MRI Safe Procedures Equipment, Non-Magnetic for the MRI Environment. Our non-magnetic, MRI Safe Biopsy Tray is designed and certified within the guidelines of the new ASTM standards. New to our line is the MRI Safe Scalpel and a non-magnetic needle. MRI safe Scissors are non-magnetic and safe for the MRI environment. Anesthesia for the MRI Environment. Other items include MRI Safe plastic instruments, titanium instruments, injection, mammo draping, and many accessories.