It was reported that the patient experienced ineffective therapy.As a result, surgical intervention was undertaken on an unknown date wherein the system was explanted to address the issue.It is unknown which lead is responsible for ineffective therapy.
Additional Manufacturer Narrative
Date of event is estimated.Additional components potentially involved in the event include: common device name: octrode lead kit, 60cm length, model: 3186, udi: (b)(4), serial: n/a, batch: 3820134.The results of the investigation are inconclusive since the device was not returned for analysis.Based on the information received, the cause of the reported incident could not be conclusively determined.