Qn# (b)(4).The customer returned an opened cs-12122-e kit for evaluation.Visual examination of the sample revealed that the lidstock is taped down.Once the tape was removed, only the top of the kit remained sealed.The tray flange was examined and there is adhesive transfer where the pouch is currently unsealed.There are no gaps in the adhesive transfer and it appears as though the kit was once properly sealed along the border of the tray flange.Packaging engineering for this kit was contacted to further evaluate the sample.The engineers concluded that based on the fact there is adhesive transfer along the pouch, the opened portion is most likely not caused by a manufacturing issue.The initial condition of the seal could not be determined based on the fact that the set was returned opened; however, there are no indications that the initial seal was faulty.A device history record review was performed with no manufacturing issues identified.The customer's reported complaint of a sterility issue could not be confirmed based on the sample received.The customer returned an opened set for evaluation.The tray flange was examined and there is adhesive transfer where the kit was unsealed.There are no gaps in the adhesive transfer and it appears the kit was once properly sealed along the border of the tray flange.A device history record review was performed, and no manufacturing issues were identified.The packaging engineers for this kit were contacted to further evaluate the sample.The engineers concluded that because there is adhesive transfer along the tray flange, the opened portion is mostly likely not caused by a manufacturing issue.Based on the sample received and information provided by the manufacturing facility, the probable cause of this issue could not be determined.
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