Date of event (b3) and patient weight (a4) are estimated.Additional components potentially involved in the event include: common device name: scs lead, model: 3189, udi: (b)(4), serial: (b)(6), batch: 6557437.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.
Event or Problem Description
It was reported that the patient experienced ineffective therapy/coverage.Impedance check revealed low impedance on one the leads.Reprogramming was unable to resolve the issue.As such, surgical intervention may take place at a later date to address the issue.Investigation was unable to determine which of the lead had low impedance.