MRI梯度波形发生器研究进展
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刘颖,林羚,袁斌华,章浩伟
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Research Progress of MRI Gradient Waveform Generator
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LIU Ying,LIN Ling,YUAN Binhua,ZHANG Haowei
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表3 各厂商生产的MRI系统梯度场参数对比
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Table 3 Comparison of gradient field parameters of MRI systems produced by various manufacturers
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厂家(3.0 T) | 西门子 | 飞利浦 | 通用电气 | 联影 | 型号 | Skyra | Prisma | Ingenia | Elition | Architect | Premier | uMR 780 | uMR 790 | 最大梯度场强 /(mT/m) | 45 | 80 | 45 | 45 | 44 | 80 | 42 | 100 | 最大梯度分辨率/(T/m/s) | 200 | 200 | 200 | 220 | 200 | 200 | 220 | 200 | 厂家(0.5 T) | 贝斯达 | 鑫高益 | SternMed | Paramed | 型号 | BTI-050 | OPER-0.5 | Marcom | OpenMR | 最大梯度场强 /(mT/m) | 25 | 24 | 25 | 20 | 最大梯度分辨率/(T/m/s) | 75 | 70 | / | 33.3 |
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