Information was received from a surgeon who is not required to complete form 3500a.The product was returned for evaluation.Photo and visual examinations reported normal wear and cosmetic damage on the product.Product was showing signs of tool marks on both the top and bottom indicating use.The 3.0mm hole was found to be worn and slightly out of shape.The 2.4mm hole was not worn, as it was likely used less frequently.Upon inspection, worn evidence was also noted by thread damage where the product locks in place.Functional tests and measurements performed on the product by methods; such as, pin gages, caliper, rockwell hardness test, and micrometer.All dimensions measured met print specifications.The device history records reviewed found device to be conforming at the time of manufacture.The device is roughly 3.5 years old.This device is used for treatment.The most likely cause of the instrument not gripping is normal wear from use; the device has reached the end of its useful life.This mdr was identified during an internal retrospective review to meet reporting requirements and therefore is being filed retrospectively.
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