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A global radiotherapy system

A ray source and X-ray tube technology, applied in the field of global radiation therapy system, can solve the problem of limited treatment space, achieve good treatment effect, fast switching, and simplified treatment system

Active Publication Date: 2022-04-29
BEIJING RAYER SHIWEI MEDICAL RES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] The technical problem to be solved by the present invention is to overcome the limitation of the treatment space of the existing radiosurgery robot system, and provide a global radiotherapy system. Under the guidance of dual images, two treatment centers respectively composed of a low-level treatment center and a high-level treatment center are provided. Space, to achieve radiosurgery treatment in the global treatment space

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] A treatment example using a combined treatment mode of high and low treatment centers requires radiation therapy on the upper and back of the patient at the same time, assuming that there are a total of 5 treatment points (the number of treatment points in real cases can be dozens or more, here only Use 5 for illustration, wherein treatment points 91, 92, and 93 are treated in the low-level treatment center mode, and treatment points 94 and 95 are treated in the high-level treatment center mode. Treatment point 93 is located in the treatment space of the low-level treatment center and the high-level treatment center at the same time , this embodiment adopts low-level treatment center model treatment, as shown in Figure 8(a).

[0074] Such as Figure 8(b)-8(c) As shown, according to the treatment path planned by the treatment plan, the image-guided localization of the low-level treatment center is performed, where d 11 1650mm, d 12 2003mm, d 21 for 2018mm, d 22 1553m...

Embodiment 2

[0076] In a treatment example using the treatment mode of a low-level treatment center, radiation therapy is performed on the top and side of the patient, assuming that there are a total of 5 treatment points (the number of treatment points in real cases can be dozens or more, here only 5 are used as the treatment point) Schematic), wherein the treatment points 101, 102, 103, 104, 105 are treated in the low-level treatment center mode, as shown in Figure 9(a).

[0077] As shown in Figure 9(b), according to the treatment path planned by the treatment plan, the image-guided positioning of the low-level treatment center is performed, where d 11 1650mm, d 12 2003mm, h 1 920mm, α 1 at 45°, H 1 It is 2336.33mm. The six-degree-of-freedom robot carries the accelerator and arrives at the designated treatment nodes 101, 102, 103, 104, and 105 on the treatment sphere in sequence to project treatment beams and complete the treatment in the treatment space of the low-level treatment ce...

Embodiment 3

[0079] A treatment example using the treatment mode of an advanced treatment center, radiation therapy is performed on the patient's top and side, assuming that there are a total of 5 treatment points (the number of treatment points in real cases can be dozens or more, and only 5 are used here for illustration) ), where 111, 112, 113, 114, and 115 treatment points are all advanced treatment center mode treatment, as shown in Figure 10(a).

[0080] As shown in Figure 10(b), according to the treatment path planned by the treatment plan, the image-guided positioning of the advanced treatment center is performed, where d 21 for 2018mm, d 22 1553mm, h 2 1400mm, α 2 35.3°, H 2 It is 2667.14mm. The six-degree-of-freedom robot carries the accelerator and arrives at the designated treatment nodes 111, 112, 113, 114, and 115 on the treatment sphere in sequence to project the treatment beam and complete the treatment in the treatment space of the advanced treatment center.

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Abstract

The invention discloses a global radiotherapy system, which includes a multi-freedom robot, a linear accelerator, and a dual-image guided positioning mechanism. The dual-image guided positioning mechanism includes four radiation sources, two radiation detectors, radiation source one and radiation source The intersection of the two beams sent by the second beam is the low-level treatment center, the intersection of the two beams sent by the ray source three and the ray source four is the high-level treatment center, and the low-level treatment center and the high-level treatment center are respectively the center of the sphere. A treatment node constitutes a global treatment space. Through the treatment space of the advanced treatment center, the system can effectively treat the target area near the back, such as the spine target area and the thoracoabdominal target area near the back, so that the patient can be effectively treated in a normal supine lying position; The global treatment space combined with the treatment center enables more treatment beams to be irradiated to the target area of ​​each part, obtains a more optimized and effective treatment dose distribution, and achieves better treatment effects.

Description

technical field [0001] The invention relates to a radiosurgery robot system, in particular to a global radiation therapy system. Background technique [0002] Image-guided radiation therapy (Image Guided Radiation Therapy, IGRT) is a new technology for tumor radiation therapy that has been gradually developed in the past ten years. It uses advanced image equipment and image processing methods to accurately detect the target area of ​​patients during the treatment planning stage. , Outlining and treatment beam distribution planning, dose distribution calculation, accurate target positioning before treatment irradiation, and target movement tracking during treatment, to achieve precise radiation therapy for tumors and reduce damage to normal tissues and key organs around the tumor. damage. [0003] The radiosurgery robot system is a special equipment for radiosurgery treatment, which is mainly used for precise radiotherapy of whole body solid tumors. The CyberKnife radiosurg...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61N5/10
CPCA61N5/1049A61N2005/1092A61N2005/1085A61N2005/1061A61N5/1083A61N5/1084
Inventor 付东山顾振宇王亚波安陆军
Owner BEIJING RAYER SHIWEI MEDICAL RES CO LTD