Multi-blade collimator of ray accelerator treatment head and tumor radiotherapy equipment

A multi-leaf collimator and accelerator technology, applied in radiation therapy, X-ray/γ-ray/particle irradiation therapy, treatment, etc., can solve the problems of low structural strength, radiation leakage, difficult processing, etc., to improve resolution , Improve the field conversion efficiency and reduce the effect of ray radiation leakage

Pending Publication Date: 2020-02-07
SHINVA MEDICAL INSTR CO LTD
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  • Abstract
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  • Application Information

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Problems solved by technology

This method is difficult to process due to the thin thickness of the blades of the tungsten alloy material, and the structural strength becomes low, easy

Method used

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  • Multi-blade collimator of ray accelerator treatment head and tumor radiotherapy equipment
  • Multi-blade collimator of ray accelerator treatment head and tumor radiotherapy equipment
  • Multi-blade collimator of ray accelerator treatment head and tumor radiotherapy equipment

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Embodiment Construction

[0026] The core of the present invention is to provide a multi-leaf collimator for a ray accelerator treatment head. By setting a multi-layer structure and setting a right-angle chamfer on the front end of the side of the blade, the conformal resolution of the radiation field is improved, radiation leakage is reduced, and the beam radiation is improved. wild conversion efficiency. Another core of the present invention is to provide a tumor radiotherapy equipment including the multi-leaf collimator of the ray accelerator treatment head.

[0027] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0028] Please refer to Figure 1 to Figure 5 , figure 1 A structural schematic diagram of a specific embodiment of the multi-leaf collimator of the ray accelerator treatment head provided by the p...

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Abstract

The invention discloses a multi-blade collimator of a ray accelerator treatment head. The multi-blade collimator comprises a tank body which is arranged in a multi-layer manner, wherein openings whichpenetrate through the tank body are formed in the upper surface and the lower surface of each layer of the tank body; all the openings are coaxially formed and are used for enabling rays to penetrate; a plurality of vertical blades are arranged in each layer of the tank body; the blades are divided into two groups, and are respectively arranged on two ends of the tank body; the front ends of every two groups of the blades in the horizontal direction are opposite and are located at the corresponding opening; a driver is independently connected to the rear end in the horizontal direction of each blade; the blades in each group are sequentially arrayed, and the side surfaces of the blades are attached to each other; and a right angle beveling is arranged at the front end edge of the side surface of each blade. Through the adoption of the multi-blade collimator disclosed by the invention, multi-blade collimator can be more effectively attached to the edge of the tumor, so that better radiation field shape adapting effect is realized, radiation field shape adapting resolution is increased, ray radiation leakage is reduced, and radiation field transformation efficiency is improved. Theinvention also discloses tumor radiotherapy equipment comprising the multi-blade collimator of the ray accelerator treatment head.

Description

technical field [0001] The invention relates to the field of medical equipment, in particular to a multi-leaf collimator for a treatment head of a ray accelerator. In addition, the present invention also relates to a tumor radiotherapy equipment comprising the multi-leaf collimator of the ray accelerator treatment head. Background technique [0002] Tumor radiotherapy equipment treats tumors with high-energy rays, which has the advantages of high efficiency and precision. The main component of tumor radiotherapy equipment is a ray accelerator treatment head, which accelerates electrons through the accelerator to output high-energy rays, and irradiates the tumor for treatment. At the same time, ray radiation will also affect the body. In order to prevent radiation leakage, a multi-leaf collimator needs to be installed to form an irradiation hole that matches the shape of the tumor. . [0003] The multi-leaf collimator is a radiation collimation device composed of multiple b...

Claims

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Application Information

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IPC IPC(8): A61N5/10
CPCA61N5/103A61N5/1045A61N5/1077A61N2005/1092
Inventor 车永新李兴成成希革任旗刘晓马俊
Owner SHINVA MEDICAL INSTR CO LTD
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