Upon receipt, the lead under complaint was subjected to an extensive analysis.The performance of the lead was scrutinized, including a visual, mechanical and electrical inspection.The analysis revealed the presence of coagulated blood near the lead tip.These blood residuals were most likely introduced by means of the guide wire used during the implantation procedure.However, a thorough analysis of the lead did not show any deviations which might have led to the reported clinical observations.Prior to the analysis of the device, the quality documents accompanying the manufacturing process for this device were re-investigated.All production steps were performed accordingly, and in particular the final acceptance test proved the device functions to be as specified.In conclusion, the analysis did not reveal any sign of a material or manufacturing problem.
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