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Systems and methods for intrafractional ct imaging in image-guided radiotherapy

A radiation system and imaging technology, applied in the system field of image-guided radiation therapy, can solve the problems of error-prone, complex imaging operation and treatment operation, etc.

Active Publication Date: 2020-05-01
SHANGHAI UNITED IMAGING HEALTHCARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Imaging and treatment procedures can be complex and error-prone due to, for example, table sagging, real-time changes or movements of internal organs including and near the treatment target, etc., or a combination thereof

Method used

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  • Systems and methods for intrafractional ct imaging in image-guided radiotherapy
  • Systems and methods for intrafractional ct imaging in image-guided radiotherapy
  • Systems and methods for intrafractional ct imaging in image-guided radiotherapy

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Embodiment Construction

[0072] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following briefly introduces the drawings that need to be used in the description of the embodiments. However, it will be apparent to those skilled in the art that the present application may be practiced without these details. In other instances, well-known methods, procedures, systems, components, and / or circuits have been described generally at a relatively high level in order to avoid unnecessarily obscuring aspects of the application. It will be apparent to those skilled in the art that various changes to the disclosed embodiments can be made, and that the general principles defined herein can be applied to other implementations without departing from the principles and scope of the application. examples and application scenarios. Thus, the application is not to be limited to the embodiments shown, but is to be accorded the widest scope consistent with th...

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Abstract

A radiation system may include a treatment assembly including a first radiation source, a second radiation source, and a first radiation detector. The first radiation source may be configured to deliver a treatment beam covering a treatment region of the radiation system, and the treatment region may be located in a bore of the radiation system. The second radiation source may be configured to deliver a first imaging beam covering a first imaging region of the radiation system, and may be mounted rotatably on a first side of the treatment assembly. The first radiation detector may be configured to detect at least a portion of the first imaging beam, and may be mounted rotatably on a second side of the treatment assembly. The treatment assembly, the second radiation source, and the first radiation detector may be positioned such that the treatment region is addressable for the radiation system.

Description

technical field [0001] The present application relates generally to systems and methods for image-guided radiation therapy, and more particularly to systems and methods for intra-fraction computed tomography (CT) imaging in image-guided radiation therapy. Background technique [0002] Image-guided radiation therapy (IGRT) is a tumor treatment technique in which three-dimensional (3D) or two-dimensional (2D) volumetric imaging (or 2D / 3D imaging over time) can be used to localize the targeted tumor and / or tumor motion. In some IGRT applications, a subject (eg, a patient) undergoing IGRT may need to move between an imaging (eg, computed tomography [CT] imaging) location and a treatment location. Imaging and treatment procedures can be complex and error-prone due to, for example, table sagging, real-time changes or movements of internal organs involving and near the treatment target, etc., or a combination thereof. Accordingly, it is desirable to provide systems and methods for...

Claims

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Application Information

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IPC IPC(8): A61N5/00
CPCA61N5/1067A61N5/1049A61N2005/1061A61N2005/1052A61N5/107A61B6/032A61B6/5264A61N5/1039A61B6/4085A61B6/542A61N2005/1022A61B6/4078
Inventor J·N·斯塔尔J·墨子
Owner SHANGHAI UNITED IMAGING HEALTHCARE
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