PROBLEM TO BE SOLVED: To provide an MRI device capable of reducing vibration without increasing thickness of an irradiation coil and a gradient magnetic field generator.SOLUTION: There are provided: a static magnetic field generator having a static magnetic field generation source generating a homogeneous magnetic field 7 in a space a gradient magnetic field generator having gradient magnetic field generation sources 3a and 3b superimposing a gradient magnetic field 9 onto the homogeneous magnetic field 7 and an irradiation coil having an irradiation coil electric circuit 4a irradiating the homogeneous magnetic field 7 with a high frequency magnetic field on a bobbin 4b. The bobbin 4b has a division part 4c in a revolving direction, and the division part 4c is structurally joined by a division part fixture 4d.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2017,JPO&INPIT【課題】照射コイルや傾斜磁場発生装置の肉厚を増やすことなく、振動の低減が可能なMRI装置を提供する。【解決手段】空間に均一磁場7を発生させる静磁場発生源を有する静磁場発生装置と、均一磁場7に傾斜磁場9を重畳させる傾斜磁場発生源3a,3bを有する傾斜磁場発生装置と、均一磁場7に高周波磁場を照射する照射コイル電気回路4aを巻枠4b上に有する照射コイルを備え、巻枠4bは周回方向に分割部4cを有し、分割部4cが分割部固定具4dで構造的に連結される。【選択図】図3
