The following fields were updated due to additional information: d10: device available for eval yes, d10: returned to manufacturer on: 29-nov-2022.H6: investigation summary: the affected physical sample were returned for evaluation by our quality engineer team.The syringe had been removed from the blister packaging with the stopper depressed to the 8ml mark.Upon examination of the syringe, red foreign matter was observed floating within the solution.Red foreign matter was also observed in the tip cap.As part of our investigation, we endeavored to remove the red foreign matter; however, when we tried to extract it from the saline with tweezers, it became clear that the foreign material was a viscous liquid itself.The material did not mix with the saline, but floated within it, giving a ¿string¿ like appearance as described in the correspondence.There is no such substance anywhere in the associated manufacturing processes and given that a similar red substance was also observed in the syringe tip cap, it indicates that the substance was present when the product was used a part of a flush.Based on the investigation conducted, it is concluded that given the physical nature of the foreign matter, it is more likely to have been introduced from the clinical environment than the manufacturing process.
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