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Medical Diagnostic Apparatus Comprising a Drive System for Positioning a Radiation Source Facing a Radiation Detector
Medical Diagnostic Apparatus Comprising a Drive System for Positioning a Radiation Source Facing a Radiation Detector
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机译:包括驱动系统的医疗诊断设备,该驱动系统用于面对放射线检测器定位放射线源
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摘要
The invention relates to a medical diagnostic device comprising a drive system (15) for positioning a radiation source (3) and a radiation detector (5) facing each other with respect to a target (9). The medical diagnostic device comprises a frame (11) and a support (1). Via a central position the support (1) can be rotated with respect to the frame (11) between a first and a second extreme position. The drive system comprises a first (19) and a second (21) guiding wheel. At least one of the guiding wheels (19, 21) is driven by a drive means (27). Furthermore the drive system (15) comprises a belt (17) which is connected to the support (1) by two connection points (23, 25). In the central position of the support (1) the belt (17) is guided over and along the first (19) and the second (21) guiding wheels so that a zigzag configuration of the belt (17) is obtained. Due to the zigzag configuration of the belt (17) at least one of the connection points (23, 25) of the belt can move along its corresponding guiding wheel (19,21) providing a larger angular range than the angular range in similar constructions.
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