CD HORIZON® FENESTRATED SCREW SET

Description of Event or Problem

INFORMATION RECEIVED FROM HEALTHCARE PROVIDER VIA MANUFACTURER REPRESENTATIVE REGARDING A PATIENT HAVING SPINAL THERAPY. PRE-OP DIAGNOSIS WAS SPINAL CANAL STENOSIS. IT WAS REPORTED THAT, ONE OF THE REPORTED SCREWS WAS USED AT L2. THE DELIVERY DEVICE ON THE LEFT SIDE OF L2 COULD NOT BE REMOVED BY TURNING IT BY HAND, AND IT CAME OFF WHEN THE DEVICE WAS GRASPED WITH PLIERS. THE CEMENT WAS FILLED ACCORDING TO THE IMAGE CHECK, BUT THE TIP CAME OFF THE TORX DUE TO SHAFT SHAKE, ETC. DURING THE PROCESS. THE CEMENT LEAKED INTO THE SCREW HEAD. THE TAB WAS REMOVED, AND THE TIP WAS COLLECTED USING A CHISEL, A LUER, AND PLIERS. THE ROD WAS EVEN BROUGHT TO A STATE WHERE IT CAN BE PUT ON. THE OTHER SCREW WAS USED AT L4, IT WAS OBSERVED THAT AN ABNORMAL CHANGE OCCURRED DURING CEMENT MANIPULATION, THE PUSHING ROD COULD NOT BE ADVANCED DUE TO THE TIGHTNESS DURING INJECTION OF CEMENT AT THE RIGHT L4 (PERCUTANEOUS PORTION). AT THAT STAGE, IT WAS MENTIONED TO WAIT AND CHECK, BUT THE PUSH STICK MOVED FORWARD WHILE CALLING OUT AND THE PUSHING STICK REMAINED IN PLACE. CEMENT LEAKAGE IN THE SCREW HEAD AT THE RIGHT SIDE OF L4 WHERE AN ABNORMALITY WAS FELT. IT WAS IDENTIFIED THAT THE PRODUCT WAS NOT FILLED WITH CEMENT EVEN IN FRONT OF THE IMAGE. AS A RESULT, THE TAB WAS REMOVED, AND WHILE PULLING WITH A MUSCLE HOOK, CEMENT WAS DROPPED WITH A CHISEL OR LUER, AND THE TIP WAS COLLECTED WITH AMERICAN PLIERS. THE ROD WAS CHECKED UNTIL IT GOT ON. THERE WAS NO MALFUNCTION ASSOCIATED WITH CEMENT DELIVERY GUIDE. PROCEDURE/TECHNIQUE PERFORMED WAS OBLIQUE LUMBAR INTERBODY FUSION AT L2-L5. THERE WAS A DELAY OF LESS THAN 60 MINUTES OCCURRED AS A RESULT. THERE WAS NO HOSPITALIZATION OF PATIENT, NO PATIENT SYMPTOMS OR COMPLICATIONS REPORTED. NO FURTHER COMPLICATIONS WERE REPORTED.

Additional Manufacturer Narrative

MEDTRONIC SUBMITS THIS REPORT TO COMPLY WITH FDA REGULATIONS 21 CFR PARTS 4 AND 803. MEDTRONIC HAS MADE REASONABLE EFFORTS TO PROVIDE AS MUCH RELEVANT INFORMATION AS IS AVAILABLE TO THE COMPANY AS OF THE SUBMISSION DATE OF THIS REPORT. THIS REPORT DOES NOT CONSTITUTE AN ADMISSION OR A CONCLUSION BY FDA, MEDTRONIC, OR ITS EMPLOYEES THAT THE DEVICE, MEDTRONIC, OR ITS EMPLOYEE CAUSED OR CONTRIBUTED TO THE EVENT DESCRIBED IN THE REPORT. ANY REQUIRED FIELDS THAT ARE UNPOPULATED ARE BLANK BECAUSE THE INFORMATION IS CURRENTLY UNKNOWN OR UNAVAILABLE. MEDTRONIC WILL SUBMIT A SUPPLEMENTAL REPORT IF ADDITIONAL RELEVANT INFORMATION BECOMES KNOWN.

Additional Manufacturer Narrative

RADIOGRAPHIC IMAGE REVIEW STATES, ANTERO-POSTERIOR LATERAL X-RAY. L2-L5 FUSION. CEMENT AUGMENTATION AT EACH LEVEL. NO OBVIOUS HARDWARE COMPLICATIONS IDENTIFIED. INTERBODY GRAFTS PRESENT AT ALL LEVELS. MEDTRONIC SUBMITS THIS REPORT TO COMPLY WITH FDA REGULATIONS 21 CFR PARTS 4 AND 803. MEDTRONIC HAS MADE REASONABLE EFFORTS TO PROVIDE AS MUCH RELEVANT INFORMATION AS IS AVAILABLE TO THE COMPANY AS OF THE SUBMISSION DATE OF THIS REPORT. THIS REPORT DOES NOT CONSTITUTE AN ADMISSION OR A CONCLUSION BY FDA, MEDTRONIC, OR ITS EMPLOYEES THAT THE DEVICE, MEDTRONIC, OR ITS EMPLOYEE CAUSED OR CONTRIBUTED TO THE EVENT DESCRIBED IN THE REPORT. ANY REQUIRED FIELDS THAT ARE UNPOPULATED ARE BLANK BECAUSE THE INFORMATION IS CURRENTLY UNKNOWN OR UNAVAILABLE. MEDTRONIC WILL SUBMIT A SUPPLEMENTAL REPORT IF ADDITIONAL RELEVANT INFORMATION BECOMES KNOWN.