Abstract: A humidifying device for breathing gases. The humidifying device has a housing with a recess, a heater, an evaporating chamber with a water feed, a breathing gas feed channel, a breathing gas outlet channel and at least one float element and at least one filling level indicator. The evaporating chamber can be introduced at least partially into the recess and is in contact with the heater to heat water and is designed to receive water from a water reservoir through the water feed. The at least one float element is guided in a floatingly movable manner on the water and is designed to close the feed of water above a water level set point in the evaporating chamber, and the at least one filling level indicator is designed to recognize the drop of the water level from the water level set point as a function of the position of the at least one float element.

Abstract: An improved medicant delivery system 100 is disclosed wherein the carrier for the medicant is a fluid that can be atomized or vaporized by exposure to heat. The system provides for repeatable dose of medicant, can be stored in any orientation, and/or has an ability to maximize energy efficiency.

Abstract: A therapeutic vaporizer is disclosed having two or more housing portions configured to form an inner cavity. The housing portions are movable between an open and closed position, such that at least a portion of the inner cavity is enclosed when the housing portions are in the closed position. The vaporizer includes at least one accessory-receiving element configured to receive at least one accessory within the inner cavity when the housing portions are in the closed position.

Abstract: A tub for a humidifier includes an inner tub configured to hold a supply of water; an outer tub configured to receive the inner tub, the outer tub comprising a bottom and a cavity being formed between the bottom and the inner tub when the inner tub is received in the inner tub; and a valve configured to control a flow of the supply of water from the inner tub to the cavity. The valve is closed to prevent the flow when the inner tub is received in a first position in the outer tub and open to permit the flow when the inner tub is received in a second position in the outer tub.

Abstract: Methods and devices for inhalation therapy to deliver and embed (deposit) particles less than about 1 ?m in diameter in the lung. High humidity treatment of the lungs causes condensational growth in particle size upon entering the lungs. Increased particle size is conducive to particle embedment (deposition) in deep lung tissue or at a specific targeted lung region.

Abstract: An apparatus for delivering breathable gas to a patient includes a flow generator to generate a flow of breathable gas; a humidifier chamber to contain a supply of water; a first flow path to deliver the flow of breathable gas from the flow generator to the humidifier chamber; a second flow path to deliver the flow of breathable gas from the humidifier chamber to a patient interface; and a wicking element and/or a flat, elongate heating element provided at least in the humidifier chamber. A method of delivering a flow of breathable gas to a patient includes generating a flow of breathable gas; and humidifying the flow by passing the flow over a supply of water.

Abstract: A humidifier includes a tub configured to hold a supply of water. The tub includes a tub lid and a tub base adapted to be coupled to the tub lid. The tub further includes a base plate formed of a heat conducting material and adapted to be coupled to the tub base and a seal positioned between the base plate and the tub base. The tub also includes a retaining mechanism with at least one projection that projects from the tub base and is configured to force the base plate against the seal so that the seal is secured against the tub base.

Abstract: An inhalation mask, an artificial nose unit, an anesthetic gas concentration detector, an extension tube, an anesthesia attachment, and an elastic bag are in communicative connection in sequence. The elastic bag has a mixing chamber formed therein and has an anesthetic inlet, an air inlet, and an outlet port each formed at the boundary to the exterior. The anesthesia attachment includes a hollow structure and an evaporation injector syringe. The outlet port of the elastic bag is in communicative connection with the hollow structure through its opening, and the evaporation injector syringe tightly mates with the interior of another opening. The anesthetic introduced into the mixing chamber is vaporized and then mixed with air introduced from the air inlet into mixed gas. The mixed gas is supplied from the outlet port to the inhalation mask by compressing the elastic bag or other procedures.

Abstract: An aerosol inhalator has an aerosol generation passage extending from an ambient air inlet (2) to a mouthpiece (4), a liquid supply device (18) for feeding a predetermined amount of a solution to a feed position (A) in the passage (6), a ceramic heater (12) for heating the solution conveyed from the feed position (A) toward the mouthpiece (4) with a drawn-in flow of air created in the passage (6) by a user's sucking action, thereby causing the solution to evaporate and turn into an aerosol in the passage (6), and a protector provided at least either at a location near the feed position (A) or at a location between the feed position (A) and the liquid supply device (18), the protector having at least one of a radiation cover (2), a cooling device (21) and an open-close valve (22).

Abstract: A high flow therapy system for delivering pressurized, heated and humidified respiratory gas to an airway of a patient includes a respiratory gas flow pathway for delivering the pressurized respiratory gas to the airway of the patient by way of a non-sealing respiratory interface; wherein flow rate of the pressurized respiratory gas is controlled by a microprocessor, a mixing area for mixing oxygen and air in the respiratory gas flow pathway, a humidification area for humidifying respiratory gas in the respiratory gas flow pathway, a heated delivery conduit for minimizing condensation of humidified respiratory gas, a pressure pathway for monitoring pressure of the airway of the patient and communicating the monitored pressure to the microprocessor and a sensor disposed in communication with the pressure pathway, the sensor further disposed in communication with the microprocessor and configured to measure pressure in the airway of the patient.

Abstract: An evaporation element for liquids, in particular aqueous solutions, has a first reservoir for storing the liquid that is to be evaporated, a second reservoir, which is separated from the first reservoir by a sheet and contains a reagent that in contact with the liquid that is to be evaporated carries out an exothermic chemical reaction, and an opening element which, on actuation, perforates the sheet and in this way brings the reagent into contact with the liquid that is to be evaporated.

Abstract: A drug delivery system, which includes an aerosol generator unit, a pumping unit, a flow tube, at least one condensate collector and an aerosol transition adapter. The aerosol generator forms an aerosol from a liquid formulation, which is partially vaporized. The pumping unit supplies the liquid formulation to the aerosol generator unit and a flow tube having an inlet end in fluid communication with an outlet of the aerosol generator unit and an outlet adapted for connection to a patient interface, which supplies ventilation to a patient's lungs. The system also includes at least one condensate collector adapted to collect condensed liquid or liquid produced by the aerosol generator unit, and a transition adapter arranged to mix aerosol produced by the aerosol generator unit with heated air and directs the mixed aerosol into the inlet end of the flow passage.

Abstract: A respiratory humidification system having a capillary passage in communication with a ventilator, the ventilator adapted to deliver an air stream, a heater operable to at least partially vaporize water in the capillary passage, a pumping unit adapted to supply water to the capillary passage, wherein the water upon heating is at least partially vaporized to form an aerosol stream. The aerosol stream is combined with the air stream to form a humidified air stream.

Abstract: A pressure support system (10) comprises a humidifier (20) adapted to increase the amount of water vapor entrained in a supply of breathing gas, and a positive air pressure device (30) fluidly coupled downstream of the humidifier. The positive air pressure device is structured to generate a positive pressure flow of breathing gas from the supply of breathing gas received from the outlet of the humidifier.

Abstract: A respiration moistener (1) has an inlet (3), into which incoming gas (2) to be moistened can be fed. Vapor (21) is mixed with the incoming gas (2) in a mixing chamber (4). Moistened outgoing gas (5) flows out of an outlet (6). In cases in which the temperature of the incoming gas (2) becomes so high that the temperature of the outgoing gas (5) is above a desired value, the internal desired value is adjusted. The outgoing gas (5) can then cool to the desired value on its way through the inspiration tube (7).

Abstract: 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.

Abstract: A delivery tube assembly for delivering a breathing gas to a patient, the delivery tube includes a first lumen having an upstream portion and a downstream portion. The lumen is configured to deliver the breathing gas from the upstream portion to the downstream portion. A second lumen is configured to flow an insulating gas around the first lumen. A method of insulating a breathing gas with an insulating gas and discharging the insulating gas to atmosphere is also disclosed.

Abstract: An apparatus for providing humidification in a breathing assistance system may include a first container at least partially defining a first volume for housing an absorbent material, a second container at least partially defining a second volume for holding a liquid, and one or more fluid passageways for communicating the liquid from the second volume to the absorbent material in the first volume.

Abstract: An apparatus for providing breathing gas to a patient that includes a base unit to provide a first flow of gas and a second flow of gas and a humidification canister to be coupled to the base unit is described. The humidification canister includes a first gas flow path to receive and humidify the first flow of gas. A delivery tube assembly includes a first lumen configured for fluid communication with the first gas flow path to receive the humidified first flow of gas and a second lumen to receive the second flow of gas. A method of heating and humidifying the first flow of gas and insulating the first flow of gas with the second flow of gas is also described.

Abstract: A high flow therapy system including a microprocessor, a heating element a non-sealing respiratory interface and a sensor is disclosed. The heating element is disposed in electrical communication with the microprocessor and is capable of heating a liquid to create a gas. The non-sealing respiratory interface is configured to deliver the gas to a patient. The sensor is disposed in electrical communication with the microprocessor and is configured to measure pressure in an upper airway of the patient.

Abstract: An inline vaporizer disposed in a carrier gas line vaporizes a fluid and adds such vaporized fluid to a carrier gas that flows within the carrier gas line. The vaporizer includes a reservoir or wick that transfers a fluid to a vaporizing element that is adjacent to the reservoir or wick. The vaporizer releases a vapor into the carrier gas line so that the carrier gas flows past the vaporizer to form a vapor and carrier gas mixture.

Abstract: This invention relates to a new technology that enables administration of Cannabis to patients for medical purposes. In one embodiment, this invention is a component of a system of technologies, processes and concepts that creates a new method of producing, delivering, administering and regulating the use of medical cannabis.

Abstract: A cannula tip for insertion in a patient's nostril includes nostril- and cannula-ends, with a cannula-end that has a greater cross section than that of the nostril end. The cross section of the cannula tip may decrease from its cannula end to its nostril end linearly or non-linearly.

Abstract: A device for use as part of a breathing assistance system for providing gases to a user. The device may include a fan, an enclosure for receiving a humidification chamber or both. A user interface of the device can indicate the operating mode of the device, whether a peripheral device is connected and whether a gases conduit is correctly connected to the outlet of the device. A controller in the device may hide or block options from the display of the user interface and may also initiate a power save mode when the device is powered by a battery.

Abstract: A respiratory humidification system having a capillary passage in communication with a ventilator, the ventilator adapted to deliver an air stream, a heater operable to at least partially vaporize water in the capillary passage, a pumping unit adapted to supply water to the capillary passage, wherein the water upon heating is at least partially vaporized to form an aerosol stream. The aerosol stream is combined with the air stream to form a humidified air stream.

Abstract: The present invention discloses a device useful for facilitating delivery of drugs or medicaments to the respiratory system of a user. The device comprising a mechanism for interrupting the airflow during inhalation or exhalation performed by the user through the device by generating pressure pulses within the respiratory system of the user, such that the delivery of the drugs to the user is facilitated; the pressure pulses are selected from the group consisting of: inspiratory Negative Pressure (NP) pulses, inspiratory Positive Pressure (PP) pulses, expiratory Negative Pressure (NP) pulses, expiratory Positive Pressure (PP) pulses into the respiratory system, and any combination thereof.

Abstract: A low flow heated/humidified respiratory gas delivery system, especially useful for low flow rates as preferred in the treatment of neonate and other such patients, wherein the respiratory gas is heated and humidified as desired for delivery to the patient and the temperature is monitored at the point of delivery to the patient.

Abstract: A device and method for delivering a therapeutic drug to a patient in the form of an aerosol includes a heat generating chamber and an aerosol forming chamber separated by a heat conductor. A heating element is disposed within the heat generating chamber in heat conducting relation with the heat conductor. A substrate having a therapeutic drug and an aerosol forming agent deposited thereon is disposed within the aerosol forming chamber in heat conducting relation with the heat conductor. The heating element ignites a fuel source consisting essentially of a combustible liquefied gas to generate heat that is conducted to the heat conductor and then to the substrate via the heat conductor. The heat generated by the heating element activates the aerosol forming agent to volatilize the therapeutic drug into an aerosol drug contained within the aerosol forming chamber and made available to be inhaled by the patient.

Abstract: A drug delivery system, which includes an aerosol generator unit, a pumping unit, a flow tube, at least one condensate collector and an aerosol transition adapter. The aerosol generator forms an aerosol from a liquid formulation, which is partially volatilized. The pumping unit supplies the liquid formulation to the aerosol generator unit and a flow tube having an inlet end in fluid communication with an outlet of the aerosol generator unit and an outlet adapted for connection to a patient interface, which supplies ventilation gas to a patient's lungs. The system also includes at least one condensate collector adapted to collect condensed liquid or liquid produced by the aerosol generator unit, and a transition adapter arranged to mix aerosol produced by the aerosol generator unit with heated air or ventilation gas and direct the mixed aerosol into the inlet end of the flow passage.

Abstract: A respiration humidifier with a base unit (2), at least one sensor (3), which is connected to the base unit (2), and a mixing chamber (4), which is designed as a mixing chamber detachable from the base unit (2), with a gas-carrying area (5), wherein the mixing chamber (4) has at least one opening (6), through which the at least one sensor (3) is in connection with the gas-carrying area (5).

Abstract: An apparatus (1) for use humidified gases delivery treatment comprising a housing, a humidifier, and a chamber heating base connected to said housing, said housing includes a pressurized gases supply, a humidifier engagement (17), a pressurized gases outlet (4), a humidified gases return (7), and a patient outlet (9), said humidifier includes a humidification chamber (2) having a base, a humidifier inlet (5), a humidifier outlet (6) and said chamber is engagable with said humidifier engagement (17) via a single motion, and said single motion of engagement urges the base of said humidification chamber adjacent and in contact with said chamber heating base and makes a first fluid connection between said pressurized gases outlet (4) and said humidifier inlet (5), and makes a second fluid connection between said humidified gases return (7) and said humidifier outlet (6), with said first and second fluid connections being made in the direction of said single motion.

Abstract: 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.

Abstract: A valve for controlling the level of liquid within a chamber (10) is disclosed. The valve comprises a liquid inlet (30) and a primary float (40) that is movable in response to a change in the level of liquid (20) within the chamber (10) between an open configuration in which liquid (20) is able to flow through the liquid inlet (30) into the chamber (10) when the liquid (20) within the chamber (10) is below a predetermined acceptable level, and a closed configuration in which liquid (20) is prevented from flowing through the liquid inlet (30) into the chamber (10) when the liquid within the chamber (10) is at or above the predetermined acceptable level.

Abstract: The present invention relates to a device for controlling the pressure of a gas in a circuit by means of the generation of bubbles through a liquid, this effect being is used to produce a continuous positive airway pressure (CPAP). The invention comprises a container containing a liquid; a bubble tube with one end located outside the liquid connected to a device connected to a patient's respiratory tract and the other end located within the liquid; and means for adjusting the level of liquid in the container. The device may also comprise, in addition to the aforesaid, means to stabilize the liquid level inside the container, humidifying and heating means located inside the container, and a gas-recycling system that conveys all or a portion of the gases generated in the container towards the humidifying and heating device.

Abstract: A vaporizer heating assembly includes an airflow chamber having a proximal end, a distal end opposite the proximal end, and a glass body connecting the proximal end to the distal end. A heating chamber is located within the airflow chamber and includes an elongated glass body and a heating element located within the elongated glass body of the heating chamber. A fan is in fluid communication with the proximal end of the airflow chamber and an attachment adapter is mechanically coupled to the distal end of the airflow chamber in a sealing arrangement, where the attachment adapter forms an attachment port for a vapor receiving element.

Abstract: Systems and methods are provided for humidifying ventilation gas. Systems and methods may include a nasal interface apparatus for receiving ventilation gas from gas delivery tubing and for humidifying ventilation gas. The nasal interface apparatus may have one or more channels within the nasal interface to deliver gas from a gas delivery circuit to a patient's nose; one or more structures in fluid communication with the one or more channels to direct ventilation gas to the patient's nose; and a hygroscopic material within the nasal interface in the flow path of the ventilation gas.

Abstract: The present disclosure refers to a system to control mechanical lung ventilation with volume band, more particularly a system to manage respiratory cycles in patients. Preferably, said respiratory cycles are controlled under pressure, so that the volumes as inspired by the patient are maintained within a volume range, comprising a lower volume limit and an upper volume limit, which are previously determined.

Abstract: The present invention provides a method and apparatus for reducing condensed humidifying agent in a humidification system by pulsing a delivery of humidifying agent into a respiratory circuit. During a non-pulsed interval, gas flowing through the respiratory circuit will evaporate the condensed humidifying agent present in the respiratory circuit. The present invention also provides a method and apparatus for delivering humidified gas to a patient, wherein the delivery avoids the problems associated with a stationary water humidifier. In the method, the delivery of humidifying agent is precisely controlled to deliver a flow of humidifying agent to a volume of gas.

Abstract: The present invention relates a modular respiratory system to which different parts can be added in a convenient way enabling such upgraded respiratory system to deliver the most comfortable respiratory conditions at an acceptable cost of ownership.

Abstract: A system for delivering a humidified gas to a patient is disclosed. The system includes a supply tube having a first supply tube end and a second supply tube end. The supply tube has a first inner diameter. The system also includes an apparatus for delivering heated and humidified gas to the first end of the supply tube and a single lumen having a first lumen end and a second lumen end. The single lumen has a second inner diameter, smaller than the first diameter. The first lumen end is in fluid flow communication with the second supply tube end. The system also includes a nasal cannula in fluid flow communication with the second lumen end. A method of delivering heated and humidified gas to a patient is also disclosed.

Abstract: A humidifier heater base assembly is disclosed for use in a humidifier which is used for heating and humidifying a flow of respiratory gases supplied to a user. The assembly preferably includes a heater plate having a thermally conductive portion and a perimeter portion around the perimeter of the heater plate, and a resilient member having an inner part attached to the perimeter portion. An outer part of the resilient member is adapted to provide a resilient perimeter flange around at least part and preferably the whole of the perimeter portion. The resilient member is adapted to allow the heater base to be fixed to the humidifier by the resilient perimeter flange in such a manner that the heater plate and the inner part can move relative to the humidifier in a direction substantially transverse to the general plane of the heater plate. At least a portion of the resilient perimeter flange remains stationary relative to the humidifier.

Abstract: 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.

Abstract: There is provided a humidification system for a breathing circuit that can detect abnormality in flow of intake air inside an inspiration tube. A humidification section is arranged inside an inspiration tube of a breathing circuit. Further, the humidification system is constructed capable of supplying moisture into intake air flowing inside the inspiration tube by using, for example, hydrophobic hollow fibers or a hydrophobic membrane. The flow section comprises a supply section for supplying moisture to the humidification section and a delivery section for delivering moisture that has been supplied to the humidification section. The control section detects intake air abnormality using difference information for water temperature of the supply section and water temperature of the delivery section.

Abstract: An apparatus for delivering humidified gases has a connection manifold adapted to connect with inlet and outlet ports of a slide on water chamber in a single slide on motion. Connection of the gases inlet and gases outlet ports as well as any additional electrical and/or pneumatic connections are all made in the same slide on motion. The water chamber may include inwardly extending elongate extension tubes with one of the extension tubes having an air bleed aperture to aid filling of the chamber.

Abstract: A breathing circuit includes inspiratory and expiratory limbs, each having a respective electrically energizable heating circuit. The heating circuits are independently and selectively electrically energized through separate power circuits such as to control the temperature in each limb in a desired fashion so as to reduce rainout in the breathing circuit and particularly in the expiratory limb.

Abstract: A system and method for treating obstructive sleep apnea (OSA) by means of a Continuous Positive Airway Pressure (CPAP) system in which is included an ultra-violet light source to remove bacteria and contaminants which may cause respiratory infection in a patient being treated. The ultraviolet light source is contained in a specially designed chamber comprising aluminum or equivalent suitable materials. The ultraviolet chamber is positioned directly downstream of a humidification unit and includes specially positioned baffles to protect connecting elements and other system components from any possible damage.

Abstract: A microdosing device with a dosing chamber for the at least temporary reception of a liquid quantity, and with which is associated at least one discharge opening is provided. A vibrating unit in operative connection with at least one boundary surface of the dosing chamber is provided in order to vibrate the same for a discharge process, and with a delivery function unit connected to the vibrating unit for activating the latter during a delivery time period. A drying function unit is additionally provided and can be activated in time-separated manner with respect to the delivery function unit in order to free the dosing chamber from liquid residues.

Abstract: Humidified respiratory gas is supplied to a patient through an open cannula placed within the openings of the patient's nostrils. The open cannula allows respiratory gas to escape the patient's nostrils and thereby reduce back pressure experienced by a patient during the expiratory periods of the patient's breathing cycle. An open cannula configuration also eliminates uncomfortable masks that may otherwise prevent an obstructive breathing disordered patient from effectively using respiratory therapy.

Abstract: Provided is an artificial nose and a breathing circuit provided with the artificial nose, including: an outer shell; a moisture permeable and water resistant film 6 disposed on an entire circumference of an internal surface of the outer shell, forming a water retention region with the outer shell, and forming an aeration region on an internal surface side thereof; a feed water inlet provided in the outer shell to supply water to the water retention region; a heat and moisture exchanger element loaded in the aeration region; and a heater disposed outside the outer shell, wherein the water supplied from the feed water inlet is retained in the water retention region by the moisture permeable and water resistant film, an inspiratory gas and an expiratory gas pass through the heat and moisture exchanger element loaded in the aeration region, and the artificial nose carries out a first heating and humidifying process of the inspiratory gas in which heat and moisture included in the expiratory gas passing therethrou

Abstract: The present invention provides a method and apparatus for controlling a patient's body temperature and in particular for inducing therapeutic hypothermia. Various embodiments of the system are described. The system includes: a source of breathing gas, which may be in the form of a compressed breathing gas mixture; a heat exchanger or other heating and/or cooling device; and a breathing interface, such as a breathing mask or tracheal tube. Optionally, the system may include additional features, such as a mechanical respirator, a nebulizer for introducing medication into the breathing gas, a body temperature probe and a feedback controller. The system can use air or a specialized breathing gas mixture, such as He/O2 or SF6/O2 to increase the heat transfer rate. In addition, the system may include an ice particle generator for introducing fine ice particles into the flow of breathing gas to further increase the heat transfer rate.