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Non-coplanar radiotherapy system

A treatment system and non-coplanar technology, applied in X-ray/γ-ray/particle irradiation therapy, etc., can solve the problems of poor movement flexibility of the gantry, inability to perform revolution, and limit non-planar radiation therapy, so as to improve flexibility and range of motion, improved accuracy, and high imaging positioning accuracy

Active Publication Date: 2015-11-25
SICHUAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the existing radiotherapy equipment, the movement flexibility of the frame carrying the accelerator / ray source is poor, and it cannot perform revolution, which limits the feasibility of realizing non-public radiotherapy

Method used

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Embodiment 1

[0024] Such as figure 1 The non-public radiotherapy system shown is composed of a ray source 1, a gantry 2, an image positioning system 3, and a treatment bed 4. The gantry 2 is composed of a revolution base 2-1, an L-shaped rotating arm 2-2, and C The revolving arm 2-3 is composed of three parts. The revolving base 2-1 and the L-shaped revolving arm 2-2 are connected by a rotating pair, which can realize the revolution of the frame 2 around the center axis of the revolving base. The center axis of 1 coincides with the center line of the X-ray emitted by the ray source 1, that is, it passes through the isocenter and is perpendicular to the ground. The L-shaped revolving arm 2-2 and the C-shaped revolving arm 2-3 are connected by a rotating pair to realize the frame 2 Rotate longitudinally around the patient; the ray source 1 is installed at one end of the C-shaped rotating arm 2-3, and the other end of the C-shaped rotating arm 2-3 is installed with a dose verification device 5 ...

Embodiment 2

[0028] Such as figure 2 As shown, the treatment bed support mechanism (4-3) in this embodiment is a multi-joint tandem robot, and the rest of the structure is the same as the first embodiment.

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Abstract

The invention relates to a non-coplanar radiotherapy system in the field of medical equipment, which comprises a radiation source, a frame, an image positioning system and a therapeutic bed. The frame is composed of a revolution base, an L-shaped rotation arm and a C-shaped rotation arm. The revolution base and the L-shaped rotation arm are connected via a revolute pair. The L-shaped rotation arm and the C-shaped rotation arm are connected via a second revolute pair. The radiation source is arranged at one end of the C-shaped rotation arm. The other end of the C-shaped rotation arm is provided with a dosimetric verification device. The image positioning system is composed of two sets of X-ray image systems. The two sets of X-ray image systems are arranged on the two sides of the C-shaped rotation arm in the crossed manner. The therapeutic bed is installed corresponding to the frame, and is composed of a therapeutic bed plate, a slipway and a therapeutic bed support mechanism. The therapeutic bed plate and the slipway are connected via a third revolute pair. The non-coplanar radiotherapy system can be used for the coplanar radiotherapy and the non-coplanar radiotherapy of head and neck neoplasms, bone neoplasms, spinal neoplasms and the like. Meanwhile, the frame is large in motion range and high in flexibility.

Description

Technical field [0001] The invention relates to the field of medical equipment, in particular to a non-coplanar radiotherapy system. Background technique [0002] Malignant tumors (cancers) are the main major diseases affecting the healthy development of our population. The World Health Organization’s "Global Cancer Report 2014" pointed out that nearly half of the new cancer cases occurred in Asia, most of which were in China, with China ranking first in new cancer cases. Among the four malignant tumors of the liver, esophagus, stomach and lung, China's new cases and deaths rank first in the world. There are about 3.5 million new cancer cases in China every year, and about 2.5 million people die as a result. [0003] Among the existing cancer treatment technologies, radiotherapy is a very important method. Among patients with curable tumors, the cure rate of radiotherapy can reach 12%. Therefore, the effect and significance of radiotherapy are very significant. With the developm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N5/10
Inventor 汤卿高文翔叶北发熊瑞平
Owner SICHUAN UNIV
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