General information it was reported that during the preparation for a surgery (preoperative), an employee of the hospital has cut herself on a sharp edge on one of the products received.Four products (dishes) have been received without packaging in a used condition, decontaminated.Consequences for the patient based on the information available, the damage is considered as temporary damage that will heal fully and will most likely not negatively influence the patient in the future.Investigation the products have been visually checked and pictures were taken with camera and microscope.Furthermore, the edging of all dishes have been manually checked for sharp positions.Two dishes were found to have a sharp spot on the edging; one was only very little and hard to recognize; however, on one dish, the spot was clearly feelable.Batch history review: the traceability of articles without batch management requirement is guaranteed by the production order number, which can be traced over the production period and the corresponding customer (backtrack).In addition, the raw materials, semi-finished parts, etc.Used for the order are documented in the manufacturing history records (dhr - device history records).This ensures the traceability of the internal supply and production chain.Internal traceability is thus guaranteed.Conclusion and root cause: based on the observations and findings made on the returned products as well as the reported information, the issue is most likely related to handling and / or normal wear.Rationale: from all four received dishes, one had an area on the edging which could be identified as "sharp-felt".This is based on the investigation results the one dish which has caused the cut to the employee as reported.The other dishes were not remarkable in regards to sharp edges or areas.All dishes showed signs of usage and wear and tear.No other dish had a sharp area which could be related to the reported issue.During the investigation, it was not possible to identify indicators for material or manufacturing issues that could have led to a sharp edge.Based on those findings and without further information, the area of the sharp edging is very likely caused by regular wear and tear in combination with handling influences (slipping on tray, denting on harder surfaces or even dropping).Corrective action: according to sop (b)(4) (corrective action and preventive action), a capa is not necessary.
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