Apparatus for monitoring the presence of secretions in the respiratory system of a patient
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Abstract
An apparatus for monitoring the presence of secretions in an artificial respiratory system comprises at least one sensing element (20) to detect waves generated by said secretions and output a main signal (50), representative of at least one main parameter characteristic of the waves; a first processing block (30) connected downstream of said first sensing element (20), is set to input the main signal (50) and to generate a corresponding main output alarm signal (51), in the case in which the main parameter has a greater value than a predetermined threshold value.
14 Citations
55 Claims
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1-21. -21. (cancelled)
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22. An apparatus for monitoring the presence of secretions in the respiratory system of a patient provided with a respiratory prothesis, having at least one tubular duct consisting of a first portion at least partly insertable in the patient'"'"'s orotracheal cavity and of a second portion to be positioned externally of the tracheal cavity, further comprising:
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at least one sensing element to be associated with the tubular duct to detect waves generated by said secretions and output a main signal, representative of at least one main parameter characteristic of said waves, said main signal being defined by one or more spectral components, each having a respective amplitude;
a first processing block, connected downstream of said first sensing element and set to input said main signal and generate a corresponding main output alarm signal, when said main parameter has a value greater than a predetermined threshold value. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55)
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Specification