A method and device for realizing the position calibration of a medical linear accelerator

A linear accelerator and radiation technology, used in X-ray/γ-ray/particle irradiation therapy, radiotherapy, treatment and other directions, can solve problems such as low efficiency and inaccurate calibration, and achieve the effect of improving accuracy and efficiency

Active Publication Date: 2021-08-24
SHENYANG NEUSOFT ZHIRUI RADIOTHERAPY TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of this, the embodiment of the present application provides a method and device for realizing the position calibration of a medical linear accelerator, so as to solve the problem of inaccurate and relatively low efficiency in the position calibration of various components of a medical linear accelerator in the prior art

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  • A method and device for realizing the position calibration of a medical linear accelerator
  • A method and device for realizing the position calibration of a medical linear accelerator
  • A method and device for realizing the position calibration of a medical linear accelerator

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Embodiment Construction

[0049] In order to make the above objects, features and advantages of the present application more obvious and understandable, the embodiments of the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0050] The inventors have found through research that the traditional calibration of the positions of the components of the medical linear accelerator is mainly through manual measurement and manual observation. However, the calibration operation of medical linear accelerators is complicated and the workload is large, which is limited by the technical level of the staff and environmental conditions, resulting in large randomness and low accuracy of calibration.

[0051] Based on this, the embodiment of the present application provides a method for realizing the position calibration of the medical linear accelerator. When the position of the medical linear accelerator needs to be calibra...

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Abstract

The embodiment of the present application discloses a method and device for realizing the position calibration of a medical linear accelerator. First, the first laser beam emitted by the first laser emitting device installed inside the radiation source system and projected onto the first detection surface of the photodetector is acquired. Location. Then, according to the first position and the position of the light detector relative to the origin of the coordinates of the patient support system, the position of the patient support system is adjusted so that the origin of the coordinates of the patient support system coincides with the laser projection point sent by the first laser emitting device. The gantry system is then controlled to rotate to another position, and according to the position of the gantry system, a second position where the laser light emitted by the first laser emitting device is projected onto the second detection surface of the photodetector is acquired. Adjust the movement of the patient support system according to the second position and the position of the photodetector relative to the origin of the coordinates of the patient support system, so that the origin of the coordinates of the patient support system coincides with the projection point of the laser emitted by the first laser emitting device, so as to realize automatic calibration of the patient support system .

Description

technical field [0001] The present application relates to the technical field of medical equipment, in particular to a method and device for realizing position calibration of a medical linear accelerator. Background technique [0002] A medical linear accelerator is a radiation therapy device that uses radiation to kill tumor tissue. A medical linear accelerator may include rack systems, radiation source systems, patient support systems, image guidance systems and other components. In actual use, the position of each component of the medical linear accelerator needs to be calibrated before the actual use of the medical linear accelerator every day. In the prior art, it is usually necessary for experienced staff to calibrate the positions of the components of the medical linear accelerator by means of manual measurement and manual observation. However, these methods are limited by the technical level of the staff and the environmental conditions. They are relatively random,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61N5/10
CPCA61N5/1049A61N5/1075A61N2005/105A61N2005/1092
Inventor 马晓迪
Owner SHENYANG NEUSOFT ZHIRUI RADIOTHERAPY TECH CO LTD
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