H11: section a through f - the information provided by bd represents all of the known information at this time.Despite good faith efforts to obtain additional information, the complainant / reporter was unable or unwilling to provide any further patient, product, or procedural details to bd.The following were reviewed as part of this investigation: patient severity, trend analysis, applicable previous investigation(s), sample (if available), and applicable fmea documents.Based on a review of this information, the following was concluded: the complaint of blue material within the infusion set extension tubing was confirmed; however, the root cause was not identified.The product returned for evaluation was one 20ga x 0.75¿ powerloc safety infusion set.Usage residues were observed throughout the sample and the safety mechanism was engaged.A non-vad 3-way valve was attached to the luer adapter.Blue material was observed within the infusion set extension tubing and within the 3-way valve.Microscopic inspection of the blue material revealed that it appeared comprised of plastic.The material fragments exhibited deformation and discoloration.The fragments were larger than the inner diameter of the needle shaft.A review of the infusion set manufacturing processes did not reveal any potential sources of the observed material.Both the locations of the material and the size suggested that the material was introduced to the infusion set externally; however, the source of the material was not identified.Consequently this complaint is confirmed as ¿cause unknown¿ at this time.H3 other text : evaluation findings are in section h.11.
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