It was reported that there were small cracks in the clear plastic exterior of the oxygenator.The failure occurred during treatment.Afterwards the information was received that the hls set was not exchanged and used further with no leakage.The affected hls set was investigated by the getinge laboratory on 2023-05-26 with following conclusion: the visual inspection was performed but cracks could not be confirmed, instead of that these were identified as flow lines.A leak test was performed to confirm the flow lines, thus no leakage could be detected.The reported failure crack in the clear plastic of the oxygenator could not be confirmed.Another hls set was complained as crack, but was also identified as flow lines.According to the instruction for use (ifu, hls set advanced 6.0/7.0, hit set advanced 5.0/7.0) it is stated in chapter 6.1 ¿preparation and installation¿ that the user should perform a careful visual inspection of the device before use.In particular, ensure there is no damage to the material, cracks, burrs or fissures.The production records of the affected hls module were reviewed on 2023-05-30.According to the final test results, the hls module passed the tests as per specifications.Production related influences are unlikely.Based on the results the reported failure "cracks in the clear plastic of the hls set" could not be confirmed.The customer will be informed about the results by the getinge sales and service unit.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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