A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 5/08 (2006.01) A61B 5/029 (2006.01) A61B 5/083 (2006.01) A61B 5/087 (2006.01) A61B 5/091 (2006.01) A61M 16/08 (2006.01) A61M 16/00 (2006.01) A61M 16/20 (2006.01) A61M 16/22 (2006.01)
Patent
CA 2419622
An improved method of apparatus for determining: ~, ~A, and calculating ~CO2, P~ CO2 - oxy, true P~ CO2, PaCO2, pulmonary shunt, anatomical dead space, and O2 saturation in mixed venous blood; which increases the accuracy of these determinations and calculations in relation to known methods and apparatuses and allows for full automation thereof if necessary by: i) reading FGF to a sequential delivery circuit to create two sets of data for said determination utilizing the Fick equations; (or) ii) the P ET CO2 to PaCO2 gradient is calculated from two independently derived values in the same subject; (or) iii) utilizing the Kim-Rahn-Farhi technique a period of reducing FGF simulates complete or partial breath holding, wherein the P ET CO2 of each breath is equivalent to a sequential alveolar sample; thereby providing more relevant data to calculate desired parameters.
Azami Takafumi
Fisher Joseph
Iscoe Steve
Preiss David
Prisman Eitan
Azami Takafumi
Fisher Joseph
Hughes Ivor M.
Iscoe Steve
Preiss David
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