(b)(4).The reported complaint was confirmed.Manufacturer tech support staff advised the customer on how to clean the unit.The customer had been using cidex to clean the unit.The user facility stopped using cidex about a year ago and started using what manufacturer recommends (interchlor).The rubber hoses can deteriorate due to the chemical reaction with cidex.User error may have contributed to the particulate in the water.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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It was reported that during set-up of the device for a cardiopulmonary bypass procedure, particulate was found in the water of the cooler heater unit.The device was not changed out as "maintain" mode was used for both cooling and rewarming.The surgical procedure was completed successfully.There was no delay, no blood loss, nor adverse consequences to the patient.
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