The box label states: "AT1 Autotransfusion Set 9005101 STERILE...FRESENIUS KABI...Fresenius Kabi AG 61345 Bad Hamburg Germany...Federal (USA) Law restricts this device to sale by or on order of a physician". The AT1 Autotransfusion Set is distributed by Fresenius Kabi on its own or as part of a ATF40 kit or ATF120 kit. AT1 Autotransfusion set is a disposable set, dedicated component of the Fresenius CATS Continuous Autotransfusion System, which in turn is an Autotransfusion device for the processing of autologous shed blood collected intraoperatively and postoperatively to obtain washed packed red blood cells for reinfusion.

Using AT1 Autotransfusion Set from specific batches in combination with the auto transfusion device CATS Continuous Autotransfusion has led to insufficient suction of shed blood from the collection reservoir. The results in the failure message "alarm blood flow" and the CATS device stops in a secure mode.

Fresenius Kabi sent out a Technical Notification letter dated March 29, 2010, to one distributor located in Ann Arbor, Michigan. The distributor sent the technical notification with a cover letter to each of their customer's that had ordered AT1's, ATF120's and ATF40's over the last year. The letter identified the product, the problem, and the action to be taken. Customers were notified that the autotransfusion prime and / or washing procedure can be continued after alarm blood flow by following Alternative procedures. The Technical Notification informs the distributor about the problem of the AT1 (item #9005101), but also mentions the other two products ATF120 (item #9108501) and ATF40 (item #9108491) which have no known problem. The distributor is advised to contact Fresenius Kabi, LLC for any question regarding the Technical Notification. For questions regarding this recall call (425) 242-2074.