Invention Grant
- Patent Title: Zero echo time MR imaging with water-fat separation
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Application No.: US16972019Application Date: 2019-05-30
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Publication No.: US11360172B2Publication Date: 2022-06-14
- Inventor: Holger Eggers , Johan Samuel Van Den Brink
- Applicant: KONINKLIJKE PHILIPS N.V.
- Applicant Address: NL Eindhoven
- Assignee: KONINKLIJKE PHILIPS N.V.
- Current Assignee: KONINKLIJKE PHILIPS N.V.
- Current Assignee Address: NL Eindhoven
- Priority: EP18175926 20180605
- International Application: PCT/EP2019/064125 WO 20190530
- International Announcement: WO2019/233881 WO 20191212
- Main IPC: G01R33/48
- IPC: G01R33/48 ; G01R33/485 ; G01R33/50 ; G01R33/56

Abstract:
A method of magnetic resonance (MR) imaging to enable ‘silent’ zero echo time (ZTE) imaging in combination with water/fat separation. The method includes subjecting the object to a first self-refocusing zero echo time imaging sequence, wherein a first sequence of gradient echo signals is acquired as a first number N1 of radial k-space spokes at a first repetition time TR1; subjecting the object to a second self-refocusing zero echo time imaging sequence, wherein a second sequence of gradient echo signals is acquired as a second number N2 of radial k-space spokes at a second repetition time TR2, wherein N2≠N1 and/or TR2≠TR1; and reconstructing a MR image from the acquired gradient echo signals. Signal contributions of chemical species (e.g., water and fat) may be separated exploiting the different echo times attributed to the gradient echo signals.
Public/Granted literature
- US20210231761A1 ZERO ECHO TIME MR IMAGING WITH WATER-FAT SEPARATION Public/Granted day:2021-07-29
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