MRI guided robot radiation treatment system

A technology of radiotherapy and robotics, applied in the field of medical devices, can solve the problems of tissue damage and low scorched skin of patients, and achieve the effect of high soft tissue contrast, high scorched skin ratio and less damage

Inactive Publication Date: 2017-08-25
SICHUAN UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

[0004] However, the current magnetic resonance image-guided radiation therapy systems basically belong to isocenter coplan...

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  • MRI guided robot radiation treatment system
  • MRI guided robot radiation treatment system

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Embodiment Construction

[0016] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0017] like figure 1 As shown, an MRI-guided robotic radiotherapy system includes a linear accelerator 2 and a magnetic resonance imaging device, the magnetic resonance imaging device has a split magnet for forming a magnetic field, and the split magnet 8 includes two corresponding to each other Magnetic poles (8 and 9), there is a treatment space 11 for accommodating patients between the two magnetic poles (8 and 9), the linear accelerator 2 is installed on the robot 1, and the linear accelerator 2 is carried by the robot 1 to move, so as to The ray is irradiated from the space to the isocenter 10, and it is characterized in that: the central axis C-C of the treatment space 11 passes through the isocenter 10 and its initial direction is parallel to the central axis A-A of the treatment couch 4. The body magnets (8 and 9) can rotate ...

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Abstract

The invention provides an MRI guided robot radiation treatment system. The system comprises a linear accelerator and magnetic resonance imaging equipment, wherein the magnetic resonance imaging equipment has split magnets used for constructing a magnetic field, a treatment space is formed among the split magnets, the linear accelerator is mounted on a robot and is carried by the robot to do motion so as to make rays align at an isocenter point to radiate from the treatment space, an axis of the treatment space passes through the isocenter point, an initial direction of the axis of the treatment space and an axis of a treatment bed are parallel, the split magnets can rotate around an axis which is perpendicular to the ground and passes through the isocenter point and can further rotate around the axis of the treatment space, the linear accelerator and the split magnets are carried by the robot to realize synchronous rotation, and the rays are made to radiate the isocenter point in different directions. The system is advantaged in that isocenter and non-coplanar treatment for patients can be realized, a focus-skin ratio is high, and damage to the patients can be reduced.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and in particular relates to an MRI (magnetic resonance imaging)-guided robot radiotherapy system. Background technique [0002] In the current radiation therapy, most of the widely used image-guided technologies use X-rays for image guidance, which will cause patients to receive more extra X-ray doses and cause greater harm to patients. Magnetic resonance imaging guidance technology has been valued and developed by virtue of the advantage of not causing additional damage to the human body. [0003] In addition, isocenter non-coplanar therapy has become an important development trend, which can make the patient receive a higher radiation dose in the target area, while the radiation dose received by the surrounding normal tissues is lower, so as to protect the normal tissues of the human body as much as possible . [0004] However, the current magnetic resonance image-guided radiation th...

Claims

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Application Information

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IPC IPC(8): A61N5/10
CPCA61N5/1049A61N5/107A61N5/1083A61N2005/1055
Inventor 汤卿熊瑞平黄春强姚进吴大可
Owner SICHUAN UNIV
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