A self-fastening cage surrounding a magnetic resonance...

A - Human Necessities – 61 – B

Patent

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Details

A61B 5/05 (2006.01)

Patent

CA 2628276

The present invention discloses a novel self-fastening cage of a magnetic resonance device (MRD) (100) for providing a homogeneous, stable and uniform magnetic field therein, characterized by an outside shell comprising at least three flexi-jointed superimposed walls (1) disposed in a predetermined arrangement clockwise or counterclockwise. In a technology of self-fastening cage, the invention teaches an effective multi-streamed MRD comprising a cage including a closed magnetic circuit constructed from strong permanent magnets; and an optional shimming mechanism selected from an array of active shim coils, passive shimming elements or any combination thereof; a contained cavity within which the magnetic field strength is approximately uniform; and a means, such as a plurality of conveyor belts, pipes or any other transportation means by which a plurality of samples are introduced into the region of uniform magnetic field; such that magnetic resonance measurements are made on a plurality of samples within the region of uniform magnetic field. The invention depicts a cost effective method for obtaining a self- fastening cage of a MRD (100) characterized by an outside shell comprising superimposing at least three flexi-jointed walls (1) so that a homogeneous, stable and uniform magnetic field is provided therein.

L'invention concerne une nouvelle cage de dispositif à résonance magnétique (MRD) à fixation automatique (100) destinée à recevoir un champ magnétique homogène, stable et uniforme, caractérisée par une coque extérieure comprenant au moins trois parois superposées (1) reliées de manière flexible et disposées selon un agencement prédéterminé dans le sens des aiguilles d'une montre ou dans le sens inverse. Dans une technologie de cage à fixation automatique, l'invention concerne un MRD efficace multiflux comprenant un circuit magnétique fermé construit à partir d'aimants permanent puissants; un mécanisme de compensation facultatif sélectionné dans un ensemble de bobines de compensation actives, d'éléments de compensation passifs ou d'une combinaison de ceux-ci; une cavité à l'intérieur de laquelle la puissance du champ magnétique est approximativement uniforme; et des moyens, tels qu'une pluralité de bandes transporteuses, de tuyaux ou d'autres moyens de transport quelconques permettant l'introduction d'échantillons dans la région de champ magnétique uniforme. L'invention concerne également un procédé bon marché permettant d'obtenir une cage de MRD (100) à fixation automatique caractérisée par une coque externe comprenant au moins trois parois superposées (1) reliées de manière flexible de sorte qu'elle reçoit un champ magnétique homogène, stable et uniforme.

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