(b)(4).A follow-up medwatch will be submitted when additional information becomes available.(b)(4).Contact person- (b)(6).The 3 hls sets were returned for further investigation at maquet laboratory.According to investigation report: during visual inspection it has been detected that at all 3 beutel reservoirs the wrong luer lock has been connected to the de-airing tube.Therefore de-airing of the priming-bags ((b)(6), material# (b)(4)) are not possible.Thus the failure could be confirmed.A capa has been initiated on 2018-05-16.Further investigation will be handled within the capa (b)(4).On 2018-07-27: during (b)(4) the issue has been evaluated by maquet clinical risk management with following result: due to possible delay of treatment, caused by the replacement of the set, there will be a risk to the patient in case of recurring.
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