RADIO FREQUENCY COIL TUNING METHODS AND APPARATUS

    公开(公告)号:US20180088193A1

    公开(公告)日:2018-03-29

    申请号:US15720245

    申请日:2017-09-29

    Abstract: Some aspects comprise a tuning system configured to tune a radio frequency coil for use with a magnetic resonance imaging system comprising a tuning circuit including at least one tuning element configured to affect a frequency at which the radio frequency coil resonates, and a controller configured to set at least one value for the tuning element to cause the radio frequency coil to resonate at approximately a Larmor frequency of the magnetic resonance imaging system determined by the tuning system. Some aspects include a method of automatically tuning a radio frequency coil comprising determining information indicative of a Larmor frequency of the magnetic resonance imaging system, using a controller to automatically set at least one value of a tuning circuit to cause the radio frequency coil to resonate at approximately the Larmor frequency based on the determined information.

    RADIO-FREQUENCY COIL SIGNAL CHAIN FOR A LOW-FIELD MRI SYSTEM

    公开(公告)号:US20210199739A1

    公开(公告)日:2021-07-01

    申请号:US17182777

    申请日:2021-02-23

    Abstract: A radio-frequency (RF) coil for use in a low-field magnetic resonance imaging system and methods of making the same are provided. The RF coil may include a conductor arranged on a substrate in an arrangement such that symmetry in the arrangement cancels at least a portion of a common mode voltage when a current is passed through the conductor. The RF coil may be included in a magnetic resonance imaging (MRI) system for imaging a patient having at least one B0 magnet for generating a B0 magnetic field.

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