Device has not been returned to sorin group (b)(4).Sorin group (b)(4) manufactures the sorin s5 system.The incident occurred in (b)(6).This medwatch report is filed on behalf of sorin group (b)(4).Sorin group (b)(4) received a report that the level control of the sorin s5 system failed to stop or control the arterial pump when the level alarm sounded and the level display became red during a procedure.The pump was stopped manually and there was no report of patient injury.A sorin group field service representative was dispatched to the facility to investigate, but was unable to reproduce the reported issue.The level alarm and the link with the roller pump performed as expected.All relevant connections were checked and no loose plugs or connectors were discovered.The roller pump was inspected internally and the level module was tested; no abnormalities were found.A serial readout was performed and sent to sorin group (b)(4) for evaluation which was unable to identify any software or hardware errors.The pump software was updated and the unit was released to the customer.As the issue was not reproduced, a root cause could not be determined and no corrective actions were identified.A review of the dhr was unable to identify any deviations or non-conformities relevant to the issue.Sorin group (b)(4) will continue to monitor the market for trends related to this type of issue.Service inspected the device on site.
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