Poor Fat Sat with Medical Advances Knee Foot Coil.

MRIQ Poor Fat Sat with Medical Advances Knee Foot Coil See Long Description and attachment Subject: MR SMILe (11/22/04): Poor Fat Sat w/ Medical Advances Knee Foot Coil Effectivity: All Signa 1.5T systems with the Medical Advances quadrature knee/foot coil (catalog M1085NA) with serial numbers between 42317 and 42998. Problem Description: Coils in the effectivity range may have shipped with a magnetic component in the posterior section of the coil, causing image distortion and poor fat sat performance. Coils with this issue can be identified by fat sat banding or phantom image distortion as shown in the attached document. Image Artifact Library;