| 摘要 |
Apparatus comprising a parallelogram which is movable in one plane and which is formed by a first and a second coupling rod and a part of a first and a second supporting rod for an X-ray source or other device and a counterweight, respectively the coupling rods are pivotably connected near one end to the first supporting rod and are pivotably connected to the second supporting rod near their other ant. The parallelogram is pivotable about a stationary shaft which extends perpendicularly to the plane of movement. This shaft is situated between the two pivots of a coupling rod. The apparatus on accordance with the invention reduces the risk of a patient being clamped by the parallelogram. |
