Device is an instrument and is not implanted/explanted.Manufacture dates: april 14, 2010.The review of the (b)(4) device history record showed that there were no issues or non-conformances during the manufacture of the product that would contribute to this complaint condition.A product investigation was completed: the complaint condition of loose is confirmed on both devices as upon visual inspection; it can be seen that the ball bearing on the internal slider on the complaint device is missing.The distal hooked tip of the devices is undamaged.It is unknown what caused the complaint condition, but it is most likely due to wear over the life of the device.Per the technique guide, the 357.402 locking bolt measuring device is an instrument routinely used in the titanium trochanteric fixation nail system to measure locking bolt/screw length.The relevant drawings were reviewed.The design history was found to not impact the complaint condition.During the investigation no product design issues or discrepancies were observed that may have contributed to the complaint condition.The returned part was determined to be suitable for the intended use when employed and maintained as recommended.During the investigation no product design issues or discrepancies were observed that may have contributed to the complaint condition.It is most likely this failure mode was due to the method of use or damage during sterile processing while in a disassembled state device was used for treatment, not diagnosis.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.
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