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Catheters that are designed for percutaneous or surgical insertion into the trachea to the lung bronchial tree. These catheters usually consist of a thin tube (5 Fr mm in diameter) with an end hole; they are introduced into the trachea through a puncture wound between two of its upper rings using a needle and a guide wire. Transtracheal catheters permit normal speech, cough, and expectoration.
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