The present invention describes a new artificial lung inserted within the human chest. The principles governing functionality of this device are gravity dependent rotation and separation of the oxygen from circulatory system by gravity, different diameters of pores on the oxygen tube with angled channels in the vertical mesh septum and incorporation of one-way valves. Other advantages of the design: it does not contain porous fibers and its inherent resilience and capacitance may play decisive role in long-term management of patients with respiratory failure and substituting need for lung transplants. Moreover, the design has a relatively small prime blood volume and takes into consideration prevention of right ventricular strain by maintaining pulmonary arterial pressure within the physiologic range. Its placement within pulmonary circulation in parallel anastomosis is considered to be least stressful for the heart. The relative simplicity of the device to prior art is another striking advantage.
