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    • 3. 发明公开
    • MAGNETIC RESONANCE IMAGING SYSTEM WITH INFRARED THERMOMETRY SENSORS
    • 具有红外热敏传感器的磁共振成像系统
    • EP3227699A1
    • 2017-10-11
    • EP15801856.4
    • 2015-11-30
    • Koninklijke Philips N.V.
    • WEISS, Steffen
    • G01R33/28A61B5/01G01R33/3415
    • G01R33/288A61B5/0035A61B5/01A61B5/055A61B2560/0266G01R33/28G01R33/34015G01R33/3415G01R33/3657G01R33/3685
    • The invention provides for a magnetic resonance imaging system (100, 300) for acquiring magnetic resonance data (142) from a subject (118) within an imaging zone (108). The magnetic resonance imaging system comprises a magnetic resonance imaging antenna (113, 113′) comprising multiple loop antenna elements (114, 114′) with multiple infrared thermometry sensors (115, 115′). The magnetic resonance imaging antenna is configured for being positioned adjacent to an external surface (119) of the subject and at least a portion of the multiple infrared thermometry sensors are directed towards the external surface. The magnetic resonance imaging system further comprises a memory (134, 136) containing machine executable instructions (150, 152) and pulse sequence instructions (140). The machine executable instructions causes a processor controlling the system to: acquire (200) the magnetic resonance data by controlling the magnetic resonance imaging system with the pulse sequence instructions; repeatedly (202) measure at least one surface temperature (146) of the subject with the multiple infrared thermometry sensors during acquisition of the magnetic resonance data; and perform (204) a predefined action if the at least one surface temperature is above a predefined temperature.
    • 本发明提供了用于从成像区(108)内的对象(118)采集磁共振数据(142)的磁共振成像系统(100,300)。 磁共振成像系统包括具有多个红外测温传感器(115,115')的多个环形天线元件(114,114')的磁共振成像天线(113,113')。 所述磁共振成像天线被配置用于定位成邻近所述对象的外表面(119),并且所述多个红外线测温传感器的至少一部分指向所述外表面。 该磁共振成像系统还包括含有机器可执行指令(150,152)和脉冲序列指令(140)的存储器(134,136)。 机器可执行指令使控制系统的处理器:通过利用脉冲序列指令控制磁共振成像系统来获取(200)磁共振数据; 在采集磁共振数据期间重复(202)利用多个红外测温传感器测量对象的至少一个表面温度(146) 并且如果所述至少一个表面温度高于预定温度,则执行(204)预定义动作。