The reported failure "head error" occurred during patient treatment.The device has been exchanged.No patient harm occurred.The affected drive with s/n (b)(6) was sent back to manufacturer for repair.On 2021-05-10 emtec was able to reproduce the reported failure and the root cause was determined as misuse of the device, which lead to a damage circuit board mc1 and mc2.These were replaced by the supplier.A device history review (dhr) was performed on 2021-02-19 and the dhr does not show any abnormality or issue that is related or can have led to the customer.Based on these investigation results the reported failure could be confirmed.In order to avoid reoccurrence of the reported failure, the user will be informed to follow the chapter in the instruction for use heart-lung support system rotaflow system| 4.2 | en | v13.Chapter 4.1.3: switch off the rotaflow console on/off switch before connecting the rotaflow drive to or disconnecting it from the rotaflow console.Otherwise the rotaflow console may be damaged.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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