Method and device for carrying out a signal-processing viewing of a measurement signal that is correlated to the respiratory activity of an individual
First Claim
1. A method of carrying out signal-processing consideration of a measurement signal related to the respiration activity of a person, in particular for matching pressure regulation in the administration of a breathable gas at a pressure level which at least in phase-wise manner is above the ambient pressure, characterised in that in the context of signal-processing consideration of the measurement signal indicative of the respiratory gas flow evaluation results are generated, which permit differentiation between obstructive and central breathing disorders.
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Abstract
The invention relates to a method and device for carrying out a signal-processing viewing of a measurement signal that is correlated with the respiratory activity of an individual, for example, of a measurement signal that is correlated with the respiratory gas. The aim of the invention is to provide solutions with which an improved electronic analysis of the signals that are representative with regard to respiratory activity can be achieved. To this end, the invention provides that viewing results are obtained within the scope of a signal-processing viewing of said measurement signal and make a differentiation between obstructive and central respiratory disorders possible. The viewing results are determined, in particular, while taking into account changes of selected breathing characteristics such as, for example, the change in the ratio of inhalation time to exhalation time.
61 Citations
28 Claims
- 1. A method of carrying out signal-processing consideration of a measurement signal related to the respiration activity of a person, in particular for matching pressure regulation in the administration of a breathable gas at a pressure level which at least in phase-wise manner is above the ambient pressure, characterised in that in the context of signal-processing consideration of the measurement signal indicative of the respiratory gas flow evaluation results are generated, which permit differentiation between obstructive and central breathing disorders.
- 25. Apparatus for supplying a respiratory gas to a patient at a pressure level which is above the ambient pressure at least in phase-wise manner, comprising a delivery device for delivering the respiratory gas, a measuring device for generating a signal indicative in respect of the respiratory gas flow, a regulating device for regulating the respiratory gas pressure to a predetermined reference pressure, and a pressure presetting device for presetting the reference pressure, characterised by a signal processing device which is configured in such a way that on the basis of a variation in respiratory cycle-specific reference features, it generates an evaluation result which is indicative of whether or to what extent a prevailing or imminent breathing disorder is of obstructive or central origin and that the reference pressure is determined having regard to said evaluation result.
- 27. An evaluation apparatus for evaluation of a series of measurement data which contains items of information indicative in respect of the pattern in respect of time of the breathing of a patient, including a signal processing device which is configured in such a way that on the basis of a variation in respiratory cycle-specific reference features, it generates evaluation results which are indicative of whether or to what extent the measurement series contains sequences which are to be classified as a breathing disorder of obstructive or central origin.
Specification