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: A sleep monitoring system (10) for monitoring the sleep of a subject is disclosed. The system comprises a CO2 sensor (21) and a processor (31) communicatively coupled to the CO2 sensor, wherein the processor is adapted to monitor a CO2 concentration from sensor data produced by the CO2 sensor; and derive sleep pattern information from the monitored CO2 concentration, wherein the sleep pattern information comprises at least an indication that the subject is awake and an indication that the subject is asleep. A sleep monitoring method and computer program product are also disclosed.

Abstract: An optical vital signs sensor (100) is provided, which comprises a PPG sensor (102), a force transducer (130) configured to measure a force applied via the PPG sensor (102) to a skin (1000) of the user and a processing unit (140) configured to extract information regarding a blood volume pulse from the output of the PPG sensor (102) and to map the extracted information to the blood pressure value at a specific force applied to the PPG sensor (102).

Abstract: An apparatus and method for determining a calibration parameter for a blood pressure measurement device. According to an aspect, there is provided an apparatus for determining a calibration parameter for a first blood pressure, BP, measurement device, the apparatus comprising a control unit that is to be coupled to a first BP measurement device that is for obtaining physiological characteristic measurements of a physiological characteristic of a subject and for determining a blood pressure measurement of the subject from the physiological characteristic measurements, a second BP measurement device that is for obtaining measurements of the blood pressure of the subject and a ventilator that is for providing a controlled flow of gas to the subject.

Abstract: Disclosed is an air purification system (10) including an air purification apparatus (100) comprising an air inlet (112); an air outlet (114) for expelling air in a target direction (116) into a region and including an adjustment mechanism (121) arranged to adjust said target direction in response to a target direction adjustment signal from a control system for aiming the air outlet at the face of a person in said region; at least one pollutant removal structure (101) in between the air inlet and the air outlet; and an air displacement apparatus (113) for displacing air from the air inlet to the air outlet through the at least one pollutant removal structure, and a sensor (151, 160, 135) adapted to determine a breathing parameter of the person, wherein the air purification apparatus is configured to expel said air as a function of said breathing parameter. A computer program product for configuring such a control system is also disclosed.

Abstract: A sleep monitoring system (10) for monitoring the sleep of a pair of subject comprises a pair of C02 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: Disclosed is an air purification system (10) including an air purification apparatus (100) comprising an air inlet (112); an air outlet (114) for expelling air in a target direction (116) into a region and including an adjustment mechanism (121) arranged to adjust said target direction in response to a target direction adjustment signal from a control system for aiming the air outlet at the face of a person in said region; at least one pollutant removal structure (101) in between the air inlet and the air outlet; and an air displacement apparatus (113) for displacing air from the air inlet to the air outlet through the at least one pollutant removal structure, and a sensor (151, 160, 135) adapted to determine a breathing parameter of the person, wherein the air purification apparatus is configured to expel said air as a function of said breathing parameter. A computer program product for configuring such a control system is also disclosed.

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: An oxygen separator for generating an oxygen-enriched gas from an oxygen comprising gas, said oxygen separator comprising: a) an oxygen separator device comprising i) a sorbent material for sorbing at least one component of the oxygen comprising gas; and ii) at least two controllable interfaces, comprising a first controllable interface and a second controllable interface, for controlling the communication of gas between the inside and the outside of the oxygen separator device, b) a processor for controlling the oxygen separator such that a plurality of phases are sequentially carried, amongst them a purging phase; wherein the processor is configured to control the at least two controllable interfaces such that a flow of gas is generated between the first controllable interface and the second controllable interface during at least the purging phase, wherein the second controllable interface is located and/or controlled such that it controls the fluidic coupling between the inside of the oxygen separator devi

Abstract: An air purification apparatus (100) for purifying air in a target space external to the apparatus is disclosed that comprises at least one pollutant removal structure (130; 131, 132) for removing a pollutant from the air in fluid connection with a major vent (110) and a directional vent arrangement comprising a directional inlet (112) for drawing air into the air purification apparatus from a region of the target space in an aiming direction of the directional inlet; and a directional outlet (114) for expelling air in a further aiming direction towards the region.

Abstract: The invention relates to an a sensor system (100) for quantitatively detecting at least one compound in a fluid mixture, said fluid mixture comprising the compound to be detected, wherein the sensor system (100) comprises a sorbent material (102) being capable of sorbing the at least one compound to be detected, wherein the sorbent material (102) undergoes a temperature change when sorbing the at least one compound; at least a first temperature sensor (104) for measuring the temperature of the sorbent material (102); and a control unit (110) being adapted for quantitatively determining the at least one compound to be detected based on the temperature change of the sorbent material (102). Such a sensor system (100) provides an improved measurement especially in the field of oxygen concentrators. The invention further relates to an oxygen concentrator (10) for generating oxygen enriched gas as well as to a method of quantitatively detecting at least one compound in a fluid mixture.

Abstract: A sleep monitoring system (10) for monitoring the sleep of a subject is disclosed. The system comprises a CO2 sensor (21) and a processor (31) communicatively coupled to the CO2 sensor, wherein the processor is adapted to monitor a CO2 concentration from sensor data produced by the CO2 sensor; and derive sleep pattern information from the monitored CO2 concentration, wherein the sleep pattern information comprises at least an indication that the subject is awake and an indication that the subject is asleep. A sleep monitoring method and computer program product are also disclosed.

Abstract: The present disclosure pertains to sieve bed. The sieve bed comprises a housing configured to define a path for a flow of oxygen comprising gas. The housing comprises a gas inlet configured to guide the flow of oxygen comprising gas into the housing; a gas outlet configured to guide a flow of oxygen enriched gas out of the housing; and a sieve bed configured to receive the flow of oxygen comprising gas from the gas inlet, wherein the flow of oxygen comprising gas flows through the sieve bed and oxygen enriched gas flows out of the sieve bed via the gas outlet, and wherein the path of the flow of oxygen comprising gas through the sieve bed is longer than a longest dimension of the housing.

Abstract: The invention relates to an oxygen separator for generating a flow of oxygen-enriched gas, said oxygen separator comprising at least two oxygen separation devices arranged to separate oxygen from an oxygen comprising gas, said at least two oxygen separation devices each comprising a first end for receiving the oxygen comprising gas and a second end for delivering an oxygen-enriched gas. The oxygen separator further comprising an equalization duct fluidically coupled to the respective second end of said at least two oxygen separation devices, a first gas sensor is provided in the equalization duct such that the first gas sensor is arranged to monitor at least one component of the oxygen-enriched gas in the equalization duct; and control device arranged to control the oxygen separator based on the monitoring by the first gas sensor.

Abstract: An oxygen separator for generating an oxygen-enriched gas from an oxygen comprising gas, said oxygen separator comprising: a) an oxygen separator device comprising i) a sorbent material for sorbing at least one component of the oxygen comprising gas; and ii) at least two controllable interfaces, comprising a first controllable interface and a second controllable interface, for controlling the communication of gas between the inside and the outside of the oxygen separator device, b) a processor for controlling the oxygen separator such that a plurality of phases are sequentially carried, amongst them a purging phase; wherein the processor is configured to control the at least two controllable interfaces such that a flow of gas is generated between the first controllable interface and the second controllable interface during at least the purging phase, wherein the second controllable interface is located and/or controlled such that it controls the fluidic coupling between the inside of the oxygen separator devi

Abstract: The present invention refers to an oxygen separation system (10), comprising a support (12) for accommodating a plurality of autonomous oxygen separation units (14), wherein the support (12) comprises a plurality of fastening positions having fastening means for receiving an oxygen separation unit (14); and a plurality of autonomous oxygen separation units (14) being attached to said support (12), each oxygen separation unit (14) comprising at least one oxygen separation device (28) with an oxygen separation sorbent (30) being capable of separating oxygen from an oxygen comprising gas by sorbing at least one component of the oxygen comprising gas apart from oxygen, and a gas conveying device (44) for guiding a flow of oxygen comprising gas through the oxygen separation device (28). Such an oxygen separation system (10) may have significant improvements against the systems of the prior art, particularly referring to space, weight, energy consumption, variability, flexibility and maintenance behavior.

Abstract: A surface treatment device (100) is disclosed that comprises a conduit (110) including an air inlet (105) and an air outlet (115). The conduit comprises a reactive particles generator (130) for generating reactive particles from air and arranged to subject the surface to the generated reactive particles. The reactive particles generator (130) is also used for generating an air flow from the air inlet to the air outlet through the conduit.

Abstract: Apparatus and methods are disclosed herein for capturing targeted gas in air. An air purification apparatus (110) is presented comprising: a targeted gas capture chamber (120) with an air inlet (118) and an air-permeable wall (122) configured to at least partially capture a targeted gas from air that passes into the air inlet and through the air-permeable wall; and a targeted gas removal unit (126) that is periodically positionable adjacent to the air-permeable wall of the targeted gas capture chamber to at least partially remove, e.g., via adsorption, the targeted gas captured by the air-permeable wall.

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: A power supply system comprises a fuel cell and a battery, each for supplying electrical power to a load. The system is controlled to use the fuel cell for a first period of time (82) to supply electrical power to the load, wherein the power demand is constant over a first time period (82). The battery is used simultaneously with the fuel cell for a second supply time of electrical power to the load, wherein the power varies (84). In this way, fluctuating output is provided by the battery, and the fuel cell output is maintained as constant as possible to prolong the lifetime. During the second supply time, the power to the load (80) can be provided as a constant contribution from the fuel cell and a variable contribution from the battery.