Abstract: The invention relates to a ventilator including a ventilation gas source, a ventilation tube assembly, a valve assembly, a flow sensor assembly comprising a distal flow sensor and a proximal flow sensor, a pressure sensor assembly for quantitatively detecting a gas pressure in the ventilation tube assembly a pressure-changing assembly for changing the gas pressure in the ventilation tube assembly and a control device which is designed at least to control the operation of the pressure-changing assembly on the basis of measurement signals from the proximal flow sensor, and on the basis of measurement signals from the proximal flow sensor and from the distal flow sensor, to infer the existence of a fault.

Abstract: A method for determining a respiratory-gas content in a respiratory tract, which content is present in the respiratory tract of an at least partially artificially ventilated patient following a plurality of breaths performed with the involvement of a ventilation apparatus, wherein the plurality of breaths include at least one earlier number of breaths and at least one follow-up breath following the earlier number of breaths; wherein the earlier number of breaths include an earlier breath or a plurality of successive earlier breaths; wherein the method comprises quantitative detection of inspiratory and expiratory respiratory-gas flows by at least one respiratory-gas flow sensor and summation of detected inspiratory and expiratory flow values to form the respiratory-gas content in the respiratory tract; wherein a respiratory tract content starting value, at which the determination of the respiratory-gas content in the respiratory tract for the follow-up breath starts, depending on a difference in respiratory-g

Abstract: A control system of a respiratory device for the at least supportive-partial artificial respiration of patients, in particular human patients, comprising a respiratory gas conduit arrangement, a pressure changing arrangement for changing the pressure of respiratory gas in the respiratory gas conduit arrangement during the respiratory operation of the respiratory device, and the control system for controlling the respiratory operation of the respiratory device. The control system has a data input for transmitting operational or/and patient data to the control system. The control system is configured to determine a respiratory operating parameter for the operation of the respiratory device selectively by means of a predetermined first data relationship or by means of a predetermined second data relationship that is different from the first data relationship.

Abstract: A ventilation device for artificial ventilation, having: —a ventilation gas source; —a ventilation conducting assembly for conducting inspiratory ventilation gas from the ventilation gas source to a patient-side, proximal ventilation-gas outlet opening and for conducting expiratory ventilation gas away from a proximal ventilation-gas inlet opening; —a pressure-changing assembly for changing the pressure of the ventilation gas flowing in the ventilation conducting assembly; —a control device, which is designed to control the operation of the ventilation gas source and/or the operation of the pressure-changing assembly; —an evaluation device for processing sensor signals; and —an O2 sensor assembly for determining an O2 concentration value representing the oxygen concentration of the ventilation gas flowing in the ventilation conducting assembly, wherein the O2 sensor assembly outputs O2 sensor signals, which contain information regarding the O2 concentration value, to the evaluation device, and wherein the eva

Abstract: A system for automated adjustment of a pressure set by a ventilation device, in particular a positive and-expiratory pressure and/or a maximum airway pressure, the system comprising a pressure detection arrangement for detecting a transpulmonary pressure at the end of an expiration phase and/or for detecting a transpulmonary pressure at the end of an inspiration phase, and a device for automated adjustment of the pressure set by the ventilation device on the basis of the transpulmonary pressure detected at the end of the expiration phase and/or the transpulmonary pressure detected at the end of the inspiration phase.

Abstract: A sensor arrangement includes a reaction subassembly having a housing and a detector subassembly. The housing is a layered component arrangement encompassing a luminophore-containing reaction laminate excitable, by irradiation with a first electromagnetic radiation of a first wavelength, to emit a second electromagnetic radiation of a second wavelength different from the first wavelength; and a temperature-detection laminate emitting an infrared radiation. The housing includes an opening for introducing a fluid, a reaction window and a temperature-sensing window. The reaction window transmits the first and second electromagnetic radiation, and the temperature-sensing window is penetrable by infrared radiation.

Abstract: A system for supporting the blood gas exchange by means of mechanical ventilation and extracorporeal blood gas exchange comprises a ventilation device for mechanical ventilation of the lungs of a patient, and an ECLS device for the extracorporeal blood gas exchange, wherein the ventilation system is designed to perform mechanical respiratory support by the ventilation device on the one hand and an extracorporeal blood gas exchange by the ECLS device on the other hand in coordinated, automated manner in order to support the gas exchange in the blood circulation of the patient, wherein the ECLS device sets a level of the extracorporeal blood gas exchange, and the ventilation device, on the basis of the level of the extracorporeal blood gas exchange set by the ECLS device, adjusts in automated manner to a level of the mechanical respiratory support.

Abstract: A ventilation device for artificially ventilating a patient, the controller of the ventilation device being designed to actuate a flow modifying device for carrying out a P/V maneuver, in which a patient is supplied with respiratory gas while the pressure of the respiratory gas is increased during an inspiration phase, said respiratory gas passively flowing out of the patient during an expiration phase after the pressure increase is terminated.

Abstract: A multi-channel infrared gas sensor including a beam splitter arrangement, which splits an infrared beam into four infrared partial beams, four bandpass filters and four infrared sensors, respectively one for each infrared partial beam at a first used signal wavelength. The directions of propagation of the four infrared partial beams differ from one another in pairwise fashion. A first and second infrared used signal sensor are arranged so that respective used signal sensor detection areas have a symmetric orientation with respect to a used signal sensor plane of symmetry situated between the detection areas. A first and second infrared reference signal sensor are arranged so that respective reference signal sensor detection areas have a symmetric orientation with respect to a reference signal sensor plane of symmetry situated between the reference signal sensor detection areas. No signal sensor detection area is orthogonal to its respective signal sensor plane of symmetry.

Abstract: A non-dispersive multi-channel radiation sensor assembly includes a beamsplitter assembly, a first band-pass filter, which has a predefined first bandwidth and has a transmission maximum at a predefined first useful-signal wavelength, a first measurement-radiation useful-signal sensor, which is arranged downstream of the first band-pass filter in the beam path, a second band-pass filter, which has a transmission maximum at a predefined first reference-signal wavelength, a first measurement-radiation reference-signal sensor, which is arranged downstream of the second band-pass filter in the beam path. The beamsplitter assembly has a first irradiation region and a second irradiation region, in which irradiation regions the beamsplitter assembly is irradiated with measurement radiation.

Abstract: A sensor arrangement includes a reaction subassembly having a housing and a detector subassembly. The housing is a layered component arrangement encompassing a luminophore-containing reaction laminate excitable, by irradiation with a first electromagnetic radiation of a first wavelength, to emit a second electromagnetic radiation of a second wavelength different from the first wavelength; and a temperature-detection laminate emitting an infrared radiation. The housing includes an opening for introducing a fluid, a reaction window and a temperature-sensing window. The reaction window transmits the first and second electromagnetic radiation, and the temperature-sensing window is penetrable by infrared radiation.

Abstract: A method for determining the functional residual capacity of a patient's lung, includes supplying a first inspiratory breathing gas having a first proportion of a metabolically inert gas, supplying a second inspiratory breathing gas having a second proportion of the metabolically inert gas, determining any arising volume difference, which represents a difference in volume between a volume of inspiratory and of expiratory metabolically inert gas for a determination period, determining the functional residual capacity taking into account the volume difference and a proportion difference between a first proportion quantity and a second proportion quantity, which represent the first proportion and the second proportion of the metabolically inert gas, respectively, and determining a base difference, which represents a difference between a tidal volume of inspiratory metabolically inert gas and of expiratory metabolically inert gas.

Abstract: A sensor arrangement (50) encompasses a reaction subassembly (72) having a housing (52) and having a detector subassembly (54), there being provided in the housing (52) a layered component arrangement (60) that encompasses: a luminophore-containing reaction laminate (62) that is excitable, by irradiation with a first electromagnetic radiation of a first wavelength, to emit a second electromagnetic radiation of a second wavelength different from the first wavelength; and a temperature-detection laminate (64) emitting an infrared radiation; the housing (52) comprising an opening (78a, 78b) through which a fluid is introducible; the housing (52) comprising a reaction window (66a) and a temperature-sensing window (66b) arranged physically remotely therefrom; the one reaction window (66a) transmitting the first (E1) and the second electromagnetic radiation (E2); and the temperature-sensing window (66b) being penetrable by infrared radiation (I); the detector subassembly (54) encompassing: a radiation source (

Abstract: The present artificial respiration ventilator (10) comprises, inter alia, a flow sensor arrangement (44, 48) for quantitatively detecting a gas flow in a breathing line arrangement (30), comprising a distal flow sensor (48) located farther from the patient end of the ventilation line arrangement (30). and a proximal flow sensor (44) located closer to the patient end of the ventilation line arrangement (30), and has a control device (18) at least for processing measurement signals of the flow sensor arrangement (44, 48), wherein the control device (18) is designed for error detection based on the measurement signals of the distal (48) and/or the proximal sensor (44).

Abstract: The invention relates to a ventilator including a ventilation gas source, a ventilation tube assembly, a valve assembly, a flow sensor assembly comprising a distal flow sensor and a proximal flow sensor, a pressure sensor assembly for quantitatively detecting a gas pressure in the ventilation tube assembly a pressure-changing assembly for changing the gas pressure in the ventilation tube assembly and a control device which is designed at least to control the operation of the pressure-changing assembly on the basis of measurement signals from the proximal flow sensor, and on the basis of measurement signals from the proximal flow sensor and from the distal flow sensor, to infer the existence of a fault.

Abstract: A respirator for the at least supportive respiration of living beings includes a connection formation for connection to a breathing gas supply, a breathing gas conduit arrangement, pressure change arrangement for changing the pressure in the breathing gas conduit arrangement a flow sensor, which provides a flow signal representing a breathing gas volume flow in the breathing gas conduit arrangement, and a control unit controlling the operation of the respirator. The control unit is configured to trigger a transition from an expiratory to an inspiratory operation of the respirator whenever an increase in the steepness of a flow signal curve exceeds a steepness change threshold value.

Abstract: A sensor arrangement (50) encompasses a reaction subassembly (72) having a housing (52) and having a detector subassembly (54), there being provided in the housing (52) a layered component arrangement (60) that encompasses: a luminophore-containing reaction laminate (62) that is excitable, by irradiation with a first electromagnetic radiation of a first wavelength, to emit a second electromagnetic radiation of a second wavelength different from the first wavelength; and a temperature-detection laminate (64) emitting an infrared radiation; the housing (52) comprising an opening (78a, 78b) through which a fluid is introducible; the housing (52) comprising a reaction window (66a) and a temperature-sensing window (66b) arranged physically remotely therefrom; the one reaction window (66a) transmitting the first (E1) and the second electromagnetic radiation (E2); and the temperature-sensing window (66b) being penetrable by infrared radiation (I); the detector subassembly (54) encompassing: a radiation source (

Abstract: A system for automated adjustment of a pressure set by a ventilation device, in particular a positive and-expiratory pressure and/or a maximum airway pressure, the system comprising a pressure detection arrangement for detecting a transpulmonary pressure at the end of an expiration phase and/or for detecting a transpulmonary pressure at the end of an inspiration phase, and a device for automated adjustment of the pressure set by the ventilation device on the basis of the transpulmonary pressure detected at the end of the expiration phase and/or the transpulmonary pressure detected at the end of the inspiration phase.

Abstract: The invention suggests a system for automated adjustment of a pressure set by a ventilation device, in particular a positive and-expiratory pressure and/or a maximum airway pressure, the system comprising a pressure detection arrangement for detecting a transpulmonary pressure at the end of an expiration phase and/or for detecting a transpulmonary pressure at the end of an inspiration phase, and a means for automated adjustment of the pressure set by the ventilation device on the basis of the transpulmonary pressure detected at the end of the expiration phase and/or the transpulmonary pressure detected at the end of the inspiration phase.

Abstract: The present artificial respiration ventilator (10) comprises, inter alia, a flow sensor arrangement (44, 48) for quantitatively detecting a gas flow in a breathing line arrangement (30), comprising a distal flow sensor (48) located farther from the patient end of the ventilation line arrangement (30). and a proximal flow sensor (44) located closer to the patient end of the ventilation line arrangement (30), and has a control device (18) at least for processing measurement signals of the flow sensor arrangement (44, 48), wherein the control device (18) is designed for error detection based on the measurement signals of the distal (48) and/or the proximal sensor (44).