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Sorin group italia manufactures the inspire 8f hollow fiber oxygenator.The incident occurred in karachi, pakistan.Per exemption number e2016005, sorin group italia s.R.L.Is submitting the report for both sorin group italia s.R.L (manufacturer) and livanova usa., inc.(importer).In the initial report, it was incorrectly stated that the involved device had been requested for return to sorin group italia for investigation.The event occurred on (b)(6) 2018.The customer notified sorin group italia only two months later.Based on previously investigate similar cases, sorin group italia had determined that after a certain length of time has elapsed between the event date and the investigation date, the physical investigation of the device is not capable of yielding meaningful results.Therefore, the unit has not been requested for return.The pump sheet for the event has not been provided.A review of the dhr of the oxygenator lot confirmed that the device was released in compliance with manufacturer specifications.Based on evidence from previously investigated cases, sorin group italia believes the most likely root cause of the reported increased pressure issue to be platelet adhesion and fibrin layer deposition inside the oxygenator.The most probable cause for the platelet adhesion and fibrin deposition is multi-factorial and includes the clinical procedure (e.G surgical material), therapies (e.G.Anticoagulant prescription, heparin composition and priming composition) and patient specific health conditions.The failure appears to not be device-specific.Too much time elapsed from event date.
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