CN105963842A - Humidification of respiratory gas - Google Patents

Abstract

Provided is a humidifier (14) used to humidify breathable airflow which is to be transmitted to a patient, comprising a chamber (16) configured to receive breathable airflow, a tank (20) configured to hold supply water and arranged to be inserted into the chamber, a cover (18) arranged on the chamber and able to move between an open position and a close position, a sealing element (19) arranged on the cover. The sealing element is configured in a sealed cavity, so that the breathable airflow pressurizes the cavity. The humidifier can be connected with an airflow generator (12) which is configured to generate breathable airflow. A tube used to deliver humidified airflow can be connected with the humidifier. The tube can be a heating tube or a non-heating tube. A breathing device used to deliver breathable airflow to a patient comprises a humidifier and an airflow generator and/or a tube. The method for humidifying the breathable airflow comprises sealing the cavity which holds the supply water, and pressurizing the cavity through guiding the breathable airflow into the cavity.

Description

The humidification of breathing gas

The application is that (international application no is Application No. 200980136567.9 PCT/AU2009/001232), filing date JIUYUE in 2009 17 days, invention entitled " breathing gas Humidification " the divisional application of patent application.

The cross reference of the application

U. S. application the 61/097,765th that the application claim is submitted in JIUYUE in 2008 on the 17th and In the priority of the U. S. application the 61/226th, 134 that on July 16th, 2009 submits to, described application Full content is incorporated herein by reference.

Full content in the U. S. application the 12/397,850th of submission on March 4th, 2009 passes through to draw With being herein incorporated.

Technical field

The present invention relates to control the system and method for humidity of breathable gas, be used for including intrusive mood and non- The various forms of breathing equipment ventilating systems of intrusive mood ventilation installation, continuous positive airway (CPAP), double horizontal therapies and be used for treating the sleep of such as obstructive sleep apnea (OSA) Disordered breathing (SDB) situation, and for various other disordered breathing and and disease.

Background technology

In order to reduce the concurrent of the aridity of patient airway and the uncomfortable and relevant of thing followed patient Disease, breathing equipment is generally of the ability of the humidity changing breathable gas.Use is placed on air-flow and occurs Humidifier between device and patient mask produces humidification gas, and this makes the aridity of nasal mucosa minimize also Add the comfort level of patient airway.Additionally, at colder environment, be generally applied in face shield and face shield The warm air of facial zone around is more comfortable than cold air.

Many humidifier types are available, although the form of most convenient is to be formed to relevant breathing equipment In one or the breathing equipment that is configured to be connected to be correlated with.Although passive type humidifier can provide Alleviate, but typically require be heating humidifier to be supplied to the enough humidity of air and temperature, from And make patient comfort.Humidifier typically comprises: have the water tank of the capacity of hundreds of milliliter；For heating The heating element heater of the water in water tank；Enable the controller that humidification degree changes；Reception comes from air-flow and sends out The gas access of the gas of raw device；And it is suitably attached to flow to humidification gas the patient of patient mask Supravasal gas outlet.

Typically, heating element heater is integrated on hot plate, and described heating plate is positioned at below water tank and and water tank Thermo-contact.

Summary of the invention

One scheme of the present invention is a kind of breathing equipment, comprising: humidifier, is used for humidifying to be conveyed To patient can respiratory air flow, wherein the case of humidifier is the heat insulation water temperature consumed by device with minimizing And electric power.

Another scheme of the present invention is a kind of humidifier for breathing equipment, and it includes chamber, described Chamber can be pressurized to reduce the pressure of the junction (joint) of humidifier case thus reduce leakage.

Another scheme of the present invention is a kind of humidifier for breathing equipment, and it includes chamber, described Chamber can be pressurized to reduce what case inserted relative to the sealing member on the entrance and exit pipe of humidifier chamber Tolerance.

Another scheme of the present invention is a kind of humidifier for breathing equipment, and it guides air to flow through appearance The surface for feedwater being contained in case can respiratory air flow be how many regardless of water level with humidification.

Another scheme of the present invention is a kind of humidifier for breathing equipment, and it includes sealing member, institute State sealing member and be not located at supplying side under water, thus reduce the risk of leakage.

Another scheme of the present invention is a kind of humidifier for breathing equipment, and it prevents water from overflowing back generation Can the flow generator of respiratory air flow or hair-dryer.

Another scheme of the present invention is a kind of humidifier for breathing equipment, and it includes disposable case.

Another scheme of the present invention is a kind of humidifier for breathing equipment, it include capable of washing and/ Or reusable case.

Another scheme of the present invention is a kind of humidifier for breathing equipment, and it includes case, described case Including dipperstick, such as instruction maximum injects the dipperstick of water level.Another side of the present invention Case relates to dipperstick, and it can be dismantled from case.Another scheme of the present invention relates to the water in case Position indicator, it can be observed by the window of humidifier.Another scheme of the present invention relates to water level and refers to Showing device, it changes along with water level and seems to change color, such as, appear as deeper color or color Mixing.

Another scheme of the present invention is a kind of humidifier for breathing equipment, and it is connected to for will be through Humidification air-flow flows on heating or the non-power heat pipe of patient.

The further scheme of the present invention relates to case, and it can be dismantled from humidifier and be configured to prevent from appointing Meaning flows out the current of case and returns in flow generator.

According to embodiment, a kind of for humidification to be delivered to patient can the humidifier of respiratory air flow, including: Chamber, it is configured to reception can respiratory air flow；Case, it is configured to accommodate for feedwater, described case quilt It is configured for insertion in chamber；Lid, it is arranged on described chamber and can be in open position and Guan Bi Move between position；And sealing member, it is arranged on and covers, and described sealing member is configured to seal chamber So that can chamber be pressurizeed respiratory air flow.

According to another embodiment, include for the case being inserted in humidifier chamber: case matrix, its quilt It is configured to accommodate for feedwater；Case lid；Current plate (flow plate)；And the sealing being connected on current plate Part, wherein said current plate is via the sidewall edge of described sealing member and described case matrix and described case lid The joint of sidewall edge and between described case matrix and described case lid.

According to further embodiment, for providing can the breathing equipment of respiratory air flow including of humidification to patient: Generation can the flow generator of respiratory air flow and humidifier described above and/or case.

According to another embodiment, a kind of for humidification to be delivered to patient can the humidifier of respiratory air flow Including: chamber, it is configured to reception can respiratory air flow；Case, it is configured to accommodate for feedwater, institute State case to be configured to be inserted in chamber；And lid, it is arranged on chamber and can be at open position And move between make position.Described case includes: case matrix, and it is configured to accommodate for feedwater；Case lid； And current plate, it is arranged between case matrix and case lid, and wherein current plate includes dipperstick, its The water level for feedwater being configured in indication box matrix.

According to further embodiment, case is configured to accommodate in the chamber supplying to feed water and be inserted into humidifier. Case includes: be configured to accommodate the case matrix for feedwater；Case lid；And current plate, described current plate sets Putting between case matrix and case lid, wherein said current plate includes the supply being configured in indication box matrix The dipperstick of the water level of water.Dipperstick includes general rectangular portion and general triangular portion.Described General triangular portion includes the inclined wall extended below current plate at least in part, and described inclined wall includes Osculum and labelling.

Accompanying drawing explanation

Embodiments of the invention will be described with reference to the drawings now, wherein:

Fig. 1 schematically illustrates and includes flow generator and humidifier according to an embodiment of the invention Breathing equipment；

Fig. 2 schematically illustrates the humidifier covered in the close position of Fig. 1；

Fig. 3 schematically illustrates the humidifier covered in an open position of Fig. 1；

Fig. 4 schematically illustrates the decomposed component view of the humidifier of Fig. 1；

Fig. 5 schematically illustrates the bracket of the humidifier of Fig. 4；

Fig. 6 schematically illustrates the lid enclosed member of humidifier；

Fig. 7 schematically illustrates electric connector and the tube connector of the humidifier of Fig. 1；

Fig. 8 schematically illustrates bottom bracket and the humidifier of the humidifier of Fig. 1；

Fig. 9 schematically illustrates bottom humidifier bracket and the humidifier of the Fig. 8 being in assembling structure；

Figure 10 schematically illustrates the inner panel of the humidifier of Fig. 1；

Figure 11 schematically illustrates the card trigger of the humidifier of Fig. 1；

Figure 12 schematically illustrates the humidifier of the Fig. 1 including outlet；

Figure 13 schematically illustrates the sealing ring of the humidifier outlet pipe for Figure 12；

Figure 14 schematically illustrates the outlet of the humidifier of Figure 12；

Figure 15 schematically illustrates the humidifier of the Fig. 1 including inner panel, outlet and tube connector；

Figure 16 schematically illustrates lid and the sealing member of the humidifier of Fig. 1；

Figure 17 schematically illustrates lid and the sealing member of the Figure 16 being in assembling structure；

Figure 18 schematically illustrates the sectional side view of the humidifier of Fig. 1；

Figure 19 schematically illustrates the water tank of the humidifier of Fig. 1, and this water tank includes case matrix and current plate；

Figure 20 schematically illustrates the bottom perspective view of the current plate of Figure 19；

Figure 21 schematically illustrates the schematic diagram illustrating of case according to a sample embodiment, including Figure 19's Case matrix and current plate；

Figure 22 schematically illustrates the case of the Figure 21 assembled；

Figure 23 schematically illustrates the sectional drawing of the case of Figure 22；

Figure 24 schematically illustrates the sectional view of the case of Figure 22；

Figure 25 schematically illustrates the sealing member between the current plate of the case of Figure 21 and case matrix；

Figure 26 schematically illustrates the case according to another sample embodiment；

Figure 27 schematically illustrates the schematic diagram illustrating view of the case of Figure 26；

Figure 28 schematically illustrates the plan view of the case of Figure 26 and 27；

Figure 29 schematically illustrates the sectional drawing that 29-29 along the line intercepts；

Figure 30 schematically illustrates the sectional drawing that 30-30 along the line intercepts；

Figure 31 schematically illustrates the bottom perspective view of current plate in assembled state and case lid；

Figure 32 schematically illustrates the current plate of Figure 31 and the sectional drawing of case lid；

Figure 33 schematically illustrates the detailed view that current plate is connected to case lid；

Figure 34 schematically illustrates the sectional drawing of case in assembled state, and described case includes case base Body；

Figure 35 schematically illustrates the connection of case matrix, current plate and case lid；

Figure 36 schematically illustrates the axonometric chart of case in assembled state；

Figure 37 schematically illustrates the top perspective view of current plate；

Figure 38 schematically illustrates the face upwarding stereogram of current plate；

Figure 39 schematically illustrates the plan view of current plate；

Figure 40 schematically illustrates the sectional drawing that 40-40 along the line intercepts；

Figure 41 schematically illustrates the upward view of current plate；

Figure 42 schematically illustrates the assembling of current plate and sealing member；

Figure 43 schematically illustrates the plan view of current plate；

Figure 44 schematically illustrates the sectional drawing that 44-44 along the line intercepts；

Figure 45 schematically illustrates the upward view of current plate；

Figure 46 schematically illustrates the maximum stage indicator of current plate；

Figure 47 schematically illustrates the sectional drawing of the maximum stage indicator on current plate；

Figure 48 schematically illustrates the detailed view of the wedge of the tie-beam of current plate；

Figure 49 schematically illustrates the detailed view of maximum stage indicator；

Figure 50 schematically illustrates the axonometric chart of the case according to another sample embodiment；

Figure 51 schematically illustrates another axonometric chart of the case of Figure 50；

Figure 52 schematically illustrates the top view of the case of Figure 50；

Figure 53 schematically illustrates the schematic diagram illustrating of the case of Figure 50；

Figure 54 schematically illustrates the schematic diagram illustrating of the case of Figure 50 from another angle；

Figure 55 a and 55b schematically illustrates the sectional drawing of the case of Figure 50；

Figure 56 schematically illustrates the axonometric chart of the current plate of the case of Figure 50；

Figure 57 schematically illustrates another axonometric chart of the current plate of Figure 56；

Figure 58 schematically illustrates the top view of the current plate of Figure 56 and 57；

Figure 59 schematically illustrates the upward view of the current plate of Figure 56 to 58；

Figure 60 a to 60c schematically illustrates the water level can being used together with the current plate of Figure 56 to 59 Indicator；

Figure 61 schematically illustrates the current plate of Figure 56 to 60c and the axonometric chart of dipperstick, with And illustrate the case lid of the case of Figure 50 to 55；

Figure 62 schematically illustrate the current plate of Figure 61, dipperstick and case lid another stand Body figure；

Figure 63 schematically illustrates the schematic diagram illustrating of case according to another embodiment, including the case base of Figure 19 Body and current plate；

Figure 64 schematically illustrates the case of the Figure 63 assembled；

Figure 65 schematically illustrates the sectional drawing of the case of Figure 64；

Figure 66 schematically illustrates the sectional view of the case of Figure 64；

Figure 67 schematically illustrates the sealing member between the current plate of the case of Figure 63 and case matrix；

Figure 68 schematically illustrates the schematic diagram illustrating of the case according to another sample embodiment；

Figure 69 schematically illustrates the schematic diagram illustrating of the case of Figure 68 from another angle；

Figure 70 schematically illustrates the axonometric chart of the case of Figure 68 and 69；

Figure 71 schematically illustrates another axonometric chart of the case of Figure 68 and 69；

Figure 72 schematically illustrates the sectional view of the case of Figure 68 to 71；

Figure 73 schematically illustrates and includes that the hot-air that adds of the big envelope with humidifier adapter carries soft Pipe, pipe or conduit；

What Figure 74 and 75 schematically illustrated Figure 73 includes the air delivery hose of big envelope, pipe or conduit, Flexible pipe, pipe or conduit are connected on the patient interface of such as face shield by big envelope；And

Figure 76 schematically illustrates the sectional drawing of the flexible pipe of Figure 56 and 57, pipe or conduit and big envelope.

Detailed description of the invention

Breathing equipment

In conjunction with Fig. 1, breathing equipment 10 includes flow generator or hair-dryer 12, and humidifier 14.Add Wet device 14 includes humidifier chamber 16 and the lid 18 that can pivot between the opened and the closed positions.Hydroecium or Water tank 20 is arranged in humidifier chamber 16 and when covering 18 and being in the close position by covering 18 coverings. Sealing member 19 arranges on lid 18, as Figure 15 illustrates in greater detail.Lid 18 includes that window 30 is to allow to regard Feel checks the content in humidifier case 20.Sealing member 19 includes relative with the position of the window 30 of lid 18 The hole 31 answered.

Case 20 includes that case lid 86, case lid 86 are configured to guide by exhaling that flow generator 12 produces Inspiratory flow along passage 90 and enters in case 20, as discussed by the outlet 92 of passage 90 Describe.Case 20 includes exporting 88, for make humidified can respiratory air flow flow out to be configured to by Humidified air-flow is transported to the pipe of patient interface (such as face shield).

Humidifier

Occur as in figure 2 it is shown, humidifier 14 can be connected to air-flow by adapter or clip (latch) 24 On device 12.Clip 24 can be such as that spring biases clip, and it engages correspondence in flow generator 12 Recess (not shown).Electric connector 26 is set to be electrically connected on humidifier 14 by flow generator 12. Electric power can be set from flow generator 12 to humidifier 14, though it is to be understood that humidifier can To be provided with the power supply of self.Can also arrange and pass through electric connector 26 to humidification from flow generator 12 The control signal of device 14.

It should be understood that humidifier 14 can include the control system of himself, such as, be arranged on print Microprocessor on printed circuit board (PCB).PCB may be located in the wall of humidifier chamber 16, and And can include that the luminous body of such as LED allows water level is carried out vision to illuminate the content of case 20 Check.In conjunction with Fig. 4, hole 35 can be arranged on the wall of humidifier chamber 16 to allow sending out on PCB Body of light illuminates humidifier chamber 16.Hole 35 is covered to prevent from entering PCB from humidifier chamber 16 with cover 37 With luminous body (such as LED).Cover 37 can be transparent or colored so that colored light is all As green glow occurs in humidifier chamber 16.Luminous body be arranged to be irradiated in humidifier chamber 16 with Allow the water level in water tank 20 visible.Selectively, multiple luminous bodys may be located on PCB to provide About the different instructions of humidifier heating, such as, amber lights can be set and just add with instruction humidifier Heat is to temperature required, and can arrange blue-light emitting body to identify when humidifier is in temperature required.

Humidifier 14 includes humidifier chamber 16 and is pivotably connected to the lid 18 of humidifier chamber 16. As shown in Figures 3 and 4, lid 18 includes that hinge 17, described hinge are hinged to and are arranged on humidifier chamber In hinge 47 on room 16.In conjunction with Fig. 3, bottom humidifier, 54 are arranged on humidifier chamber 16, As Fig. 8 illustrates in greater detail.It is provided for the opening members 28 of release cap 18 to allow lid to be pivoted to beat Open position, as described in greater detail below.

In conjunction with Fig. 3 and Fig. 4, lid 18 include button gear (catch) 15, described button gear 15 be configured to by Clip 44 engages to hold the lid in make position.Sealing member 19 also includes wedge-shaped projection 13, described Wedge-shaped projection 13 be configured as covering 18 in the close position time engaging cartridge 20, such as engage case lid 86, Promote case 20 with the outlet 34 towards humidifier chamber 16, thus contribute to forming tank outlet 88 and adding Sealing between wet device chamber outlet 34.Circular top part 11 is also disposed on sealing member 19, with when lid 18 Time in the close position, water tank 20 is promoted against heating plate 36.Annular seal portion or sealing ring 21 Be also disposed on sealing member 19, with when cover 18 in the close position upper time be sealingly disposed on case lid 86 Case dewatering outlet 89.

In conjunction with Fig. 2 and 4, humidifier chamber 16 also includes air intake 22, described air intake 22 [U1] It is configured as when humidifier 14 is connected on flow generator 12 by clip 24 receiving being occurred by air-flow What device 12 produced can respiratory air flow.Air-flow is led out in the case lid 86 of water tank 20 by entrance 22 (see Fig. 1, Fig. 3 and Figure 21-24) in passage 90.Described air-flow is directed to export 92 also by passage 90 Enter in water tank 20.

As shown in Figure 4 and Figure 5, humidifier chamber 16 includes humidifier bracket 32, humidifier bracket 32 Including air intake 22.Humidifier bracket 32 also includes that humidifier chamber outlet 34 is to allow humidified gas Stream flows to be configured to connect to humidifier so that humidified air-flow is flowed to the delivery hose of patient, pipe Or conduit.Outlet 34 is arranged on the trailing flank of humidifier bracket 32.It should be understood that outlet 34 Can be arranged on the one side of humidifier bracket 32.This improvement is also required to improve water tank 20 so that water The outlet 88 of case 20 is directed at the outlet 34 of humidifier bracket 32.

In conjunction with Fig. 4, heating plate 36 is set with what heating was contained in humidifier chamber 16 and supplies feedwater.Torr Bottom frame, 40 are arranged under heating plate 36, and thermal insulation layer 38 is arranged at the bottom of heating plate 36 and bracket Between portion 40.Heating plate 36 can be formed by the most such nichrome or anodized aluminum, and this allows Heating plate 36 is formed thinner than currently available heating plate and has bigger surface area.Heating plate 36 The thermal resistor controlled by the control circuit being such as arranged on PCB can also be included.

In conjunction with Fig. 4 to 6, humidifier bracket 32 support can be moved between the open and the closed positions Lid enclosed member 42.Lid opening members 28 is arranged on the one end of lid enclosed member 42 as shown in Figure 6. Lid enclosed member 42 includes that clip 44, described clip 44 are configured to engage the button gear 15 of lid 18 and incite somebody to action Lid 18 is maintained in make position.Lid enclosed member 42 includes that bar or post 48, bar or post 48 support to be made Lid enclosed member 42 is biased to the spring 46 of make position.In order to open lid 18, user promote and open Component 28 makes it overcome the biasing of spring 46 to arrive the right side of Fig. 5, so that clip 44 and lid enclosed member 42 move to open position.When user's release cap opening members 28, the biasing of spring 46 makes lid close Component 42 and clip 44 are returned in make position.

Lid enclosed member 42 is supported by the front holding wall 33 of bracket 32.Lid enclosed member 42 includes projection 45 (tab), projection 45 engages before being formed at and keeps the groove 41 on wall 33.Front holding wall 33 also includes groove 39, clip 44 is highlighted by groove 39.Groove 39,41 adapts to the sliding motion of lid enclosed member 42, and And clip 44 and projection 45 engage with groove 39,41 respectively.

As it is shown in fig. 7, electric connector 26 is connected to a plurality of electric wire 52, such as three electric wires, these electricity Line is connected on tube connector 50, and Figure 15 shows tube connector 50 and hereinafter carried out more detailed Thin description.Tube connector 50 includes multiple joint 78, these joints 78 quantitatively with electric wire 52 Quantity corresponding and be connected respectively on corresponding electric wire.Although figure shows three electric wires 52 and three Individual joint 78 it should be understood that, it is provided that the electric wire of varying number and joint, such as, two Bar electric wire and two joints.Tube connector 50 allows to add the connection of heat pipe, such as, such as in 2007 The U.S. Patent Application No. 11/936,822 that November 8 submitted to is disclosed, and entire contents is by drawing With being herein incorporated.

As shown in Figure 8 and Figure 9, humidifier bracket 32 is supported by the cavity bottom 54 of humidifier chamber 16. Cavity bottom 54 includes a pair clip 56, and clip 56 is configured to engage the rear side of humidifier bracket 32 The button gear (not shown) of upper correspondence is to be fixed to humidifier bracket 32 in cavity bottom 54.At the bottom of chamber Portion 54 also includes that bottom opening 58, the bottom of humidifier bracket 32 extend through bottom opening 58.Chamber Bottom 54 is configured as being connected to during bracket 32 covering electric wire 52 and lid enclosed member 42, such as Fig. 8 Shown in.

In conjunction with Fig. 9-11, inner panel 60 can be crossed clip 24 and electric connector 26 is fixed to humidifier On bracket 32.As shown in Figure 10, inner panel 60 includes being configured to allow clip more than 24 Individual hole 62, and allow electric connector 26 hole 64 therethrough.Inner panel 60 also includes pair of holes 66, Described hole 66 is configured to accommodate securing member, and such as, threaded fastener 80 (Figure 15), with by inner panel 60 are fixed on humidifier bracket 32.Boss (boss) 68 may also be arranged on inner panel 60 with accommodate for Inner panel 60 is fixed to the securing member on humidifier bracket 32, such as threaded fastener 80.Inner panel 60 Thering is provided overflows back protects against sealing and overflows return-air flow-generator 12 from humidifier 14.

As shown in figure 11, clip 24 is arranged on card trigger 23, and card trigger 23 is arranged on humidifier torr Between frame 32 and inner panel 60.One end of card trigger 23 is fixed to be also disposed at humidifier bracket 32 and interior On plate 25 between plate 60.Plate 25 includes the post 29 supporting spring 27, and spring 27 is configured to make Card trigger 23 biases so that clip 24 runs through the hole 62 of inner panel 60 on the position shown in Fig. 9.When When humidifier 14 is connected on flow generator 12, clip 24 engages and is arranged on flow generator 12 Button gear (not shown), overcome the biasing of spring 27 promote clip 24 and card trigger subsequently 23 (to The right side of Fig. 9).Once clip 24 is fully engaged button gear, and spring 27 makes card trigger 23 and buckles gear 24 It is biased back to the original position shown in Fig. 9, and clip 24 engages the button gear of flow generator 12.When When humidifier 14 is connected on flow generator 12, electric connector 26 is corresponding with flow generator 12 Electric connector (not shown) connect to allow flow generator 12 electric power and/or control signal to be supplied To humidifier 14.As it can be seen, electric connector 26 can include one or more terminals, although should Being understood by, electric connector 26 can include or many be contained in the terminals of flow generator 12 Individual joint.

In conjunction with Figure 12 to 14, humidifier bracket 32 can include the outlet being disposed through exporting 34 70.As shown in figure 14, outlet 70 can include flange 72 and groove 74, and flange 72 is configured to connect Closing the rear wall 55 of humidifier bracket 32, groove 74 is configured to accommodate the sealing ring 76 shown in Figure 13. Removable outlet 70, to allow to change the parts of all wet areas of humidifier, such as, changes case 20 and outlet 70.Outlet 70 can be made up of sterilizable material.It should be understood that outlet Pipe 70 can also be disposable.

In conjunction with Figure 15 and 16, in make position, the lid 18 being provided with sealing member 19 allows humidifier Chamber 16 is sealed and is led to when the air stream that flow generator produces is by the entrance 22 of humidifier 14 Cross flow generator 12 humidifier chamber 16 is pressurizeed.Humidifier chamber 16 pressurization is reduced case 20 The pressure of junction thus reduce leakage.Humidifier chamber 16 pressurization is also reduced relative to entrance Sealing member on 22 and the outlet 70 of humidifier chamber 16 insert the tolerance of case 20.Humidifier chamber 16 also make case 20 heat insulation to provide the thermal characteristics strengthened and to reduce power consumption.Make that case 20 is heat insulation also to be reduced Heat loss to environment.The humidity output of humidifier directly judges from the temperature of water.Because owing to making Case is heat insulation and reduces the heat loss from case to environment, so needing less electric power just to can reach and expecting The humidity corresponding coolant-temperature gage of output.Additionally, the air introduced is before the tank through the outside of case During wall preheated, this also can reduce reach with needed for the temperature of the desired humidity corresponding water of output Electric power.

The most as shown in figure 15, inner panel 60 is fixed on humidifier bracket 32 by threaded fastener 80, Though it is to be understood that be used as other fastening member or inner panel 60 is fixed to humidifier by method On bracket 32.It should be understood that and other clamping structure and system can be used to fix lid releasedly. It is, for example possible to use " promote press open " with closedown operating system (push to close and button to open operation systems).Other example including, but not limited to bar clip system, Rotate clip or hook clip.

Outlet 70 and tube connector 50 provide can connection standard pipe and the ability adding both heat pipes.Such as figure Shown in 15, tube connector 50 and joint 78 are provided separately with outlet 70.There is the electrical connection of correspondence The adding heat pipe and can be arranged to the most snap-fitted with tube connector 50 of device (such as terminals).This The adapter of type makes to connect easily and reduce the tolerance stack of breathing equipment 10.In conjunction with figure 31 described in more detail and are suitably connected to humidifier 14 and used therewith add heat pipe 134. As shown in figure 15, when non-power heat pipe is connected on outlet 70, cover 132 may be connected to humidifier To cover tube connector 50 and joint 78 on rear wall.Cover 132 can by flexible rubber or other be suitable for Flexible material is formed.Selectively, cover 132 can be the individual components being not adhered on humidifier, its Can be plugged into above adapter 50.

In conjunction with Figure 17 and 18, sealing member 19 includes that groove 51, groove 51 are configured to accommodate lid 18 Corresponding edge or limit 57 to be connected to cover on 18 by sealing member 19.Wedge-shaped projection 13 (is also shown in Fig. 3) be configured as covering 18 in the close position time engage case lid 86 so that water tank 20 is towards humidifier chamber The rear wall biasing of room 16, so that outlet 88 and outlet 70 sealing engagement.Sealing member 19 also includes Sealing strip 49, sealing strip 49 extends around the periphery of sealing member 19 and is configured as covering in the close position Time seal lid 18 periphery.Interior sealing strip 53 arranges around the hole 31 of sealing member 19 to seal the window of lid 18 30 around.

The disposable first embodiment of humidifier case

In conjunction with Figure 19 and 20, water tank 20 includes case matrix 82 and current plate 84.Current plate 84 includes point Dividing plate 96, demarcation strip 96 include being configured to receiving by the passage 90 of case lid 86 guide can respiratory gas The entrance 98 of stream.The outlet of passage 90 is configured as when case lid 86 is fixed on case matrix 82 guiding Air-flow enters into the entrance 98 of demarcation strip 96, as described in detail below.

Current plate 84 also includes that frame seal 94, frame seal 94 are configured as case lid 86 even The periphery of seal box matrix 82 when receiving case matrix 82.Frame seal 94 is by multiple support members or company Connect beam 100 and be connected to demarcation strip 96.By tie-beam 100 demarcation strip 96 and frame seal 94 it Between be provided with gap 87.

Dipperstick 102 is arranged on the demarcation strip 96 of current plate 84 with indicated water level.Such as Figure 18-20 Shown in, dipperstick 102 can include frusto-conical portion.As shown in figure 23, dipperstick 102 It can be taper.Little osculum 104 is positioned on the bottom of dipperstick 102 to allow water to inject water level Indicator 102 and afterwards when water level declines in case matrix 82 by water from the end of dipperstick 102 Portion is discharged to case matrix 82.Once the water level in case matrix 82 reaches the height of little osculum 102, water Position indicator 102 provides the instruction to the water level in case 20 by making dipperstick 102 inject water, The water level in case matrix 82 is allowed to inject afterwards, until the water in dipperstick 102 reaches desired water Position (water level such as indicated by labelling 103).Although dipperstick 102 provides the instruction of water level, but Be when can respiratory air flow be directed into the surface of the water being contained in case matrix 82 time, water level be not crucial this It is because this air-flow to contact well with the surface of water.Dipperstick 102 can be provided with labelling 103 To indicate the maximum stage of water tank 20.The light sent by hole 35 from PCB allows to see dipperstick Water level in 102.

In conjunction with Figure 21-25, according to the sample embodiment of the present invention, water tank 20 is configured to disposably. Case 20 includes being configured to accommodate the case matrix 82 for feedwater.Case lid 86 is arranged on case matrix 82. Case lid 86 can be by being such as welded and fixed on case matrix 82.Case 20 can be by such as plastic material, gold Belong to or the combination of metal and plastics is formed.

As shown in figure 23 and figure 24, current plate 84 is arranged on case matrix 82.Case lid 86 includes passage 90, passage 90 receives and is entered humidifier 14 by what flow generator 12 produced by air intake 22 Can respiratory air flow.As shown in figure 23, passage 90 includes being accommodated in the entrance 98 of demarcation strip 96 Channel outlet 92.Owing to air enters into central authorities the outside flowing to case and afterwards upwardly through case matrix Gap between wall and the demarcation strip 96 of 82 arrives the outlet 88 of case lid 86, and demarcation strip 96 guarantees to exhale Inspiratory flow flows through whole case.

In conjunction with Figure 25, case matrix 82 includes case matrix limit 118, and case matrix limit 118 is by the card of case lid 86 Pull 130 joints so that case matrix 82 and case lid 86 connect.Frame seal 94 includes sealing member 112, Sealing member 112 is arranged between the limit 118 at the clip 130 of case lid 86 and case matrix 82.Wedge 114 are arranged on each tie-beam 100 and are connected on sealing member 112, with force sealing member 112 with Sealing engagement between limit 118 and clip 130.Wedge 114 is engaged by the wedge 116 of case lid 86 To force the sealing engagement between sealing member 112 and limit 118 and clip 130.

Disposable second embodiment of humidifier case

In conjunction with Figure 26-49, it is illustrated that be configured to disposable humidifier case according to another embodiment. Humidifier case 20 can include case matrix 82 and have the case lid 86 of passage 90.Case lid 86 may also comprise use Carry humidified can the case outlet 80 of respiratory air flow.Case dewatering outlet 89 may also be arranged in case lid 86.

In conjunction with Figure 27, humidifier case 20 may also comprise the current plate 84 with demarcation strip 96.Entrance 98 It is arranged on the demarcation strip 96 that the outlet 92 (Figure 28) of passage 90 with case lid 86 is corresponding.Current plate The demarcation strip 96 of 84 is connected on frame seal 94 by multiple tie-beams 100.Gap 87 is arranged Between frame seal 94 and demarcation strip 96.

In conjunction with Figure 27, Figure 29, Figure 30-32, Figure 37-41 and Figure 43-49, humidifier case 20 is all right Including dipperstick 102.Dipperstick 102 can be arranged on the demarcation strip 96 of current plate 84. As it can be seen, such as, in Figure 39, dipperstick 102 can have the most polygonal periphery, Including general rectangular portion 175 and general triangular portion 177.It should be understood, however, that can be water Position indicator 102 arranges other peripheral shape, and the polygon including rule is (the most square, rectangular Shape, pentagon), or the polygon that regular polygon is combined into, or the polygon combined with curvilinear surface.

As shown in Figure 31, Figure 37, Figure 39, Figure 41, Figure 43, Figure 45, Figure 46 and Figure 49, water level Indicator 102 includes that osculum 104 is to allow water to be discharged to case matrix from the bottom of dipperstick 102 82.As it can be seen, such as, in Figure 49, osculum 104 is not located at the end of dipperstick 2 Portion, and the centre position being between bottom and the top of dipperstick 102 is to allow arbitrarily to converge Water from centre position discharge.In this embodiment, dipperstick 102 is not to inject water, but logical Cross the domatic indicated water level of dipperstick, as described in more detail below.As shown in figure 37, draining On the position of the plane that hole 104 is positioned at the demarcation strip 96 being corresponding generally to current plate 84.Or such as Figure 37 Shown in, and as shown in Figure 31, Figure 38, Figure 39, Figure 41, Figure 43, Figure 45 and Figure 46, water level Indicator 102 can include the maximum labelling 103 injecting water level indicating humidifier case 20.As it can be seen, Labelling 103 can be arranged at the height identical with osculum 104 of dipperstick 102.

In conjunction with Figure 49, when case is in the state assembled, the general triangular portion of dipperstick 102 In the lower section of frame seal 94 extends to case matrix 82, and include the first inclined wall 109 and Two inclined walls 111.When the water level of case matrix 82 increases in injection process, first water level will contact water The bottom of position indicator 102.Along with water level persistently increases, the second inclined wall 111 is towards osculum 104 He Labelling 103 guides water level, osculum 104 and labelling 103 to be arranged on frame seal 94 and current plate In inclined wall 111 between demarcation strip 96.When water level persistently increases and during close to osculum 104, with The visibility of the relevant water level of labelling 103 increases.Owing to labelling 103 is arranged on identical with osculum 104 Height on, when water level reaches the height of osculum 104 and labelling 103, the maximum of case 20 injects water Position is detected.

In conjunction with Figure 33, Figure 35, Figure 42 and Figure 48, sealing member 112 can be arranged on tie-beam 100 The periphery of wedge 114.The wedge 116 of case lid 86 is configured to engage the demarcation strip of current plate 84 The wedge 114 of 96, to force sealing member 112 to be positioned at limit 118 and the card of case lid 86 of case matrix 82 Pull between 130.As shown in figure 48, wedge 114 can include the flange 105 around its periphery, described convex Edge 105 includes the groove 107 being configured to accommodate a part for sealing member 112, such as, as shown in figure 33.

Disposable 3rd embodiment of humidifier case

In conjunction with Figure 50-62, according to another sample embodiment as shown, humidifier water tank 20 is configured For disposably.Humidifier case 20 includes case matrix 82 and case lid 86.Case lid 86 includes that ellipse is opened Mouthfuls 300 and water leg district (sump region) 340, water leg district 340 around the outlet 92 of passage 90, The outlet 92 of passage 90 is formed in case lid 86 to be directed to be contained in case from flow generator by air stream Waterborne in 20.Water leg district 340 passes through to provide the inhalant region bigger than the outlet 92 of flow channel 90 And contribute in injecting case 20.

Case lid 86 also include cover portion 301, cover portion 301 cover flow channel 90 from flow generator 12 To the part of the entrance 98 of case 20, this part is at an angle of downwards towards flow generator 12.If case 20 Injecting water and remain attached to flow generator 12, cover portion 301 prevents any current from returning to flow generator 12 In, because water only can be poured into and be guided downwards water by being designed as of providing of opening 300 towards outlet 92 in case Region in.

As shown in Figure 53-62, dipperstick 320 can be arranged can be seen by the window 30 of lid 18 On the humidifier case 20 seen.Dipperstick 320 can include base portion 307 and extend from base portion 307 Rake 303.Rake 303 can include that mark 304 is with the different water level of instruction.Rake 303 is also Can include that labelling 311 injects water level with instruction maximum.

Dipperstick 320 can be detachably connected to the demarcation strip 96 of current plate 84 by post 305 On.Post 305 can be plugged in the hole 309 on the demarcation strip 96 of current plate 84.Such as Figure 60 a-60c institute Showing, post 305 can include clip 313, and clip 313 can be resiliently relative to the other parts of post 305 Motion.Leg 315 is connected on the pedestal 307 of dipperstick 320, and clip 313 may be provided at lower limb The end in portion 315.Leg 315 can be connected by crossing members 317, such as Figure 59,60b and Shown in 61.

Dipperstick 320, such as rake 303, can be formed by colored plastic material, such as yellow Color.Dipperstick 320 can be the most translucent.When case 20 injects water, dipperstick 320 can look change color, such as, look somewhat deepen or in yellowish green along with water level rises Color.

As it can be seen, dipperstick 320 can be the D-shaped of circular arch, though it is to be understood that can To use other shape.Should also be understood that dipperstick 320 can be by being different from accompanying drawing Shown in and the structure of post 305 that describes be connected on the demarcation strip 96 of current plate 84.Such as, water level Indicator 320 can be adhered on demarcation strip 96, or dipperstick 320 can be with current plate 84 Demarcation strip 96 form (such as molding).

Reusable and the capable of washing first embodiment of humidifier case

In conjunction with Figure 63-67, case 20 according to another embodiment of the present invention be configured to reusable also Capable of washing.Case matrix 82 includes multiple clip 106, and clip 106 is configured to engage case lid 86 and protect Hold case lid 86 to link together with case matrix 82.It is also provided with clip 108 and clip 108 includes hole 110 to accommodate the outlet 88 of current plate, as shown in Figure 63.

Current plate 84 is configured to can to dismantle from case matrix 82 and it is not to be permanently attached to case matrix On 82.As shown in Figure 65 and Figure 67, the tie-beam 100 of current plate 84 includes being connected to sealing member 112 On wedge 114.Sealing member 112 is forced to into limit 120 and the case matrix being sealably engaged on case lid 86 Between the limit 118 of 82.Clip 106 is set so that case lid 86 to clip to case matrix 82, and sealing member 112 It is fixed on by way of sealing engagement between case lid 86 and case matrix 82.The Part I 124 of clip 106 Joint case matrix 82 is up to limit 118, and the Part II 126 of clip 106 is configured to engage The projection 128 of case lid 86, thus fixing case lid 86 and case matrix 82 make the two engage.

Humidifier 14 does not includes any sealing member being arranged on the supply side under water of case matrix 82.Lid 18 Humidifier chamber 16 pressurization is subtracted by the air-flow provided with permission flow generator 12 including sealing member 19 The pressure of little case junction, thus reduce leakage, described case includes disposable case and reusable and can The case cleaned.The pressurization of humidifier chamber is also reduced relative to the entrance of humidifier and going out of humidifier 14 Sealing member on mouth pipe 70 inserts the tolerance of water tank.The sealing ring 76 arranged on outlet 70 is arranged on On the outer surface of humidifier bracket 32 and be not located at being contained in case matrix 82 under feedwater Side.

Reusable and capable of washing second embodiment of humidifier case

In conjunction with Figure 68-72, it is configured to reusable and capable of washing according to the water tank 20 of another embodiment. Case 20 can have and the dipperstick similar relative to the dipperstick described by embodiment before 320.It should be understood that case 20 can be provided with any one dipperstick described herein.

Case lid 86 can include that cover portion 301 is to cover and to be connected to the entering of humidifier 14 of flow generator 12 The inlet region of mouth 22 adjacent flow channels 90.

As shown in Figure 68-72, case lid 86 can be fixed on case matrix 82 by multiple clips 106,108. Clip 108 can have the hole of the outlet 88 being configured to storage case 20.Case lid 86 can include projection 128, Projection 128 is accommodated in the hole 129 of clip 106.Case lid 86 may also comprise projection 152, projection 152 It is accommodated in the hole 151 in clip 108.

Or as shown in Figure 68-72, case lid 86 can include recess 330, when case lid 86 is inserted by user Time on case matrix 82, the finger of the user of recess 330 storage case 20 is to provide case lid 86 and clip 106 Between space so that projection 128 is accommodated in hole 129.Groove 330 also can will cover 86 During pedestal 82 is dismantled, accommodate finger, such as, allow the parts of case 20 to be opened and clean.

It should be understood that case reusable and capable of washing can include as above in regard to disposable case The dipperstick discussed of embodiment.Should also be understood that case reusable and capable of washing Can include that more than one is such as the dipperstick discussed relative to above-described embodiment.Will be further understood that , dipperstick or indicator or case may not include the labelling of instruction maximum stage.

Add heat pipe

In conjunction with Figure 73, add heat pipe 134 and may be connected on the outlet 70 of humidifier 14.Add heat pipe 134 Including big envelope 136, big envelope 136 includes that humidifier adapter 138, humidifier adapter 138 are configured to It is connected on the tube connector 50 of humidifier 14.Humidifier adapter 138 includes terminals 140, connects Line end 140 receives tube connector when being configured as connecting humidifier adapter 138 and tube connector 50 The joint 78 of 50.Big envelope 136 can be such as shape as described in U. S. application the 11/936,822nd Becoming, entire contents is incorporated herein by reference.Add heat pipe can include, such as two or three electric wire, And signal can be sent to the controller in humidifier and/or flow generator and receive from it signal, such as U.S. As described in state's application the 11/936,822nd.It is configured to be inserted in the tube connector 50 of Figure 15 The end of humidifier adapter 138 can have angle 200 to contribute to adapter 138 is inserted into Guan Lian Connect in device 50.Angle 200 can be between about 15 °-35 °.

In conjunction with Figure 74-76, adding heat pipe 134 can be by being arranged on the big envelope 142 of the end adding heat pipe 134 It is connected on patient interface (such as face shield).In aerofoil profile fixture 144 is arranged on big envelope 142 and include Thermal resistor 148, as shown in Figure 75.The shape of aerofoil profile fixture 144 provides fixes around aerofoil profile The smooth air of part 144, thus thermal resistor 148 provide in pipe 134 can respiratory air flow The good reading of temperature.Big envelope 142 can be formed on front plate 146 by such as crossing to cast in, Or pass through any means formation such as described in U. S. application the 11/936,822nd.Temperature-sensitive electricity Resistance device 148 is connected to add on the electric wire in heat pipe 134 by lead frame 150.By thermal resistor 148 The temperature of detection could be arranged to pass through lead frame 150 and electric wire to being positioned at humidification from thermal resistor 148 The signal of the controller in device and/or flow generator.

Pipe 134 can have the internal diameter of 15mm.Pipe 134 can utilize such as U. S. application the 11/936,822nd Number described electric wire heats.It is used as the non-heated air delivery pipe of 15mm.15mm's is interior The tapered coupling (isotaper connection) that waits of the available 22mm of footpath pipe is connected to tube connector 50 He Patient interface.

Although already in connection with it is now recognized that the most practical and preferred embodiment invention has been described, so And it should be understood that the present invention is not limited to the disclosed embodiments, on the contrary, it is contemplated that cover Including various improvement within the spirit and scope of the present invention and equivalent structure.And, above-mentioned each is implemented Example can be implemented in conjunction with other embodiment, and such as, the scheme of an embodiment can be real with another The scheme executing example combines to realize further embodiment.Additionally, any given assembly is each independent special Levy or parts can form further embodiment.And, each separate part of any given assembly, appoint One or more parts of the single parts of the given assembly of meaning and the parts of one or more embodiment each Plant combination and can include one or more ornamental design feature.Although additionally, it finds particular application in suffering from The patient of obstructive sleep apnea it should be understood that, suffer from Other diseases and (such as, fill Courageous and upright heart failure, diabetes, morbid obesity, apoplexy stomach function regulating bypass surgery etc.) patient also be able to Benefit from above-mentioned theory.And, above-mentioned theory be also applied for the patient that is similar in non-medical applications and Non-patient.

In this manual, term " includes " implication being interpreted as " open ", i.e. " include ... including " The meaning, be therefore not limited to the meaning of its " closed ", i.e. the meaning " only by ... composition ".Gone out Existing corresponding word " includes " " being included " and " including " also the meaning of correspondence.

It is to be further understood that in addition to there is contrary instruction, any to known existing skill The reference of art is cognitive all without constituting such a: this prior art skill to the field that the invention relates to Art personnel are generally known.

Claims (68)

1. for humidification to be delivered to patient can the humidifier of respiratory air flow, described humidifier includes:

Humidifier chamber, exports including chamber atmosphere entrance and chamber atmosphere, and described humidifier chamber is joined Being set to can respiratory air flow described in reception；

Case, exports including case lid, case matrix, tank inlet and case, and described case is configured to 1) accommodate confession Feedwater, 2) it is removably inserted in described humidifier chamber, and 3) can draw described by respiratory air flow Lead the described tank inlet of entrance；

Humidifier lid, is pivotally connected to described chamber, and described lid can be in open position and make position Between move, wherein at described open position, the inside of described chamber exposes in an atmosphere, closes described Closing position, the inside of described chamber is avoided air by sealing, so that when described breathable gas flows Described chamber is pressurized；And

The lid sealing member of described lid is set to,

Wherein when described humidifier lid is in described make position, described lid sealing member is configured to engage Described case lid is beneficial to the formation of the sealing between the outlet of described case and described chamber outlet.

Humidifier the most according to claim 1, wherein said humidifier lid is hinged to described humidification On device chamber.

Humidifier the most according to any one of claim 1 to 2, wherein said humidifier chamber by Bracket limits, and includes clip, and described clip engages corresponding button gear on described humidifier lid with will Described humidifier lid is maintained at described make position,

Described clip is biased to make position, engages with described button gear at clip described in described make position, And

Described clip is arranged on by the lid enclosed member keeping wall to support of described bracket.

Humidifier the most according to claim 3, wherein said lid enclosed member includes that at least one is convex Block, at least one projection described is accommodated at least one groove in described holding wall.

Humidifier the most according to claim 4, wherein said lid enclosed member includes opening members, Described opening members can be engaged by user so that described lid enclosed member and described clip keep off from described button Engagement movement separates to described button gear.

6., according to the humidifier according to any one of claim 3 to 5, wherein said bracket includes chamber Air intake and chamber atmosphere outlet.

Humidifier the most according to claim 6, wherein said case lid include being configured to receiving from The described of described chamber atmosphere entrance can the passage of respiratory air flow.

8., according to the humidifier according to any one of claim 3 to 7, farther include to be fixed to described The inner panel of bracket, described inner panel is configured to supply to overflow and only goes back on defense.

Humidifier the most according to any one of claim 1 to 8, wherein said lid sealing member includes Sealing strip, it is described that described sealing strip is configured as sealing when described humidifier lid is positioned at described make position The periphery of humidifier lid.

Humidifier the most according to claim 9, wherein said humidifier lid includes window, described lid Sealing member includes the hole around described window.

11. humidifiers according to claim 10, wherein said lid sealing member includes being configured to close Seal the interior sealing strip of the periphery of described window.

12. according to the humidifier according to any one of claim 1 to 11, wherein said humidifier chamber Including being configured to heat the heating plate for feedwater being contained in described case.

13. humidifiers according to claim 12, further include at described heating plate and described add Thermal insulation layer between the bottom of wet device chamber.

14. according to the humidifier according to any one of claim 12 to 13, wherein when described humidifier When lid is positioned at described make position, described case is pushed against described heating plate.

15. according to the humidifier according to any one of claim 1 to 14, and wherein outlet is arranged to Exported by described chamber atmosphere.

16. humidifiers according to claim 15, farther include to be connected to the defeated of described outlet Send flexible pipe.

17. according to the humidifier according to any one of claim 1 to 16, wherein said lid sealing member bag Including at least one first projection, at least one first projection described is configured as described humidifier lid and is in Described case is engaged during described make position.

18. humidifiers according to claim 17, at least one first projection wherein said is wedge shape Shape.

19. according to the humidifier according to any one of claim 17 to 18, wherein said lid sealing member Including at least one the second projection, at least one second projection described is configured to engage the top of described case.

20. humidifiers according to claim 19, at least one second projection wherein said is dome Shape.

According to the humidifier according to any one of claim 1 to 20, wherein said case, 21. include that case is put The mouth of a river.

22. humidifiers according to claim 21, wherein said lid sealing member includes being configured as Described humidifier lid seals the sealing ring of described case dewatering outlet when being in described make position.

23. 1 kinds for the breathing equipment of patient will can be flowed to by respiratory air flow, including:

Flow generator, it is configured to can respiratory air flow described in generation；And

According to the humidifier according to any one of claim 1 to 22, wherein said humidifier is configured to It is connected to described flow generator.

24. 1 kinds for humidification to be delivered to patient can the humidifier of respiratory air flow, described humidifier bag Include:

Humidifier chamber, being configured to pass can respiratory air flow described in chamber ingress reception；

Humidifier lid, is arranged on described chamber, and can transport between the open and the closed positions Dynamic；And

Case, is configured to be releasably housed in described chamber and accommodate for feedwater, described case include by It is configured to receive the tank inlet of the breathable gas from described chamber interior；

Wherein, when described humidifier lid is in described make position, described chamber is sealed, so that Described can respiratory air flow to around described case described chamber pressurize.

25. humidifiers according to claim 24, wherein said case includes the lid with passage, institute State passage open to the inside of described humidifier chamber and be configured to by described can respiratory air flow from chamber Entrance is directed to described tank inlet.

26. humidifiers according to claim 25, wherein said lid is hinged to described humidifier chamber Room.

27. according to the humidifier according to any one of claim 25 to 26, wherein when described humidifier When lid is in described make position, the described humidifier lid described case of promotion is against described chamber outlet, described Described chamber can be left by respiratory air flow by described chamber outlet.

28. humidifiers according to claim 27, wherein promote described case against described when described lid During chamber outlet, case exit seal ground engages described chamber outlet.

29. 1 kinds for the breathing equipment of patient will can be flowed to by respiratory air flow, including:

Flow generator, it is configured to can respiratory air flow described in generation；And

According to the humidifier according to any one of claim 24 to 28, wherein said humidifier is configured For being connected to described flow generator.

30. 1 kinds for humidification to be delivered to patient can the humidifier of respiratory air flow, described humidifier bag Include:

Humidifier chamber, being configured to pass can respiratory air flow described in chamber ingress reception；

Humidifier lid, is arranged on described humidifier chamber, and can be in open position and make position Between move；And

Case, is configured to be releasably housed in described chamber and accommodate for feedwater, described case include by It is configured to the tank inlet being in fluid communication with described chamber ingress；

Wherein, when being in described make position, described humidifier lid sealingly engages around described case The periphery of described humidifier chamber so that described can respiratory air flow to the inside of described case and described case week The described humidifier chamber pressurization enclosed.

31. humidifiers according to claim 30, wherein said case includes case lid, and described chamber Chamber inlet can be inducted into described case by respiratory air flow via the passage in described case lid by described.

32. humidifiers according to claim 31, wherein when described case accommodates in the cavity, Described chamber ingress and described tank inlet are positioned at the opposite end of described passage.

33. according to the humidifier according to any one of claim 30 to 32, wherein when described humidifier When lid is in described make position, the outlet of described case is forced against the outlet of described chamber.

34. humidifiers according to claim 33, wherein said humidifier lid and described case are configured Engage with causing the outlet of described case and the exit seal of described chamber for making to close described humidifier lid.

35. 1 kinds for the breathing equipment of patient will can be flowed to by respiratory air flow, including:

Flow generator, it is configured to can respiratory air flow described in generation；And

According to the humidifier according to any one of claim 30 to 34, wherein said humidifier is configured For being connected to described flow generator.

36. 1 kinds are used for being inserted into the case in humidifier chamber, including:

Case matrix, it is configured to accommodate for feedwater；

Case lid；

Current plate；And

Sealing member, it is connected to described current plate,

Wherein said current plate is via the sidewall edge of described sealing member and described case matrix and described case lid The joint of sidewall edge and between described case matrix and described case lid.

37. casees according to claim 36, wherein said sealing member is by least one tie-beam even Receiving described current plate, at least one tie-beam described provides between described sealing member and described current plate Gap flows upward to described case lid with permission air from described case matrix part.

38. according to the case in any of the one of claim 36 to 37, farther includes to be arranged on institute State the dipperstick on current plate.

39. according to the case described in claim 38, wherein said dipperstick include general rectangular portion and General triangular portion.

40. include at least in part according to the case described in claim 39, wherein said general triangular portion The inclined wall extended below described demarcation strip.

41. casees according to claim 40, wherein said inclined wall includes osculum and labelling.

42. casees according to claim 41, wherein said osculum and described labelling are arranged on described At the identical height of inclined wall.

43. according to the case according to any one of claim 36 to 42, wherein said current plate include into Oral pore, described ingate is directed at described tank inlet the air stream after pressurization is directed to described case matrix, So that air is to dirty and flow through the water surface in described case matrix.

44. 1 kinds for humidification to be delivered to patient can the humidifier of respiratory air flow, described humidifier bag Include:

Chamber, it is configured to can respiratory air flow described in reception；

Case, its be configured to accommodate for feedwater, described case is configured to be inserted in described chamber, wherein Described case includes

Case matrix, it is configured to accommodate for feedwater；

Case lid；

Current plate, it is arranged between described case matrix and described case lid, wherein said current plate bag Including dipperstick, described dipperstick is configured to the water level for feedwater indicated in described case matrix； And

Humidifier lid, it is arranged on described chamber and can transport between the open and the closed positions Dynamic.

45. humidifiers according to claim 44, wherein said current plate via described sealing member with The sidewall edge of described case matrix and the joint of the sidewall edge of described case lid and be positioned at described case matrix and institute State between case lid.

46. according to the humidifier described in claim 44 or 45, and wherein said current plate is included in described Demarcation strip between case matrix and described case lid.

47. humidifiers according to claim 46, wherein said demarcation strip includes entrance, described in enter Mouth be configured to receive come from the passage that is arranged in described case lid can respiratory air flow.

48. include being configured according to the humidifier described in claim 46 or 47, wherein said demarcation strip For indicating the dipperstick of the water level for feedwater in described case.

49. humidifiers according to claim 48, wherein said dipperstick includes osculum.

50. according to the humidifier described in claim 48 or 49, and wherein said dipperstick includes using Labelling in instruction maximum stage.

51. indicate according to the humidifier according to any one of claim 48 to 50, wherein said water level Device includes taperer.

52. indicate according to the humidifier according to any one of claim 48 to 50, wherein said water level Device includes general rectangular portion and general triangular portion.

53. humidifiers according to claim 52, wherein said general triangular portion includes at least portion Divide the inclined wall that ground extends below described demarcation strip.

54. humidifiers according to claim 53, wherein said inclined wall include described osculum and Described labelling.

55. humidifiers according to claim 54, wherein said osculum and described labelling are arranged on At the identical height of described inclined wall.

56. 1 kinds are configured to accommodate the case supplying to feed water and be inserted in the chamber of humidifier, and described case includes:

Case matrix, it is configured to accommodate for feedwater；

Case lid；And

Current plate, it is arranged between described case matrix and described case lid,

Wherein said current plate includes that dipperstick, described dipperstick are configured to indicate described case The water level for feedwater in matrix, described dipperstick includes general rectangular portion and general triangular portion, Wherein said general triangular portion include at least in part below described current plate extend inclined wall and Described inclined wall includes osculum and labelling.

57. casees according to claim 56, wherein said osculum and described labelling are arranged on described At the identical height of inclined wall.

58., according to the case described in claim 56 or 57, farther include:

It is arranged on the sealing member on described case lid.

59. are included according to the case according to any one of claim 56 to 58, wherein said current plate Demarcation strip between described case matrix and described case lid.

60. casees according to claim 59, wherein said demarcation strip includes entrance, described entrance quilt Be configured to receive come from the passage that is arranged in described case lid can respiratory air flow.

61. casees according to claim 60, wherein said sealing member is by least one tie-beam even Receiving described current plate, described tie-beam provides the gap between described sealing member and described current plate, with Air is allowed to flow upward to described case lid from described case matrix part.

62. according to the case according to any one of claim 56 to 61, and wherein said case lid is releasedly It is connected on described case matrix.

63. casees according to claim 62, wherein said case lid is connected to described case matrix by clip On.

64. casees according to claim 63, wherein said clip is arranged on around described case matrix.

65. are configured to described stream according to the case described in claim 62 or 63, wherein said clip The described sealing member of template is pressed between described case matrix and described case lid.

66. include recess according to the case according to any one of claim 62 to 65, wherein said case lid, So that user's finger can enter between described case lid and described clip.

67. according to the case according to any one of claim 56 to 66, and wherein said dipperstick can Releasably it is attached on described case.

68. according to the case described in any one in claim 56 to 67, wherein said dipperstick Including color, such as yellow, described color seems to raise along with described water level and change, such as, passes through Seem to deepen or seem to include the mixing of color.