(b)(4).The reported complaint is confirmed.The srt indicated that the blanket loop hanson fitting output has been removed and cleaned three different times to remove calcium stone blockage, but the light still came on.A defective flow switch was changed to correct the blanket light issue.New hanson fittings were also installed at this time as a precaution.The unit operated to manufacturer specifications and was returned to clinical use.A mdr remediation activity related to manufactured devices with a fda product code ¿dwc: controller, temperature, cardiopulmonary bypass heater cooler" was conducted.This report is a result of the ¿heater ¿ cooler response remediation protocol 02-jun-2016.
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