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 the guidewire being ¿looped back¿ within the housing was inconclusive due the state of the sample upon receipt.The product returned for evaluation was one 18ga powerglide pro midline catheter assembly.The sample was received fully disassembled.Usage residues were observed throughout the sample.The catheter had been advanced and was not returned for evaluation.The safety mechanism appeared to have been removed from the needle tip.The guidewire was intact and was attached to the upper housing.Microscopic inspection of the guidewire advancer revealed wear marks in the coupler region.Inspection of the guidewire was unremarkable.Following reassembly of the device, the guidewire functioned as intended.The wear marks in the coupler region indicated that the guidewire as initially properly assembled with the advancer; however, the fully disassembled state of the device upon receipt prevented evaluation of the functional state of the device during the reported event.Consequently this complaint is inconclusive at this time.Potential contributing factors to the reported event include attempted guidewire advancement against resistance, such as into tissue.
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