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Patient 1
INVESTIGATION: PER CUSTOMER THE WELDS LOOKED "CHARRED"AND THEY FOUND THAT THE WAFER IN THE BOX WAS BENT, PREVENTING THE WAFER FROM ADVANCING. A USED WAFER AND PARTIALLY CONSUMED CARTRIDGE WAS RECEIVED BY TERUMO BCT FOR EVALUATION. TO AVOID RISK OF EXPOSURE, THE CARTRIDGE AND WAFER REMAINED WITHIN THE BIOHAZARD BAG DURING VISUAL INSPECTION. UPON VISUAL INSPECTION, IT WAS FOUND THAT THE USED WAFER HAD A VISCOUS AND BURNT MATERIAL ON EACH SIDE. ONE SIDE SHOWED THE MATERIAL IN A RECTANGULAR SHAPE AND APPEARED MOSTLY AMBER WITH SOME DARKER BROWN AREAS NEAR THE MIDSECTION OF THE WAFER. THE OTHER SIDE SHOWED TWO DISTINCT CIRCULAR AREAS WHERE THE MATERIAL HAD SETTLED ONTO THE WAFER WHICH WERE ALSO AMBER IN COLOR AND SLIGHTLY DARKER IN SOME AREAS, LIKELY DUE TO EXCESSIVE HEATING. A HORIZONTAL LINE WAS OBSERVED WITHIN THE WAFER MATERIAL ON THIS SIDE THAT WAS MORE DEEPLY CUT INTO THE COPPER MATERIAL THAN ON THE OTHER SIDE. THERE WAS NO OBSERVABLE BOWING OR DENTING OF THE WAFER THAT HAD BEEN USED. THE CARTRIDGE WAS CLOSELY INSPECTED AND FOUND TO HAVE A BENT WAFER THAT WAS IMPEDING IT FROM ADVANCING. INVESTIGATION IS IN PROCESS. A FOLLOW-UP REPORT WILL BE PROVIDED.