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Qn# (b)(4).The customer provided one image for analysis.The image shows an unraveled guidewire being held in a glove.The customer complaint of an unraveled swg during use was confirmed by the customer-provided image.The customer also returned one catheter for evaluation.The guidewire was not returned.Visual examination of the catheter revealed obvious signs of use in the form of biological material.No other defects or anomalies were observed with the catheter.Visual analysis of the guidewire could not be completed since it was not returned.Dimensional analysis of the guidewire could not be performed as it was not returned for analysis.The overall length of the catheter body measured 2 1/16", which is within the specification limits of 1 25/32" - 2 3/16" per the catheter product drawing.The distal extension line outer diameter measured 0.08581", which is within the specification limits of 0.084" - 0.088" per the distal extension line extrusion product drawing.The distal extension line inner diameter measured 0.05650", which is within the specification limits of 0.055" - 0.059" per the distal extension line extrusion product drawing.The proximal extension line outer diameter measured 0.0865", which is within the specification limits of 0.084" - 0.088" per the proximal extension line extrusion product drawing.The proximal extension line inner diameter measured 0.0571", which is within the specification limits of 0.055" - 0.059" per the proximal extension line extrusion product drawing.Functional inspection could not be performed as the guidewire was not returned for analysis.A device history record review was performed and no relevant manufacturing issues were identified.The ifu provided with this kit informs the user, "warning: do not apply excessive force in removing guide wire, dilator, or sheath." the report of an unraveled guidewire was confirmed through visual analysis of the customer-provided image, however, the guidewire was not returned as part of this complaint investigation.The customer only returned one catheter.Visual analysis of the catheter did not reveal any defects or anomalies.Additionally, the catheter met all relevant dimensional and functional requirements, and a device history record review was performed with no relevant findings.Based on the customer report and without the guidewire returned, the root cause cannot be determined.Teleflex will continue to monitor and trend for reports of this nature.
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