Abstract: A ventilator apparatus comprising a ventilator with at least one actuator, at least one computing system connected to the at least one actuator, at least one transducer to provide input signals from a patient, a closed loop controller, connected to the computing system, configured to provide output data representing a delivered respiratory parameter of the ventilator, including at least one of: a respiratory pressure, a respiratory volume, and a respiratory flow, based on the computed respiration frequency, the estimated inspiratory time, the estimated expiratory time and the computed tidal volume; and the first duration ratio factor is computed with the computing system by: D1=(I:E)/((1+I:E)); wherein I:E is the inspiration-to-expiration ratio and said first duration ratio factor (D1) is used for computing of the respiration frequency, or the first duration ratio factor is set to a value between 0.5 and 0.2 and is used for computing of the respiration frequency.

Abstract: The invention is related to ventilation apparatuses and methods for operating a ventilator of a ventilator apparatus. In the method at least one duration ratio factor is set in a computing system of the ventilator apparatus; at least one minute volume, at least one functional dead space volume and at least one time constant are determined; a respiration frequency is computed, based on a previously defined lung model, depending on the determined parameters. The computed respiration frequency is optimized on at least one minimum of a delivered parameter, which is induced to a patient using the ventilator; an inspiratory time and an expiratory time are determined based on the computed respiration frequency and the duration ratio factor; at least one tidal volume based on the previously computed respiration frequency and the determined minute volume is computed; and a delivered respiratory parameter of the ventilator is closed loop controlled.

Abstract: The invention relates to a respiratory flow sensor comprising a flow tube, which has a longitudinal axis, a first flow tube portion and a second flow tube portion, comprising a flow resistor, which is disposed between the first flow tube portion and the second flow tube portion in the flow channel, and comprising two ports for extracting the pressure difference generated by the flow resistor. The first port opens into the first flow tube portion via a first connecting line and said first port is disposed at the first flow tube portion. The second port opens into the second flow tube portion via a second connecting line and said second port is disposed at the second flow tube portion. The ports each comprise a connecting line portion, which extends substantially parallel to the longitudinal axis of the flow tube. The openings of the ports are aligned in the same direction.

Abstract: The invention relates to a respiratory flow sensor comprising a flow pipe, which has a flow channel and, on the free ends thereof, hose connections for hoses, comprising a cover flap, which is arranged in the flow channel and divides the flow channel into a first flow channel portion and into a second flow channel portion, and comprising connections, which lead into the flow channel on both sides of the cover flap and serve for the reduction of the differential pressure created by the cover flap. Provision is made in the flow channel for a water drainage device, which comprises drainage grooves. The cover flap has a hinge region, which is formed by a first slot and a second slot, which is embodied in an H-shaped manner.

Abstract: The invention relates to a breathing apparatus (15), which is connected to a sensor system (30) and to a control system (24), wherein the sensor system (30) is designed for capturing at least two items of measurement data (31) and for transmitting the captured measurement data (31) to the breathing apparatus (15) or the control logic module (25). The control system (24) is further connected to at least one indicating device (35), wherein the at least one indicating device (35) has a configurable screen (33). The control system (24) is designed for the presentation of indicated data (62, 65) based on the captured measurement data (31), which may be displayed on a first graphical unit (29) on the at least one indicating device (35). The invention furthermore relates to a method for controlling a breathing apparatus (15).

Abstract: The invention relates to a respiratory flow sensor (11) comprising a flow tube (12) which has a flow channel (13) and tube connections for tubes at the free ends (15, 17) of the flow tube, a cover flap (32) which is arranged in the flow channel (13) and divides the flow channel (13) into a first flow channel section (18) and a second flow channel section (19), and comprising connections (22, 23) which open into the flow channel (13) on both sides of the cover flap (32) and which are used to decrease the pressure difference generated by the cover flap (32). A drainage device (41) which comprises drain grooves (42, 43) is provided in the flow channel (13), and the cover flap (32) has a hinge region which is formed by a first slot and a second H-shaped slot.

Abstract: Methods and apparatus provide for operating at least one respirator in a communication network, where the communication network (II) has at least one processing unit, a cloud, and the at least one processing unit has a computing unit, and the at least one respirator is connected to the communication network via a communication module. The respirator data from the at least one respirator is transmitted to the communication module and then the transmitted respirator data is sent from the communication module to the at least one processing unit. The sent respirator data is analyzed in the at least one processing unit, the analyzed respirator data is revised in the computing unit and then transferred from the at least one processing unit to a communication module and/or from the at least one processing unit to at least one external receiving unit.

Abstract: The invention comprises a ventilation apparatus and method for operating a ventilator of a ventilator apparatus, wherein in the method at least one duration ratio factor is set in a computing system of the ventilator apparatus; at least one minute volume, at least one functional dead space volume and at least one time constant are determined; a respiration frequency is computed, based on a previously defined lung model, depending on said determined parameters, where said computed respiration frequency is optimized on at least one minimum of a delivered parameter, which is induced to a patient using said ventilator; an inspiratory time and an expiratory time are determined based on said computed respiration frequency and said duration ratio factor; at least one tidal volume based on said previously computed respiration frequency and said determined minute volume is computed; and a delivered respiratory parameter of the ventilator is closed loop controlled.

Abstract: The invention comprises a ventilation apparatus and method for operating a ventilator of a ventilator apparatus, wherein in the method at least one duration ratio factor is set in a computing system of the ventilator apparatus; at least one minute volume, at least one functional dead space volume and at least one time constant are determined; a respiration frequency is computed, based on a previously defined lung model, depending on said determined parameters, where said computed respiration frequency is optimized on at least one minimum of a delivered parameter, which is induced to a patient using said ventilator; an inspiratory time and an expiratory time are determined based on said computed respiration frequency and said duration ratio factor; at least one tidal volume based on said previously computed respiration frequency and said determined minute volume is computed; and a delivered respiratory parameter of the ventilator is closed loop controlled.

Abstract: The invention relates to a respiratory flow sensor (11) comprising a flow tube (12) which has a flow channel (13) and tube connections for tubes at the free ends (15, 17) of the flow tube, a cover flap (32) which is arranged in the flow channel (13) and divides the flow channel (13) into a first flow channel section (18) and a second flow channel section (19), and comprising connections (22, 23) which open into the flow channel (13) on both sides of the cover flap (32) and which are used to decrease the pressure difference generated by the cover flap (32). A drainage device (41) which comprises drain grooves (42, 43) is provided in the flow channel (13), and the cover flap (32) has a hinge region which is formed by a first slot and a second H-shaped slot.

Abstract: The invention comprises a ventilation apparatus and method for operating a ventilator of a ventilator apparatus, wherein in the method at least one duration ratio factor is set in a computing system of the ventilator apparatus; at least one minute volume, at least one functional dead space volume and at least one time constant are determined; a respiration frequency is computed, based on a previously defined lung model, depending on said determined parameters, where said computed respiration frequency is optimized on at least one minimum of a delivered parameter, which is induced to a patient using said ventilator; an inspiratory time and an expiratory time are determined based on said computed respiration frequency and said duration ratio factor; at least one tidal volume based on said previously computed respiration frequency and said determined minute volume is computed; and a delivered respiratory parameter of the ventilator is closed loop controlled.

Abstract: Sound-proofing housing (31), which comprises a first housing part (41) having an intake opening (44) and comprises a second housing part (51) having a discharge opening, wherein a shaped part (61) arranged in the housing (31) is also provided, of which the flange seal (63) comes to rest between the housing parts (41, 51) when the housing (31) is put together. The acoustic emission generated by the fan is considerably reduced by a specific embodiment of the shaped part (61) with air passage openings and air-guiding devices.

Abstract: Sound-proofing housing (31), which comprises a first housing part (41) having an intake opening (44) and comprises a second housing part (51) having a discharge opening, wherein a shaped part (61) arranged in the housing (31) is also provided, of which the flange seal (63) comes to rest between the housing parts (41, 51) when the housing (31) is put together. The acoustic emission generated by the fan is considerably reduced by a specific embodiment of the shaped part (61) with air passage openings and air-guiding devices.

Abstract: The invention relates to a respiratory device for keeping a patient breathing artificially or support his or her breathing naturally. Said respiratory device comprises an air inlet, an air source, and at least one proportionally adjustable control valve. The control valve is provided with a housing (11) and a rotary valve (12) which is arranged in the housing so as to be twistable about the longitudinal axis thereof and which allows through-holes (11d) of the housing (11) to be entirely or partially closed by twisting the rotary valve (12). The rotary valve (12) and a corresponding support surface (11f) of the housing (11) have a conical shape, the support surface (11f) cooperating with the rotary valve (12). The through-holes (11d) are disposed in the area of the support surface (11f).

Abstract: Lung ventilator (14) and/or anaesthesia machine with a blender for mixing a pressurised medical gas, e.g. oxygen, with air drawn in by a blower (1), comprising a gas line (10) for the medical gas, and an air line (11), which open into a common breathing gas line (12), whereby the opening of the gas line (10) into the common gas line (12) is downstream of the blower (1) and in the gas line (10) a regulating valve (8) is provided for variable adjustment of the gas flow and in the common breathing gas line (12) a regulating valve (4) is provided for dosing the breathing gas, and whereby in the breathing gas line (12) a flow sensor (3) is provided for measuring the breathing gas flow and in the gas line (10) a flow sensor (9) is provided for measuring the gas flow.

Abstract: Apparatus for processes of checking anesthesia and ventilation devices, in the form of a test lung, comprising a lung sac (5), elastically deformable lobes (6, 7), an inlet nozzle (1) and adjustment means (8, 9, 10) for adjusting the simulation parameters. The test lung is in the form of a compact unit and permits the simulation of different lung types by adjustment of the lung parameters.

Abstract: A respirator for respiration of a patient having an interface (3) for input of at least one respiration parameter (PINSP, PEEP, RAM, I/E, RAT, TINSP, TEXP, TAZ) which is relevant for the respiration is provided. According to the invention, the respirator comprises a computation unit for calculating a respiration curve (4, 4a, 4b) from the at least one respiration parameter (PINSP, PEEP, RAM, I/E, RAT, TINSP, TEXP, TAZ) and a display unit (2) for display of the calculated respiration curve (4, 4a, 4b). In addition, a method for operation of the inventive respirator is provided.

Abstract: Apparatus for checking anaesthesia and ventilation devices, in the form of a test lung, comprising a lung sac, elastically deformable lobes, an inlet nozzle and adjustment means for adjusting the simulation parameters, the test lung being in the form of a compact unit and permitting the simulation of different lung types by adjustment of the lung parameters.

Abstract: Apparatus for processes of checking anesthesia and ventilation devices, in the form of a test lung, comprising a lung sac (5), elastically deformable lobes (6, 7), an inlet nozzle (1) and adjustment means (8, 9, 10) for adjusting the simulation parameters. The test lung is in the form of a compact unit and permits the simulation of different lung types by adjustment of the lung parameters.

Abstract: A respirator and/or anesthesia device having a display, a computer, at least one memory and a program and at least one input unit, at least two different user profiles being provided in the memory, depending on the type of user and retrievable as needed, having a determining effect on the representation in the display as well as the input options in the input unit.