Identification of dynamic hyperinflation using a combination of expiratory flow and respiratory carbon dioxide signals.

Stephen E. Rees (Inventor), S Larraza (Inventor), Dan S. Karbing (Inventor)

Research output: Patent

Abstract

The present invention relates to a method for identification of an increase in the gas volume of the lung caused by the inability of a patient to expire completely, known as dynamic hyperinflation or gas trapping. The method applies analysis of a patient´s pattern of expiratory flow, along with the pattern of respiratory, e.g. expiratory, carbon dioxide level, for example the capnography signal. Analysis of these signals enables identification of dynamic hyperventilation, along with identification of change in the degree of dynamic hyperinflation indicating improvement or worsening in the patient state.
Original languageEnglish
Patent numberWO2017/000961A1
IPCA61B5/083
Publication statusPublished - 5 Jan 2017

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Rees, Stephen E. (Inventor) ; Larraza, S (Inventor) ; Karbing, Dan S. (Inventor). / Identification of dynamic hyperinflation using a combination of expiratory flow and respiratory carbon dioxide signals. IPC No.: A61B5/083. Patent No.: WO2017/000961A1.
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abstract = "The present invention relates to a method for identification of an increase in the gas volume of the lung caused by the inability of a patient to expire completely, known as dynamic hyperinflation or gas trapping. The method applies analysis of a patient´s pattern of expiratory flow, along with the pattern of respiratory, e.g. expiratory, carbon dioxide level, for example the capnography signal. Analysis of these signals enables identification of dynamic hyperventilation, along with identification of change in the degree of dynamic hyperinflation indicating improvement or worsening in the patient state.",
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Identification of dynamic hyperinflation using a combination of expiratory flow and respiratory carbon dioxide signals. / Rees, Stephen E. (Inventor); Larraza, S (Inventor); Karbing, Dan S. (Inventor).

IPC No.: A61B5/083. Patent No.: WO2017/000961A1.

Research output: Patent

TY - PAT

T1 - Identification of dynamic hyperinflation using a combination of expiratory flow and respiratory carbon dioxide signals.

AU - Rees, Stephen E.

AU - Larraza, S

AU - Karbing, Dan S.

PY - 2017/1/5

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N2 - The present invention relates to a method for identification of an increase in the gas volume of the lung caused by the inability of a patient to expire completely, known as dynamic hyperinflation or gas trapping. The method applies analysis of a patient´s pattern of expiratory flow, along with the pattern of respiratory, e.g. expiratory, carbon dioxide level, for example the capnography signal. Analysis of these signals enables identification of dynamic hyperventilation, along with identification of change in the degree of dynamic hyperinflation indicating improvement or worsening in the patient state.

AB - The present invention relates to a method for identification of an increase in the gas volume of the lung caused by the inability of a patient to expire completely, known as dynamic hyperinflation or gas trapping. The method applies analysis of a patient´s pattern of expiratory flow, along with the pattern of respiratory, e.g. expiratory, carbon dioxide level, for example the capnography signal. Analysis of these signals enables identification of dynamic hyperventilation, along with identification of change in the degree of dynamic hyperinflation indicating improvement or worsening in the patient state.

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