Method and apparatus for determining alveolar opening and...

Details Method and apparatus for determining alveolar opening and... Method and apparatus for determining alveolar opening and...

A - Human Necessities

61

B

A61B 5/05 (2006.01) A61B 5/053 (2006.01) A61B 5/08 (2006.01)

Patent

CA 2354395

The invention refers to a method for the regional determination of the alveolar opening and alveolar closing of the lung depending on the respiration pressure, wherein according to the method of electrical impedance tomography, an impedance signal is measured in at least one lung zone depending on the respiration pressure. The alveolar opening or closing of a lung zone is determined, in particular to enable an improved artificial respiration.

La présente invention concerne un procédé permettant de calculer pour une région du poumon l'ouverture alvéolaire ainsi que la fermeture alvéolaire d'après de la pression respiratoire. En l'occurrence, on procède par tomographie d'impédance pour mesurer, en fonction de la pression respiratoire, un signal d'impédance dans au moins une zone du poumon. La connaissance de l'ouverture ou de la fermeture alvéolaire d'une zone du poumon permet notamment d'améliorer la respiration artificielle.

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