MAGNETIC RESONANCE APPARATUS AND OPERATING METHOD

摘要

In a magnetic resonance apparatus and an operating method therefor in which magnetic resonance data are acquired from a patient, a measurement process is used in which a number of magnetic resonance sequences are carried out sequentially, and a maximum measurement time parameter, describing a maximum possible measurement time for undershooting a threshold value for the overall energy input into the patient during the measurement process, is established, taking into account other known recording parameters of the measurement process. The maximum measurement time parameter is used to restrict the ability of an operator to set a measurement time parameter describing the measurement time as a recording parameter, and/or is used as the measurement time parameter.

主权项

1. A method for operating a magnetic resonance apparatus to acquire magnetic resonance data from a patient, comprising:
operating a magnetic resonance scanner, while a patient is situated therein, to execute a magnetic resonance data acquisition procedure comprising a plurality of individual magnetic resonance sequences that are executed sequentially; in a control computer that operates the magnetic resonance scanner, establishing a maximum human time parameter that designates a maximum possible measurement time for sequentially executing at least some of said magnetic resonance sequences in said plurality of magnetic sequences, before a threshold value is exceeded that designates an overall energy input into the patient during said measurement procedure, said control computer establishing said maximum measurement time parameter dependent on known recording parameters for said measurement process; and at an input interface of said control computer, via which an operator makes manual entry of at least some of said recording parameters, limiting, dependent on said maximum measurement time parameter, an ability of the operator to set, via said input interface, a measurement time as one of said recording parameters.