The initial failure description was that the rotaflow has a "battery failure".The reported failure occurred during patient treatment and the device was directly involved in the event.A getinge service technician was onsite on (b)(6) 2021 to investigate the affected rotaflow.The 701017188 batterypack ni-cd 24v 132wh has been replaced.The battery was due in a month for replacement.In addition the rotaflow drive (serial number (b)(4)) has had a preventative maintenance.All functional tests were performed and the calibration validated.The device has been cleared for clinical use.The most probable root cause for the "battery failure" could be determined according to the service technician as the lifetime of the battery was due.As a new battery needed to be installed in (b)(6) 2021.According to the instruction for use (instructions for use | 4.2 | en | 13; chapter 3.3.4 battery operation): check battery capacity every 6 months, at the latest.The battery must be replaced by the authorized technical service every 2 years, at the latest.The battery must be replaced sooner if it cannot be fully charged within 8.5 hours or if the system cannot be operated with the fully charged battery.The product in question was produced in 2015-07-27.The review of the non-conformities during the period of 2015-07-27 to 2021-01-28 does not show any non-conformity in regard to the reported product and failure.There is no indication that manufacturing issues occurred during this time, thus production related influences can be excluded.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.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.
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