H6: investigation summary this memo is to summarize findings regarding the complaint related to catalog number 221800 plate mueller hinton ii agar 24 ea, batch number 1246433, and complaint number (b)(4) for contamination.During manufacturing of material 221800, media is formulated and sent through a high temperature short time sterilizer to remove bioburden.The petri dishes are subjected to uv radiation to decrease bioburden.The petri dishes are filled in a positive pressure hepa filtered environment.The filled plates are cooled and immediately wrapped into sleeves to decrease the introduction of microbes.Sleeves are then packaged into cartons and then transferred to a refrigerated truck (2 to 8 degrees c) for shipment to the distributor.Bd distributors are provided with the storage guidelines for the shipping and handling of bd media of 2 to 8 degrees c in a dark place.The batch history record for batch 1246433 was satisfactory and no quality notifications were generated during manufacturing and inspection.The release testing that is performed on this product does include bioburden testing.A sample of plates are incubated at 25 degrees c and at 35 degrees c for approximately 72 hours.All bioburden testing performed on this batch was satisfactory per bd internal procedures.Affected product does not have any sterility claims; the product is tested for bioburden prior to release to ensure that it conforms to product specifications.However, this does not ensure that the end-user will not receive a contaminated plate.The complaint history was reviewed, and no other complaints have been taken on batch 1246433.Retention samples from batch 1246433 were not available for inspection.Four photos were received for investigation.One photo shows the side of a sleeve with one plate and microbial growth is visible in one plate.Another other photo shows a close up of the bottom of a plate with microbial growth in the media.The third photo shows a plate, lid side up, from batch 1246433 (time stamp 1227) with bacterial growth on the surface.No return samples were received for investigation.This complaint can be confirmed.This product does not have a sterile claim.Based on the low defect rate for this batch, no actions are planned at this time.Bd will continue to trend complaints for contamination.H3 other text : see h10.
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