A method of radiofrequency (RF) protecting a body organ to be scanned by an open bore magnetic resonance imaging device (MRD) having a volume of interest for imaging a body portion and an inlet aperture for inserting the body portion within the bore. The method includes adjusting a size of a sleeve such as the sleeve is set tightly at least a portion of the organ to be scanned. The sleeve is an electrically earthed and size adjustable.
