(b)(4).A device history record review could not be performed as no kit or lot number were provided by the customer.Therefore, a review of sales history data could not be performed to obtain a lot number.The customer reported the catheter was blocked.The customer returned one epidural catheter, one snaplock adapter, and one non-teleflex 2ml syringe.The components were received connected together (reference files (b)(4)).The returned components were visually examined with and without magnification.Visual examination of the returned snaplock adapter revealed that the snaplock appears typical with no observed defects or anomalies.Visual examination of the returned catheter revealed that the catheter appears typical but used.Adhesive material can be seen on the outer extrusion of the catheter and biological material can be seen between the inner coils.No other defects or anomalies were observed.A manual flow test was performed using the returned catheter and snaplock adapter.A 20ml lab inventory syringe was connected to the returned snaplock other remarks: adapter and catheter.Using hand pressure, the water was injected.Water could be seen immediately exiting the distal end of the catheter.No blockages were found.A corrective action is not required at this time as there were no functional issues found with the returned sample.The reported complaint of the catheter being blocked could not be confirmed based on the sample received.The device history records were not reviewed as no kit or lot number were provided by the customer and therefore, no sales history records could be found from this customer for this product.The returned components passed a functional flow test.There were no functional issues found with the returned sample.
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