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.

Date of Patent:
May. 24, 2022

Filed:

Oct. 01, 2018
Applicants:

Siemens Healthcare Gmbh, Erlangen, DE;

University of Utah Research Foundation, Salt Lake City, UT (US);

Inventors:

Sunil Goraksha Patil, Ellicott City, MD (US);

Henrik Odeen, Salt Lake City, UT (US);

Bhat Himanshu, Newton, MA (US);

John Roberts, Salt Lake City, UT (US);

Dennis L. Parker, Centerville, UT (US);

Assignees:

Siemens Healthcare GmbH, Erlangen, DE;

University of Utah Research Foundation, Salt Lake City, UT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/01 (2006.01); G01R 33/48 (2006.01); A61B 5/00 (2006.01); A61B 5/055 (2006.01);
U.S. Cl.
CPC ...
A61B 5/0036 (2018.08); A61B 5/01 (2013.01); A61B 5/055 (2013.01); G01R 33/4804 (2013.01); A61B 2576/00 (2013.01);
Abstract

A method, system and article of manufacture is disclosed. The method includes providing a spatial navigator outside of a thermal therapy region; receiving a plurality of analog-to-digital conversion (ADC) readouts from an MRI device at a plurality of time points, wherein the ADC readouts comprise a first ADC readout acquired at a first time point, and one or more additional ADC readouts acquired at subsequent time points; processing the ADC readouts to obtain a frequency of the spatial navigator at each of the time points; obtaining a main magnetic field (B) drift of the MRI device based on the frequency of the spatial navigator at a particular time point and the frequency of the spatial navigator at the first time point; and obtaining the temperature change at the particular time point based on the Bdrift.


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