870.4210—Cardiopulmonary bypass vascular catheter, cannula, or tubing.
        
        (a) Identification.
         A cardiopulmonary bypass vascular catheter, cannula, or tubing is a device used in cardiopulmonary surgery to cannulate the vessels, perfuse the coronary arteries, and to interconnect the catheters and cannulas with an oxygenator. The device includes accessory bypass equipment.