A gaming device having an award value or symbol display device is provided. The bladder assembly includes an inner bladder surrounded by an outer bladder and at least partially ringed by a ring bladder. The magnet is mounted for movement between a navigation position in which the magnet is located adjacent to the patient with the front of the magnetic generally facing the operating region, and an imaging position in which the magnet is spaced from the patient and the front generally faces away from the operating region. The antimicrobial metallic compound can be a silver, zinc, or copper compound. Other aspects of the invention are directed to computer-readable media for use with profile and consent accrual. For the beam mixer, the inverting path may have a beginning and an end and may be characterized in that a part of the beam near the first beam edge at the beginning of the path translates to the second beam edge at the end of the path.