The device was returned for analysis.The reported difficulties were confirmed.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 of the reported lot revealed no other similar complaints.Based on the case information, the cause for the reported difficulties are related to the circumstances of the procedure.In certain circumstances, such as manipulation through tortuous and/or tight lesions, where heavy torqueing and/or pushing/pulling is required, it may be possible that during use, the clearance between the guide wire lumen of the herculink and the guide wire was reduced causing the devices to become stuck together.This is evidenced by the stretch outer member material, bunched inner member material, and the separation.These all combine resulting in the catheter inability to advance and the subsequent difficult to remove and material separation.There is no indication of a product quality issue with respect to manufacture, design or labeling.H6-medical device problem code: 1562 added.
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