Radiation therapy system

By designing annular cryostat and multi-leaf collimator in the radiation therapy system and adopting a magnetic shielding structure, the problem that the radiation therapy system in the prior art is difficult to achieve compact structure and high treatment quality, and efficient radiation therapy and high-resolution magnetic resonance imaging are achieved.

CN114796894BActive Publication Date: 2025-03-25SHANGHAI UNITED IMAGING HEALTHCARE
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Patent Information

Application Number
CN202210338154.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2018-11-14
Publication Date
2025-03-25
Estimated Expiration
2038-11-14

AI Technical Summary

Technical Problem

In the combination of magnetic resonance imaging technology, existing radiation therapy systems are difficult to achieve compact structure and high treatment quality, especially while maintaining the stability of the radiation therapy device and the high resolution of the magnetic resonance imaging device.

Method used

A radiation therapy system including an annular cryostat and a multi-leaf collimator is designed, which integrates a magnetic resonance imaging device and a radiotherapy device to accommodate a multi-leaf collimator through an annular cryostat and uses a magnetic shielding structure to reduce interference to the radiotherapy device by the magnetic resonance imaging device.

Benefits of technology

A compact structural design is achieved, while ensuring the efficiency of radiation therapy and the high resolution of magnetic resonance imaging, improving the quality of treatment.

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Abstract

The system includes a magnetic resonance imaging (MRI) device (310) configured to acquire MRI data about a region of interest (ROI), and a radiation therapy device (300) configured to radiation therapy at least a portion of the region of interest.
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