| 摘要 |
An X-ray imaging system includes a joint enabling rotation of an X-ray device rotatable arm unrestricted by cabling. An X-ray imaging system usable in medical interventional procedures includes a rotatable arm. A rotatable arm includes an X-ray radiation emitting device located towards one end of the rotatable arm and an X-ray detector device located towards the opposite end of the rotatable arm. The detector device acquires X-ray radiation emitted by the emitting device that has passed through a patient. A base unit supports the rotatable arm and includes a joint enabling rotation of the rotatable arm unrestricted by cabling, about a patient on a support surface. The joint includes, (a) mating electrical contact surfaces providing electrical power to the rotatable arm from the base unit during rotation of the rotatable arm unrestricted by cabling and (b) a signal interface for providing electrical signals received from the rotatable arm to the base unit during rotation of the rotatable arm unrestricted by cabling. An X-ray imaging system controller controls application of electrical power to the rotatable arm via the base unit.
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