Invention Grant
- Patent Title: Method and magnetic resonance apparatus for quiet echo-planar imaging
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Application No.: US15916464Application Date: 2018-03-09
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Publication No.: US10663544B2Publication Date: 2020-05-26
- Inventor: Robin Heidemann , Patrick Liebig
- Applicant: Siemens Healthcare GmbH
- Applicant Address: DE Erlangen
- Assignee: Siemens Healthcare GmbH
- Current Assignee: Siemens Healthcare GmbH
- Current Assignee Address: DE Erlangen
- Agency: Schiff Hardin LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@be162f7
- Main IPC: G01R33/561
- IPC: G01R33/561 ; G01R33/48 ; G01R33/385 ; G01R33/50

Abstract:
In a method and magnetic resonance (MR) apparatus for echo-planar acquisition of MR images using multiple reception coils, an RF excitation pulse is radiated to generate transverse magnetization, and a temporal sequence of a readout gradient is activated with alternating positive and negative values, thereby producing MR signal echoes. Multiple phase-encoding gradients are activated in a temporal sequence with a value of the phase-encoding gradients being maximum when a value of the readout gradients is minimum, and vice versa. A time period during which a single phase-encoding gradient is applied is at least a quarter of a time interval between two MR signal echoes. The MR signal echoes are read with the multiple reception coils in a trajectory in k-space, continuously without interruption during the readout gradient. The trajectory does not completely fill k-space with raw data in an edge region according to the Nyquist condition.
Public/Granted literature
- US20180259605A1 METHOD AND MAGNETIC RESONANCE APPARATUS FOR QUIET ECHO-PLANAR IMAGING Public/Granted day:2018-09-13
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