Medtronic Pressure Display Box, Models 66000, 64000, 63000, 60000. It is capable of measuring pressure between -100 mmHg and +500 mmHg with an accuracy of +/-5 mmHg from -100 mmHg to +300 mmHg and +/-10 mmHg from +301 to +500 mmHg. The Pressure Display Box has an upper and lower alarm setting. The alarm will be activated when the pressure is equal to or beyond the set value. Manufacturer: Medtronic, Inc. 710 Medtronic Parkway, Minneapolis, MN 55431-5604. Product Usage: This product is intended for use in displaying line pressures during cardiopulmonary bypass surgery.

The DFU for the Medtronic Pressure Display Box, model 66000, states that, for display readings of -100 to +300 mmHg there will be an accuracy of +/-5 mmHg, and for display readings of +301 to +500 mmHg there will be an accuracy of +/-10 mmHg. Through reports from customers, Medtronic has become aware that the Pressure Display Box may not always accurately display readings. During use in the -40

Medtronic Perfusion Systems, sent an "Urgent Medical Device Notification letter dated September 9, 2011, via UPS 2-day delivery to all affected customers. The letter identified the affected devices, described the issues, and the actions needed to be taken. The letter indicates when approved, the updated Directions for Use for the Pressure Display Box and Pressure Display Sets will be sent to customers. Customers were asked to complete the Customer Confirmation Certificate and return to Medtronic per the instructions on the form. The letter states that if the recalled products have been further distributed, forward this letter immediately to all customers who received the affected products, and gather proof of notification. For further questions concerning this notification, contact Medtronic Cardiovascular Technical Support at 877-526-7890 or Medtronic Sales Representative.