MEDICAL IMAGING EXAMINATION APPARATUS AND OPERATING METHOD

摘要

In a method for operating a medical imaging examination apparatus having multiple sub-systems, a control computer controls the sub-systems to execute a scan sequence in which magnetization in at least two subvolumes of an object being scanned is simultaneously manipulated by a sub-sequence and/or used for the scan data acquisition process. A control protocol assigned to the scan sequence is provided to the control device, and sequence control data for the control protocol are determined that define different functional sub-sequences of the scan sequence. Different effective volumes are assigned to each functional sub-sequence, taking into account the aforementioned sub-modules. Effective volume position data are provided to the control device that define the position and extent of the effective volumes assigned to the different functional sub-sequences. Current ambient conditions of the apparatus are determined that are important for the determined relevant sequence control data and assigned effective volumes. Control signals for the different sub-systems are generated from the sequence control data and the effective volume position data and the determined physical ambient conditions, for executing the scan sequence such that the individual functional sub-sequences are locally optimized at least with respect to a sub-region of their assigned effective volume.

主权项

1. A method for operating a medical imaging examination device having a plurality of sub-systems and a control computer which controls the sub-systems in a coordinated manner in order to carry out a scan sequence with which the magnetization in at least two subvolumes of an object being scanned is simultaneously manipulated by a sub-sequence and/or used for the scan data acquisition process, comprising the following steps:
transmitting a control protocol assigned to a scan sequence to be carried out to the control computer; in the control computer, determining sequence control data relevant to the control protocol, said sequence control data defining different functional sub-sequences of a scan sequence associated with the control protocol; in the control computer, assigning different effective volumes to each functional sub-sequence, taking into account the sub-modules manipulated in their magnetization by an associated sub-sequence and/or used for the scan data acquisition process; transmitting effective volume position data to the control computer, said volume position data defining the position and extent of the effective volumes assigned to the different functional sub-sequences; in the control computer, determining current ambient conditions of the medical imaging examination device that are critical for the determined relevant sequence control data and assigned effective volumes; and in the control computer, generating control signals for the different sub-systems based on the relevant sequence control data and the effective volume position data and the determined physical ambient conditions for carrying out the scan sequence such that the individual functional sub-sequences are locally optimized at least in respect of a sub-region of their assigned effective volume, and making the generated control signals available from the control computer in electronic form.