Abstract: The present application is directed to a detector to detect or generate measuring signals that are indicative of the respiration of a person, wherein said detector can be used advantageously in view of hygiene and stands out due to a simple and robust configuration. According to a first aspect, the detector detects a signal that is indicative of the activity of the respiratory muscles of a person to be examined, the detector comprising a band which, in the application position, is passed around a torso region which widens and narrows when the person to be examined breathes, as well as a structure that is included in the band and loaded in accordance with the narrowing or widening of the torso region. The structure is configured such that it causes a change in the volume of a measuring space device depending on a tensile force.

Abstract: The present invention relates to a mouthpiece for controlled delivery of a breathing gas including oxygen, preferably an increased ratio of oxygen with respect to ambient air, to the respiratory tracts of a user comprising a valve having two modes; a closed default mode, which substantially impedes any flow of the breathing gas through the valve; and an active open mode, which allows for a substantial flow of the breathing gas through the valve, wherein the open mode can be activated by the user manipulating the valve with his/her mouth. The invention also relates to the use of such a valve in a device for delivery of breathing gas and further to an apparatus for controlled delivery of the breathing gas to the respiratory tracts of a user. Finally, the invention also relates to a method for controlled delivery of the breathing gas to the respiratory tracts of a user.

Abstract: A holding arrangement for a respiratory mask includes a strap portion having at least a portion providing a multi-layered construction including a rigid or semi-rigid material enclosed by a softer, patient contacting material. The rigid or semi-rigid material includes a flat plastic layer and the softer, patient contacting material includes a fabric layer provided between the flat plastic layer and the patient's skin and adapted to contact the patient's skin. Lateral edges of the multi-layered construction are fixed by stitching.

Abstract: A holding device for a respiratory mask includes a headband adapted to extend in an application position from a forehead portion of a patient around a back head portion of the patient. A strengthening element is releasably coupled to the headband to add flexural strength to the headband. The strengthening element is adapted to extend from the forehead portion laterally to respective ear portions and to descend behind the respective ear portions towards the patient's neck. The strengthening element has bracket sections positioned below respective ear portions adjacent the back head portion. A support is coupled to respective bracket sections to support the bracket sections in the back head portion.

Abstract: A device for detecting electrical potentials in the forehead area of a patient has a transverse member adapted to rest against the forehead of the patient, a vertical member extending crosswise to the transverse member and a mask on the vertical member. Electrodes are provided on the transverse members at least at its ends and at the center at which the vertical bar crosses the transverse member.

Abstract: A device for detecting electrical potentials in the forehead area of a patient has a transverse member adapted to rest against the forehead of the patient, a vertical member extending crosswise to the transverse member and a mask on the vertical member. Electrodes are provided on the transverse members at least at its ends and at the center at which the vertical bar crosses the transverse member.

Abstract: A device and a method for evaluating a signal that can indicate the respiration of a person, particularly suitable for examining a patient with respect to the occurrence of sleep-related breathing disturbances. In one example, a device for evaluating a signal indicative of the temporal course of the respiration of a patient, in particular a respiratory flow signal, includes an electronic evaluation program or circuitry which is configured in such a manner that it evaluates the signal by continuously generating intermediate evaluation results for short signal periods and for longer signal periods being parallel thereto, and performs an identification of respiratory patterns in the time signal or in specific time periods on the basis of the position of the intermediate evaluation results of the short signal periods relative to the intermediate evaluation results of the longer signal periods.

Abstract: The invention relates to a headband means (1) used for applying a breathing mask (2) in a user's facial area. Said headband means (1) comprises a flexible band body that is provided with upper and lower band portions (3, 4) and is used for transmitting the mask holding forces required for applying the breathing mask. At least some portions of the band body are made of a foamed plastic material. The invention further relates to an application device (102) for a breathing mask, comprising a headband means which extends around the back of a user's head. The headband means encompasses a supporting structure (S) made of a material that can at least once be temporarily brought into a state in which at least some portions of the headband means can be individually adjusted to the shape of the back of the user's head.

Abstract: An apparatus for supplying a respiratory gas to a patient within the scope of the diagnosis and/or the treatment of sleep-related breathing disorders includes an electronic signal processing device for generating a pressure control signal on the basis of indicative signals relating to the breathing activity and/or the physiological state of a person. The signal processing device comprises a signal inputting device and an extraction device for generating data field entries according to predefined signal analysis procedures. A pressure signal generator is provided for generating the pressure control signal, taking into account determined data field entries which are at least selected by the extraction device.

Abstract: The invention is directed to an apparatus and a method for surveying and analyzing flow signals that can be picked up by means of flow measuring arrangements in the flow through breathing gas supply systems, in particular CPAP devices, air humidifiers, breathing gas lines, and breathing masks. One aspect of the invention is to furnish ways to increase the reliability of flow signals. In one embodiment, there is provided a device for evaluating a flow signal, picked up from a line provided for carrying breathing gas, having an electronic measurement data processor. The measurement data processor is configured such that it subjects the measurement data detected to a time-frequency-amplitude (TFA) series analysis and generates recordings, by which for the flow signal, the amplitude value of the frequencies contained is apparent.

Abstract: An apparatus for supplying a respiratory gas to a patient within the scope of the diagnosis and/or the treatment of sleep-related breathing disorders includes an electronic signal processing device for generating a pressure control signal on the basis of indicative signals relating to the breathing activity and/or the physiological state of a person. The signal processing device includes a signal inputting device and an extraction device for generating data field entries according to predefined signal analysis procedures. A pressure signal generator is provided for generating the pressure control signal, taking into account determined data field entries which are at least selected by the extraction device.

Abstract: A forehead support device for a breathing mask includes a forehead support portion adapted to contact a forehead region of a user, a conduit element adapted to couple a respiratory gas conduit to the breathing mask, and a coupling structure provided between the forehead support portion and the conduit element and structured to support the conduit element at a predetermined spacing from the forehead support portion. The forehead support portion is displaceably engaged with the coupling structure such that the forehead portion can be selectively displaced relative to the coupling structure.

Abstract: An application device for a breathing mask arrangement includes a base portion, a holding portion structured to support a mask and pivotally mounted to the base portion for pivotal movement about a first pivcit axis, a right arm element pivotally mounted to the base portion for pivotal movement about a second pivot axis, and a left arm element pivotally mounted to the base portion for pivotal movement about a third pivot axis. The right and left arm elements are each provided with a contact portion for bearing against a right and a left forehead zone respectively of a mask user. The holding portion, the right arm element, and left arm element can be pivoted with respect to the base portion about the respective first, second, and third pivot axes.

Abstract: An apparatus for supplying a respiratory gas includes a conveyor device for conveying the respiratory gas, a conduit for feeding the respiratory gas conveyed by the conveyor device to a person, and a humidification device for humidifying the respiratory gas. A sensor device is configured to generate a signal indicative of the respiratory gas humidity and a control device is configured to control the humidification device with regard to the signal which is generated by the sensor device. A method of supplying a respiratory gas to a patient, in which the respiratory gas is introduced by means of a conveyor device into the conduit leading to the patient and is humidified, includes operating the conveyor device so that a respiratory gas pressure which is above ambient pressure is provided in the conduit, and adjusting the humidity on the basis of signals indicative of the relative and/or absolute humidity of the respiratory gas generated by the sensor device.

Abstract: The present application is directed to a detector to detect or generate measuring signals that are indicative of the respiration of a person, wherein said detector can be used advantageously in view of hygiene and stands out due to a simple and robust configuration. According to a first aspect, the detector detects a signal that is indicative of the activity of the respiratory muscles of a person to be examined, the detector comprising a band which, in the application position, is passed around a torso region which widens and narrows when the person to be examined breathes, as well as a structure that is included in the band and loaded in accordance with the narrowing or widening of the torso region. The structure is configured such that it causes a change in the volume of a measuring space device depending on a tensile force.

Abstract: A method and a device are provided for detecting the respiratory activity of a person and for controlling the time progression of breathing gas pressure, especially in accordance with physical parameters and considering parameters indicating the momentary physiological condition of the breathing person. The device for detecting the respiratory activity of a person has at least one sensor that provides a first signal indicating the breathing gas flow, wherein at least one signal processing device is provided for processing the first signal. The signal processing device is configured in such a way that said device determines a reference-relation on the basis of the first signal detected during a first time interval. On the basis thereof, the device determines a correlation-relation between the reference-relation and the first signal.

Abstract: An apparatus for supplying a respiratory gas includes a conveyor device for conveying the respiratory gas, a conduit for feeding the respiratory gas conveyed by the conveyor device to a person, and a humidification device for humidifying the respiratory gas. A sensor device is configured to generate a signal indicative of the respiratory gas humidity and a control device is configured to control the humidification device with regard to the signal which is generated by the sensor device. A method of supplying a respiratory gas to a patient, in which the respiratory gas is introduced by means of a conveyor device into the conduit leading to the patient and is humidified, includes operating the conveyor device so that a respiratory gas pressure which is above ambient pressure is provided in the conduit, and adjusting the humidity on the basis of signals indicative of the relative and/or absolute humidity of the respiratory gas generated by the sensor device.

Abstract: A forehead support device for a breathing mask includes a forehead support portion adapted to contact a forehead region of a user, a conduit element adapted to couple a respiratory gas conduit to the breathing mask, and a coupling structure provided between the forehead support portion and the conduit element and structured to support the conduit element at a predetermined spacing from the forehead support portion. The forehead support portion is displaceably engaged with the coupling structure such that the forehead portion can be selectively displaced relative to the coupling structure.

Abstract: The present invention is related to a cushion (1) for a respiratory mask, to a method of manufacturing such a cushion (1) as well as to a respiratory mask including a cushion (1) and an apparatus for manufacturing a cushion (1) for a respiratory mask. It is particularly referred to a method of manufacturing a cushion (1) for a respiratory mask, comprising the steps of providing a mold comprising at least two mold halves (11, 13) and at least one core (12) therein, closing the mold, injecting a first material into the mold to form the cushion (1), wherein the core (12) is enclosed by the cushion (1) thereby forming at least one cavity (4), opening the mold, removing the core (12) from the cushion (1) to provide the at least one cavity within the cushion (1), and sealing the cavity (4).