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    • 4. 发明授权
    • Apparatus and method for preparing oxygen-15 labeled water H.sub.2
[.sup.15 O] in an injectable form for use in positron emission
tomography
    • 用于在正电子发射断层摄影中用于注射形式的氧-15标记的水H 2 O的装置和方法
    • US5482865A
    • 1996-01-09
    • US258053
    • 1994-06-10
    • Richard A. FerrieriDavid J. SchlyerDavid Alexoff
    • Richard A. FerrieriDavid J. SchlyerDavid Alexoff
    • G21G1/10G01N37/00
    • G21G1/10Y10S422/903Y10S436/813Y10T436/13Y10T436/25
    • A handling and processing apparatus for preparing Oxygen-15 labeled water (H.sub.2 [.sup.15 O]) in injectable form for use in Positron Emission Tomography from preferably H.sub.2 [.sup.15 O] produced by irradiating a flowing gas target of nitrogen and hydrogen. The apparatus includes a collector for receiving and directing a gas containing H.sub.2 [.sup.15 O] gas and impurities, mainly ammonia (NH.sub.3) gas into sterile water to trap the H.sub.2 [.sup.15 O] and form ammonium (NH.sub.4.sup.+) in the sterile water. A device for displacing the sterile water containing H.sub.2 [.sup.15 O] and NH.sub.4.sup.+ through a cation resin removes NH.sub.4.sup.+ from the sterile water. A device for combining the sterile water containing H.sub.2 [.sup.15 O] with a saline solution produces an injectable solution. Preferably, the apparatus includes a device for delivering the solution to a syringe for injection into a patient. Also, disclosed is a method for preparing H.sub.2 [.sup.15 O] in injectable form for use in Positron Emission Tomography in which the method neither requires isotopic exchange reaction nor application of high temperature.
    • 一种用于制备用于正电子发射断层扫描的可注射形式的氧-15标记水(H2 [150])的处理和处理装置,优选通过照射氮气和氢气流动气体靶产生的H2。 该装置包括用于接收和引导含有H 2 O气体和杂质(主要是氨(NH 3))的气体到无菌水中以捕集H 2 O并在无菌水中形成铵(NH 4 +)的收集器。 用于通过阳离子树脂移除含有H 2 O和NH 4 +的无菌水的装置从无菌水中除去NH 4 +。 将含有H 2 O的无菌水与盐溶液组合的装置产生可注射溶液。 优选地,该装置包括用于将溶液输送到用于注射到患者体内的注射器的装置。 此外,公开了一种用于制备用于正电子发射断层扫描的可注射形式的H 2 O的方法,其中所述方法既不需要同位素交换反应也不应用高温。