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Monitoring an intervention with an intervention unit by means of a magnetic resonance system
Monitoring an intervention with an intervention unit by means of a magnetic resonance system
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机译：通过磁共振系统监控介入单元的介入
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摘要
A method for monitoring an intervention with an intervention unit (1) in a vessel (2) of an examination object (13), the intervention unit (1) being moved along a thrust direction (4) in the vessel (2) during the intervention, the method comprises: determining a position of a front end (5) in the pushing direction (4) of the intervention unit (1) within the vessel (2), determining a first volume segment (7; 7 ') depending on the position and a flow direction (6) of a liquid inside the vessel (2), irradiating at least one RF saturation pulse into the first volume segment (7; 7 ') in order to saturate the liquid within the first volume segment (7; 7') which flows in the flow direction (6) in the vessel (2) flows to the position, acquisition of MR data in a second volume segment (8; 8 '), which comprises the front end (5) of the intervention unit (1) and an area in the pushing direction (4) in front of the intervention unit (1 ) includes, andCreate en of an MR image as a function of the acquired MR data.
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