(b)(6).(b)(4).Investigation results: visual examination of the returned complaint device found the balloon burst.No more damage found on the device.Functional analysis could not be performed due to the returned condition of the balloon.This failure is likely due to factors or conditions related to the procedure that could have affected its performance and its intended purpose such as; the manner as the device was handled, and/or the interaction with the scope during the procedure.Therefore, the most probable root cause is adverse event related to procedure.A review of the device history record (dhr) was performed and confirmed that this device met all material, assembly and performance specifications.
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