The returned valve was patent.It met the requirements for valve flux, reflux, leak, preimplantation and pressure-flow testing.Therefore, the nature of the complaint could not be replicated by laboratory personnel.There was proteinaceous debris noted within the exterior of the valve.The outlet of the valve was discolored.It is unknown how or when this discoloration occurred.All valves are 100% tested at the time of manufacture.If information is provided in the future, a supplemental report will be issued.
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