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Radiotherapy system and method

A radiation therapy and treatment device technology, applied in the field of radiation therapy systems, can solve problems such as high-intensity adverse effects of the main magnetic field coil

Active Publication Date: 2020-07-14
SHANGHAI UNITED IMAGING HEALTHCARE
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Combining an MRI device and a radiation therapy device to form a treatment device, arranging components of the MRI device (e.g., at least two main magnetic field coils, at least two magnetic shield coils) and components of the radiation therapy device (e.g., a linear accelerator ) without interfering with the
For example, passive shielding techniques for radiation therapy devices, such as providing a shielding structure around the linear accelerator of a radiation therapy device, may adversely affect the high strength of the main magnetic field coil (e.g. 1.5T)

Method used

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  • Radiotherapy system and method
  • Radiotherapy system and method

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Embodiment Construction

[0048] The following description is to enable those of ordinary skill in the art to implement and use the present application, and the description is provided under the circumstances of specific application scenarios and their requirements. It will be apparent to those skilled in the art that various changes can be made in the disclosed embodiments, and that the general principles defined in the application can be applied to other implementations without departing from the principle and scope of the application. examples and application scenarios. Accordingly, the application is not to be limited to the described embodiments, but is to be accorded the widest scope consistent with the claims.

[0049] Terms used in the present application are used to describe specific exemplary embodiments only, and do not limit the scope of the present application. As indicated in the application and claims, the terms "a", "an", "an" and / or "the" do not refer to the singular and may include t...

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Abstract

The present application relates to a therapy device comprising an MRI device configured to acquire MRI data about a region of interest. The MRI device may comprise at least two main magnetic field coils arranged coaxially along an axis. The MRI device may further comprise at least two shielding coils coaxially arranged along the axis. The current in at least one of the shielding coils is in the same direction as the current in the main magnetic field coil.

Description

technical field [0001] The present application generally relates to a radiotherapy system, and more particularly to an image-guided radiotherapy system combining radiotherapy and magnetic resonance imaging techniques. Background technique [0002] Currently, it is difficult to track tumor changes (eg, motion) during different treatment phases, which affects the radiation therapy of the tumor. Today, various imaging techniques can provide images of tumors before or during each treatment. For example, a magnetic resonance imaging (MRI) device may be used in conjunction with a radiation therapy device to provide an MRI image of a tumor. Combining an MRI device and a radiation therapy device to form a treatment device, arranging components of the MRI device (e.g., at least two main magnetic field coils, at least two magnetic shield coils) and components of the radiation therapy device (e.g., a linear accelerator ) without causing interference may be encountered. For example, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N5/10
CPCA61N5/1049A61N5/1045A61N5/10A61N2005/1055A61N2005/1092A61N2005/1052A61N2005/1061G01R33/4808G01R33/3806G01R33/3815G01R33/421A61B5/0036A61B5/055A61B5/748G01R33/3856G01R33/4215
Inventor 汪鹏倪成余兴恩
Owner SHANGHAI UNITED IMAGING HEALTHCARE
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