Invention Grant
US09547053B2 Method for monitoring patient exposure in a magnetic resonance device 有权
用于监测磁共振装置中的患者暴露的方法

Method for monitoring patient exposure in a magnetic resonance device
Abstract:
A method for monitoring an exposure experienced by a patient during an examination with a magnetic resonance device having a transmitter device is provided. The method includes determining a coil power loss from measured amplitudes and phases of a first measuring device, and determining an overall transmitted power from voltage measurement values of the second measuring device. The method also includes determining a specific absorption rate (SAR) value describing a power entering a patient from the coil power loss and the overall transmitted power and comparing the SAR value with at least one limit value. A transmission operation of the transmitter device is terminated if the at least one limit value is exceeded.
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