- Patent Title: Magnetic resonance system and method to continuously correct phase errors in multidimensional, spatially selective radiofrequency excitation pulses in a magnetic resonance measurement sequence
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Application No.: US13898701Application Date: 2013-05-21
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Publication No.: US09891304B2Publication Date: 2018-02-13
- Inventor: Josef Pfeuffer , Thorsten Speckner
- Applicant: Siemens Aktiengesellschaft
- Applicant Address: DE Munich
- Assignee: Siemens Aktiengesellschaft
- Current Assignee: Siemens Aktiengesellschaft
- Current Assignee Address: DE Munich
- Agency: Schiff Hardin LLP
- Priority: DE102012208425 20120521
- Main IPC: G01R33/58
- IPC: G01R33/58 ; G01R33/483 ; G01R33/565

Abstract:
In a method and magnetic resonance apparatus to continuously correct phase errors in a magnetic resonance measurement sequence in which multiple sequentially radiated, multidimensional, spatially-selective radio-frequency excitation pulses are used, multiple calibration gradient echoes are acquired in a calibration acquisition sequence and a correction value for a phase response and a correction value for a phase difference are calculated from the multiple calibration gradient echoes. Furthermore, an additional radio-frequency excitation pulse is radiated takes into account the correction values.
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