Since the lot number could not be provided a review of the specific device history record (dhr) could not be completed.Since no sample was provided a more detailed investigation could not be completed.However, the plant¿s quality system mandates suitable in-process controls to measure seal integrity of representative samples.Fifty-five samples are pulled during production of each lot and tested at predetermined locations to best gauge the seal integrity by pull test and functional leak testing.All samples pulled during the manufacture of each lot, must meet the predetermined criteria before it will be released.It should be noted that the solution used in the product is food grade and not considered a safety risk.In addition, the product does not produce a gas or an output that would cause it to ¿blow¿.Since no sample was returned for this complaint, the failure mode could not be determined.(b)(4).
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