Design And Implementation Of A Virtual Platform For Superconducting MRI System Structure And Clinical Scanning

The rapid development of superconducting MRI imaging equipment has improved the efficiency of hospitals in diagnosing diseases.MRI scans are free of ionizing radiation,have clear soft-tissue contrast,and are widely used for examinations of the nervous system,heart,abdomen,and extremities.With the rapid progress of virtual simulation technology and the continuous innovation of medical imaging equipment,virtual simulation technology has been applied to the development of medical imaging equipment and has become an important method to promote the national strategy of "Health China Action".During the use of MRI imaging systems for theoretical learning and scientific research,there is a dilemma that superconducting MRI equipment is expensive and cannot be used by anyone.For safety and cost reasons,some algorithm validation studies cannot be repeatedly tested in clinical settings using human subjects.Therefore,there is a need to design and develop a fully functional virtual platform for MRI imaging systems as an auxiliary application tool in the field of MRI imaging.We have carried out the design and implementation of a virtual platform for superconducting MRI system architecture and clinical scanning.The key components of the superconducting MRI imaging system were designed,and the whole process of clinical scanning was simulated,as well as the influence of scanning data on the imaging quality.The main research contents are:(1)The concept of MRI imaging and the construction of the MRI device were researched.To better understand the device structure of the MRI imaging system,the imaging principle was explored from the standpoint of MRI and spatial localization,as well as the k-space and image reconstruction approaches.The groundwork for the superconducting MRI virtual platform’s design and execution has been set.(2)The superconducting MRI virtual platform’s general design was completed.With the support of the MVC model,the virtual platform development tool based on3 D Max software and Unity 3D engine was utilized to carry out the entire design of the virtual platform.The general design of the virtual platform’s major components,such as the MRI imaging system structure,clinical scanning and imaging,and the whole examination procedure,was also completed.(3)Implementation of the virtual scene and key components modeling for the superconducting MRI virtual simulation platform.Firstly,the spatial layout of the superconducting MRI system is built,including the scanning room,operation room,and equipment room.Then the key components such as the superconducting magnet,gradient system,and RF system are modeled.(4)The clinical scanning and other functions of the superconducting MRI system were realized in a virtual clinical environment.The physical components of the key components of the superconducting MRI system were set up to conform to the real clinical environment.The scripting language written in C # was used to realize the disassembly and assembly of the superconducting MRI system structure,the virtual scene roaming,the clinical scanning process,and the real-time display of images.We have tested the functionality of the MRI virtual simulation platform and packaged and released the simulation platform in the Windows environment,which can be used on both the Web GL side and the Windows side.The platform enables a high degree of simulation of the MRI device structure,allowing users to immerse themselves in the disassembly and assembly of key components such as magnets,gradient coils,and RF coils.It also allows users to experience the routine steps of clinical scanning,facilitating the learning and research of MRI systems with the help of the platform.The platform provides a new set of medical imaging virtual equipment for the field of virtual equipment and provides a new learning path for the MRI field.