(b)(4).No visual or functional inspection can be performed since the device sample was not returned for evaluation.A device history record review could not be conducted since the lot number was not provided.Customer complaint cannot be confirmed, based on the lack of the device sample.It is necessary to have the physical sample in order to perform a properly investigation.If the device sample becomes available this complaint will be reopened.An attempt to duplicate the failure mode was made, but at the time there is no inventory of the involved product code (031-033j: nebulizer adaptor 033 , sterile,japanese) available at the facility.However regarding other customer complaints from this same issue, a capa file #(b)(4) was opened to perform a further investigation this issue.
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