One pressure tubing with female luer connected to male connector of this dpt was received for evaluation.The reported event of contamination was confirmed.An unknown dark particulate, about 1mm in length, was found attached to the inner wall of pressure tubing at 6 cm from the female connector.The pressure line was flushed continuously for 5 minutes.The unknown material was flushed out from the pressure line during flushing, and captured on filter paper.After further analysis of the material, it was concluded that the ir spectrum of unknown material showed similar absorption characteristics of a pvc like material.A device history record review was completed and documented that device met all specifications upon distribution.It is common clinical practice to inspect all products before usage.Additionally, these products are used by highly trained clinicians, experienced in identifying and mitigating any hazards that arise.Invasive procedures involve some patient risks.Although serious complications are relatively uncommon, the physician is advised to consider the potential benefits in relation to the possible complications.Complaint histories for all reported events are reviewed against trending control limits on a monthly basis and any excursions above the control limits are assessed and documented as a part of the monthly review.
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