It was reported that during generator replacement surgery on (b)(6) 2014 due to end of service, the septum plug from the vns patient¿s replacement generator had detached from the generator.The surgeon was able to reinsert the septum plug, tighten the septum screw, and successfully implant the replacement generator.No complications were occurred during surgery that may have caused or contributed to the detachment of the septum plug.The patient¿s replacement generator was tested with the existing lead outside and inside the generator pocket, and diagnostic results showed lead impedance within normal limits.
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