Method and system for regional assessment of pulmonary function

A - Human Necessities – 61 – B

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A61B 7/00 (2006.01)

Patent

CA 2677381

A method and system for regional assessment in two or more regions of an individual's lungs. The system includes a plurality of transducers configured to be fixed over the thorax. Each transducer generates a signal indicative P (x i , t) of pressure waves at the location of the transducer. The transducers are divided into subsets, where each subset overlies a specific region of the two or more regions. An energy assessment signal is calculated from each of the signals P (x i , t). For each region, an assessment of the region is calculated from the energy assessment signals of the region.

L'invention concerne un procédé et un système permettant de mettre en AEuvre une évaluation régionale dans deux ou davantage de régions des poumons d'un individu. Ce système comprend une pluralité de transducteurs conçus pour être fixés sur le thorax. Chaque transducteur produit un signal P (xi, t) indiquant les ondes de pression présentes à l'emplacement du transducteur. Les transducteurs sont divisés en sous-ensembles, chaque sous-ensemble recouvrant une région spécifique desdites régions. Un signal d'évaluation d'énergie est calculé à partir de chacun des signaux P (xi, t). L'évaluation de chaque région est calculée à partir des signaux d'évaluation d'énergie de la région.

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