Open mr system provided with transmission rf coil arrays
First Claim
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1. An MR system for MR imaging, including:
- an open main field magnet with two main field magnet poles which are arranged on opposite sides of an examination zone in order to generate a magnetic main field;
a gradient coil system with a plurality of gradient coils for generating magnetic gradient fields;
an RF coil system for transmitting and/or receiving RF signals with two planar RF coil arrays which are situated on opposite sides of the examination zone, each RF coil array including at least two RF coils which are decoupled from one another and are connected to a respective channel of a transmit/receive unit;
a transmit/receive unit which includes a respective channel for an RF coil of the RF coil system, each RF coil being separately controllable in the transmission mode;
a control unit for controlling the MR imaging; and
a processing unit for processing received MR signals.
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Abstract
The invention relates to an open MR system in which the magnetic RF field is to be adjusted at will in respect of field profile. This is achieved in accordance with the invention by providing an RF coil system for the transmission and/or reception of RF signals, which RF coil system includes two RF coil arrays which are arranged on opposite sides of the examination zone, each RF coil array including at least two RF coils which are decoupled from one another and are connected to a respective channel of a transmit/receive unit. The invention also relates to a corresponding planar RF coil array.
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Citations
10 Claims
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1. An MR system for MR imaging, including:
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an open main field magnet with two main field magnet poles which are arranged on opposite sides of an examination zone in order to generate a magnetic main field;
a gradient coil system with a plurality of gradient coils for generating magnetic gradient fields;
an RF coil system for transmitting and/or receiving RF signals with two planar RF coil arrays which are situated on opposite sides of the examination zone, each RF coil array including at least two RF coils which are decoupled from one another and are connected to a respective channel of a transmit/receive unit;
a transmit/receive unit which includes a respective channel for an RF coil of the RF coil system, each RF coil being separately controllable in the transmission mode;
a control unit for controlling the MR imaging; and
a processing unit for processing received MR signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification