870.4350—Cardiopulmonary bypass oxygenator.
        
        (a) Identification.
         A cardiopulmonary bypass oxygenator is a device used to exchange gases between blood and a gaseous environment to satisfy the gas exchange needs of a patient during open-heart surgery.
    
    
        
        (b) Classification.
         Class II (special controls). The special control for this device is the FDA guidance document entitled “Guidance for Cardiopulmonary Bypass Oxygenators 510(k) Submissions.”