FIELD: medical engineering.
SUBSTANCE: device has internal tube with threads at of ends. External surface of the free part of the external tube has longitudinally arranged angular ribs with rounded edge which length is equal to 1/2 of general curved tube length.
EFFECT: enhanced effectiveness in treating the disease and preventing from tracheal decubitus.
2 cl, 1 dwg
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Authors
Dates
2004-11-20—Published
2003-06-02—Filed