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Motion management in image-guided radiotherapy

A technique in radiation therapy, image, used in the field of radiotherapy or radiotherapy

Active Publication Date: 2019-01-15
ELEKTA AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such long acquisition times make 3D MRI unsuitable for tracking motion related to tumor changes during treatment sessions

Method used

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  • Motion management in image-guided radiotherapy
  • Motion management in image-guided radiotherapy
  • Motion management in image-guided radiotherapy

Examples

Experimental program
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Embodiment Construction

[0021] Exemplary embodiments are described with reference to the drawings. Wherever convenient, the same reference numbers will be used throughout the drawings to refer to the same or like parts. While examples and features of the disclosed principles are described herein, modifications, adaptations and other implementations are possible without departing from the spirit and scope of the disclosed embodiments. Furthermore, the words "comprise", "have", "comprising" and "containing" and other similar forms are intended to be equivalent in meaning and are to be construed open-ended in that one or more terms following any of these words Items are not meant to be an exhaustive list of such one or more items, nor are they meant to be limited to the one or more items listed. Also, singular forms are intended to include plural unless the context clearly dictates otherwise.

[0022] Systems and methods consistent with the present disclosure relate to image-guided radiation therapy o...

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Abstract

Systems and methods for managing motions of an anatomical region of interest of a patient during image-guided radiotherapy are disclosed. An exemplary system may include an image acquisition device, aradiotherapy device, and a processor device. The processor device may be configured to determine a primary plane of motion of the anatomical region of interest and determine a plurality of 2D slicesparallel to the primary plane. The plurality of 2D slices may define a 3D volume substantially enclosing the anatomical region of interest. The processor device may also be configured to control the image acquisition device to acquire a plurality of 2D images based on the plurality of 2D slices and determine a motion of the anatomical region of interest based on at least a subset of the acquired plurality of 2D images. The processor device may be further configured to control radiation delivery based on the determined motion.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of priority to US Provisional Application No. 62 / 292,726, filed February 8, 2016, the entire contents of which are incorporated herein by reference. technical field [0003] The present disclosure generally relates to radiation therapy or radiotherapy. More specifically, the present disclosure relates to systems and methods for managing patient motion in image-guided radiation therapy. Background technique [0004] Radiation therapy is used to treat cancer and other diseases in the tissues of mammals, such as humans and animals. An exemplary radiation therapy is provided that uses a linear accelerator (LINAC), whereby the tumor is irradiated with energetic particles (eg, electrons, protons, ions, etc.). During radiation therapy, an image acquisition device may be used to acquire images of tumors and surrounding tissues to improve the accuracy of radiation field placement. For exam...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N5/01A61N5/10G06T7/20
CPCA61N5/1045A61N5/1049A61N5/1064A61N5/1067A61N5/1068A61N5/107A61N2005/1055G06T2207/10016G06T2207/10081G06T2207/10088G06T2207/30096G06T7/254A61N5/1039A61N5/1077G01R33/4808G06T11/003G06T2207/10076G06T7/246
Inventor 马丁·埃米尔·拉谢纳
Owner ELEKTA AB
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