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    • 8. 发明授权
    • Primary-beam collimator for stereo radiographic x-ray diagnostic
apparatus
    • 用于立体放射X光诊断仪的一次射束准直仪
    • US4641335A
    • 1987-02-03
    • US720321
    • 1985-04-05
    • Alfred Hahn
    • Alfred Hahn
    • G21K1/04A61B6/02A61B6/06A61B6/08G21K1/02
    • A61B6/022A61B6/06A61B6/08G21K1/02
    • A primary-beam collimator for a stereo radiographic x-ray diagnostic installation has an x-ray tube with dual focal points (F1, F2) arranged at a distance from each other. Shutter leaves (1a, 1b, 2a, 2b, 3a, 3b, 4a, 4b) are provided, and adjustable so that two beam pyramids (I from focal point F1, and II from focal point F2) can be individually controlled. Two internal shutter leaves (4a, 4b) are provided for restricting the beam in planes perpendicular to the stereo base F1-F2. These are adjustable between two external shutter leaves--each in the direction of its corresponding external shutter leaf. The internal shutter leaves (4a, 4b) are constructed so that, when adjusted to their external positions, they permit the emission of a central beam-pyramid from a central focal point (FN) and, together with the external shutter leaves (2a, 2b), they close the external shutter openings.
    • 用于立体放射X射线诊断装置的一次束准直仪具有配置为彼此距离的双焦点(F1,F2)的X射线管。 提供了快门叶片(1a,1b,2a,2b,3a,3b,4a,4b),并且可调节,使得可以单独地控制两个横梁金字塔(来自焦点F1的I和来自焦点F2的II)。 提供两个内部快门叶片(4a,4b),用于在垂直于立体基座F1-F2的平面中限制光束。 这些可以在两个外部快门叶片之间调节,每个叶片沿相应的外部快门叶片的方向。 内部快门叶片(4a,4b)被构造成使得当调节到其外部位置时,它们允许从中心焦点(FN)发射中心束 - 金字塔,并且与外部快门叶片(2a, 2b),它们关闭外部闸门开口。
    • 9. 发明授权
    • Patient support table
    • 病人支持表
    • US4582310A
    • 1986-04-15
    • US670048
    • 1984-11-09
    • Alfred Hahn
    • Alfred Hahn
    • A61G13/06B66F7/06A61G13/00
    • B66F7/065A61G13/06A61G2210/50
    • An x-ray examination table having a trestle on which a patient support platform is height-adjustably mounted, characterized by the trestle having a liftable member on which the table is mounted being connected to a base by a double-jointed support arrangement and being movable to the base by a lifting arrangement. The double-jointed support arrangement includes a pair of brackets pivotally connected together and having one of the pair being pivotally connected to the liftable member and the other being pivotally connected to the base. The pivotal connections are shafts which extend parallel to each other for each linkage arrangement and perpendicular to the shafts of the adjacent linkage arrangement so that the double-jointed supports guide the liftable member as it is moved between the upper and lowermost positions.
    • 一种具有托架的X射线检查台,患者支撑平台可高度可调节地安装在该支架上,其特征在于,所述支架具有其上安装有所述工作台的可升降构件,其通过双重接合的支撑装置连接到基座并且可移动 通过提升安排到基地。 双接头支撑装置包括一对托架,其枢转地连接在一起,并且一对托架枢转地连接到可升降构件,另一个枢转地连接到基座。 枢转连接是针对每个联动装置彼此平行地延伸并且垂直于相邻联动装置的轴的轴,使得双重接合的支承件在可升降构件在上下位置之间移动时引导可升降构件。