead, so as to apply predetermined amounts of said radioactive fluid onto said substrate at predetermined positions; and (e) means for measuring the radioactivity; and (f) computing means, receptive to data supplied by said measuring means (e) and controlling the amount of radioactive fluid subsequently deposited by said printhead in accordance with said data.