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:
Mar. 08, 2022
Filed:
Oct. 05, 2018
Koninklijke Philips N.v., Eindhoven, NL;
Mariya Ivanova Doneva, Hamburg, DE;
Jan Hendrik Wulbern, Hamburg, DE;
Gabriele Marianne Beck, Venlo, NL;
Koninklijke Philips N.V., Eindhoven, NL;
Abstract
The invention relates to a method of MR imaging of an object () placed in an examination volume of a MR device (). It is an object of the invention to enable MR imaging using a radial (or spiral) acquisition scheme with a reduced level of motion artefacts. The method of the invention comprises the following sequence of steps: —detecting a momentary motion—induced displacement (Δ) of the object (); —attributing the detected displacement (A) to a motion state (M-M), each motion state (M-M) corresponding to one of a plurality of contiguous ranges of displacements (Δ); —determining angular coordinates of a radial or spiral k-space profile by incrementing the angular coordinates individually for each motion state (M-M) starting from initial angular coordinates; —acquiring the k-space profile; —repeating steps a-d a number of times; and —reconstructing an MR image from at least the k-space profiles attributed to one of the motion states (M-M). Moreover, the invention relates to a MR device () for carrying out this method as well as to a computer program to be run on a MR device ().