Gradient coils for certain MR systems (see affected product list in this letter), under specific conditions, can produce elevated acoustic noise during scanning.
There have been cases of failure of the main board due to condensation water drained from the Peltier dehumidifier, leaked out from the tray, resulting in a short circuit. In the serious case, the main board and adjacent cables are partly charred. In the minor case, the Y motor and its surrounding die cast part become rusty. These failures could result in delay in patient sample testing.
Identified lots of Olympus product may be missing sterile and manufacturing lot numbers and expiration dates on the sterile packaging. The information can be found on the outer box or zipper bag label. Medline is recalling its kits which utilize affected product as a component.
Due to heart transmitter not being able to upgrade to the current software version in the field after experiencing a power interruption during a prior over-the-wire software download.
Heart-Lung Machine GUI touchscreen may go dark for 10-15 seconds, safety/performance functions remain operational before reset, control maintained through backup control panel, but second reset may occur, may lead to gas blender standby, then gas blender must be reactivated using user interface on blender, sensors deactivated until new case started; GUI reset can lead to Hypoxia and Hypoperfusion.