A blood oxygenating device comprising an oxygenating chamber and a heat exchange chamber, the oxygenating chamber comprising a bubbler chamber and a mixing chamber. Oxygen is introduced into the bubbler chamber through a porous diffusion means situated near the inlet of the bubbler chamber. Bubbles pass...http://www.google.com/patents/US4297318?utm_source=gb-gplus-sharePatent US4297318 - Blood oxygenator
