发明授权
US09013183B2 MRI apparatus with energy control values and an SAR value calculated from a modified energy control value according to plural imaging conditions set before the MRI acquisition
有权
具有能量控制值的MRI装置和根据在MRI获取之前设定的多个成像条件由修改的能量控制值计算的SAR值
- 专利标题： MRI apparatus with energy control values and an SAR value calculated from a modified energy control value according to plural imaging conditions set before the MRI acquisition
- 专利标题（中）： 具有能量控制值的MRI装置和根据在MRI获取之前设定的多个成像条件由修改的能量控制值计算的SAR值
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申请号： US12938713申请日： 2010-11-03
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公开(公告)号： US09013183B2公开(公告)日： 2015-04-21
- 发明人: Masaaki Yamanaka
- 申请人： Masaaki Yamanaka
- 申请人地址： JP Tokyo JP Otawara-Shi, Tochigi-Ken
- 专利权人： Kabushiki Kaisha Toshiba,Toshiba Medical Systems Corporation
- 当前专利权人： Kabushiki Kaisha Toshiba,Toshiba Medical Systems Corporation
- 当前专利权人地址： JP Tokyo JP Otawara-Shi, Tochigi-Ken
- 代理机构： Nixon & Vanderhye P.C.
- 优先权： JP2009-258635 20091112; JP2010-199175 20100906
- 主分类号： G01R33/28
- IPC分类号： G01R33/28 ; G01R33/34 ; G01R33/563
摘要：
An MRI apparatus includes an image generating unit and an SAR calculating unit. The image generating unit receives a magnetic resonance signal generated as a result of transmission of an RF pulse from an object, and generates image data of the object based on the magnetic resonance signal. The SAR calculating unit performs a correction operation on an energy control value of the RF pulse according to an imaging condition, and calculates an SAR value based on an energy value subjected to the correction operation.
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