A breathing tracking device and radiotherapy system

Abstract

A respiration tracking apparatus (100) and a radiation therapy system, related to the field of radiation therapy. The respiration tracking apparatus (100) comprises: a respiration control module (110) that is connected to an analysis and comparison module (120) and is used for controlling an outputted respiratory flow and respiratory frequency, and for transmitting time trajectory coordinate values of a positional movement of a tumor and respiratory waveform and frequency of a patient to the analysis and comparison module (120); the analysis and comparison module (120) that is connected to a therapy control module (130), compares the respiratory waveform and frequency of the patient with respiratory waveform and frequency collected during planning and design, and, when the difference is less than or equal to a predetermined value, instructs the therapy control module (130) to control, on the basis of the time trajectory coordinate values of the positional movement of the tumor, a therapy apparatus (200) to conduct a therapy; and, the therapy control module (130) that controls, on the basis of the instruction of the analysis and comparison module (120), the therapy apparatus (200) to conduct the therapy. The respiration tracking apparatus (100) and the radiation therapy system are capable of tracking precisely and treating a tumor that moves in position due to respiration.

Description

technical field [0001] The invention belongs to the field of precise radiotherapy in the medical field, and in particular relates to a breathing tracking device and a radiotherapy system. Background technique [0002] Precise radiation therapy is a three-dimensional treatment technology that integrates precise positioning, positioning, and irradiation based on high-definition image detection devices. Precise radiotherapy can reduce the probability of complications in normal tissues around the target area, increase the radiation dose to the tumor area, and increase the rate of tumor control. However, human tumors, especially thoracic and abdominal tumors, will move with the breathing movement of the human body, while the irradiation field is relatively static, which results in a significant difference in the irradiation dose of the target area and its surrounding important normal tissues from the plan. The precision of the treatment is affected. Therefore, in the precise ra...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a breathing tracking device and radiation therapy system, aiming to solve the problem that the prior art cannot accurately track and treat tumors that move due to breathing

Images