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Passive respiration gate control system and regulating and controlling method thereof

A respiratory gating and breathing control technology, which is applied in X-ray/γ-ray/particle irradiation therapy, etc., can solve the problems of low efficiency and long time of respiratory monitoring treatment, and achieve the effect of reducing treatment time and improving efficiency

Active Publication Date: 2012-10-03
天津市金佰瑞科技发展有限公司
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Problems solved by technology

[0005] The present invention overcomes the limitations of the prior art for respiratory monitoring and the defects of low treatment efficiency and long treatment time, and proposes a passive respiratory gating system and its regulation method

Method used

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  • Passive respiration gate control system and regulating and controlling method thereof
  • Passive respiration gate control system and regulating and controlling method thereof
  • Passive respiration gate control system and regulating and controlling method thereof

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Embodiment Construction

[0034] The specific implementation of the present invention will be described in further detail below in conjunction with the accompanying drawings and examples, but the protection scope of the present invention should not be limited thereto.

[0035] Such as figure 1 As shown, the passive respiratory gating system of the present invention includes a monitoring device 1 , a respiratory control device 2 and a control device 3 . The breathing control device 2 is connected to a control device 3 . The control device 3 determines the opening and closing of the breathing control device 2 according to the information of the monitoring device 1 . The breath control device 2 includes a passive breath control device 21 .

[0036] The monitoring device 1 adopts a real-time position management system (Real-time position management, RPM), and RPM can be purchased through commercial markets. The monitoring device 1 can monitor the respiratory motion waveform of the subject to be measured...

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Abstract

The invention discloses a passive respiration gate control system, which comprises a monitoring device, respiration control equipment and control equipment, wherein the control equipment is connected with the respiration control equipment; and the control equipment is triggered manually according to information fed back by the monitoring device to realize the function of passive respiration control equipment. According to the passive respiration gate control system, the variation of the respiration state of a patient during radiation therapy is monitored in real time, and the respiration activity is intervened, so that a margin ranging from a subclinical focus to a planned target area is reduced, variation of a target area position in a small range is ensured, the radiation therapy efficiency is increased simultaneously, and treatment time is reduced effectively. The invention further discloses a regulating and controlling method for the passive respiration gate control system.

Description

technical field [0001] The invention belongs to the field of radiotherapy, and in particular relates to a passive respiratory gating system and a control method thereof. Background technique [0002] In radiology research, how to increase the irradiation dose of the target area and reduce the toxicity of normal tissues is the focus of attention. The rapid development of three-dimensional conformal technology, beam intensity modulation technology and volume arc intensity modulation technology in recent years makes it possible to achieve a highly conformal dose distribution and better protect normal tissues. In radiotherapy research, respiratory motion has a great influence on the outward boundary of the target volume. However, even with these advanced technologies, in order to overcome the impact of respiratory movement on the coverage of the target area during radiation, the outer border of the planned target area is relatively large (for patients with large breathing range...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N5/10
Inventor 章真胡伟刚许安杰
Owner 天津市金佰瑞科技发展有限公司
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