Medical linear accelerator and control method thereof
A linear accelerator and linear guide rail technology, which is applied in X-ray/γ-ray/particle irradiation therapy, radiotherapy, treatment, etc., can solve the problems of no beam therapy, limited application scenarios, and human psychological impact, and achieve simple structure, Ease of use and small size
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Embodiment 1
[0055] like figure 1 As shown, a medical linear accelerator includes a fixed frame 1, a treatment bed 6 and a rotating device. The fixed frame 1 is provided with an access hole 7 corresponding to the position of the treatment bed 6, wherein the rotating device consists of a rotating frame I2 and The rotating frame II3 is composed of rotating frame I2 and rotating frame II3, which are L-shaped single-arm structures; the end of rotating frame I2 is provided with a central hole that is consistent with the access hole 7, and the axis of the access hole 7 and the rotation The assembly bearing axis of the frame I2 is coaxial with the rotation axis of the rotating frame I2; the rotating frame II3 is connected with the rotating frame I2, and the rotation axes of the rotating frame I2 and the rotating frame II3 are vertically intersected; There is a beam generating device 4 and a beam limiting device 5 on the top, and the free combination of two rotating frames at different angles make...
Embodiment 2
[0058] Except that the rotating frame I2 is a double-arm beam structure, the rotating frame I2 is synchronously driven to rotate through the bearing seats at both ends of the fixed frame 1 and the drive motor; the rotating frame II3 with a rectangular frame structure on the double-arm beam of the rotating frame I2, The rotating frame II3 is synchronously driven and rotated by the bearing housings and the drive motors arranged at both ends of the rotating frame I2, and the rest of the structure is the same as that of the first embodiment. Embodiment 2 On the basis of Embodiment 1, the two rotating racks are configured as a double-arm structure, and its rotation control precision is high, and compared with Embodiment 1, it occupies a larger space.
[0059] like figure 2 As shown, the double-arm beam length of the rotating frame I2 is relatively short, thereby saving the overall occupied space. The rotating frame I2 can rotate continuously at 360°, and the rotating angle of the ...
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