| 摘要 |
A tracheal tube for artificial respiration of tracheostomized patients has a cuff that surrounds and seals the proximal part of the tube capable of being concentrically inserted into the trachea, and a bent area arranged above said cuff, as well as an inner tube that may be concentrically inserted into the tube through its distal end. A breathing-out opening is provided in the tube above the trachea-sealing cuff as well as in the continuation of the longitudinal axis of the bent part that may be inserted into the trachea. In its area located below the breathing-out opening, the inner tube has a recess at least partially covered by an elastic membrane that acts as a valve. At its proximal end, the inner tube has an area with a tapered cross section. |
