Radiotherapy device with magnetic resonance imaging (MRI) guidance

Abstract

The invention belongs to the technical field of medical instruments, in particular to a radiotherapy device with magnetic resonance imaging (MRI) guidance. For the problems that an existing radiotherapy device cannot accurately image and the movement of an imaging device is unreasonable, the invention proposes the following scheme, including a magnetic resonance circular ring body having a groovein the outer wall on one side thereof, a control panel is clamped on the inner wall of the groove, a curved plate is welded at an intermediate position of the outer wall on one side of the magnetic resonance circular ring body, a warning name plate is connected onto the outer wall on one side of the curved plate by a bolt, and a square groove is formed in the outer wall on one side of the magneticresonance circular ring body. According to the invention, the radiotherapy device enables a patient to obtain an all-round detection inside the magnetic resonance circular ring body, avoids the medical staff being subjected to different degrees of radiation, plays a good role in protecting the medical staff, allows the detected data to be timely observed by the medical staff and the patient, andmeanwhile, enables the storage and transmission of data.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a radiotherapy device guided by magnetic resonance imaging. Background technique [0002] It is well known that radiotherapy is one of the most important and basic means of tumor treatment. At present, the main equipment for tumor radiotherapy is linear accelerator, cobalt 60 treatment machine and gamma knife. But because the tumor tissue is surrounded by normal tissue, killing the tumor will damage the normal tissue at the same time. In addition, how to eliminate the influence of organs by physiological movements in radiotherapy, such as respiratory movement, bladder filling, gastrointestinal peristalsis, tumor growth and reduction, as well as elastic deformation of organs and positioning errors in fractionated treatment, etc., make it impossible Accurate positioning. During the treatment process, the real-time positioning of the focus of the radiation and the tumor ta...

AI Technical Summary

Problems solved by technology

In addition, how to eliminate the influence of organs by physiological movements in radiotherapy, such as respiratory movement, bladder filling, gastrointestinal peristalsis, tumor growth and reduction, as well as elastic deformation of organs and positioning errors in fractionated treatment, etc., make it impossible Accurate positioning

During the treatment process, real-time positioning of the focus of the radiation and the tumor target area cannot be achieved by real-time tracking, which directly affects the effect of tumor treatment

The existing cobalt 60 treatment machine and gamma knife cannot be installed with X-ray image monitor due to the limitation of structure and treatment space

X-ray image monitors have been installed on foreign accelerators, but because the accelerator cannot perform multi-angle fast scanning treatment during the treatment process, the two-dimensional images of the X-ray image monitor cannot be extracted, and the target area of ​​the lesion cannot be displayed in real time. At the same time, because the monitoring clarity of the monitor has a great influence on the radiation results, and MRI is a kind of biomagnetic nuclear imaging that has developed rapidly with the development of computer technology, electronic circuit technology, and superconductor technology. Spin imaging technology, which uses a magnetic field and radio frequency pulses to make the precessing hydrogen nuclei in human tissue nutate to generate radio frequency signals, which are imaged by computer processing

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