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Image guide and breathing exercise analysis method

A technique of breathing movement, analysis method, applied in the field of radiation therapy

Active Publication Date: 2015-09-09
RADIATION THERAPY MEDICAL SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, most of the commonly used image-guided methods are based on rotating single-plane imaging system or fixed bi-plane imaging system, which can only realize part of the image-guiding function and cannot fully meet the clinical needs.

Method used

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  • Image guide and breathing exercise analysis method
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  • Image guide and breathing exercise analysis method

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Experimental program
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Embodiment

[0055] Such as Figure 1 to Figure 10 As shown, an image-guided and respiratory motion analysis method includes a C-arm and an X-ray imaging system, a treatment control system, a database management system, a treatment bed and an image-guided radiotherapy system, and the image-guided radiotherapy system is an IGRT system; The IGRT system is composed of an image acquisition software system, a respiratory motion tracking signal acquisition software system, an image guidance system, and a respiratory motion analysis system; The analysis system is connected by electrical communication, and the database management system is respectively connected by electrical communication with the image guidance system and the respiratory movement analysis system; between the image guidance system, the respiratory movement analysis system, the image acquisition software system, and the respiratory movement tracking system acquisition software system It is an electrical communication connection; t...

Embodiment approach

[0062] According to a preferred embodiment of the present invention, the system initialization method in the first step is as follows: the IGRT system receives a treatment control system start command to start, and the IGRT system obtains patient images and planning data from the database system and selects a treatment bed Locate the reference point; the IGRT system sends initialization instructions to the C-arm, X-ray imaging system, and image acquisition system and initializes; the IGRT system sends initialization instructions to the respiratory motion tracking signal acquisition software system and initializes.

[0063] According to a preferred embodiment of the present invention, the steps of the cross positioning method in the second step are as follows:

[0064] Step A, the IGRT system sends a rotation frame command to the C-arm and controls the C-arm to rotate to an angle a; after receiving the rotation completion signal sent by the C-arm, the IGRT system reads the curre...

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Abstract

The invention discloses an image guide and breathing exercise analysis method. According to the image guide and breathing exercise analysis method, on the basis of two patient positioning ways of a cross positioning two-dimensional X-ray image and a three-dimensional CBCT (Cone Beam Computed Tomography) image, patient positioning and adaptive radiotherapy analysis can be quickly and precisely performed before treatment by utilizing the three-dimensional CBCT image, and online monitoring of the patient posture change and real-time tracing of moving tissues can be performed under treatment by utilizing the cross positioning two-dimensional X-ray image. In addition, an individualized positioning method can be established aiming at different patients and different treatment positions.

Description

technical field [0001] The invention relates to the technical field of radiotherapy, in particular to an image guidance and respiratory motion analysis method. Background technique [0002] Radiation therapy is a commonly used means of tumor treatment. Image guidance is an important technical means to ensure the accuracy and curative effect of tumor radiotherapy. In the treatment implementation of tumor radiotherapy, the main application of image-guided technology includes the following aspects. One is based on image-guided patient positioning, that is, adjusting the patient's treatment position by collecting online images of the patient and comparing them with the planned images, so that the patient's position during treatment is consistent with the planned patient position. The other is adaptive radiation therapy, which uses online 3D images to analyze changes in the shape and position of the patient's tissues and organs as well as the actual radiation dose received, and...

Claims

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Application Information

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IPC IPC(8): A61N5/00A61B6/03
Inventor 周付根吴大可姚进刘博李超许轩昂郭斌梁斌廖华宣韦崇高
Owner RADIATION THERAPY MEDICAL SCI & TECH CO LTD
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