Magnetic resonance imaging apparatus, and breath-holding imaging method
AssigneeHitachi Medical Corporation
InventorYasuhiro Kamada
Life of this patent
Estimating the term…
Abstract
In order to make it possible to set the optimal breath-holding imaging conditions according to the subject without extension of an imaging time or the sacrifice of image quality, one scan is divided into one or more breath-holding measurements and free-breathing measurements on the basis of the imaging conditions of a breath-holding measurement, which are input and set according to the subject, and a region of the k space measured in the breath-holding measurement is controlled. Preferably, in the breath-holding measurement, low-frequency data of the k space is measured. Moreover, preferably, imaging conditions of the breath-holding measurement include the number of times of breath holding or a breath-holding time, and the operator can set any of these values.
Claims17
A magnetic resonance imaging apparatus comprising:
- a measurement controller which acquires k space data by repeating a breath-holding measurement to measure some data of the k space during a breath-holding period of a subject;
- and
- a breath-holding imaging condition input unit that receives an input of imaging conditions of the breath-holding measurement,
- wherein the measurement controller divides one scan into one or more breath-holding measurements and free-breathing measurements according to the imaging conditions including a breath-holding time of the breath-holding measurement and controls a region of the k space measured in the breath-holding measurement.
A breath-holding imaging method in a magnetic resonance imaging apparatus, the breath-holding imaging method comprising:
- a step of acquiring k space data by repeating a breath-holding measurement to measure some data of the k space during the breath-holding period of a subject which alternately repeats breath holding and free breathing;
- a step of receiving an input of imaging conditions of the breath-holding measurement;
- a step of dividing one scan into one or more breath-holding measurements and free-breathing measurements according to the imaging conditions including a breath-holding time of the breath-holding measurement;
- and
- a step of performing the breath-holding measurement by controlling a measured k space region.
A magnetic resonance imaging apparatus comprising:
- a measurement controller which acquires k space data by repeating breath-holding measurement to measure some data of the k space during a breath-holding period of a subject;
- and
- a breath-holding imaging condition input unit that receives an input of imaging conditions of the breath-holding measurement,
- wherein the measurement controller divides one scan into one or more breath-holding measurements and free-breathing according to a breath-holding time of the breath-holding measurement and controls a region of the k space measured in the breath-holding measurement.
Dependencies are inferred from the claim text.