On (b)(6) 2007, a 27mm sjm regent heart valve was implanted.On (b)(6) 2017, the valve was explanted due to endocarditis.During the investigation of the explant, internal manufacturing records showed that the explanted device was implanted 10 months after its use by date of (b)(6) 2007.Abbott requested the implanting md review hospital medical records and to confirm the serial number and use by date.After review, the md confirmed that the internal information was accurate and at the time of initial implant, the hospital only stocked single sizes of valves and the expired valve was the only 27mm valve available for implant.
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