No patient information has been provided.According to provided information, the connection that disconnected was correctly secured with a tie (as per prduct ifu).The complained oxygenator, tubing and pump were requested for investigation.Dimensional analysis on the tubing revealed the inner diameter of the tubing was larger than defined by product specifications.A review of the dhr did not identify any deviations, non-conformities or material scrap/requests relevant to the reported issue.Base on above results, livanova believe the most probable root cause of the disconnection was the larger inner diameter of the tubing.Involved tubings are supplied by a livanova supllier.The supplied has been officially informed of the present event.The risk is acceptable.No other action was deemed necessary livanova maintains monitoring the market.
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