An apparatus for injecting a fluid into the heart and making temperature measurements within the pulmonary artery comprising an elongated flexible tube having a distal end portion, a temperature sensor mounted on the distal end portion, a peripheral wall, at least one lumen extending longitudinally within...http://www.google.fr/patents/US4745928?utm_source=gb-gplus-shareBrevet US4745928 - Right heart ejection fraction and cardiac output catheter
Right heart ejection fraction and cardiac output catheter
