|
It was reported hex transformation.When the doctor performed a reverse rotation, the hex became deformed, so he removed it.Initially, the implant was inserted within the prescribed torque value, but when it reached its limit, the doctor performed a reverse rotation.
|
|
Zimvie received one (1) nt411, (osseotite® tapered implant 4 x 11.5mm) for evaluation.Visual evaluation of the as returned device identified the implant with signs of use.The implant's external hex was observed damaged/stripped.The implant was seen also damaged around the external threads likely due to the removal process.Functional testing to recreate the reported event could not be performed due to the nature of the device & event.This complaint refers to the specific device being investigated for this complaint record.Dhr review was completed for the subject lot number 2022030097.No deviations or non-conformances, which could have caused or contributed to the reported event, were noted as part of the dhr.Complaint history review was performed for the reported lot number 2022030097 for similar events and no other complaint was identified.Review completed utilizing keywords: ¿damaged drive feature¿ the customer did submit two (2) images for the reported event.Based on the investigation and risk management file review as per rmf rm-00053-haz rev.12, the most likely root cause determined from the investigation is incorrect techniques used during implant placement - customer error.Therefore, based on the available information, a device malfunction did occur.The reported event was confirmed with all the available information.No further investigation or immediate capa / hhe/d escalation is required, as the complaint investigation did not confirm the product was nonconforming at the time of distribution, and no new failure mode, harm, or hazardous situation was identified through the investigation performed.At this time, the complaint investigation has been completed and the record will be closed.If additional information is received, the record will be re-opened for further evaluation.The following sections have been updated: b4: date of this report, d9: device availability , g3: date received by manufacturer, g6: checked "follow-up", h2: checked follow-up type, h3: changed "no" to "yes", h6: entered evaluation codes, h10: added manufacturer narrative.
|