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Patient 1
WE HAVE RECEIVED THE DEVICE FOR EVALUATION AND WE HAVE CONFIRMED THE REPORTED INCIDENT. WE FOUND THAT THE CENTERING HOOPS DID NOT CLOSE ALL THE WAY INSIDE THE SHEATH WHEN THE GREEN HANDLE WAS PULLED. THE DEVICE WAS ABLE TO CLOSE WHEN HELD STRAIGHT BUT COULD NOT CLOSE COMPLETELY WHEN WE TRIED TO CLOSE THE HOOPS IN U-CONFIGURATION. WE COULD NOT CONCLUSIVELY DETERMINE THE ROOT CAUSE OF THE DEFECT. THE INVESTIGATION IS ONGOING. IT IS POSSIBLE THE FRICTION BETWEEN THE INSIDE WALL OF THE SHEATH AND THE WIRE CAUSED BY DRIED BLOOD INSIDE THE CATHETER HAS CONTRIBUTED TO THIS ISSUE. OUR REVIEW OF THE LOT HISTORY RECORDS FOR THIS LOT DID NOT FIND ANY DISCREPANCIES EITHER IN THE MANUFACTURING OR PACKAGING PROCESS THAT COULD BE RELATED TO THIS INCIDENT. FURTHER, WE HAVE NOT RECEIVED ANY OTHER COMPLAINTS OF SIMILAR NATURE FOR DEVICES FROM THIS LOT. SINCE THE CATHETER WAS REMOVED IN THE OPEN POSITION, THE BLADE CUT THE DISTAL END OF THE PATIENT'S SAPHENOUS VEIN . THE VEIN WAS STILL USED SUCCESSFULLY FOR BYPASS AND WAS ABLE TO BE ANASTOMOSED TO THE ARTERY.