It was reported that during an atrial fibrillation ablation procedure using a preface® guiding sheath, the sheath became occluded.The occlusion occurred during the procedure once the sheath and catheter were advanced across the septum, making this event reportable due to the risk to patient.No adverse patient consequences were reported.The devices have not yet been returned to bwi for analysis.
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(b)(4) it was reported that during an atrial fibrillation ablation procedure using a preface guiding sheath, the sheath became occluded.The occlusion occurred during the procedure once the sheath and catheter were advanced across the septum, making this event reportable due to the risk to patient.Upon receipt, the preface sheath (sheath introducer) was visually inspected and it was found in normal conditions.The vessel dilator was also returned and it was found in good conditions as well.Then per the reported event, a microscopic visual inspection was performed over the two devices and no damages were observed.Afterwards, a dimensional testing was performed over the vessel dilator and sheath introducer and both were within specifications.In addition, the vessel dilator was introduced through the sheath introducer and no resistance/friction was experienced.Finally a lab sample smart touch was introduced through the sheath introducer, an irrigation test was then performed and no occlusions were observed.Water was flowing normally the customer complaint cannot be confirmed.The device history record (dhr) was reviewed and no anomalies were found related to this complaint.In addition, the dhr review verifies that the device was manufactured in accordance with documented specification and procedures.
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