6488 results about "Humidifiers" patented technology

A respiratory apparatus for delivering breathable gas to a patient includes a flow generator that generates a supply of pressurised gas to be delivered to the patient; a humidifier for vaporising water and delivering water vapor to humidify the gas; a gas flow path leading from the flow generator to the humidifier and from the humidifier to a patient interface; and a heater in thermal contact with the gas and / or the water, wherein the heater comprises an elongate heating filament in the form of a tape. A humidifier for respiratory apparatus includes a first respiratory gas passage for receiving gas from a flow generator, a humidifier chamber, a second respiratory gas passage for delivering humidified gas to a patient interface, and a heater in thermal contact with the gas and / or the water, wherein the heater comprises an elongate heating filament extending along at least part of both said first and second respiratory gas passages. A conduit for use in a respiratory apparatus for delivering breathable gas to a patient includes a tube; a helical rib on an outer surface of the tube; and a plurality of wires supported by the helical rib in contact with the outer surface of the tube.

A PAP system for delivering breathable gas to a patient includes a flow generator to generate a supply of breathable gas to be delivered to the patient; a humidifier including a heating plate to vaporize water and deliver water vapor to humidify the supply of breathable gas; a heated tube configured to heat and deliver the humidified supply of breathable gas to the patient; a power supply configured to supply power to the heating plate and the heated tube; and a controller configured to control the power supply to prevent overheating of the heating plate and the heated tube.

A PAP system for delivering breathable gas to a patient includes a flow generator to generate a supply of breathable gas to be delivered to the patient; a humidifier including a heating plate to vaporize water and deliver water vapor to humidify the supply of breathable gas; a heated tube configured to heat and deliver the humidified supply of breathable gas to the patient; a power supply configured to supply power to the heating plate and the heated tube; and a controller configured to control the power supply to prevent overheating of the heating plate and the heated tube.

A humidifier and humidity sensor for use with a breathing assistance apparatus. The humidity sensor senses absolute humidity, relative humidity and / or temperature at both the patient end and humidifier end. The humidifier may also include provision to both control independently the humidity and temperature of the gases. Further, a chamber manifold facilitates easy connection of the humidifier to various outlets, inlets and sensors. A heated conduit provides a more effective temperature profile along its length.

The present invention relates to the connections between respiratory humidifiers and / or other such devices and heated breathing conduits used to couple a patient to the humidifier. In particular, the invention is a connector to couple a gases supply means and a conduit, such that the connector causes there to be an electrical and pneumatic, that is, sealed connection between a conduit including an electrical wire extending within, throughout or about it and a gases supply device, such as a humidifier, blower or the like. The connector may be of a single port type or a dual port type. The dual port type connector is suitable for ventilator apparatus that have a dry line (dry breathing conduit) extending from a ventilator or blower that carries dry gas to a humidifier and an inspiratory limb that extends from the humidifier to the patient and carries humidified gases to the patient.

A humidifier for a respiratory apparatus for delivering a humidified flow of breathable gas to a patient includes a humidifier chamber configured to store a supply of water to humidify the flow of breathable gas, the humidifier chamber comprising a first heating element configured to heat the supply of water; a relative humidity sensor to detect a relative humidity of ambient air and generate signals indicative of the ambient relative humidity; a first temperature sensor to detect a temperature of ambient air and generate signals indicative of the ambient temperature; and a controller configured to determine an absolute humidity of the ambient air from the signals generated by the relative humidity sensor and the first temperature sensor and to control the first heating element to provide a predetermined relative humidity to the flow of breathable gas. A method of humidifying a flow of breathable gas to be provided to a patient includes determining an absolute humidity of ambient air used to form the flow of breathable gas; and controlling a temperature of a supply of water that humidifies the flow of breathable gas to provide a predetermined absolute humidity corresponding to a predetermined temperature and a predetermined relative humidity of the flow to be delivered to the patient.

Humidifying apparatus includes a humidifier for emitting moist air into an external environment, and a fan assembly for generating an air current within the external environment for conveying the emitted moist air away from the humidifier. The fan assembly includes a device for creating an air flow and a nozzle comprising an interior passage for receiving the air flow and a mouth for emitting the air flow. The humidifier is located behind nozzle, the nozzle extending about and defining an opening through which both air from outside the nozzle and the moist air emitted from the humidifier are drawn by the air flow emitted from the mouth.

A UV sterilizing humidifier includes a water box body provided with a water-storing box bored with a water inlet fixed with a first silica tube connected with one end of a glass tube having another end connected with a second silica tube, which is connected with the inlet tube of the water-storing tank of a main body. The water box body is installed with a UV sterilizing lamp positioned under the glass tube and having its circumference provided with an isolating layer for preventing UV light from transmitting to the outer environment. The water box body further has an atomization chamber for receiving atomized substance. A main body is disposed with a water-storing tank for storing a proper amount of water, an oscillator for atomizing the water inside and a detecting element for detecting the water amount therein for insuring safety of using the humidifier.

A humidifier includes a tub. The tub includes a base plate; a tub base; a seal between the base plate and the tub base; and a latch mechanism that connects the base plate to the tub base so that the base plate is engaged with the seal. The latch mechanism may include an overcenter latch pivotably attached to the tub base and latch tabs formed on the base plate, the overcenter latch engaging the latch tabs in the connected position to connect the base plate to the tub base. The latch mechanism may alternatively include resilient tabs on the tub base, the resilient tabs elastically biasing the base plate toward the tub base upon connection of the base plate to the tub base. The resilient tabs may include tamper evident projections that indicate that the base plate has been disconnected from the tub base. The base plate may be stainless steel and be formed by stamping. The base plate may include a stamped ring. The humidifier further includes a tub lid configured to cover the tub to form a water container. A cradle receives the water container. A hinged lid on the cradle is pivotable between an open position permitting insertion of the water container into the cradle and a closed position covering the inserted water container. A heating element contacts the base plate when the water container is inserted into the cradle. The humidifier is connectable to a flow generator of a CPAP device.

Humidifier apparatus for a respiratory apparatus includes a housing providing a gas flow path, a heater apparatus, and a water supply distribution member configured and arranged to deliver water vapour to the gas flow path. The water distribution member is provided to the housing and in thermal communication with the heater apparatus.

A molded base plate for use in a humidifier and ventilation assembly is disclosed. The base plate is connected to a cover which forms the water chamber of the humidifier. A thermally conductive material is used in the molding process of the base plate so that heat applied to the base plate is conducted into the water.

A respiratory treatment device comprising a flow generator and a humidifier adapted to receive a supply of air at positive pressure from the flow generator and deliver it to an air delivery tube, wherein the humidifier includes a base, a humidifier lid, and a water tank, and the water tank includes a water tank lid, the water tank is removably receivable in the base to define a first air flow path from the flow generator to an interior of the water tank, and the humidifier lid is connectable to the air delivery tube, and is adapted to form a seal with the water tank lid to define a second air flow path from the interior of the water tank to the air delivery tube.

A humidifier and humidity sensor is disclosed for use with a breathing assistance apparatus. The humidity sensor preferably includes means to sense absolute humidity, relative humidity and / or temperature at both the patient end and humidifier end. The humidifier may also include provision to both control independently the humidity and temperature of the gases. Further, a chamber manifold is disclosed to facilitate easy connection of the humidifier to various outlets, inlets and sensors. A heated conduit is described which provides a more effective temperature profile along its length.

An intelligent instrumented air cleaner comprises a multi-functional sensor, a central processor, a cloud server, a wireless communication module, a purification device, an alarm device, a motor driving mechanism and a humidifier. According to the intelligent instrumented air cleaner, updating and exchange of memory data are realized through the connection between the wireless communication module and a cloud server of the Internet of Things, the air cleaner is controlled through the connection between a mobile device and the cloud server so that a remote controller can be replaced, remote network control is also realized, the cloud server also has an analysis function and a processing result advice providing function and sends processed data to users for reference, the users can set the working state of the air cleaner by themselves and define working strategies by themselves, the air cleaner saves the strategies automatically and performs actions according to the strategies, and self-selection of self-learning setting optimization is conducted on the data in a memory through big data analysis and processing. By the adoption of the intelligent instrumented air cleaner, an intelligent instrumented household net and an intelligent instrumented office net are realized in the true sense, air is purified, safe and reliable living and working environments are provided, useless consumption of electric energy of a traditional air cleaner is avoided, energy consumption is reduced, using pleasure of a user is improved, the parameters of the environment where the user is located are provided for the user in time, and reliable parameters and solutions are provided for environment change handling.

Breathing assistance apparatus including humidifier (4) and heated conduit (6) adapted to deliver humidified gases at desired and accurate level of humidity to patient. Humidifier includes controller (18) that delivers flow rate, temperature and humidity of gases and then determines required power input to deliver gases as required. Need for external sensors is dispensed with providing simple and less bulky apparatus.

The present inventions provide respiratory therapy apparatus that introduce water into the pressurized air delivered to a user during various positive airway pressure therapies and corresponding methods. The respiratory therapy apparatus may be configured to administer one or more positive airway pressure therapies, including: continuous positive airway pressure therapy (CPAP), bi-level positive airway pressure therapy (BPAP), auto positive airway pressure therapy (autoPAP), proportional positive airway pressure therapy (PPAP), and / or other positive airway pressure therapies. The respiratory therapy apparatus may include a user interface that defines an interface passage to communicate pressurized air to the user for inhalation and a humidifier that introduces water into the pressurized air generally at the interface passage. Methods according to the present inventions may include introducing water into the interface passage at one or more humidifier ports disposed about the interface passage.

A method of administering an aerosolized anti-infective, such as a glycopeptide, to the respiratory system of a patient. A ratio of an amount of the glycopeptide, such as vancomycin, delivered to the pulmonary system of the patient in a 24 hour period to a minimum inhibitory amount for the target organ for the same period is about 2 or more. A system to introduce aerosolized medicament to a patient may include a humidifier coupled to an inspiratory limb of a ventilator circuit wye, where the humidifier supplies heated and humidified air to the patient, and an endotracheal tube having a proximal end coupled to a distal end of the ventilator circuit wye. The system may also include a nebulizer coupled to the endotracheal tube, where the nebulizer generates the aerosolized medicament.

An improved disposable bubble oxygen humidifier is provided having a humidifying chamber included for the blending of oxygen and moisture. A slide switch on the top of the humidifier directs pure oxygen to the patient, or alternately, routes the oxygen through the humidifier and on to the patient. Hoses are attached at an inlet supply port and an outlet discharge port.

A molded base plate for use in a humidifier and ventilation assembly is disclosed. The base plate is connected to a cover which forms the water chamber of the humidifier. A thermally conductive material is used in the molding process of the base plate so that heat applied to the base plate is conducted into the water.

A CPAP device includes a humidifier including humidifier tub having a heat conducting base plate; and a cradle to support the humidifier tub in an operative position. The cradle may also support a flow generator in operative relation to the humidifier tub. The cradle includes a heater plate in communication with the heat conducting base plate of the humidifier tub in use. The cradle further includes a retaining mechanism to retain the humidifier tub in the cradle, the retaining mechanism being structured to force the base plate into engagement with the heater plate. The humidifier and / or flow generator may include various features to manage inadvertent back-spill of water from the humidifier to the flow generator.

A breathing assistance system for delivering a stream of heated, humidified gases to a user, comprising a humidifier unit which holds and heats a volume of water, and which in use receives a flow of gases from a gases source via an inlet port, the flow of gases passing through the humidifier and exiting via an exit port, the system further having a temperature sensor which measures the temperature of the gases exiting the humidifier unit, an ambient temperature sensor which measures the temperature of gases before they enter the humidifier unit, and a flow sensor which measures the flow rate of the gases stream, the system also having a controller which receives data from the temperature and flow sensors, and which determines a control output in response, the control output adjusting the power to the humidifier unit to achieve a desired output at the humidifier unit exit port.

A CPAP device wherein humidification detection and / or control is performed by a microprocessor of the CPAP device without requiring a separate humidification control chip. The microprocessor may also control the flow generator motor and the flow generator display. Further, the microprocessor may include code to prevent ‘brown-out’, and / or to detect the availability (connection and / or operability) of the humidifier. Humidifier detection may be carried out using power consumption or temperature sensor signal analysis, e.g., facilitated by use of a pull-up resistor.

This invention relates to respiratory humidifiers and heated breathing conduits used to couple a patient to the humidifier. A conduit overheating detection system for a conduit having heating wire or element is disclosed. The overheating detection system may be utilized with a in a single limb conduit system or dual limb system. In each of these systems the conduit overheating detection system monitors the current in the heating element(s) and alters the power to the heating element(s) to prevent the occurrence the heating element(s) and / or conduit from overheating.

Breathing assistance apparatus including humidifier (4) and heated conduit (6) adapted to deliver humidified gases at desired and accurate level of humidity to patient. Humidifier includes controller (18) that delivers flow rate, temperature and humidity of gases and then determines required power input to deliver gases as required. Need for external sensors is dispensed with providing simple and less bulky apparatus.

The invention provides a steaming oven having multiple operating modes. The steaming oven is characterized by comprising an oven body, a steaming-baking module, a humidity regulating and detecting module, a menu editing and storing module, a central temperature detecting module and a control module, wherein the oven body comprises a steaming-baking chamber and a control chamber, the steaming-baking module comprises heating tubes, a steam generator, a turbo fan and an infrared thermodetector, the humidity regulating and detecting module comprises a dryer, a humidifier and a humidity detecting gauge, the menu editing and storing module comprises a menu memorizer and a USB flash disk reading port, the central temperature detecting module is used for food internal-temperature detection, and the control module comprises a photographing camera, a timer, an alarm apparatus, a controller and a central processing unit and is used for providing operation control. The steaming oven has multiple operation modes by arranging the modules, can meet the diversified food processing demands and is high in processing efficiency.

A humidifier for use with a pressure support system. The humidifier includes a body having an inlet, a fluid holding chamber, and an outlet. The inlet is positioned upstream and in fluid communication with the fluid holding chamber. The outlet is positioned downstream of and in fluid communication with the fluid holding chamber. A back-flow preventing valve is positioned upstream of the fluid chamber. The back-flow preventing valve is movable between an open position, in which the inlet is unblocked, and a closed position in which the inlet is blocked. In the closed position, the back-flow preventing valve prevents fluid, fluid vapor, or both from entering the pressure support via the inlet to the humidifier.

A humidifier includes a base defining a reservoir for retaining liquid, a humidification device for inducing dispersion of liquid withdrawn from the reservoir into the environment and a liquid storage tank having an outlet for feeding liquid into the reservoir. The humidification device includes a heated disc for evaporating a stream of liquid delivered from the reservoir to the heated disc by a delivery mechanism. The delivery mechanism may deliver the stream of liquid as a mist, a thin film or a controlled stream of liquid onto the disc.

A reservoir configured to retain a volume of liquid for use in an apparatus for humidifying a flow of pressurised air comprises a base portion and a lid portion. The reservoir may be configured to improve its level of thermal contact to the heater plate using the flow of pressurised air. The reservoir may be configured to improve thermal contact between the reservoir and the heater plate by pre-compression upon engagement of the reservoir with the humidifier. The reservoir may comprise a removable intermediate portion, which may include the inlet tube and / or the outlet tube, for improved access for cleaning. The reservoir may also be configured to prevent overfilling. Overfill prevention features in the reservoir may include defined flow egress paths and / or formation of air locks.