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(b)(4).This mdr is being submitted as part of an ongoing retrospective review (remediation) of prior files by (b)(4).Investigation report from (b)(4): product appearance: used, broken.Complaint condition verified: yes.Repeat repair: no.Test method: visual, mechanical.Probable root cause: material failure.Physical findings: cable severed from burn marks.Conclusion: cable appears to be worn from wear and tear.Wire strands are broken due to fatigue, causing heat buildup and arcing (causing flame) resulting in the cord to be severed.Complaint valid: no.Action required: scrap, replace with new.The user is informed in the related ifu, ga-s009 / en-us / 2016-05 v3.0 / eco 2016-0101, about the visual and functional checks of the cable.6 checks: check the hf cable for damage before each use.Check for brittleness or cracks in the cable, worn plug, or separation of the plug from the cable.If there are any signs of damage, replace with a new cable.Check the function of the hf cable in conjunction with the hf instruments (i.E.Activate the hf instruments as described in the relevant manual).7 application: warning! hf cables with defective, brittle or cracked insulation can cause burns to the user or patient.If the electrical line breaks, an arc can occur causing burns to the user or patient or start a fire, regardless of whether the insulation is also damaged or not.Never use or repair defective hf cables! always replace them.Do not modify hf cables! the monopolar cables may be operated at a maximum recurrent peak voltage of 4000 vp and the bipolar cables at max.1000 vp.
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