Lot number of the device not provided by the complainant, therefore the expiration date is not known.The device is not being returned therefore, a failure analysis of the complaint device cannot be completed.Lot number of the device not provided by the complainant, therefore the manufacture date is not known.Device history record (dhr) review was unable to be conducted for the disposable device as the lot number was not provided by the complainant.If additional relevant information is received, a supplemental medwatch will be filed.(b)(4).
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