Source guide tube for radiography source projector system,...

G - Physics – 21 – K

Patent

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Details

G21K 1/00 (2006.01) G01N 23/00 (2006.01) G21F 3/00 (2006.01) G21F 5/02 (2006.01) G21K 1/06 (2006.01)

Patent

CA 2243672

A radiation shield (2) for a flexible tube such as a source guide tube (4) of a radiography projector system said shield comprising a flexible sleeve (6) comprising an axial assembly of axially overlapping tubular units (10) of elastomeric material containing particles of radiation attenuating material. In a preferred embodiment the tubular units each comprise a female section and a male section disposed at opposite ends of the unit, said male section being adapted to be a push fit into the female section of a like unit. The sleeve is preferably protected by a sheath (8) e.g. of braided metal wire. Also described is a flexible source guide tube assembly for use with a radiography source projector system, said assembly comprising a flexible source guide tube within a radiation shield in the form of a flexible sleeve for the tube, said sleeve comprising elastomeric material containing particles of radiation attenuation material.

L'invention concerne un blindage anti-radiation (2) pour tube flexible tel qu'un tube guide pour source (4) d'un système projecteur radiographique, ce blindage comprenant un manchon flexible (6) composé d'un ensemble axial d'éléments tubulaires (10) se chevauchant dans la direction axiale, fabriqués dans une matière élastomère contenant des particules de matériau atténuateur de rayonnement. Dans une forme d'exécution préférée, les éléments tubulaires comprennent chacun un segment femelle et un segment mâle disposés aux extrémités opposées de chaque élément, ledit segment mâle étant adapté pour s'emboîter dans le segment femelle d'un élément similaire. Le manchon est de préférence protégé par un fourreau (8) constitué, par exemple, de fil métallique tressé. L'invention concerne également un ensemble tube flexible guide pour source à utiliser avec un système projecteur de source radiographique, ledit ensemble étant composé d'un tube flexible guide pour source contenu dans un blindage anti-radiation ayant la forme d'un manchon flexible conçu pour le tube, ce manchon comprenant une matière élastomère contenant des particules de matériau atténuateur de rayonnement.

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