The actual sample was received for evaluation.Visual inspection revealed that the actual sample was contained in an unopened original sterile bag and the support arm had come off the oxygenator module.The original sterile bag had been torn on the section that had contact with the support arm.The actual sample was taken out of the sterile bag for closer visual inspection.There was no deformity or no break in the joint parts on neither the support arm nor the oxygenator module.Visual inspection of the dislocated two clips, which had fixed the support arm and oxygenator, found that the claws had been deformed.Visual inspection found some abrasions on the lateral side of the reservoir and the backside of the oxygenator module.Reproductive testing was performed and a factory-retained oxygenator sample in the state of being packed in the unit-box was dropped from a height of 1.5m with each side of the box facing the ground (6-time drops).Subsequently, the unit-box was opened for inspection of the oxygenator packed inside it.The test result showed that the support arm was confirmed to be in place on the oxygenator with no damage generated on the unit-box.A factory-retained oxygenator sample in the state of being packed in the unit-box was dropped from a height of 3.5m with each side of the box facing the ground (6-time drops).Subsequently, the unit-box was opened for inspection of the oxygenator packed inside it.The test result showed that the support arm was found to have come off the oxygenator with some damage generated on the unit-box.The damage similar to that on the actual sample was duplicated.The actual sample was found that its oxygenator module had come off the support arm.Review of device history records and the shipping inspection record of the involved product/lot# combination was conducted with no relevant findings.Based on the provided information and investigation results, there is no definitive evidence that this event was related to a device defect or malfunction.It is likely that the actual sample was exposed to some shock force beyond the strength limit of this product during transportation or storage.However, the exact cause of the reported event cannot be definitively determined based on the available information.Terumo medical products (tmp) is submitting this report on behalf of ashitaka factory of terumo corporation (manufacturer) registration no.9681834.
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