(b)(4).A return authorization was arranged for the customer to send the aortascan back for evaluation.To date the device has not been returned.A letter dated may 29, 2014, has been sent to all customers, informing them of enhancements to the warning's in the user manual which provide additional guidance and awareness on the proper use of the aortascan.The operations and maintenance manual states that the aortascan is not a diagnostic device and is only intended as an initial screening tool.If clinically indicated, appropriate patients should be referred for a diagnostic standard (confirmatory) test, regardless of test results.
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