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    • 6. 发明授权
    • X-ray system for irradiating material used in transfusions
    • X射线系统用于输血中使用的材料
    • US07706506B1
    • 2010-04-27
    • US12316503
    • 2008-12-12
    • Ralph R. WoodruffStoyan A. ToshkovTodor I. Donchev
    • Ralph R. WoodruffStoyan A. ToshkovTodor I. Donchev
    • H01J35/00
    • H01J35/065G21K1/10G21K5/08G21K5/10H01J35/12H01J35/18H01J2235/062H01J2235/083H01J2235/087H01J2235/1204H01J2235/1295H01J2235/163H01J2235/18H01J2235/186
    • A system for irradiating material used in transfusions. The material can be pre-transfused blood, blood components and marrow. The system includes a vacuum chamber with a plate cathode inside. The cathode has a large beam electrode field-electron emissive surface with a selected cross-sectional shaped area. A power supply is connected to the cathode for generating negative high-voltage pulses and causing a selected cross-sectional shaped beam of electrons to be emitted. An electron window is also disposed inside the vacuum chamber and made of thin metal foil. The electron window receives the selected cross-sectional shaped beam of electrons therethrough and onto an electron target disposed outside the vacuum chamber. The electron target receives the selected cross-sectional shaped beam of electrons thereon and generates a selected cross-sectional shaped X-ray beam. A cathode filter is disposed next to the electron target and eliminates low energy beams from the spectrum of the X-ray beam. The filtered X-ray beam exposes the material to high energy beams for irradiation.
    • 用于照射输血用材料的系统。 该物质可以是预先输注的血液,血液成分和骨髓。 该系统包括在其内部具有板状阴极的真空室。 阴极具有具有选定横截面形状区域的大束电极场电子发射表面。 电源连接到阴极,用于产生负的高电压脉冲,并引起选定的横截面形状的电子束。 电子窗还设置在真空室内并由薄金属箔制成。 电子窗口接收所选择的横截面形状的电子束,并接收到设置在真空室外部的电子靶上。 电子靶接收选定的横截面形状的电子束,并产生选定的横截面形状的X射线束。 阴极滤光器靠近电子靶设置,并且消除了来自X射线束的光谱的低能量束。 经过滤的X射线束将材料暴露于高能束以进行照射。