Patent ID: 6222193
Filing Date: 2001-04-24
Classification: A61B,G01T

Abstract:
An instrument for detecting and locating sources of radiation emission, comprising:a housing assembly extending from a hand grippable region to a tip region, said tip region having a substantially flat radiation transmissive window and an internal surface defining a tip region cavity;a mounting component within said tip region cavity, formed of material attenuating said radiation, extending between first and second finite support portions mutually spaced apart a span distance, having side portions defining a mount cavity with an outwardly disposed peripheral edge in spaced adjacency with said window;a rigid crystal support formed of electrically insulative material and rigidly mounted within said mount cavity;a crystal detector having an outwardly disposed face adjacent to said mount peripheral edge confronting said window and an opposite, inwardly disposed face positioned upon said crystal support and responsive to radiation passing through said window to provide a detector output;a bias conveying and signal receiving circuit in electrical communication with said crystal detector inwardly disposed face;a retainer and grounding assembly having an electrical grounding surface in abutting, compressive engagement with said crystal detector outwardly disposed face;a first vibration damping mount supporting said mounting component at said first finite support portion in spaced relationship from said tip region internal surface; anda second vibration damping mount supporting said mounting component at said second finite support portion in spaced relationship from said tip region internal surface; andsaid mounting component being supported as an open span along said span distance between said first and second vibration damping mounts.