Abstract: The invention relates to a monitoring and/or respiratory assistance apparatus that can be used during a cardiopulmonary resuscitation (CPR) with successive chest compressions of duration (dt) performed on the patient and with relaxations, said apparatus comprising a CO2 content measurement sensor (10) a graphical user interface (14), and signal-processing system (11) configured to process the CO2 content measurement signals in such a way as to determine at least one maximum CO2 content value (Vmax) and at least one minimum CO2 content value (Vmin), during at least one duration (dt) of at least one chest contraction, and then to calculate at least one airway opening index AOI or mean index AOImean on the basis of the CO2 content values. Said one or more indices are displayed on the GUI in the form of numerical values or graphical representations, especially curves or pictograms.

Abstract: The invention relates to a respiratory assistance apparatus for delivering a respiratory gas, such as air, to a patient during cardiopulmonary resuscitation (CPR), having a source (1) of respiratory gas, means (4) for measuring the CO2 content, and signal-processing and control means (5). The signal-processing and control means (5) are configured to process the CO2 content measurement signals corresponding to measurements performed by the CO2 content measurement means (4) during a given period of time (dt), and to calculate at least one mean CO2 content value (Vmean) from the maximum CO2 content values (Vmax) obtained over the time window (Ft), and to transmit said at least one mean CO2 content value (Vmean) to the graphical user interface (7) which displays it.

Abstract: Disclosed is a method of controlling a respiratory assistance apparatus delivering a flow of gas, particularly a flow of air, having the steps of measuring at least one parameter indicative of the flow of gas; converting at least one parameter indicative of the flow of gas into at least one signal indicative of the flow of gas; processing at least one signal indicative of the flow of gas in order therefrom to deduce at least one item of information relating to cardiac massage being performed on a patient in cardiac arrest; on the basis of at least one deduced item of information, automatically selecting a given ventilation mode from among a number of stored ventilation modes, and controlling the respiratory assistance apparatus by applying the selected ventilation mode. Respiratory assistance apparatus capable of implementing this control method.

Abstract: The invention concerns an artificial resuscitation bag (5) comprising a deformable bag (54) comprising a gas inlet (54A) and a gas outlet (54B), a gas reservoir (59) comprising an outlet orifice (59A), a first conduit element (56) fluidly connected to the outlet orifice (59A) of the gas reservoir (59) and to the gas inlet (54A) of the deformable bag (54), a first one-way admission valve (57) arranged in the first conduit element (56) and fluidly communicating with the ambient atmosphere for allowing ambient air to enter into the first conduit element (56), and a second one-way valve (55) arranged in the first conduit element (56) between the first one-way admission valve (57) and the gas inlet (54A) of the deformable bag (54) for allowing gas to travel only from the first conduit element (56) to the deformable bag (54).

Abstract: The specification describes an artificial resuscitation bag (5) having (i) a deformable bag (54) with a gas inlet (54A) and a gas outlet (54B), (ii) a pneumatic control valve (50) comprising an exhaust port (50c) adapted for controlling the flow of gas exiting to the atmosphere through said exhaust port (50c), and (iii) a monitoring module (60), operably connected to the pneumatic control valve (50) and having an absolute pressure sensor (60d) for measuring at least an absolute pressure (Pabs) in the inner compartment (50f) of the pneumatic control valve (50) and for transmitting at least an absolute pressure signal to a central processing unit (60c) and an ambient pressure sensor (60b) for measuring at least an atmospheric pressure (Patm) and for transmitting at least an atmospheric pressure signal to the central processing unit (60c).

Abstract: Artificial resuscitation bag (5) comprising a deformable bag (54) comprising a gas inlet (54a) and a gas outlet (54b), a gas conduit (47) in fluid communication with the gas outlet (54b) of the deformable bag (54), and a pneumatic valve (50) comprising an exhaust port (50c) cooperating with a membrane element (50b) for controlling the flow of gas exiting to the atmosphere through said exhaust port (50c), said membrane element (50b) being arranged into an inner compartment (50f) of the pneumatic valve (50).

Abstract: The invention relates to a monitoring and/or respiratory assistance apparatus that can be used during a cardiopulmonary resuscitation (CPR) with successive chest compressions of duration (dt) performed on the patient and with relaxations, said apparatus comprising a CO2 content measurement sensor (10) a graphical user interface (14), and signal-processing system (11) configured to process the CO2 content measurement signals in such a way as to determine at least one maximum CO2 content value (Vmax) and at least one minimum CO2 content value (Vmin), during at least one duration (dt) of at least one chest contraction, and then to calculate at least one airway opening index AOI or mean index AOImeanon the basis of the CO2 content values. Said one or more indices are displayed on the GUI in the form of numerical values or graphical representations, especially curves or pictograms.

Abstract: The invention relates to a respiratory assistance apparatus for delivering a respiratory gas, such as air, to a patient during cardiopulmonary resuscitation (CPR), having a source (1) of respiratory gas, means (4) for measuring the CO2 content, and signal-processing and control means (5). The signal-processing and control means (5) are configured to process the CO2 content measurement signals corresponding to measurements performed by the CO2 content measurement means (4) during a given period of time (dt), and to calculate at least one mean CO2 content value (Vmean) from the maximum CO2 content values (Vmax) obtained over the time window (Ft), and to transmit said at least one mean CO2 content value (Vmean) to the graphical user interface (7) which displays it.

Abstract: The invention relates to a medical respiratory assistance apparatus for delivering a respiratory gas such as air, which may or may not be enriched with oxygen, to a patient during cardiopulmonary resuscitation (CPR), having a source (1) of respiratory gas, for example a micro-blower, for delivering a respiratory gas to said patient during cardiopulmonary resuscitation (CPR), and means (4) for measuring the CO2 content, signal-processing and control means (5), and at least one graphical user interface (7). According to the invention, the signal-processing and control means (5) process the CO2 content measurement signals, to select the maximum CO2 content value (Vmax) during a given time period (dt), and to transmit this maximum value (Vmax) to the graphical user interface (7), which displays this maximum CO2 content value (Vmax).

Abstract: The specification describes an artificial resuscitation bag (5) having (i) a deformable bag (54) with a gas inlet (54A) and a gas outlet (54B), (ii) a pneumatic control valve (50) comprising an exhaust port (50c) adapted for controlling the flow of gas exiting to the atmosphere through said exhaust port (50c), and (iii) a monitoring module (60), operably connected to the pneumatic control valve (50) and having an absolute pressure sensor (60d) for measuring at least an absolute pressure (Pabs) in the inner compartment (50f) of the pneumatic control valve (50) and for transmitting at least an absolute pressure signal to a central processing unit (60c) and an ambient pressure sensor (60b) for measuring at least an atmospheric pressure (Patm) and for transmitting at least an atmospheric pressure signal to the central processing unit (60c).

Abstract: The invention relates to a respiratory assistance apparatus (1) such as a medical ventilator, comprising a gas circuit (2, 16) with at least one inhalation branch (2) able to carry a respiratory gas intended to be administered to a patient under cardiac arrest during cardio pulmonary resuscitation; measurement means (6) suited to and designed for measuring at least one parameter indicative of said flow of gas and converting said at least one parameter indicative of said flow of gas into at least one signal indicative of said flow of gas; and a signal processing and control means (5, 8) suited to and designed for processing said at least one signal indicative of the flow of gas supplied by the measurement means (6) and deducing from said at least one signal indicative of the flow of gas information relating to the phases of compression and relaxation of a cardiac massage on the patient under cardiac arrest and controlling the motorised micro blower (40) and exhalation valve (19) accordingly in response to the

Abstract: A respiratory assistance apparatus (1) for delivering a flow of gas to a patient (P) comprises a gas delivery conduit (2) for conveying a flow of gas, measuring means (6) designed to measure at least one parameter representative of the flow of gas and to supply at least one signal corresponding to said parameter, signal-processing means (8) designed to process said signal coming from the measuring means and to deduce from said signal at least one item of information relating to performance and/or discontinued performance of chest contractions (CT), calculating means designed to calculate at least one duration of discontinuation or absence of chest contractions (tNCT), and storage means (12) configured to register said duration of discontinuation or absence of chest contractions.

Abstract: The invention relates to a method of controlling a respiratory assistance apparatus delivering a flow of gas, particularly a flow of air, comprising the steps of measuring at least one parameter indicative of said flow of gas; converting said at least one parameter indicative of said flow of gas into at least one signal indicative of said flow of gas; processing said at least one signal indicative of the flow of gas in order therefrom to deduce at least one item of information relating to cardiac massage being performed on a patient in cardiac arrest; on the basis of said at least one deduced item of information, automatically selecting a given ventilation mode from among a number of stored ventilation modes, and controlling the respiratory assistance apparatus by applying the selected ventilation mode. Respiratory assistance apparatus capable of implementing said control method.

Abstract: The invention relates to a respiratory-aid apparatus (1) capable of supplying a stream of gas to a patient (P), comprising a gas-transport pipe (2) for transporting a stream of gas, such as air; measurement means (6) designed to measure at least one parameter representing the stream of gas and to supply at least one signal corresponding to said at least one parameter representing said stream of gas, for example the gas flow rate or pressure; signal-processing means (8) designed to process said at least one signal from the measurement means (6) and to deduce therefrom at least one piece of information (I1, I2, I3) characterising a cardiac massage performed on a patient; and display means (7) designed to display said at least one piece of information (I1, I2, I3) characterising a cardiac massage from the signal-processing means (8).