During surgery the container was opened and the customer realized that the filter holder has fallen into the container.So sterility was not sure.The container lid is in a used condition, several scratches are visible.The retention plates are also used, but no severe damage can be identified.The products were analyzed visually and several function test were carried out.The product does not require batch management; a review of the device quality and manufacturing history records is not possible.Based on the information available as well as a result of our investigation the root cause of the failure is most probably user related.Recreated the described error, but the retention plates, so we can exclude a production or material caused error.Most likely the retention plate was not assembled probably during the mounting.According to sop sa-de13-m-4-2-01-010 a capa is not necessary.The current failure rate is within the risk analysis and therefore acceptable.
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