The occluder remains implanted and cannot be evaluated; however, the delivery system was returned to gore for analysis.The investigation revealed that the retrieval cord was broken approximately 110cm from the retrieval cord lock and also approximately 57cm from the free end.The tip of the delivery catheter exhibited slight deformation.All other delivery system components, including the sliding and locking mechanisms, were unremarkable.The cause of the broken retrieval cord is unknown and cannot be determined from the evidence available.
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