One collection cassette and tubing were returned wrapped up in a plastic bag.The tubing was wadded and partially wrapped around the cassette.Visual inspection found the assembly dirty with fluid in the lines.Closer inspection found the irrigation line kinked at the tubing manifold base.A functional test was performed using a stellaris pc system.The assembly display reduced irrigation.Due to the conditions in which the product was returned, the cause of the kinded tubing cannot be determined.The lot number of the device used in the event is unknown; therefore, a review of the lot manufacturing records cannot be performed.Based on all information, no causal factors can be determined and no conclusion can be drawn.
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