According to the customer: shortly after changing the hls set, there was visible thrombus in oxygenator, despite adequate levels of aptt and act.The platelets level was going down and p was raising.After 3 days during the platelets transfusion p very fast went high (over 120 mmhg).It was not possible to use this hls set any longer.Additional information: there were no negative consequences for the patient.(b)(4).
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Maquet medical systems,usa(importer)submits this report on behalf of the legal manufacturer of the device maquet cardiopulmonary ag kehler strasse 31, 76437 rastatt, germany.A follow-up medwatch will be submitted when additional information becomes available.Reference exemption # e2018002.Importer- (b)(4).Contact person- (b)(6).During the rinsing of the hls oxygenator and the optical examination, strong clotting in the oxy was found.How and why these occlusions occurred during application in the clinic could not be traced.A supplemental medwatch will be submitted if additional information becomes available.
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