JP2007175486A5 - - Google Patents

Claims (10)

A unit for setting a plurality of regions of interest on a plurality of parent images obtained by imaging a plurality of times while changing the imaging position;
A unit for obtaining approximate straight lines related to the plurality of regions of interest on a joint image obtained by connecting the plurality of parent images;
A magnetic resonance imaging apparatus comprising: a determination unit that determines a condition for capturing a cross section that intersects the parent image based on the approximate line.   3. The magnetic resonance imaging apparatus according to claim 1, wherein the determination unit determines a plane along the approximate straight line and intersecting the parent image as a cross-sectional direction. The determination unit is
A unit for setting a coverage around the approximate straight line and including all of the region of interest;
4. The magnetism according to claim 1, further comprising: a unit that determines the number of slices based on the size of the coverage, and a preset slice thickness and slice gap. 5. Resonance imaging device.   2. The magnetism according to claim 1, wherein the determination unit determines a center position of a scan range for one imaging based on an intersection where a straight line passing through a center of the parent image is orthogonal to the virtual straight line. Resonance imaging device.   The magnetic resonance imaging apparatus according to claim 4, wherein the determination unit sets the intersection as a center position of the scan range.   The determination unit obtains two adjacent intermediate points of the intersection points related to each of the plurality of parent images, and corresponds to half of the width of the scan range predetermined along the virtual straight line from the intermediate point The magnetic resonance imaging apparatus according to claim 4, wherein a position separated by a distance is a center position of the scan range.   The magnetic resonance imaging apparatus according to claim 1, further comprising a unit that presents a condition determined by the determination unit to an operator.   The magnetic resonance imaging apparatus according to claim 7, further comprising a unit that changes a condition determined by the determination unit according to a request from the operator. An imaging unit that generates a magnetic resonance signal by applying a gradient magnetic field and a high-frequency pulse to a subject in a static magnetic field;
A bed for sliding the top plate on which the subject is placed in the longitudinal direction of the top plate;
A high-frequency coil for detecting the magnetic resonance signal;
A display unit for displaying a positioning image;
A setting unit for setting a plurality of positions of interest according to a setting designation by the user on the positioning image;
An arithmetic unit that calculates the coverage including the plurality of positions of interest according to the plurality of positions of interest set by the setting unit;
Change means for changing the coverage in accordance with a change designation by the user;
When the coverage at the time when the user designates confirmation is larger than the imageable region defined by the static magnetic field, the cross section intersecting the positioning image in the coverage is imaged a plurality of times while changing the imaging position. And a control unit for controlling the imaging unit, the bed and the high-frequency coil.   The magnetic resonance imaging apparatus according to claim 9, wherein the control unit images a plurality of cross sections at each of the plurality of imaging operations.