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:
Aug. 05, 2003
Filed:
Nov. 01, 2000
Dmitriy A. Yablonskiy, Olivette, MO (US);
Other;
Abstract
A method and apparatus for acquiring MR images is disclosed. The technique allows rapid acquisition of T weighted MR images using gradient echo imaging, and also allows the acquisition of T weighted or spin density images, T * or T ′ weighted images all from the same data set. The technique includes determining a nonlinear function of gradient echo time to offset magnetic field inhomogeneities and acquiring multiple sets of MR data from a series of read-out gradient pulses in a pulse sequence. Both 2-D and 3-D pulse sequence embodiments are disclosed. The MR data is then fit to an equation that includes the nonlinear function and the images are reconstructed that include T or spin density weighting, T weighting images, T *, or T ′ weighting. The resulting images are naturally co-registered.