Patient information is unknown.Device is an instrument and is not implanted/explanted.Complainant part is not expected to be returned for manufacturer review/investigation.A review of the device history records has been requested.Device was used for treatment, not diagnosis.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.
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Additional narrative: a service & repair evaluation/review was attempted; the report indicates that the: no service history review can be performed as part number 399.99 with lot number(s) a7da25 is a lot/batch controlled item.The service history review is unconfirmed.Device history records review was attempted.The report indicates that the: manufacturing date: week 7 in 1994.The dhr is no longer available in tuttlingen due to the age of the instrument (over 23 years old).Therefore the exact date of manufacture is unknown.Product was not returned, device was discarded by the hospital.Based on the information available, this complaint will be accounted for and monitored via post market surveillance activities.Device used for treatment, not diagnosis.If additional information is made available, the investigation will be updated as applicable.Product was not returned.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.
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