The malfunctioning device will be returned to vygon for evaluation as part of the complaint investigation.The user wrote that it could be a device quality defect or an event not related to the devices.The batch review shows that it complies to its specifications.All these umbilical catheters are 100% tested for non-obstruction during the manufacturing process.Furthermore, the retained sample has been checked, it is compliant.No catheter obstruction were noticed.We have also checked our complaint's history, these are the first complaints on this batch.
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We received both samples for investigation, one umbilical catheter and one umbilical catheter connected to an extension line: blood was in one catheter, it was eliminated for testing.We performed an air non obstruction test in water, with both cathter we noticed air bubble.Then, a flush test with a solution was done,with both catheter we can noticed the flow of solution.The catheters are not obstructed.Furthermore, we recommend in the ifu to flush the catheter before and after each use with saline solution.These events are not due to a device defect.The alarm seems not related to a device defect.
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