Motion control method and device
A motion control, motion control system technology, applied in radiation therapy, X-ray/γ-ray/particle irradiation therapy, treatment, etc., can solve problems such as low precision and inability to adjust in real time
Active Publication Date: 2019-07-05
NEUSOFT MEDICAL SYST CO LTD
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[0006] The embodiment of the present application provides a motion control method and device, aiming to solve the technical problems of low precision and inability to adjust in real time in the radiotherapy control method existing in the prior art
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[0069] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.
[0070] The embodiment of the present application provides a motion control method and device, which can realize dynamic real-time planning and adjustment, effectively improve the overall control accuracy of the system, facilitate the smooth completion of radiation therapy, and reduce the pressure on medical staff and patients.
[0071] It should be noted that the m...
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An embodiment of the invention discloses a motion control method and device. The method is applied to a motion control system. The motion control system is used for controlling at least two motion system to respectively move to corresponding expected positions at the same time. The method includes: acquiring the expected position, in each sub-field in one radiation field, of each motion system; setting a control cycle used for controlling the motion speed of each motion system in a segmented manner in the forming process of each sub-field, and acquiring the current actual motion position of each motion system at the initial time point of the control cycle; regulating the motion speed of each motion system in the current control cycle according to the difference between the current actual motion position of each motion system and the expected position, in the sub-field, of each motion system to compensate the motion deviation of each motion system; controlling each motion system to movein the current control cycle according to the regulated motion speed.
Description
[0001] This application claims the priority of a Chinese patent application filed with the China Patent Office on June 12, 2018, with application number 201810603243.2, and the title of the invention is "A Motion Control Method and Device", the entire contents of which are incorporated by reference in this application middle. technical field [0002] The present application relates to the technical field of medical equipment, in particular to a motion control method and device. Background technique [0003] Radiation therapy is one of the conventional methods for treating tumors. The core purpose of its work is to use the rays emitted by the accelerator to kill the tumor tissue to a great extent and protect the surrounding normal tissues as much as possible. Its exposure range must be limited. Since the needs of patients, the location of lesions, and their three-dimensional shapes are all different, for the sake of precise treatment and improvement of treatment efficiency, ...
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IPC IPC(8): A61N5/10
CPCA61N5/103A61N5/1048
Inventor 徐兴虎柴猛侯鸿雁郑旭鄢博李成宇
Owner NEUSOFT MEDICAL SYST CO LTD