(b)(4).Complaint sample was evaluated and the reported event was confirmed.And the drill was broken at the base.Device history record (dhr) review was unable to be performed as the lot number of the device involved in the event is unknown.Investigation results concluded that the reported event was due to either bending the drill in the drill guide while drilling, drill guide shifting, or applying a lot of side pressure on drill and/or drill guide while drilling.A summary of the investigation has been sent to the complainant.If any further information is found which would change or alter any conclusions or information, a supplemental will be filed accordingly.Zimmer biomet will continue to monitor for trends.
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It was reported that during an orthoscopic labral repair surgery, the drill broke at the base of the fluted portion.The surgeon then proceeded to switch the surgical technique to an "open surgery", in order to remove the drill bit from the patient's shoulder.Fractured pieces was removed with no issues.
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