(b)(4).Evaluation of the incident electrode extension confirmed the insulation was compromised resulting in the device failing hipot testing.There was mechanical damage along the entire shaft of the insulation in the form of nicks and scrapes, with concentrated damage in the areas that failed hipot testing.The instructions for use warn the user to inspect the extension frequently (before and after each use) for cracks, nicks, cuts, dents or depressions, which may decrease the insulation effectiveness and may result in burns to the surgeon or patient.
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