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The manufacturer received information alleging a patient's blood oxygen level was 70% and not increasing when using the simplygo mini oxygen concentrator.The patient was placed on hospital oxygen and was then provided a new device.The patient's blood oxygen level recovered.The device was returned to the manufacturer's service center for evaluation.The manufacturer found the device to have a system alarm and sieve alarm logged.The compressor and sieve canister were replaced to address the issue.A leak was found during the evaluation, the sieve o2 assembly was replaced to address the issue.The device is not a life sustaining or life supporting.Product labeling states,"the oxygen delivery settings of the oxygen concentrator should be periodically reassessed for the effectiveness of the therapy.".
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