[Advantages of blood gas analyses of an improved ventilation bronchoscope (author's transl)].

During bronchoscopy in elder patients the development of respiratory acidosis is a hazard. A new and improved ventilation bronchoscope decreases the risk, which was demonstrated by blood gas analyses. This bronchoscope differs from those normally used in the following ways: 1. An inflatable cuff on the outer tube seals the bronchoscope like a breathing tube against the trachea. 2. This bronchoscope, although in the endobronchial position, improves the ventilation of the contraleateral lung aided by wider side holes lying above the bifurcation. 3. Jet-ventilation can be employed.