A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 16/04 (2006.01)
Patent
CA 2093663
A method and apparatus for intratracheal ventilation (ITV) and intratracheal pulmonary ventilation (ITPV) in which a catheter (1) positioned in a patient's trachea at the carina (6) supplies a constant supply of fresh oxygen containing gas (13, 14, 15) to flush anatomical dead space. By positioning the catheter (1) in the patient's trachea, the dead space of the trachea is by- passed and the trachea is only utilized for expiration. By providing a timed expiratory valve (9) in the ITPV mode, lower pres- sures and fresh oxygen flow rates may be utilized with respiratory rates from 10 to 120/min. or higher.
Mccarthy Tetrault Llp
U.s. Departm Ent Of Commerce The United States Of America Represented By The Secretary
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