(b)(4).The customer returned one 3-lumen 7frx20cm cvc for analysis, which does not match the reported catheter - product code cs-27702-e (2-lumen 7frx20cm).The customer was contacted as part of this discrepancy; however, no information was provided.Signs of use in the form of biological material was observed inside the extension lines.Additionally, the catheter body was intentionally severed.The severed end was not returned.Visual analysis revealed that the proximal extension line was separated directly adjacent to the proximal hub (white hub).Microscopic examination confirmed the damage and revealed that the edges of the separation were smooth and uniform.Additionally , remanence of the extension line were still inside the proximal hub.A manual tug test confirmed that the distal and medial extension lines were secure within the respective hubs.The customer did not provide a lot number; therefore, a device history record review was performed based upon a lot number from the sales history data of the customer.No relevant findings were identified.The ifu provided with the kit informs the user, "do not apply excessive force in placing or removing catheter or guidewire.Excessive force can cause component damage or breakage.If damage is suspected or withdrawal cannot be easily accomplished , radiographic visualization should be obtained and further consultation requested.".The report of a separated extension line was confirmed through complaint investigation of the returned sample.Visual analysis revealed that the proximal extension line had separated directly adjacent to the luer hub (white hub).Despite this, dimensional and functional analysis could not be performed as the correct material number for the returned catheter is not known.A device history record review was performed based on a potential lot for the reported material number, and no relevant findings were identified.Based on the discrepancy between the reported part number and the returned device, the root cause cannot be determined at this time.Teleflex will continue to monitor and trend for reports of this nature.
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