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    • 6. 发明授权
    • Apparatus and method for electromagnetic inspection of cannula alignment
    • 套管对准电磁检查的装置和方法
    • US08861677B2
    • 2014-10-14
    • US13152808
    • 2011-06-03
    • Fred Eric GrayJustin MillerMarla Meyer
    • Fred Eric GrayJustin MillerMarla Meyer
    • G06K9/00G06T7/00
    • G06T7/0004G06T2207/10116G06T2207/30136G06T2207/30242
    • A syringe inspection device and method for determining the position of a cannula in a cannula shield attached to a syringe. An electromagnetic radiation emitter is configured to emit electromagnetic radiation having a propagation axis. An electromagnetic radiation detector has an inspection window defined by a beam restrictor. A mount is configured to releasably retain the syringe between the emitter and the detector such that a longitudinal axis of the syringe is substantially coincident with the propagation axis. An image analyzer is operatively coupled to the detector. The image analyzer is configured to produce a syringe rejection signal when the cannula is irradiated and an electromagnetic image in the inspection window has two or less distinctly separate objects based on a contiguity of pixels having substantially like-valued intensity.
    • 一种注射器检查装置和方法,用于确定连接到注射器的插管屏蔽件中套管的位置。 电磁辐射发射器被配置为发射具有传播轴的电磁辐射。 电磁辐射检测器具有由光束限制器限定的检查窗口。 安装件构造成将注射器可释放地保持在发射器和检测器之间,使得注射器的纵向轴线基本上与传播轴线重合。 图像分析器可操作地耦合到检测器。 图像分析器被配置为当套管被照射时产生注射器排斥信号,并且基于具有基本上相似值的像素的连续性,检查窗中的电磁图像具有两个或更少的明显分离的物体。