The concerned product could not be provided by the customer, but the surgically removed part.The returned part was investigated and could be confirmed as a part of the guidewire core and partially uncoiled wire.The surface of the fracture of the guidewire core is rough with a rejuvenation and several parts of the wire showed kinks.The rough surface and rejuvenation is an indication that excessive force was used during the insertion procedure.Information provided by the customer confirmed that there was no initial malfunction of the guidewire as the guidewire could be inserted without any problems.The complaint rate of similar complaints considering all kind of picco catheters is low (<0,01 %).A review of the dhr could not be performed for the involved catheter as the lot number could not be provided.All potentially relevant batches have been reviewed.It could not identify any non conformities or deviations relevant to the reported issue.The picco technology is used for advanced hemodynamic monitoring.Based on the information provided by the customer and the investigation results it is considered as unlikely that the device did not meet its specifications.The root cause is seen in a handling error by the user, as the ifu indicates: ¿if resistance is encountered when removing the guide wire, the guide wire could be kinked about tip of catheter within vessel.In this case withdraw the catheter by 2 to 3 cm and try again to remove the guide wire.Use of excessive force may tear off the guide wire.Therefore, guide wire and catheter are to be removed simultaneously.¿.
|