Dynamic scan plane tracking using MR position monitoring
First Claim
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1. A method for performing a procedure with an MRI system in which a series of images are acquired from a region of interest in a subject, the steps comprising:
- a) placing an array of tracking coils on the subject;
b) acquiring an NMR image using an NMR imaging pulse sequence prescribed by a set of scan parameters which image the region of interest;
c) measuring the location of the tracking coils using an NMR position measurement pulse sequence;
d) updating the scan parameters to track the movement of the subject using the measured tracking coil locations; and
e) repeating steps b), c) and d) until the procedure is completed.
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Abstract
An MRI system measures the movements of a subject during the acquisition of a series of NMR images and automatically updates the scan parameters such that the image plane or volume tracks the movement of the anatomy of interest. An array of tracking coils fasten to the subject and an NMR measurement pulse sequence is interleaved with the image acquisitions to measure the location of the tracking cols.
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Citations
7 Claims
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1. A method for performing a procedure with an MRI system in which a series of images are acquired from a region of interest in a subject, the steps comprising:
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a) placing an array of tracking coils on the subject; b) acquiring an NMR image using an NMR imaging pulse sequence prescribed by a set of scan parameters which image the region of interest; c) measuring the location of the tracking coils using an NMR position measurement pulse sequence; d) updating the scan parameters to track the movement of the subject using the measured tracking coil locations; and e) repeating steps b), c) and d) until the procedure is completed. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification