Abstract: A breathing assistance device may include a turbine for generating flow of pressurized respiratory gas, a duct for carrying pressurized gas to a patient, and a mechanism to control gas pressure capable of elaborating a pressure setting for the turbine. The turbine is connected to a speed sensor for acquiring the rotation speed of a rotating element of the turbine. A mechanism controls a calculation in order to elaborate a pressure setting and to send the pressure setting to the turbine. A method regulates the pressure of a respiratory gas delivered by a turbine to a patient. The method involves elaborating a pressure setting for the turbine. The pressure setting is elaborated using a signal representative of the rotation speed of a rotating element of the turbine.

Abstract: The invention relates to a breathing assistance device for a patient, the device including: a source of respiratory pressurised gas; a gas transmission duct comprising a distal end coupled to said source and a proximal end coupled to the patient; a gas regulating valve interposed in the gas transmission duct at a proximal location, comprising a leakage orifice and an obstruction means capable of varying the opening of the leakage orifice upon signal of controlling means and allowing a bidirectional gas flow through the leakage orifice in both expiration and inspiration phases.

Abstract: A breathing assistance device may include a turbine for generating flow of pressurized respiratory gas, a duct for carrying pressurized gas to a patient, and a mechanism to control gas pressure capable of elaborating a pressure setting for the turbine. The turbine is connected to a speed sensor for acquiring the rotation speed of a rotating element of the turbine. A mechanism controls a calculation in order to elaborate a pressure setting and to send the pressure setting to the turbine. A method regulates the pressure of a respiratory gas delivered by a turbine to a patient. The method involves elaborating a pressure setting for the turbine. The pressure setting is elaborated using a signal representative of the rotation speed of a rotating element of the turbine.

Abstract: A breathing assistance device having: a turbine for generating flow of pressurized respiratory gas, a duct for carrying pressurized gas to a patient, a mechanism to control gas pressure capable of elaborating a pressure setting for the turbine, the turbine is connected to a speed sensor for acquiring a signal corresponding to the rotation speed of a rotating element of the turbine, and the mechanism of controlling the calculation linked to the speed sensor in order to elaborate using the signal, a pressure setting sending the pressure setting to the turbine. Another aspect of the invention relates to a method for regulating the pressure of a respiratory gas delivered by a turbine to a patient, the method involving elaborating a pressure setting for the turbine, characterized in that the pressure setting is elaborated using a signal representative of the rotation speed of a rotating element of the turbine.

Abstract: The present invention proposes a breathing assistance device for a patient, comprising: A source of respiratory pressurised gas, A breathing connection to allow the patient to receive said gas, At least one sensor for acquiring a parameter representative of the operation of the device, characterised in that said gas source is a ventilator, and said ventilator is integrated into a removable module which also comprises at least one sensor for acquiring a parameter representative of the operation of the device.

Abstract: A breathing assistance device, capable of operating according to several respiratory modes forming a list of possible modes. The device is equipped with a mechanism for selecting a desired mode from a group of modes that can be selected. The device also includes a mechanism for realizing a configuration diagnostic of the device, a mechanism for associating with authorization level with each possible mode, according to the results of the diagnostic, with the lowest authorization level corresponding to unauthorized modes, a mechanism for authorizing only the selection of authorized modes, in such a way that selecting unauthorized modes is impossible.

Abstract: A breathing assistance apparatus operates in alternating inhalation and expiratory phases wherein a) the control means of the apparatus comprise selection means capable of selecting a pressure parameter or a flow rate parameter to define; b) the reference value for the gas source, the selection means are controlled by an automatic control unit being: I) connected to pressure and flow rate sensors situated on the inhalation duct to form a direct closed regulation loop for selecting a reference value parameter, II) associated to a program allowing the selection to be made in real time from a pressure or flow rate signal, so that the association of a direct closed regulation circuit for the selection of a reference value parameter with a valve permitting proportional operation, allows real time control of barometric and volumetric operating modes, between and during the inhalation and expiratory phases. The invention also concerns associated operating processes.

Abstract: This invention concerns a breathing assistance apparatus capable of operating in alternating inhalation and expiratory phases wherein; a) the control means of the apparatus comprise selection means (152) capable of selecting a pressure parameter or a flow rate parameter to define; b) the said reference value for the gas source, the said selection means are controlled by an automatic control unit (51), the said control unit being: I) connected to pressure and flow rate sensors situated on the inhalation duct to form a direct closed regulation loop for selecting a reference value parameter, II) associated to a program allowing the selection to be made in real time from a pressure or flow rate signal, so that the association of a direct closed regulation circuit for the selection of a reference value parameter with a valve permitting proportional operation, allows real time control of barometric and volumetric operating modes of the apparatus, between the inhalation and expiratory phases and during these phases.

Abstract: A breathing assistance device, capable of operating according to several respiratory modes forming a list of possible modes. The device is equipped with a mechanism for selecting a desired mode from a group of modes that can be selected. The device also includes a mechanism for realising a configuration diagnostic of the device, a mechanism for associating an authorization level with each possible mode, according to the results of the diagnostic, with the lowest authorization level corresponding to unauthorised modes, a mechanism for authorizing only the selection of authorised modes, in such a way that selecting unauthorised modes is impossible.

Abstract: A breathing assistance device (10) for a patient, comprising: A source of respiratory pressurised gas (105), A breathing connection (120) to allow the patient to receive said gas, At least one sensor for acquiring a parameter representative of the operation of the device (10), wherein said gas source (105) is a ventilator (210), and said ventilator (210) is integrated into a removable module (20) which also comprises at least one sensor for acquiring a parameter representative of the operation of the device (10).

Abstract: The invention relates to a breathing assistance device for a patient (P), the device including: —a source of respiratory pressurised gas (S), a gas transmission duct (31) comprising a distal end (31d) coupled to said source and a proximal end (31p) coupled to the patient, —a gas regulating valve (32, 50) interposed in the gas transmission duct at a proximal location, comprising a leakage orifice (531) and an obstruction means (54) capable of varying the opening of the leakage orifice upon signal of controlling means (35) and allowing a bidirectional gas flow through the leakage orifice in both expiration and inspiration phases.

Abstract: The invention relates to a breathing assistance device for a patient, the device including: a source of respiratory pressurised gas; a gas transmission duct comprising a distal end coupled to said source and a proximal end coupled to the patient; a gas regulating valve interposed in the gas transmission duct at a proximal location, comprising a leakage orifice and an obstruction means capable of varying the opening of the leakage orifice upon signal of controlling means and allowing a bidirectional gas flow through the leakage orifice in both expiration and inspiration phases.

Abstract: The invention relates to a breathing assistance device (1) comprising: —a first gas inlet (5) for receiving a primary respiratory gas and a first regulating means for regulating said primary respiratory gas, both being located in a central unit (2); —a second gas inlet (6) for receiving a secondary respiratory gas and a second regulating means (7) for regulating said secondary respiratory gas; —a controlling means for controlling said first and second regulating means in order to mix said primary and secondary respiratory gases in controlled respective proportions into a controlled mix of gases; —a feeding means (4) for feeding a patient with said controlled mix of gases, characterised in that said second gas inlet (5) and second regulating means (7) are both located in a secondary unit (8) removably connected to the central unit (2).

Abstract: This invention relates to a breathing assistance device, capable of operating according to several respiratory modes forming a list of possible modes, and equipped with means of selecting a desired mode from a group of modes that can be selected, characterised in that the device includes: • means for realising a configuration diagnostic of the device, • means for associating an authorisation level with each possible mode, according to the results of the diagnostic, with the lowest authorisation level corresponding to unauthorised modes, • means for authorising only the selection of authorised modes, in such a way that selecting unauthorised modes is impossible. The invention also relates to a method of handling the operation of said device.

Abstract: This invention concerns a breathing assistance apparatus capable of operating in alternating inhalation and expiratory phases wherein; a) the control means of the apparatus comprise selection means (152) capable of selecting a pressure parameter or a flow rate parameter to define; b) the said reference value for the gas source, the said selection means are controlled by an automatic control unit (51), the said control unit being: I) connected to pressure and flow rate sensors situated on the inhalation duct to form a direct closed regulation loop for selecting a reference value parameter, II) associated to a programme allowing the selection to be made in real time from a pressure or flow rate signal, so that the association of a direct closed regulation circuit for the selection of a reference value parameter with a valve permitting proportional operation, allows real time control of barometric and volumetric operating modes of the apparatus, between the inhalation and expiratory phases and during these phase

Abstract: This invention relates to, according to a first aspect, a breathing assistance device consisting of a turbine to generate a flow of pressurised respiratory gas, a duct to carry the pressurised gas to a patient, means of controlling the gas pressure capable of elaborating a pressure setting for the turbine, characterised in that the turbine is connected to a speed sensor capable of acquiring a signal corresponding to the rotation speed of a rotating element of the turbine, and the means of controlling include means of calculation linked to said speed sensor in order to elaborate using said signal a pressure setting and to send said pressure setting to the turbine.

Abstract: A breathing assistance device (10) for a patient, comprising: A source of respiratory pressurised gas (105), A breathing connection (120) to allow the patient to receive said gas, At least one sensor for acquiring a parameter representative of the operation of the device (10), wherein said gas source (105) is a ventilator (210), and said ventilator (210) is integrated into a removable module (20) which also comprises at least one sensor for acquiring a parameter representative of the operation of the device (10).

Abstract: An apparatus for assisting with ventilating a patient breathing in successive cycles, each of the cycles includes a phase of inhalation and a phase of exhalation. The apparatus includes a pressurized gas source, an outlet orifice of the gas source supplies a stream of pressurized gas. The apparatus also includes a gas stream distribution unit that has a transmission circuit which connects the gas source to a main inhalation pipe. The apparatus further includes an inhalation valve for regulating the gas stream and which is interposed in the transmission circuit and is controlled by a control circuit of the apparatus particularly as a function of the values of the flow rate inhalation valve is produced in the form of a rotary directional-control valve.

Abstract: The invention proposes an apparatus (10) for assisting with ventilating a patient breathing in successive cycles, each of which comprises a phase of inhalation and a phase of exhalation, of the type comprising:

Abstract: A gas delivery sensor, of the type in which two upstream and downstream pressure pick-up conduits, which are each connected to a pressure sensor, open into a gas flow duct, in which a permeable element extends axially at least between opening ends of the two pressure pick-up conduits characterized in that the permeable element is produced in the form of a body which has, in cross-section, a shape complementary to that of the duct and which includes slots extending radially about its axis, so as to open radially onto an outer lateral surface of the body, and in that the slots extend axially over the entire length of the permeable body.