Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
February 21, 2017
Patent Application Number
14203451
Date Filed
March 10, 2014
Patent Citations Received
Patent Primary Examiner
Patent abstract
An MRI apparatus employs a magnet for establishing a B0 field, one or more imaging radiofrequency coils for creating a B1 field, and one or more nulling radiofrequency coils. The RF energy emitted by the nulling radiofrequency coils may be configured such that it disrupts the nuclear magnetic resonance signals emitted by nuclei excited by the B1 field. In addition, the nulling radiofrequency coils may be calibrated to be 180° out of phase such that the RF energy emitted by a pair of nulling radiofrequency coils is cancelled at a location between them.
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