Abstract: According to an aspect, there is provided an apparatus (10) to control a sleep assistance device (30) for alleviating a user's pain during sleep. The apparatus (10) comprises: a receiver (11) configured to receive sensor data (14) associated with the user; a processor (12) configured to analyze the sensor data (14) to predict a pain measure of the user, and to generate a control signal (15) for the sleep assistance device (30) in accordance with the predicted pain measure; and a transmitter (13) configured to transmit the control signal (15) to the sleep assistance device (30) for alleviating pain.

Abstract: A system (10) configured to facilitate humidification of a pressurized flow of breathable gas delivered to a subject (12) comprises a pressure generator (14), a nebulizer (16), a heater (38), one or more hardware processors (22), and/or other components. The pressure generator is configured to generate a pressurized flow of breathable gas for delivery to an airway (24) within a trachea of the subject. The nebulizer is configured to provide fluid droplets (54) to the breathable gas. The heater is configured to heat a volume of the breathable gas before the droplets are supplied to the breathable gas. The breathable gas received by the subject exhibits a target temperature and humidity level at short distance d from the nebulizer due to one or more of a number of the droplets, an average size of the droplets, a gas flow rate, and/or an amount of heating power.

Abstract: There is provided a computer-implemented for controlling a system, the method comprising: acquiring conditions under which data required for analyzing a first biological parameter is to be captured; determining, based on the conditions, requirements associated with an orientation of a body part, a position of a body part, a movement of a body part, and/or a level of a second biological parameter; acquiring, based on the requirements, a current orientation of the body part, a current position of the body part, a current movement of a body part of the subject, and/or a current level of the second biological parameter; determining a required adjustment of an orientation of the body part, a position of the body part, and/or a second biological parameter, based on the respective requirement and the information associated with the respective requirement; generating guidance for the subject based on the determined required adjustment.

Abstract: The present invention provides a system (10) for humidification of a pressurized flow of breathable gas delivered to a patient, the system comprising; a ventilator (12) for generating a pressurized flow of breathable gas; a patient circuit (14) in fluid communication with the ventilator and connectable to the respiratory system of a patient; and an aerosol generator (18). The patient circuit defines an internal space (26) for transporting the flow of breathable gas which internal space accommodates the outflow opening (20) of the aerosol generator. This enables to prevent so-called rainout and a relatively light weight portable system. The invention also relates to an insert (30) that is connectable to the patient circuit and that accommodates the aerosol generator.

Abstract: Provided is a system for adsorbing a gaseous component comprising nitrogen from a pressurized flow of air containing the gaseous component. The system comprises a first adsorption bed, and a second adsorption bed. Each of the adsorption beds are suitable for selectively adsorbing the gaseous component from the flow of air to produce a product gas having a higher oxygen concentration than that of the air. The system includes an adjustable feed gas supply which alternately supplies the first adsorption bed and the second adsorption bed with the air. The first adsorption bed is supplied with air during a first half cycle of operation of the system, and the second adsorption bed is then supplied with air during a second half cycle of operation of the system. The feed gas supply enables adjustment of at least one parameter relating to the amount or respective amounts of air being supplied to the first adsorption bed in the first half cycle and/or to the second adsorption bed in the second half cycle.

Abstract: The present disclosure pertains to a system configured to generate oxygen including a compressor configured to intake and pressurize gas, an oxygen separation unit comprising a first sieve bed, a second sieve bed, and an input receiving the stream of gas from an output of the compressor. The oxygen separation unit generates an oxygen flow by separating oxygen from the stream of gas. A membrane module in fluid connection with an output of the oxygen separation unit is configured to purify the oxygen flow generated by the oxygen separation unit. A valve arrangement is configured to direct, periodically, at least some of the oxygen flow from the membrane module through the sieve beds to purge the sieve beds with retentate gas and exhaust such retentate gas. One or more processors control the valve arrangement, so as to control the oxygen flow and purging of the sieve beds.

Abstract: The present disclosure describes a system and method for maintaining oxygen purity in portable oxygen concentrators, even with asymmetric generation of oxygen enriched gas volumes from different sieve beds of the concentration system. The present system and method compensate for asymmetric oxygen enriched gas generation using asymmetric delivery of purge volumes. Purge valves are used to deliver the asymmetric purge gas volumes, enables the system to maintain oxygen purity without additional power consumption, even when a portable oxygen concentrator does not include a product tank. The present system and method are configured such that asymmetry in enriched oxygen generation can be monitored and the asymmetric purge gas compensation can be applied independently from other control mechanisms of a portable oxygen concentrator.

Abstract: There is provided a portable oxygen concentrator. The portable oxygen concentrator comprises a sieve bed comprising an inlet and an outlet; a first region of adsorbent material adjacent the inlet; and a second region of adsorbent material adjacent the outlet. The first and second regions of adsorbent material comprise beads of adsorbent material. The first region comprises beads of a first size and the second region comprises beads of a second size which is larger than the first size.

Abstract: Provided is a system for adsorbing a gaseous component comprising nitrogen from a pressurized flow of air containing the gaseous component. The system comprises a first adsorption bed, and a second adsorption bed. Each of the adsorption beds are suitable for selectively adsorbing the gaseous component from the flow of air to produce a product gas having a higher oxygen concentration than that of the air. The system includes an adjustable feed gas supply which alternately supplies the first adsorption bed and the second adsorption bed with the air. The first adsorption bed is supplied with air during a first half cycle of operation of the system, and the second adsorption bed is then supplied with air during a second half cycle of operation of the system. The feed gas supply enables adjustment of at least one parameter relating to the amount or respective amounts of air being supplied to the first adsorption bed in the first half cycle and/or to the second adsorption bed in the second half cycle.

Abstract: The invention provides a system for alerting a second subject (e.g. a parent) based on a wellbeing state of a first subject (e.g. a child) when the first subject is sleeping in the same room as the second subject. An arrangement of sensors is used for sensing data from the first subject and a processor is configured to determine the presence of the first subject from the sensing data. Based on the first subject being present, the processor is further configured to determine the state of the first subject based on the sensing data from the arrangement of sensors and then determine whether to alert the second subject based on the state of the first subject. An alarm is provided for alerting the second subject.

Abstract: The invention provides an interactive user system adapted to adjust the manner in which the interactive user system interacts with a target user and a support user, the support user being a support provider of the target user. The interactive user system includes a sensor arrangement comprising one or more sensors for monitoring the target user and the support user and/or receiving an input from the target user and/or the support user, thereby obtaining user data relating to a mental state of the target user and the support user, for example a behavioral state or a psychological state of the target user and the support user. The interactive user system further includes a processor adapted to: operate the interactive user system in an initial operation mode, the initial operation mode having a mode type; determine, based on the user data and the mode type, an operation mode adjustment; and apply the operation mode adjustment to the interactive user system.

Abstract: Disclosed is an air purification system (10) comprising an air purifier apparatus (50) for removing a pollutant from air, a sensor (21, 23) for sensing a concentration of the air pollutant and a scent release apparatus (40) responsive to a scent release signal, wherein the air purification system further comprises a processor (31) adapted to monitor the pollutant concentration from sensor data received from the sensor and to generate the scent release signal upon the monitored pollutant concentration falling below a defined threshold. Also disclosed is a method of generating a scented atmosphere in a room housing an air purification apparatus (50) for removing a pollutant from the air in the room.

Abstract: The present invention relates to a heating device. In order to allow heating essentially without any latency period and with low costs, the heating device comprises: at least one container (12) having an inlet opening (14) and an outlet opening (16) and comprising an adsorbent agent (18) being provided between said inlet opening (14) and outlet opening (16) and being capable of adsorbing an adsorbate thereby releasing adsorption energy; and a gas conveying device (21) for conveying an adsorbate comprising gas through the interior of the container (12); wherein a gas conduit (22) is provided being connected to the outlet opening (16) of the container (12) for guiding the gas heated by adsorption energy inside the container (12) to a location to be heated with elevated temperature. The present invention further relates to a heating method.

Abstract: The present disclosure describes a system and method for maintaining oxygen purity in portable oxygen concentrators, even with asymmetric generation of oxygen enriched gas volumes from different sieve beds of the concentration system. The present system and method compensate for asymmetric oxygen enriched gas generation using asymmetric delivery of purge volumes. Purge valves are used to deliver the asymmetric purge gas volumes, enables the system to maintain oxygen purity without additional power consumption, even when a portable oxygen concentrator does not include a product tank. The present system and method are configured such that asymmetry in enriched oxygen generation can be monitored and the asymmetric purge gas compensation can be applied independently from other control mechanisms of a portable oxygen concentrator.

Abstract: The present invention provides a system (10) for humidification of a pressurized flow of breathable gas delivered to a patient, the system comprising; a ventilator (12) for generating a pressurized flow of breathable gas; a patient circuit (14) in fluid communication with the ventilator and connectable to the respiratory system of a patient; and an aerosol generator (18). The patient circuit defines an internal space (26) for transporting the flow of breathable gas which internal space accommodates the outflow opening (20) of the aerosol generator. This enables to prevent so-called rainout and a relatively light weight portable system. The invention also relates to an insert (30) that is connectable to the patient circuit and that accommodates the aerosol generator.

Abstract: The present disclosure pertains to a system configured to generate oxygen including a compressor configured to intake and pressurize gas, an oxygen separation unit comprising a first sieve bed, a second sieve bed, and an input receiving the stream of gas from an output of the compressor. The oxygen separation unit generates an oxygen flow by separating oxygen from the stream of gas. A membrane module in fluid connection with an output of the oxygen separation unit is configured to purify the oxygen flow generated by the oxygen separation unit. A valve arrangement is configured to direct, periodically, at least some of the oxygen flow from the membrane module through the sieve beds to purge the sieve beds with retentate gas and exhaust such retentate gas. One or more processors control the valve arrangement, so as to control the oxygen flow and purging of the sieve beds.

Abstract: Presented is an air cleaning system, comprising: an electrostatic precipitation air filter comprising a collector electrode, a repeller electrode and a corona wire; a detection system for detecting particles; characterized in that: the detection system is configured to determine a status of the electrostatic precipitation filter from an amount of particles present on the collector electrode. Further presented are methods for determining a status of an electrostatic precipitation air filter and methods for determining a particle size distribution in air.

Abstract: A sleep monitoring system (10) for monitoring the sleep of a pair of subject comprises a pair of CO2 sensors (21,21?) for mounting in different sleeping regions within a space (1) and a processor (31) communicatively coupled to the pair of CO2 sensors. The processor is adapted to, for each CO2 sensor in a particular sleeping region, monitor (203) a CO2 concentration from sensor data produced by the CO2 sensor in said particular sleeping region to detect a presence of a subject in said sleeping region; to register (207) the monitored CO2 concentration upon detecting (205) said presence; to determine (303) a degree of crosstalk between said CO2 sensors upon detecting said presence; and to derive (305, 313) sleep pattern information for said subject from the registered CO2 concentration during said presence as a function of the determined degree of crosstalk, wherein the sleep pattern information comprises at least an indication that the subject is awake and an indication that the subject is asleep.

Abstract: A particle sensor uses an electrostatic particle charging section in the form of an ionization chamber. A flow sensor arrangement is used to produce a signal which is representative of the amount of gas flow between the outside of the ionization chamber and the inside of the ionization chamber. This information is indicative of the flow conditions, and can be used to determine when adverse flow conditions are present which may adversely affect the performance or lifetime of the particle sensor.

Abstract: The present invention relates to a system for monitoring asthma symptoms of a subject (12), comprising a monitoring unit (14) configured to monitor at least one objective asthma symptom of the subject, an analysis unit (16) configured to determine an asthma status of the subject based on the at least one objective asthma symptom monitored by the monitoring unit, a test unit (18) configured to provide a test for collecting subjective asthma symptoms from the subject, if the at least one objective asthma symptom monitored by the monitoring unit (14) has changed in a manner that the change reveals a deterioration of the asthma status of the subject. Further the system comprises a calibration unit (24) configured to calibrate the at least one objective asthma symptom gathered from the subject with respect to a calibration test, wherein the calibration unit (24) is arranged to perform calibration at least once during an initial phase of use of the system (10).