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- Warit Wichakool, Brandon Pierquet, Keith Durand, Byron Hsu, Rob Sheridan, and Hongshen Ma.
- Electrical Engineering at Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
- Conf Proc IEEE Eng Med Biol Soc. 2008 Jan 1; 2008: 985-8.
AbstractThis paper describes an accurate, economical, and portable device that helps to locate the position of an endotracheal tube (ETT) in situ. The device uses an array of magnetic field sensors to detect an anomaly in magnetic field caused by magnet embedded near the cuff of an ETT, and displays an intuitive map of relative magnetic field intensity under the sensor area. The device provides real-time feedback of the position to a clinician, so that corrective measures can be taken if the ETT is determined to be outside of normal positioning with respect to the patient's airway. Variations of the proposed design are suitable for continuous monitoring.
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