There was no known patient involvement.The heater-cooler 16-02-80 is not distributed in the usa, but it is similar to heater-cooler 16-02-85, which is distributed in the usa (510(k) number: k052601).Livanova (b)(4) manufactures the heater-cooler system 3t.The incident occurred in (b)(6).A livanova field service representative was dispatched to the facility to investigate.He was able to confirm the reported issue.After opening the device, he had noticed that the float assembly was sticking in the upper position even though the water level dropped.The service representative suspected this failure because of a misassembly of the complete sensor onto the tank bridge.In order to fix the issue, he loosened the sensor assembly and re-positioned it to it's correct position in the tank bridge.Furthermore, extensive soak testing by filling and emptying the tank was performed without further issues.A functional check and a test run was performed and passed with no further issues.The device was returned to service.A review of the dhr could not identify any deviations or non-conformities relevant to the issue.Device evaluated onsite by rep.
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