A device history review could not be completed, as no lot code was available. since no sample has been returned, we cannot determine a failure mode or definitive root cause.The plant¿s quality system mandates suitable in-process controls to measure seal integrity of representative samples.Currently, eighty-six samples are being tested for each lot produced of this product at predetermined locations to best gauge the seal integrity by pull test and functional leak testing.All samples pulled from these lots meet the predetermined criteria before they are released.It should be noted that the hot packs do not have any type of chemical or gaseous component that would cause the pack to explode and the chemicals used in the product are food grade and non-toxic.While there was no sample available to address this specific complaint, cardinal health conducted a stock check at its distribution centers to check the product and ensured that there are no product quality issues with the seals of the product.We continue to monitor and maintain awareness of the operators to ensure proper seals are made during production. .
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