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US08335296B2 Multi-leaf collimators and operating method 失效
多叶准直仪和操作方法

Multi-leaf collimators and operating method
摘要:
Multi-leaf collimators have a guide frame (1) with a plurality of metal plates (3) arranged in a displaceable fashion, by which each individual metal plate can be displaced by an electric motor (M), with the electric motor (M) being a rotary electromechanical motor (M), which operates according to the form-fit principle, with electromechanical actuators.
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