Methods and systems are provided for delivering anesthetic agent to a patient. In one embodiment, a liquid anesthetic agent container includes a base region, an interior of the base region configured to hold liquid anesthetic agent, an adapter region, and a capillary force vaporizer (CFV) housed in the adapter region. The adapter region includes a coupling end configured to couple to a patient breathing circuit to supply anesthetic agent vaporized by the CFV to a patient.

A chemical solution vaporization device includes a chemical solution tank including chemical solution vaporization rooms, a chemical solution sensing room, and a chemical solution supply room. A first internal wall separating the plurality of chemical solution vaporization rooms from each other includes a first opening at a lower portion thereof. A second internal wall separating at least one of the plurality of chemical solution vaporization rooms from the chemical solution supply room includes a second opening at a lower portion thereof. A third internal wall separating at least one of the plurality of chemical solution vaporization rooms from the chemical solution sensing room includes a third opening at a lower portion thereof. And a lower portion of a fourth internal wall separating the chemical solution sensing room from the chemical solution supply room is combined with the lower wall.

One or more techniques and/or systems are disclosed for saturating a gas with a liquid-borne compound. A bubbler container may be configured to contain a carrier liquid, which comprises a desired compound. The container may comprise at least one channeling plane, disposed between the top and bottom of the container, which may be configured to allow gas bubbles to travel through a circuitous, channeling route. The gas can be introduced to the container at a bottom portion of the container, into the carrier liquid comprising the compound. Carrier gas bubbles formed in the liquid may be forced to travel the channeling route to a top portion of the container, where gas saturated with the compound may be collected.

An aerosol-generating system includes an aerosol-generating device and at least two consumables. Each consumable includes an aerosol-forming substrate. The aerosol-generating device further includes a device housing comprising at least two receiving chambers, wherein each consumable is accommodated in a separate receiving chamber of the at least two receiving chambers. The aerosol-generating device further includes at least two mouthpieces, wherein each mouthpiece of the at least two mouthpieces is aligned with a separate consumable of the at least two consumables and wherein the aerosol-generating device is configured to isolate airflows through separate, respective mouthpieces of the at least two mouthpieces.

Disclosed is a venturi air-ammonia mixer 200 enabled for a two-burner system. The venturi air-ammonia mixer 200 comprises a venturi body 204 and an annular region 212. Further the venturi body 204 comprises a convergent section 204(a) comprising an air inlet feed 208 a cylindrical section 204(b) comprising an inner hollow member 202, and a divergent section 204(c) comprising an air-ammonia gas outlet 210. Further the cylindrical section 204(b) and the inner hollow member 202 comprises a first perforated region and a second perforated region. Further the cylindrical section 204(b) is enclosed in the annular region 212 and connected to an ammonia inlet feed 206. Further the ammonia inlet feed 206 fills the annular region 212 with dry ammonia gas which further flows into the venturi air-ammonia mixer 200 through the perforated regions thereby enabling uniform mixing of the ammonia gas with air from the air inlet feed 208.

Systems, methods, and devices are disclosed for manufacturing a vapor transfer cartridge with a constant inner diameter to maximize the area available for fibers required for heating and humidifying a breathing gas. In one aspect, a vapor transfer cartridge includes a center tube extending along a first axis from a first to a second end, having a continuous inner diameter, a first header piece configured as a cap and including a channel about an inner circumference of the header piece coupled to the first end of the center tube, a second header piece coupled to the second end of the center tube, and a plurality of fibers arranged along the axis of the center tube from the first end to the second end. The first header piece further includes a first port, and a baffle.

A mixer is provided for mixing exhaust gas (A) flowing in an exhaust gas-carrying duct (14) of an internal combustion engine with reactant injected into the exhaust gas-carrying duct (14). The mixer includes a mixing body (22) with a reactant-receiving duct (34), an exhaust gas inlet opening device (54) with a plurality of exhaust gas inlet openings (56) leading to the reactant-receiving duct (34), and at least one releasing duct (40, 42) leading away from the reactant-receiving duct (34) with a releasing duct opening (48, 50) for releasing a reactant/exhaust gas mixture from the mixer body (22). An electrically energizable heater (68) is provided at the mixer body (22).

The present invention provides an improved portable steam humidifier. According to a preferred embodiment, the improved humidifier of the present invention preferably includes a spiral mixing chamber connected to a steam chamber, a spiral outlet duct, an inlet duct and an outlet grill. According to a preferred embodiment, the inlet duct preferably receives air from an inlet fan and directs the air into the spiral mixing chamber where the air is mixed with water vapor from the steam chamber. According to a further preferred embodiment, the air is further directed from the spiral mixing chamber through the spiral outlet duct out through the outlet grill.

Methods and systems are provided for delivering anesthetic agent to a patient. In one embodiment, a liquid anesthetic agent container includes a base region, an interior of the base region configured to hold liquid anesthetic agent and a capillary force vaporizer (CFV). The CFV can be configured to couple to a vapor reservoir of a patient breathing circuit to supply vaporized anesthetic agent vaporized by the CFV to a patient, the CFV comprising a heating element, a temperature of the heating element controllable by a driver of the patient breathing circuit based at least in part on a pressure of the vapor reservoir as measured by a pressure sensor coupled to the vapor reservoir.

A multifunctional C.sub.4F.sub.7N/CO.sub.2 mixed gas preparation system is disclosed. The C.sub.4F.sub.7N heat exchanger is used to heat and vaporize C.sub.4F.sub.7N input through the C.sub.4F.sub.7N input port; the CO.sub.2 heat exchanger is used to heat and vaporize CO.sub.2 input through the CO.sub.2 input port; the C.sub.4F.sub.7N/CO.sub.2 mixing pipeline structure is used to mix the heated C.sub.4F.sub.7N and heated CO.sub.2, and the C.sub.4F.sub.7N/CO.sub.2 mixed gas output pipeline structure is used to output the C.sub.4F.sub.7N/CO.sub.2 mixed gas. The C.sub.4F.sub.7N/CO.sub.2 mixing pipeline structure comprises a C.sub.4F.sub.7N/CO.sub.2 dynamic gas preparation pipeline structure and a C.sub.4F.sub.7N/CO.sub.2 partial pressure mixing pipeline structure; the C.sub.4F.sub.7N/CO.sub.2 partial pressure mixing pipeline structure includes partial pressure mixing tanks for mixing the CO.sub.2 and the heated C.sub.4F.sub.7N of certain pressures; and a plurality of partial pressure mixing tanks are arranged in parallel. A multifunctional C.sub.4F.sub.7N/CO.sub.2 mixed gas preparation method is also disclosed.