STRYKER TRAUMA KIEL U-BLADE LAG SCREWDRIVER GAMMA3®; ROD, FIXATION, INTRAMEDULLARY AND ACCESSORIES
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Model Number 1320-0310 |
Device Problem
Material Deformation (2976)
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Patient Problem
Non-union Bone Fracture (2369)
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Event Date 12/16/2021 |
Event Type
Injury
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Manufacturer Narrative
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Upon completion of the investigation, additional information will be provided in a supplemental report.
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Event Description
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As reported: "a patient who had undergone surgery about a year and a half ago was re-operated on after a postoperative pseudoarthrosis was identified.For reasons unknown, a long gamma nail and u-lag screw were used, but the u-blade was not installed on the u-lag screw.During revision surgery, when removing the u-lag screw, the u-lag screw driver did not turn easily and the tip were deformed.The surgeon prepared a substitute and started to remove it again, but the tip of the second screwdriver were also deformed.Eventually, it was able to be removed, but it extended the surgery time by more than 5 hours.".
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Manufacturer Narrative
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The reported event was confirmed.A review of the device history for the reported lot did not indicate any abnormalities.No corrective actions are required at this time.No indications of material, manufacturing or design related problems were found during the investigation.A review of the labeling did not indicate any abnormalities.Generally, the received u-blade lag screwdriver showed normal signs of usage.However, the pegs at the distal end of the outer sleeve were completely broken off.The nature of found damages indicate excessive rotational force and/or levering the screwdriver during use.It was reported that the u-lag set was initially implanted without the required u-blade.The labelling clearly indicates the use of the u-blade.It was also reported that the surgeon was required to scrape away bony ingrowth in the screw with wires, etc.Which caused delay in surgery.A product deficiency was not verified.Origin of the complaint is the initial omission of a required implant.
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Event Description
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As reported: "a patient who had undergone surgery about a year and a half ago was re-operated on after a postoperative pseudoarthrosis was identified.For reasons unknown, a long gamma nail and u-lag screw were used, but the u-blade was not installed on the u-lag screw.During revision surgery, when removing the u-lag screw, the u-lag screw driver did not turn easily and the tip were deformed.The surgeon prepared a substitute and started to remove it again, but the tip of the second screwdriver were also deformed.Eventually, it was able to be removed, but it extended the surgery time by more than 5 hours.".
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