Cryogenic accumulator for spin-polarized xenon-129

F - Mech Eng,Light,Heat,Weapons – 25 – J

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F25J 1/00 (2006.01) A61K 49/18 (2006.01) C01B 23/00 (2006.01) G01R 33/28 (2006.01) H05H 3/02 (2006.01)

Patent

CA 2250167

A method and apparatus for accumulation of hyperpolarized 129X e is disclosed. The method and apparatus of the invention enable the continuous or episodic accumulation of flowing hyperpolarized 129Xe in frozen form. The method also permits the accumulation of hyperpolarized 129Xe. The invention further includes 129Xe accumulation means (17) which is integrated with 129Xe hyperpolarization means in a continuous or pulsed flow arrangement. The method and apparatus enable large scale production, storage, and usage of hyperpolarized 129Xe for numerous purposes, including imaging of human and animal subjects through magnetic resonance imaging (MRI) techniques.

Cette invention se rapporte à un procédé et à un appareil pour l'accumulation de ?129¿Xe hyperpolarisé, qui permettent l'accumulation en continu ou épisodique de ?129¿Xe hyperpolarisé en écoulement à l'état congelé. Ce procédé permet également l'accumulation de ?129¿Xe hyperpolarisé. Cette invention se rapporte en outre à un moyen d'accumulation de ?129¿Xe (17) qui est intégré au moyen d'hyperpolarisation de ?129¿Xe selon une disposition avec écoulement en continu ou pulsé. Ce procédé et cet appareil permettent la production, l'entreposage et l'utilisation à grande échelle de ?129¿Xe dans de nombreux domaines y compris la représentation en images de sujets humains ou animaux par des techniques d'imagerie par résonance magnétique (IRM).

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