Miniature acoustic guidance system for endotracheal tubes

  title={Miniature acoustic guidance system for endotracheal tubes},
  author={Eduardo J. Juan and Jeffrey P. Mansfield and George R. Wodicka},
  journal={IEEE Transactions on Biomedical Engineering},
Ensuring that the distal end of an endotracheal tube (ETT) is properly located within the trachea, and that the tube is not obstructed by mucus deposition, is a major clinical concern in patients that require mechanical ventilation. A novel acoustic system was developed to allow for the continuous monitoring of ETT position and patency. A miniature sound source and two sensing microphones are placed in-line between the ventilator hose and the proximal end of the ETT. Reflections of an acoustic… CONTINUE READING
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