During a surgery, the breakage of the drill bit occurred, probably when drilling the glenoid bone.Because of the breakage, a small piece of drill bit remained wedged inside patient glenoid.We received the following additional info on the event: "patient result was not compromised in any way.Just unsightly to have a piece of drill bit behind the glenoid component.We would have caused more harm in trying to remove the item vs.Leaving it." the event occurred in the us.
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The check of the manufacturing charts of the lot # involved (201411377) did not show any pre-existing anomaly on the 50 pieces released on the market with this lot #.We received no other complaints on this lot #.We received no additional info (e.G.Return of the "free" piece of drill bit for analysis, post-op x-ray) on this event, therefore we cannot perform a deeper investigation.It's possible that an improper action by the surgeon caused unexpected stresses on the drill bit and consequently its intra-op breakage when drilling the bone.This is the 1st complaint reported on a drill bit belonging to this family (model # 9084.20.08x).According to our pms data, the breakage rate of these devices is 0.24%.No corrective actions have been planned for this case.Limacorporate will keep monitored the market to promptly detect a possible recurrence of such issue.Device not returned.
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