The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 14, 2020
Filed:
Nov. 11, 2013
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventors:
Assignee:
HITACHI, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 33/36 (2006.01); G01R 33/28 (2006.01); G01R 33/34 (2006.01); G01R 33/56 (2006.01);
U.S. Cl.
CPC ...
G01R 33/288 (2013.01); G01R 33/34092 (2013.01); G01R 33/5608 (2013.01);
Abstract
A Q value of the RF irradiation coil is easily obtained in a state in which an object is disposed in an MRI apparatus, and an SAR is predicted with high accuracy. For this, an irradiation coilirradiates an objectwith a high frequency magnetic field pulse in a state in which the objectis disposed in an imaging space, and a transmitted voltage and a reflected voltage of the irradiation coilare detected. A Q value of the irradiation coil in a state of the objectbeing disposed is obtained on the basis of the transmitted voltage and the reflected voltage. A specific absorption rate (SAR) in a case of executing an imaging pulse sequence on the object is predicted by using the Q value.