H.6.Investigation: photos received for investigation.Upon visual inspection, the photos show that the case is identified on the label with 25ga 3.5 in whitacre set with batch 1901013.Date of manufacture 16-jan.-19.And with reference 27ga 3.50in quincke lot1904005 date of manufacture 13-mar.-19.And 27ga 3.50in whitacre set lot 1903006 date of manufacture on 4-abr.-19.A device history review was performed for reported lot 1901013,1904005,1903006, no deviations or non-conformances were identified during the manufacturing process that could have contributed to this issue.The mix could not be produced in our manufacturing plant as these three batches did not cohere in the manufacturing plant.The cases are very manipulated and broken, the opening flap of the case which may give indications of manipulation after the manufacture, the boxes look very damaged which gives us an indication that they have been handled.Therefore, it can be concluded that there could not have been any mixing of products during sterilization, since there is a 2 month difference between the three batches.Possible root cause is associated with the distribution center.The lot was repackaged because the invoice was for a lower quantity than requested.In some of the distribution centers the cases are handled and repacked in other boxes to be sent to the customer, and it could happen that less needles are sent due to human error.
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