Device for intratracheal ventilation and intratracheal pulmonary

Details Device for intratracheal ventilation and intratracheal pulmonary Device for intratracheal ventilation and intratracheal pulmonary

1990-10-31

1993-10-26

Burr, Edgar S.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820425, 12820424, 12820714, A61M 1600, A62B 700, A62B 906, F15C 108

Patent

active

052556751

ABSTRACT:
A method and apparatus for intratracheal ventilation (ITV) and intratracheal pulmonary ventilation (ITPV) in which a catheter positioned in a patient's trachea at the carina supplies a constant supply of fresh oxygen containing gas to flush anatomical dead space. By positioning the catheter in the patient's trachea, the dead space of the trachea is bypassed and the trachea is only utilized for expiration. By providing a timed expiratory valve in the ITPV mode, lower pressures and fresh oxygen flow rates may be utilized with respiratory rates from 10 to 120 breaths per minute or higher. The catheter has a diffuser tip, and the patient is ventilated at a flow rate between 0.54 to 4 times the anatomical dead space per breath.

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