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醫(yī)學(xué)成像技術(shù)課件--09mri2(已修改)

2025-01-07 03:51 本頁面
 

【正文】 Medical Imaging Technology 磁共振成像(二) ?MRI發(fā)展歷史 ?MRI的系統(tǒng)組成及優(yōu)點(diǎn) ?成像脈沖序列 ?各種 MRI技術(shù) ?MRI圖像質(zhì)量控制 Medical Imaging Technology MRI發(fā)展歷史 1945年 2 個(gè)獨(dú)立小組在幾天內(nèi)同時(shí)發(fā)現(xiàn)核磁共振現(xiàn)象: 1) Bloch, Stanford 大學(xué) ( 1946) Physics Review 69, 127 2) Purcell, MIT, ( 1946) Physics Review 69, 37 Medical Imaging Technology Felix Bloch 19051983 Edward Mills Purcell 19121997 1952 Nobel Prize in Physics Stanford University MIT Medical Imaging Technology MRI發(fā)展歷史 1973年 2個(gè)獨(dú)立小組利用磁場(chǎng)梯度解決空間信息獲取的問題:圖像形成 Lauterbur, State University of New York (1973) Nature 242,736 Mansfield, Nottingham University (1973) J. 6,L422 Medical Imaging Technology Lauterbur 1929 Mansfield 1933 2023 Nobel Prize in Physiology or Medicine Medical Imaging Technology 2023 Nobel Prize in Physiology or Medicine Paul C. Lauterbur – Prize Award Photo Sir Peter Mansfield – Prize Award Photo 10/6,2023 Medical Imaging Technology MRI發(fā)展歷史 ? Damadian ? 1969,提出 MR scanner 的設(shè)想; ? 1971,“ tumor detecting by MR” ,T1,T2 ? 1977,第一臺(tái) MRI, ? 1978, Fonar 公司 ? 1980,上市 Raymond Damadian Medical Imaging Technology MRI發(fā)展歷史 Medical Imaging Technology MRI發(fā)展歷史 第一臺(tái) MRI裝置 1977 Medical Imaging Technology MRI發(fā)展歷史 世界上第一張 MRI 圖象 Medical Imaging Technology MRI發(fā)展歷史 1946 MR phenomenon Bloch Purcell 1952 Nobel Prize Bloch Purcell 1950 NMR developed as analytical tool 1960 1970 1972 Computerized Tomography 1973 Backprojection MRI Lauterbur 1975 Fourier Imaging Ernst 1977 Echoplanar imaging Mansfield 1980 FT MRI demonstrated Edelstein 1986 Gradient Echo Imaging NMR Microscope 1987 MR Angiography Dumoulin 1991 Nobel Prize Ernst 1992 Functional MRI 1994 Hyperpolarized 129Xe Imaging 2023 Nobel Prize Lauterbur Mansfield MRI timeline Medical Imaging Technology MRI發(fā)展歷史 國內(nèi) ? 安科公司; ? 威達(dá) 上海交大; ? 西門子麥迪特 ? 東大阿爾派成像中心 國際: Clinical MRI OEMs Fonar General Electric Medical Systems Hitachi Medical Systems Philips Medical Systems Siemens Medical Solutions Toshiba Medical Systems Experimental High Field MRI OEMs Bruker Biospin MRI Varian 全球估計(jì)共有 22023臺(tái)全身核磁共振掃描儀投入使用(我國目前約有 3000多臺(tái)),每年掃描
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