68 results about "Low Dose Radiation" patented technology

The invention provides a front collimator suitable for low-dose radiation of CT equipment and the CT equipment, and relates to the technical field of medical equipment. The CT equipment comprises an X-ray tube, the front collimator, an inverter, a high voltage generator, a detector data acquisition system, a linear power supply assembly, a heat exchanger, a counterweight device, a fixed counterweight assembly and a rotating substrate; the front collimator comprises an X-ray collimator frame, an X-ray filtering device, an X-ray filtering driving device, an X-ray collimation device, an X-ray collimation driving device and an X-ray shielding device; and the front collimator is located below the X-ray tube and adopts integrated design, an X-ray tube filtering device and the X-ray collimation device are located in the X-ray collimator frame at the same time, and all assemblies of the front collimator are convenient to install, detach and maintain. According to the invention, collimation andshielding of X-rays can be achieved, the low leakage rate of the X-rays is ensured, and the body health of medical staff is protected.