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If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.Udi: (b)(4).Investigation summary: according to the information received, it was reported that customer bought the product on feb.21st.They complaint that instrument sixter does not close and opens poorly after single use.The device was received and inspected for any visual and functional anomalies.The shaft on the sixter is bent.The jaw at the distal tip did not function due to it was loose.To test its functionality, it was actioned, and the jaw did not close and open normally, confirming the reported failure.A manufacturing record evaluation was performed for the finished device lot number:21a02, and no nonconformances were identified.Based on the results, this complaint can be confirmed.Further, a review into the depuy synthes mitek complaints system revealed no other complaints of any kind for this lot of 10 devices that were released to distribution.There were no details provided as to when this failure has occurred during the procedure; therefore, a definite root cause for this failure cannot be determined.The bent condition in the shaft considerably indicating excessive mechanical force being applied on the device during use.This issue was reviewed with the manufacturer; as a result, the possible root cause could be attributed when the safety shear pin has been broken, of excess force used on the device during use.As per ifu, hold grasping end of instrument firmly, and operate handles with care.Avoid touching the sharp cutting edge at the front face of the tube.Take special care when reintroducing the rod into the tube.The replacement shear pins are for use in repair of a broken shear pin in one of the reusable arthroscopy instruments.At this point in time, no corrective action is required, and no further action is warranted.However, in depuy synthes mitek, additional complaint information monitoring for potential safety signals is conducted through complaint trending as part of post market surveillance.
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It was reported by the affiliate in germany that postoperatively to an unknown surgery on an unknown date, it was observed that the arthro sixter-right device did not close and would open poorly after each use.During in-house engineering evaluation, it was determined that the shaft on the device was bent and the jaw at the distal tip did not function as it was loose.There were no adverse patient consequences nor surgical delay reported.No additional information was provided.
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