Magnetic resonance guided radiotherapy system

A magnetic resonance and magnetic resonance imaging technology, applied in radiation therapy, treatment, X-ray/γ-ray/particle irradiation therapy, etc., can solve problems affecting the treatment effect, achieve large moving space, convenient positioning, and reduce the impact Effect

Inactive Publication Date: 2018-03-06
SHANGHAI UNITED IMAGING HEALTHCARE
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Problems solved by technology

[0004] Based on this, it is necessary to provide a magnetic resonance-guided radiotherapy that can provide patients with a large positioning space for the current problem that the tumor is moved to the isocenter of the radiotherapy equipment due to the small aperture of the magnetic resonance equipment, which affects the treatment effect. system

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Embodiment Construction

[0032] In order to make the object, technical solution and advantages of the present invention clearer, the magnetic resonance-guided radiotherapy system of the present invention will be further described in detail below through examples and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0033] see figure 1 and figure 2 , the present invention provides a magnetic resonance guided radiotherapy system 100 , including a magnetic resonance structure 110 and a radiotherapy structure 120 . The magnetic resonance structure 110 is used to collect magnetic resonance imaging data from the imaging area, and the radiation therapy structure 120 includes a radiation source for generating radiation to perform radiation therapy on tumors. The magnetic resonance-guided radiotherapy system 100 of the present invention combines the magnetic...

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Abstract

The invention provides a magnetic resonance guided radiotherapy system. The magnetic resonance guided radiotherapy system comprises a magnetic resonance structure for acquiring magnetic resonance imaging data from an imaging zone, and a radiotherapy structure including a ray source for producing radiation, wherein the magnetic resonance structure comprises a magnet for generating a magnetic fieldin the imaging zone, the magnet is provided with a magnet body hole, the radiotherapy structure is suitable for enabling the ray source to rotate, and in the plane perpendicular to the axis of the magnet body hole, the size of the magnet body hole in the first direction is greater than the size of the magnet body hole in the second direction. Therefore, the magnetic resonance guided radiotherapy system can provide larger moving space for a patient located in the magnet body hole, is conductive to movement of a focal zone to the isocenter of the radiotherapy structure and ensures the radiotherapy accuracy.

Description

technical field [0001] The invention relates to the technical field of medical equipment, in particular to a radiotherapy system guided by magnetic resonance. Background technique [0002] Magnetic resonance-guided radiotherapy equipment uses real-time magnetic resonance imaging to obtain the precise location of the patient's tumor during radiotherapy, so that the tumor can receive an effective dose without affecting healthy cells near the tumor. Unlike CT-guided linear accelerator radiotherapy equipment, this MRI-guided radiotherapy equipment can avoid unnecessary dose increases, thereby achieving more precise radiation therapy. [0003] Usually, the radiotherapy equipment guided by magnetic resonance mainly includes, one part is a linear accelerator system for treatment, and the other part is a magnetic resonance equipment for imaging. A uniform magnetic field is formed in the aperture of the magnetic resonance equipment, and the gradient coil is used for encoding, so as ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N5/10
CPCA61N5/1049A61N5/1064A61N5/1065A61N5/1069A61N2005/1055
Inventor 廖浪
Owner SHANGHAI UNITED IMAGING HEALTHCARE
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