Apparatus and method for capnography-assisted endotracheal intub

Details Apparatus and method for capnography-assisted endotracheal intub Apparatus and method for capnography-assisted endotracheal intub

1993-10-08

1995-08-29

Hindenburg, Max

Surgery

Truss

Pad

128 10, A61B 500

Patent

active

054451612

ABSTRACT:
Apparatus and method for securing an airway of a patient using gas capnography. Multiple gas-aspirating conduits are included upon a flexible and steerable tube or stylet. The conduits transport gases including carbon dioxide (CO.sub.2) exhaled from the airway (trachea) of a patient. The concentration or strength of the CO.sub.2 transported through each conduit is analyzed and converted into a graphic display (capnograms) on the monitor of a personal computer. When the stylet is in the main stream of the gas path emitting from the patient's trachea, the CO.sub.2 reading for the capnograms relative to each conduit will be substantially equal. Manipulating the flexible stylet to maintain substantial identity of the capnograms provides a guide to the location of the patient's trachea. Once the stylet is guided into the trachea, an endotracheal tube can be slipped over the stylet in the usual manner and intubation thereafter accomplished to gain control of the patient's airway.

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