It was reported that a 2x6mm mini trek ii balloon dilatation catheter (bdc) moved unintentionally twice, and a marker separated from the device.The marker remains in the patient anatomy, and the vein became damaged [dissection], which interfered during contrast media administration.An unspecified balloon was used to successfully complete the procedure.There was no clinically significant delay in the procedure.No additional information was provided.
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Visual inspection was performed on the returned device.The reported marker separation could not be confirmed.The reported unintended system motion (balloon slipping) could not be replicated in a testing environment as it was based on operational circumstances.A review of the lot history record revealed no manufacturing nonconformities that would have contributed to this complaint.Additionally, a review of the complaint history identified no other similar incidents and/or complaints from this lot.The investigation was unable to determine a conclusive cause for the reported complaints.Potential factors that may contribute to unintended system motion (balloon slipping) may include, but are not limited to, patient anatomical morphology, device size selection, placement of the balloon within the lesion, or physician technique.Return analysis was unable to confirm the reported marker separation and since limited information was reported, a conclusive cause for the reported marker separation could not be determined.Additionally, it was reported that the marker remained in the patient anatomy, a dissection occurred and additional treatment with an unspecified balloon was performed to successfully complete the procedure.There is no indication of a product quality issue with respects to the design, manufacture, or labeling of the device.
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