Motor for a MR elastography transducer

A patient table for a magnetic resonance (MR) room, comprising:

• a tabletop for bearing a patient;
• a holding means;
• and
• a motor, comprising:
• a rotational drive for supplying rotational energy to power a MR elastography transducer usable during a MR elastography imaging protocol;
• and
• a support structure,
• wherein the rotational drive comprises a terminal for connecting the MR elastography transducer to the rotational drive,
• wherein a bearing means is configured such that a position of the terminal relative to the support structure is adaptable along a trajectory predetermined by the bearing means,
• wherein the rotational drive is mounted to the support structure,
• wherein the support structure of the motor is fastened to the patient table via the holding means, and
• wherein the tabletop is movable relative to the holding means.

A magnetic resonance (MR) elastography device, comprising:

• a MR elastography transducer configured to transmit vibration to a patient in dependence of rotational energy during a MR elastography imaging protocol;
• a motor, comprising:
• a rotational drive for supplying the rotational energy to power the MR elastography transducer usable during the MR elastography imaging protocol;
• and
• a support structure,
• wherein the rotational drive comprises a terminal for connecting the MR elastography transducer to the rotational drive;
• and
• a driveshaft connected to the terminal of the motor and configured to confer the rotational energy from the rotational drive to the MR elastography transducer,
• wherein a bearing means is configured such that a position of the terminal relative to the support structure is adaptable along a trajectory predetermined by the bearing means,
• wherein the rotational drive is mounted to the support structure, and
• wherein the driveshaft is configured to bend in a loop depending on a position of the MR elastography transducer relative to the terminal.

A magnetic resonance (MR) tomography device for a MR elastography imaging protocol, comprising:

• a main magnet for generating a main magnetic field;
• a MR elastography device, comprising:
• a motor, comprising:
• a rotational drive for supplying rotational energy to power a MR elastography transducer usable during the MR elastography imaging protocol;
• and
• a support structure,
• wherein the rotational drive comprises a terminal for connecting the MR elastography transducer to the rotational drive,
• wherein a bearing means is configured such that a position of the terminal relative to the support structure is adaptable along a trajectory predetermined by the bearing means, and
• wherein the rotational drive is mounted to the support structure;
• a MR elastography transducer configured to transmit vibration to a patient in dependence of the rotational energy during a MR elastography imaging protocol;
• and
• a driveshaft connected to the terminal of the motor to confer the rotational energy from the rotational drive to the MR elastography transducer;
• an input interface configured to receive a rotational frequency signal relative to a rotational frequency and/or phase of the rotational drive;
• and
• a control unit configured to control an imaging of the patient according to the MR elastography imaging protocol such that the imaging is performable at least temporarily in synchrony with the rotational frequency signal.

A motor for a magnetic resonance tomography room, wherein a magnetic resonance (MR) tomography device for a MR elastography imaging protocol is arranged within the MR tomography room, the motor comprising:

• a rotational drive for supplying rotational energy to power a MR elastography transducer usable during the MR elastography imaging protocol;
• and
• a support structure,
• wherein the rotational drive comprises a terminal for connecting the MR elastography transducer to the rotational drive,
• wherein a bearing means is configured such that a position of the terminal relative to the support structure is adaptable along a trajectory predetermined by the bearing means,
• wherein the rotational drive is mounted to the support structure, and
• wherein the motor comprises an output interface configured to provide a rotational frequency signal relative to a rotational frequency and/or phase of the rotational drive.

A magnetic resonance (MR) elastography device, comprising:

• a MR elastography transducer configured to transmit vibration to a patient in dependence of rotational energy during a MR elastography imaging protocol;
• a motor, comprising:
• a rotational drive for supplying the rotational energy to power the MR elastography transducer usable during the MR elastography imaging protocol;
• and
• a support structure,
• wherein the rotational drive comprises a terminal for connecting the MR elastography transducer to the rotational drive;
• and
• a driveshaft connected to the terminal of the motor and configured to confer the rotational energy from the rotational drive to the MR elastography transducer,
• wherein a bearing means is configured such that a position of the terminal relative to the support structure is adaptable along a trajectory predetermined by the bearing means,
• wherein the rotational drive is mounted to the support structure, and
• wherein the driveshaft comprises a universal joint.