Title:
CORRECTING FOR HYSTERESIS IN MAGNETIC RESONANCE IMAGING
Document Type and Number:
WIPO Patent Application WO/2020/139476
Kind Code:
A3
Abstract:
An apparatus for controlling at least one gradient coil of a magnetic resonance imaging (MRI) system. The apparatus may include at least one computer hardware processor; and at least one computer-readable storage medium storing processor executable instructions that, when executed by the at least one computer hardware processor, cause the at least one computer hardware processor to perform a method. The method may include receiving information specifying at least one target pulse sequence; determining a corrected pulse sequence to control the at least one gradient coil based on the at least one target pulse sequence and a hysteresis model of induced magnetization in the MRI system caused by operation of the at least one gradient coil; and controlling, using the corrected gradient pulse sequence, the at least one gradient coil to generate one or more gradient pulses for imaging a patient.
Inventors:
O'HALLORAN RAFAEL (US)
HUGON CEDRIC (US)
SACOLICK LAURA (US)
DYVORNE HADRIEN (US)
HUGON CEDRIC (US)
SACOLICK LAURA (US)
DYVORNE HADRIEN (US)
Application Number:
PCT/US2019/061663
Publication Date:
August 06, 2020
Filing Date:
November 15, 2019
Export Citation:
Assignee:
HYPERFINE RES INC (US)
International Classes:
G01R33/389; G01R33/44; G01R33/565
Foreign References:
| EP1004892A1 | 2000-05-31 | |||
| EP1197760A2 | 2002-04-17 | |||
| JPH0910186A | 1997-01-14 | |||
| US5652517A | 1997-07-29 | |||
| US20020097049A1 | 2002-07-25 | |||
| US20180238978A1 | 2018-08-23 |
Attorney, Agent or Firm:
RUDOY, Daniel, G. et al. (US)
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