During an extracorporeal photopheresis (ecp) treatment during the purging air phase, and after approximately 142 ml of whole blood had been processed, the centrifuge bowl dislodged from the platen, and burst.There were no alarms that occurred prior to this.Procedural kit installation was verified by 2 separate rns who confirmed drive tube clips were closed at the start of the procedure.Blood-spill was significant.The patient lost approximately 150 ml of blood.The instrument was pulled from service, and cleaned and repaired by the manufacturer's contracted service company.
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