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Manufacturing review: a manufacturing record review was not performed, as the information available does not reasonably suggest a manufacturing process may have caused or contributed to the reported event.However, the lot history records of this lot were reviewed with special attention to the manufacturing and inspection of this product and the product was found to have met the specification prior to shipment.Investigation summary: the sample was returned to manufacturer for evaluation.Based on the evaluation of the returned catheter sample a failure to advance could not be confirmed.The sample was found without damage/ deformation, and during evaluation testing the sample could be successfully inserted into a 6f introducer, and could be successfully deployed on the table with each deployment mode independently.An indication for a process related issue could not be found.In this case there was a previously placed stent, and the lesion was extremely calcified.As a result of the investigation performed the complaint is inconclusive.A definite root cause for the reported event could not be determined.Labeling review: in reviewing the relevant labeling for this product the potential issue was found addressed.The instruction for use state: 'if resistance is met during stent system introduction, the stent system should be removed and another stent system should be used.' in regards to pta the instruction for use state: 'predilation of the lesion should be performed using standard techniques.' in regards to accessories the ifu state: 'gain femoral access at the appropriate site using a 6f (2.0 mm) or larger introducer sheath (¿) insert a 0.035" diameter guidewire of appropriate length (see table) across the lesion to be stented via the introducer sheath.' the instruction for use further state: 'recrossing a partially or fully deployed stent with adjunct devices must be performed with caution.' (expiry date: 03/2022).
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