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 safety mechanism failure was confirmed.The product returned for evaluation was one 22ga x 0.75¿ safestep safety infusion set.Usage residues were observed throughout the sample.The safety mechanism was not engaged.Residue was observed adhered between the sliding plates of the safety mechanism.An attempt to activate the safety mechanism revealed the safety to be mobile on the needle shaft.The safety failed to capture the needle tip because the plates did not move.Microscopic inspection of the safety confirmed the presence of residue between the sliding plates.The residue appeared to adhere the plates in place.The failure of the safety mechanism was caused by the safety plates not moving to cover the needle tip.The plates appeared to be adhered in place by use residue within the safety mechanism.Such deposition of residue can occur if infusion is attempted against resistance and if the port reservoir is not fully accessed during attempted infusion.H3 other text : evaluation findings are in section h.11.
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