It was reported that the cardiohelp alarmed "arterial bubble sensor defective¿ during treatment.A getinge service technician was sent for investigation on 2021-11-30 and 2021-12-02/03.He could confirm the failure.He replaced the sensor panel to restore function.The unit was tested an put back in use.A similar failure was already investigated within another complaint by getinge life-cycle-engineering.A malfunction could be confirmed.In order to determine a root cause the digiflow pcb was sent to the supplier emtec gmbh.The most probable root cause could be confirmed as a damage of the digiflow mini by electro static discharge (esd).The digiflow mini is part of the replaced sensor panel.The device history record (dhr) of the cardiohelp (material: 701072780, serial: (b)(6), elo#: 1118549/v1) was reviewed on 2021-12-29.There is no indication that manufacturing issues occurred, thus production related influences are unlikely to have contributed to the reported failure.Based on this results, the reported failure "arterial bubble sensor defective" alarm could be confirmed.The occurrence rate was calculated for the reported issue and it was determined that this is not a systemic issue.Therefore, no remedial action is required.The occurrence rate related to the reported issue is currently being monitored as part of maquet cardiopulmonary¿s trending program and additional investigations or corrections will be implemented in case of adverse trending.
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