2484
Evaluation of a Novel Acoustic Noise Shield for PET-MR
Chen Lin1, LeRoy H Stecker1, Brittany L Benson1, Craig A Hildestad2, Shengzhen Tao1, and Robert A Pooley1
1Radiology, Mayo Clinic, Jacksonville, FL, United States, 2Mayo Clinic, Jacksonville, FL, United States
A new type of acoustic noise shield for MR and PET-MR is shown to be an effective and useful option for hearing protection. It has several advantages over the previous design which is limited for pediatric application.
Figure 1. An acoustic shield, made of ¼ inch thick clear acrylic, is placed over a GE Head Neck Unit on a PET MR table.
Figure 3. Sound pressure level of MRI acoustic noise measured when scanning volunteers in a GE 8ch high resolution brain coil with and without acoustic shield