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The following were reviewed as part of this investigation: patient severity, applicable previous investigation(s), sample analysis, applicable fmea documents, and labeling.Based on a review of this information, the following was concluded: the complaint of loose particles within the luer adaptor was confirmed and the cause appeared to be supplier related.One 20g miniloc infusion set was returned for investigation.The infusion set was received with the blue cap attached to the luer adaptor.A microscopic examination of the luer adaptor revealed 12 blue particles within the luer adaptor.The largest particle was located at the entrance to the extension set tubing and was 3mm x 1.5mm.The thickness of the largest particle was measured with calipers and was found to be 0.05mm.All but the largest particle were clinging to the inner surface of the luer adaptor.Five particles were located between the stem of the blue cap and the inner surface of the luer adaptor.No blue particles were found along the length of the extension set tubing.No material appeared to be missing from the formed cap.It is possible that the material was flash from the injection molding process.Since the material appeared to be consistent with the blue cap, the supplier was notified of this complaint.A lot history review (lhr) of ascus0063 showed no other similar product complaint(s) from this lot number.
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