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Concomitant medical products: other relevant device(s) are: product id: 945eex901, serial/lot #: (b)(4)/215046297, udi#: (b)(4) ; product id: 945daq916, serial/lot #: (b)(4)/212935723, udi#: (b)(4).Analysis on serial number #(b)(4) found broken cosmetic nuts.The cosmetic nuts were replaced.The device was repaired, tested, and passed manufacturing specifications.Analysis on serial number #(b)(4) found a loose connector port and a missing cosmetic nut.The cosmetic nut was replaced.The device was repaired, tested, and passed manufacturing specifications.Analysis on the amplifier found a defective front-end board and middle board.The affected parts were replaced.The device was repaired, tested, and passed manufacturing specifications.(b)(4).If information is provided in the future, a supplemental report will be issued.
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