中文摘要：

目的:建立一套测量方法检测本课题组完成的0.5T C型永磁型磁共振成像系统的研究进展检测并对成果验收,并将检测结果与相关国家医药行业标准中对质量参数所提示的要求进行比较,并做出评价。材料与方法:采用体模,综合考虑AAPM及NEMA国际组织的测量标准,以及国家医药行业标准,提出一套方法用于测量本组内0.5T磁共振产品的测量参数集作为我们的企业标准,包括图像均匀性、图像信噪比、几何畸变、层厚及误差、空间分辨率等。结论:经过分析和比较,我们建立的测试参数系统能够表征0.5T永磁型磁共振系统的性能,我们研发的系统达到的技术指标,例如空间分辨率等指标在国内未见报道。

英文摘要：

Objective:To set up a set of index for our own developed 0.5T C type permanent magnet MRI system as the progress evaluation and reception check,which has been compared with national standard and gave the own self evaluation.Materials and Methods:Synthesizing the national standard and referencing the international standards of AAPM and NEMA,we proposed a set of index to be the manufacturer s standard for our 0.5T C type permanent MRI system,which included the uniformity,signal to noise of the image,geometry ...