(b)(4).A maquet field service technician has been sent out for investigation on 2019-04-16.The technician troubleshooted the device and could confirm that the hose from the reservoir to the 3-way valve is attacked and damaged by disinfection and decalcification.The data is also being handled through a designated maquet cardiopulmonary trending and applicable investigation process.Due to this no further investigation initiations will be completed at this time.According to the service order (b)(4) dated on 2019-04-23: date: 2019-04-16: checked the hcu40.Water flows out of the device on the patient side.Search for leakage.The hose from the reservoir to the 3-way valve is damaged and torn by disinfection and decalcification.The hose must be replaced.The incident occurred on (b)(6) 2019 during surgery.There was no injury to the patient, the surgery could be continued after immediate replacement of the hcu40.Date: 2019-04-23: replacement of the defective hose.Hose insulated with armaflex, device fully tested for function and tightness.Diagnostic program has run successfully and without error.Hcu40, sn: (b)(4) is ready for use again.Since the reported failure did not contribute to a death or serious injury no corrective action is needed.In addition at this time it cannot be concluded that this is a systemic error.No corrective action is needed.
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