During inspection of the returned device notches were observed on the cutting edge of the tip.
This type of damage is usually caused by misuse, such as grasping or cutting metallic objects, leading to overstress and breakage of the instrument.
Review of manufacturing documents showed that the device conformed to specifications at the time of release.
Hardness of the returned device was tested and found to conform to specifications.
The device was manufactured and sold in 2006 and may have been in use for up to 13 years, well above its three-year lifetime.
|