R 333.5421 X-ray equipment.

Rule 421. (1) Radiographic x-ray equipment shall meet the requirements of R 333.5405 excluding subrules (5) and (11). (2) Fluoroscopic x-ray equipment shall meet the requirements of R 333.5411 excluding subrules (3), (4), (5), and (7). (3) The radiographic exposure control switch shall be located on the machine where adequate personnel protection is provided to attenuate the direct and scatter radiation, or the length of switch cord shall be such that the operator shall be able to stand at least 1.8 meters (6 feet) from the patient, the x-ray tube, and out of the useful beam. A coil type extension switch cord capable of providing more than 1.8 meters (6 feet) of distance protection is recommended. (4) Hand-held fluoroscopic screens and others not attached to a diagnostic source assembly with stable mounting shall not be used. (5) Image intensification shall always be provided on mobile fluoroscopic equipment. Mobile fluoroscopic equipment shall be impossible to operate unless the useful beam is intercepted by the image intensifier. Means shall be provided to limit the source-skin distance to not less than 30 centimeters (12 inches). For fluoroscopes intended for specific surgical application that would be prohibited at the source-skin distances specified in this subrule, provisions may be made for operation at shorter source-skin distances but in no case less than 20 centimeters.