Unique device identifier (udi): (b)(4).Mayfield skull clamp was returned for evaluation.Unit received with the lock having rotational and lateral movement, was hard to lock and had a residue buildup present.Unit needed new components added to replace worn internal parts.The unit was inspected and found to have worn internal parts.The unit had general maintenance and cleaning performed, the worn parts were replaced and the unit was returned, functioning as intended.This unit is beyond integra¿s 7 years recommended life cycle (manufactured in 2010).
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