(b)(4).The returned device was confirmed to function incorrectly and exhibits wear and tear from indicated use.A functional test was performed using 2.4mm and a 3.0mm smooth guide wires.The device functioned as intended while using the 2.4mm feature.The 3.0mm feature did not grip and hold the 3.0mm guide wire.Gouging is seen in the 3.0mm hole.This feature measured oversized.The device history records were reviewed and the records indicated that the parts met specifications at the time of manufacture.The guide wire gripper had a potential field age of approximately 3 years and 3 months at the time of incident.The package insert included with the instrument specifies that the device may not perform as intended if damaged or worn.Due to the condition of the returned guide wire gripper, the most likely cause of the instrument not gripping is wear and tear from use.This mdr was identified during an internal retrospective review to meet reporting requirements and therefore is being filed retrospectively.
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