CN207627699U

CN207627699U - Lung ventilator gas distribution channel

Info

Publication number: CN207627699U
Application number: CN201720525052.XU
Authority: CN
Inventors: 董宪珍
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-05-12
Filing date: 2017-05-12
Publication date: 2018-07-20
Anticipated expiration: 2027-05-12

Abstract

The utility model is related to lung ventilator gas distribution channels, its pipe main body includes left section and right section, humidification pipe is set between left section and right section, left section is matched between shell by line style rail structure, left section sets corresponding flange between shell, flange piece sets resetting spring, shell sets through-hole with left section of left end relative position, compressed part is removably fixed on through-hole, compressed part extends to one end in shell and withstands on left section of left side, humidification pipe is equipped with annular chamber, annular chamber is connected to multiple tablet cavitys of radial radiation setting, humidification portion includes shaft and multiple fan-shaped frame bodies, the outer wall of fan-shaped frame body is contacted with the wall surface of tablet cavity, absorbent filter is set on inner wall.It can effectively adjust the coordination variation of absolute humidity and relative humidity in transfer pipeline, make two parameter values while increasing, it can especially significantly improve and adjust empty, oxygen gas mixture relative humidity ability, be promoted to being supplied to the sky of patient, oxygen gas mixture heats, humidification efficiency and effect.

Description

Lung ventilator gas distribution channel

Technical field

The utility model is related to the medical instruments fields that Respiratory Medicine uses, and in particular to be used for conveying in lung ventilator it is empty, The pipe section of oxygen gas mixture.

Background technology

Lung ventilator is can to play auxiliary treatment respiratory failure, and the doctor of patients ' lives is saved and extends in Breathing Suppotion treatment Treat equipment.The operation logic of lung ventilator is will to be sent to the lung of patient after a certain proportion of (compression) air and (compression) oxygen mix Portion, and require the sky of input, oxygen gas mixture that the humidity and temperature that have certain, the i.e. gas of patient's incoming call is needed to meet The tidal volume parameter request medically required.The moisture output quantity of lung ventilator has to the physiology tidal volume more than people, physiology tide Tolerance is 6-10 milliliters/kilogram, and the moisture output quantity of lung ventilator is up to 10-15 milliliters/kilogram, often physiology tidal volume It 1 to 2 times, specifically also further to be adjusted according to chest rise, two lung air inlet situation of auscultation, two table of reference pressure, blood gas analysis etc. Section.

To meet requirement of the lung ventilator to tidal volume parameter, increase the wet of sucking gas provided with humidification machine in lung ventilator Degree.Common humidification machine type has cold water humidifying, heating humidifying, atomization humidifying and heat moisture exchanger (HME/ in lung ventilator at present HMEF)。

Cold water humidifying, which refers to, sucks gas in the case where not water supply is heated directly by there is the container of water, reaches at room temperature The purpose of humidifying.The relative humidity of this humidification machine is limited by gas water contact area and water temperature, thus relative humidity compared with It is low, have to improve relative humidity also and is made water fogging by the way of machinery.With easy use, there is lower internal compliance The advantages of, the disadvantage is that since inlet temperature is too low, patient has sense of discomfort.

Heating humidifying is that heating plate or heater strip heating generation vapor are placed in water container, and adjusting heating temperature makes water The absolute humidity of steam changes.This wetting approach is more common, its advantage is that patient's sucking is comfortable, can keep patient temperature, The disadvantage is that internal compliance is relatively large, price is also expensive.Heating humidifying, there are two types of forms at present：One is the heating of single servo, I.e. only there are one heating elements in a reservoir.Another humidification machine not only heats in a reservoir, and in patient's intake line Heater strip heating is placed, heating temperature is controlled using the temperature difference of container and pipeline.Double servo type humidifiers improve single servo Type is easy the shortcomings that condensate in the duct, but this method merely adds absolute humidity, does not increase relative humidity.

Atomization humidifying is to generate very thin water mist with ultrasonic crystal vibration, and common humidifier is exactly this principle, this The aqueous vapor temperature near room temperature that humidifier comes out, thus cannot be used for a long time on lung ventilator, it otherwise may be decreased the body of patient Temperature.

Heat moisture exchanger (HME/HMEF) is disposable, and bionical camel nose is made.There is chemistry inside it Adsorbent can keep moisture when the patient breathes out, and then humidifying is carried out by exchanger when sucking gas.This exchanger collection The advantages of having suffered the above humidifier can keep body temperature, smaller inside compliance to be easy to use.Due to being also not have disposably There is the danger of bacterial growth, but has certain resistance.

Utility model content

The utility model carries out structure optimization mainly for the lung ventilator using heating humidifying, to overcome using double servos When heating humidifying mode, existing absolute humidity is easy there is a problem of that variation is uncoordinated with relative humidity.Specifically, this reality A kind of lung ventilator gas distribution channel is provided with novel, which is arranged in empty, oxygen gas mixture transfer pipeline end, can The coordination variation for effectively adjusting absolute humidity and relative humidity in transfer pipeline, it is mixed can especially to significantly improve adjusting sky, oxygen The ability of gas relative humidity is closed, is promoted to being supplied to the sky of patient, oxygen gas mixture heats, moisturization effect.

The technical solution adopted by the utility model to solve its technical problems is that：

A kind of lung ventilator gas distribution channel comprising shell, the pipe main body being arranged in shell and humidification pipe and pipeline master The matched compressed part of body left end and resetting spring.

The pipe main body includes left section and right section, and the humidification pipe is arranged between left section and right section, the humidification pipe Left and right end face and left section described, right section of corresponding end surface between be equipped with sealing ring.

It is matched by line style rail structure between left section of the outer wall and the inner wall of the shell.Left section of the outer wall The inner wall of the upper and described shell is equipped with corresponding flange, the resetting spring be located at flange on the left section of outer wall with it is described Between flange in inner walls, can push described left section in being moved to away from right section of the direction along straight line in shell.

Shell position corresponding with left section of the left end is equipped with through-hole, and the compressed part is removably solid Dingan County is on the through-hole.One end of the compressed part extends to the enclosure interior and withstands on left section of the left side On, it is entirety by humidification pipe and described left section and right section pressing.

It is excellent specifically, the compressed part be the bolt equipped with axially extending bore.The shell is corresponding with left section of left end The through-hole of position setting is threaded hole, and bolt coordinates with threaded hole.When bolt is threaded into hole, left section of bolt pusher is to the right It slides straightly, the final pipe that is humidified is squeezed between left section and right section, and the tube chamber for the pipe that is humidified connect to be formed with the tube chamber of left section, right section The entirety of sealing, resetting spring are compressed, to left section of effect with pre- elastic force to the left；When bolt is back-outed threaded hole, bullet is resetted Spring pushes left section to move linearly and detached with humidification pipe to the left, can remove humidification pipe later and replace the humidification portion being arranged thereon. The compressed part can also be the column casing equipped with axially extending bore, and the cylinder of column casing passes through the through-hole on shell, outer end to be equipped with radial Flange, inner end are matched with left section of left side.Under such structure, the axial length of column casing wants larger, and column casing is fully inserted into Just can be entirety by left section, humidification pipe and right section of pressing, and by matching the bolt being arranged on flange by compressed part in shell It is fixed on shell, release the connection of compressed part end flange and shell just can make under the resilient force of resetting spring Left section, humidification pipe and right section of axial separation.In addition to above two structure, compressed part can also use other structures, but need It emphasizes, the structure setting of compressed part needs to ensure that left section of left end can be with external piping connection, this is just being upper Two kinds of structures for stating use, the reason of being respectively provided with axially extending bore.

The installation site of corresponding humidification pipe is equipped with installation opening on the shell, to ensure that smoothly humidification pipe is put into shell It is connected as entirety with left section and right section pressing, the axial length of the installation opening is more than the axial length of the humidification pipe, radial width More than the outer diameter of the humidification pipe.

The humidification pipe is internally provided with annular chamber, and the axial direction of the annular chamber is consistent with humidification pipe.The annular The wall body of chamber is equipped with multiple tablet cavitys for radially radiating arrangement, and multiple tablet cavitys are uniformly distributed along the circumference setting.It is described flat The inner cavity of plate cavity is connected to the annular chamber.The wall body of the humidification pipe is equipped with the connection of multiple connection annular chambers Mouthful.

It is equipped with humidification portion in the inner cavity of the humidification pipe.The humidification portion includes shaft and is uniformly distributed along the circumference on shaft Multiple sector frame bodies.The number of the sector frame body is corresponded with the scallop hole that tablet cavity interval is formed.The fan The outer wall of shape frame body is contacted with the wall surface of the tablet cavity.The inner wall of the sector frame body is equipped with the absorbent filter soaked. As preferred structure, the shaft is equipped with axially extending sap cavity.The absorbent filter being arranged on each sector frame body inner wall has A plurality of cotton thread.Cotton thread arranges that each layer cotton thread surround and form sector along the axial inner wall higher slice in the fan-shaped frame body of shaft, The end of cotton thread is stretched into the sap cavity of the shaft.Further optimize, the rubber plug of sap cavity one end setting is equipped with conducting Pipe, one end of the conduction pipe are stretched into the sap cavity, and the other end extends rubber plug and connects a conduit, and the other end of conduit is worn Go out shell connection water tank, the other end of conduit connects after have passed through the through-hole being arranged on the through-hole and shell being arranged on right section Water tank.After being connected to water tank with sap cavity by the conduit of setting, the timing moisturizing into sap cavity can be facilitated.Certainly, it is The conduit for being connected to water tank and shaft sap cavity is connected on the conduction pipe on rubber plug by convenience after replacing humidification portion, can be with It is the bellmouth of big end outwardly, the axle center of bellmouth that one end of conduit, which is fixed on right section of inner port and the end port of conduit, Coaxial with right section, correspondingly, the conduction pipe outer end on rubber plug is the taper surface of small end outwardly, is pressed in this way in the pipe that will be humidified When between left section and right section, just successfully the conduction pipe on rubber plug can be connected with the conduit for connecting water tank.Water tank can To connect compression pump, distilled water is pressed into the sap cavity of shaft by pressuring method.

In said program, by the tablet cavity being connected to annular chamber is arranged after humidification tube cavity setting annular chamber, purpose exists In increasing heat radiation area and the laying area of increase absorbent filter, ensure that humidification pipe has the case where smaller axial length Under, holding preferably heats, humidifying effect, and have the advantages that help ensure respiration machine volume compact.It especially can be with humidification Shaft and fan-shaped frame body in portion are adapted, to provide condition for the built-in water source of absorbent filter setting in optimization structure.If The structure of absorbent filter only is set in humidification inside pipe wall using after humidification tube cavity setting annular chamber, does not require nothing more than humidification pipe Should have sufficiently long axial length, and suck mixed gas contacted with absorbent filter after exchange heat, moisturization effect it is very poor.

The sealing effect of seam after alignment and guarantee three after being assembled for left section of guarantee, humidification pipe and right section assemble Fruit.Preferably, the left end of the humidification pipe and right section are respectively provided with conical surface counterbore, and the hole wall of the conical surface counterbore is equipped with fluid sealant Ring layer；Left section of the right end, right section of left end are equipped with and the matched taper anchor ring of the conical surface counterbore.

Further, the left end of the humidification pipe is equipped with cricoid end plate, and the centre bore of the end plate and humidification pipe are same Axis.

The outer diameter of the end plate is less than the internal diameter of the left section of right output port, links together in left section and humidification pipe pressing When, the end plate probes into described left section of right end tube chamber.The end plate is equipped with cavity and is connected to the annular chamber of the humidification pipe. The left side of the end plate is equipped with axially extending annular boss, the axis of the axial line of the annular boss and the humidification pipe Heart line overlaps.(left side) end face of the annular boss is equipped with the looping pit being connected to the cavity of the end plate, and the ring-type is convex The outside wall surface of platform is the taper surface of small end outwardly.Be fixed with heating pipe in left section of the tube chamber, the heating pipe with it is described Left section coaxial.The wall body of the heating pipe, which is equipped with, heats chamber, and the right end for heating chamber is equipped with annular via, described cyclic annular logical Hole is matched with the annular boss.When being integrated piping by left section, humidification pipe and right section of pressing, the end for the pipe left end setting that is humidified Annular boss on plate is extend into the annular via of the heating pipe right end setting.The bound site of annular boss and annular via The hole face of the outside wall surface and annular via that install sealing ring and/or annular boss is frosting matching way.At this point, humidification pipe Annular chamber be connected to form seal cavity with the chamber that heats of heating pipe.The heat transfer being sent by the communication port being arranged on annular chamber is situated between What matter can be filled with heating pipe heats chamber, to extend empty, heated passage on oxygen gas mixture transport path heat-exchange time, Help fully to heat the progress of heat exchange.

Under the structure provided with heating pipe, further, the shaft is equipped with axially extending sap cavity.The sap cavity both ends It is respectively provided with rubber plug, the rubber plug of right end setting is equipped with conduction pipe, and one end of the conduction pipe is stretched into the sap cavity, and the other end prolongs It stretches out rubber plug and connects a conduit, the other end of conduit is pierced by shell and is connect with external water tank.

Evaporation tube is additionally provided in the tube chamber of the heating pipe, the both ends of the evaporation tube are mounted by holder to be heated described It is in pipe and coaxial with heating pipe.The evaporation tube wall top be equipped with it is multiple distribute mouth, it is described to distribute evaporation tube described in opening's edge Axial distribution.The right end of the evaporation tube is equipped with puncture tube, the internal diameter for puncturing pipe outside diameter and being less than the evaporation tube.Left section, During humidification pipe and right section of pressing are integrated piping, the puncture tube free end can pass through the left end in the shaft sap cavity The rubber plug of setting is inserted into shaft sap cavity, and the outer wall of rubber plug and puncture tube can form elastic sealing structure.

Further, the inner end of the puncture tube is connected to L shape pipes, and the L shapes pipe is placed in the tube chamber of evaporation tube, L shape pipes Vertical section port downward.The tube chamber of the L shapes pipe vertical section is stepped hole and interior outer without leave and interior become smaller.The L shapes pipe is perpendicular The lower port of straight section tube chamber is equipped with floating ball, and the outer diameter of the floating ball is less than the internal diameter at the outermost end of L shape pipe vertical section tube chambers, greatly Internal diameter at the inner terminal of L shape pipe vertical section tube chambers.From it is lower and on, in the L shapes pipe vertical section lumen diameter just inferior to big It is less than the spherical transition face of joining place setting of float ball external diameter in float ball external diameter and lumen diameter, the outer wall of the floating ball can be with ball The contact matching of shape transition face.

Preferably, right section of the tube chamber from left and right be the taper cavity gradually tapered up.

The utility model has the beneficial effects that：The utility model is arranged in the sky of lung ventilator, oxygen blending transportation path It and tube chamber, can be in obtaining moisture in tube chamber, i.e., while empty, oxygen gas mixture flows through this section of tube chamber temperature and promoted behind end Interior moistening gas is sufficiently mixed, and while ensureing that gas temperature increases absolute humidity increase, relative humidity also can enough increase. The lung ventilator gas distribution channel is arranged behind empty, oxygen gas mixture transfer pipeline end, can effectively adjust in transfer pipeline absolutely The coordination of humidity and relative humidity changes, and makes two parameter values while increasing, and can especially significantly improve adjusting sky, oxygen gas mixture The ability of body relative humidity is promoted to being supplied to the sky of patient, oxygen gas mixture heats, humidification efficiency and effect.It avoids at present When the lung ventilator used is higher than humidification machine container heating temperature because of line temperature, because absolute humidity cannot with relative humidity in pipeline Coordinate variation, occur relative humidity reduce phenomenon, caused by patient's phlegm solidification, airway obstruction the problem of.

In the embodiment of the utility model, humidification pipe with pipe main body by detachably and can match in a manner of convenient installation It closes, the tablet cavity of the multiple radial radiations of setting in the tube chamber of heating pipe, the annular chamber and tablet cavity being arranged inside heating pipe Connection, and be passed through when in use isothermal liquid either constant temperature steam as heat-conducting medium isothermal liquid or constant temperature steam by outer If device constantly heats, i.e., the heat-conducting medium between peripheral device and annular chamber constantly carries out inner-outer circulation.Humidification portion is clamped Between the outer wall of tablet cavity, and matching is contacted between the outer wall of the inner wall of heating pipe and tablet cavity, so that in humidification portion Absorbent filter have fully big contact area with heating part in tube chamber.Its heated rear sucking of absorbent filter in humidification portion Distillation water evaporation, and make to be covered with high temperature and the gas of moistening in tube chamber, be mixed with when empty oxygen gas mixture flows through, simultaneously Completion heats and is humidified, and contributes to the tidal volume ability of regulation and control for promoting lung ventilator, that is, improves phase of the lung ventilator to sucking gas To the ability of regulation and control of humidity.It is promoted to being supplied to the sky of patient, oxygen gas mixture heats, humidification efficiency and effect.

In the embodiment of the utility model, compressed part is specifically set as to the bolt arrangement equipped with axially extending bore, Neng Goubao Card is humidified pipe when on pipe main body in dismounting, installation, the convenience of operation.The shaft in humidification portion is set as cavity structure, empty Intracavitary contains distilled water and by cotton thread by capillary transport principle, and moisture is distributed on absorbent filter, helps to reduce increasing The replacement frequency of wet end ensures convenient, laborsaving using process.Further the cavity of shaft is connected to external distilled water water tank Afterwards, moisture can be constantly conveyed from export-oriented shaft, can further extends the use in humidification portion often.

In the embodiment of the utility model, after the heating pipe of built-in evaporation tube is set, the humidification portion central shaft rod that matches it Sap cavity can be connected with evaporation tube, promote to heat tube cavity formation humidifying corridor, Neng Goubao after the water evaporation imported in evaporation tube The heating of the empty oxygen gas mixture of card, humidifying effect, the absorbent filter being arranged on the fan-shaped skeleton in humidification portion at this time can no longer be set Cotton thread is set by sap cavity interior suction water distribution to absorbent filter, i.e., evaporation tube or setting cotton thread being arranged on fan-shaped frame body in heating pipe Absorbent filter be continuing to supply the mode of moisture and can select a selection or use simultaneously, preferably select a use.Further, to keep away The water for exempting to feed in evaporation tube is overflowed by evaporation tube, and a L shape pipe, L shapes are connected in the left end of puncture tube in evaporation tube cavity The vertical pipe section inner cavity of pipe is set as the outer stepped hole of major diameter and matching one floating ball of setting, for blocking L shape pipe vertical pipe sections The top of stepped hole.

Description of the drawings

Fig. 1 is the assembling structure schematic diagram of the utility model embodiment one；

Fig. 2 is the separate structure schematic diagram of the utility model embodiment one；

Fig. 3 is the radial section structural schematic diagram of humidification pipe in the utility model embodiment one；

Fig. 4 is the axial section structural schematic diagram of humidification pipe in the utility model embodiment one；

Fig. 5 is the structural schematic diagram in humidification portion in the utility model；

Fig. 6 is the axial section structural schematic diagram in humidification portion in the utility model；

Fig. 7 is the assembling structure schematic diagram of the utility model embodiment two；

Fig. 8 is the structural schematic diagram of heating pipe and humidification pipe cooperation in the utility model embodiment two；

Fig. 9 is the left view structural representation of humidification pipe in the utility model embodiment two；

Figure 10 is the another form of structural schematic diagram that heating pipe is connect with left end in the utility model embodiment two；

Figure 11 advanced optimizes structural schematic diagram for the utility model embodiment two；

Figure 12 is the optimization structural schematic diagram again for Figure 11 structures.

In figure：

1 shell, 11 flanges, 12 installation openings, 2 pipe main bodies, 21 left sections, 22 right sections, 3 humidification pipes, 31 conical surface counterbores, 32 rings Shape chamber, 33 communication ports, 34 tablet cavitys, 35 end plates, 351 annular boss, 30 humidification portions, 301 fan-shaped frame bodies, 302 shafts, 303 Fixed spiro, 304 cushion rubbers, 305 sap cavities, 306 cotton threads, 4 compressed parts, 5 resetting springs, 6 heating pipes, 61 heat chamber, and 611 is cyclic annular logical Hole, 62 rib holes, 60 evaporation tubes, 601 puncture tubes, 602L shape pipes, 603 floating balls

Specific implementation mode

Structure, ratio, size depicted in Figure of description etc., only to coordinate the revealed content of specification, with Understand for those skilled in the art and read, is not limited to the enforceable qualifications of the utility model, therefore does not have skill Essential meaning in art, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the utility model institute Under the effect of capable of generating and the purpose that can reach, should all still fall can cover in the revealed technology contents of the utility model In range.Meanwhile cited such as "upper", "lower", "front", "rear", " centre " term in this specification, it is merely convenient to chat That states is illustrated, rather than to limit the enforceable range of the utility model, relativeness is altered or modified, without substantive change Under more technology contents, when being also considered as the enforceable scope of the utility model.

The saturation degree of water is raised with temperature in thermodynamics.Absolute humidity refer to water evaporation vapor how much, Temperature is higher, and absolute humidity is bigger.Relative humidity refers to then the degree that steam reaches saturation.After humidifier heating, saturation degree increases Add, since the increase absolute humidity of steam in container increases, relative humidity is such as intended to increase, and condition is that there must be certain water Source, relative humidity can just increase to close to saturation degree.Studies have shown that only relative humidity rather than absolute humidity acts as patient With.

The lung ventilator of double servo mode of heatings used at present needs the intraluminal temperature for controlling heater strip heating and steaming The difference between the temperature of device is sent out, the limit value requirement of pipe cavity temperature after heater strip heating is limited to, the temperature of evaporator is set It being scheduled in lower-magnitude, the moisture that can be carried when empty oxygen gas mixture flows through evaporator in this way is just opposite to be lacked, To improve the amount for the moisture that can be carried, just needs to increase evaporator temperature, increase evaporator temperature and just need to adjust heater strip The temperature of tube chamber is heated, and after increasing the temperature to certain value of heater strip heating tube chamber, it may appear that the solidification of patient's phlegm, airway obstruction The problem of, otherwise the temperature for heating tube chamber in heater strip is less than evaporator temperature, vapor can be formed in tube chamber, existed in this way The humidity of incoming call gas is lowered again in transmission process.

By analysis, when there is the pipe temperature state higher than vessel temp, the vapor of vessel in heating reaches pipe It is heated again behind road, absolute humidity does not become but relative humidity is since saturation degree raising can reduce, must in order to reach saturation degree Moisture must be filled into, the unfavorable phenomenons such as the solidification of patient's phlegm, airway obstruction otherwise can be caused.It is general when at present using double servo humidifiers Temperature in pipeline is adjusted to 36~37 DEG C, to avoid the occurrence of aforementioned phenomenon, the heating temperature in container will be less than temperature in pipeline, Will there is a problem of amount of wetness deficiency at this time.In order to overcome because lung ventilator absolute humidity with relative humidity variations are uncoordinated is drawn The problem of the problem of hair, especially regulation of relative humidity energy force difference, designs following scheme then.

A kind of lung ventilator gas distribution channel as shown in Figures 1 to 6 comprising shell 1, the pipeline master being arranged in shell 1 Body 2, humidification pipe 3 and the matched compressed part 4 of 2 left end of pipe main body and resetting spring 5.The pipe main body 2 includes left section 21 With right section 22, the humidification pipe 3 is arranged between left section 21 and right section 22, the left and right end face of the humidification pipe 3 with described left section 21, sealing ring is equipped between right section 22 of corresponding end surface.Pass through line between left section 21 of the outer wall and the inner wall of the shell 1 Type rail structure matches.It right section 22 inside that can be fixed on the shell 1 can also be as left section 21 with respect to shell 1 It is matched and is arranged by line style rail structure, in the embodiment explanation of this patent, be all based on right section 22 and be fixed on the shell 1 Internal structure.On left section 21 of the outer wall and the inner wall of the shell 1 is equipped with corresponding flange 11, the reset bullet Spring 5 is located between the flange 11 on the flange and the inner walls on left section of 21 outer walls, can push described left section 21 It is axial to away from right section 22 of direction movement along (left section 21).

As shown in Figure 1 and Figure 2, the position corresponding with left section 21 of the left end of the shell 1 is equipped with through-hole, the pressure Tight portion 4 is removably fixedly mounted on the through-hole.One end of the compressed part 4 extends to 1 inside of the shell simultaneously It withstands on left section 21 of the left side, is entirety by the humidification pipe 3 and described left section 21 and right section 22 pressing.Specifically, The compressed part 4 is the bolt equipped with axially extending bore.The through-hole of the position setting corresponding with left section 21 of left end of the shell 1 For threaded hole, bolt coordinates with threaded hole.When bolt is threaded into hole, bolt pusher slides straightly to the right for left section 21, most Humidification pipe 3 is squeezed between left section 21 and right section 22 eventually, and the tube chamber of humidification pipe 3 connect to be formed with the tube chamber of left section 21, right section 22 The entirety of sealing, resetting spring 5 are compressed, to left section 21 effect with pre- elastic force to the left.When bolt is back-outed threaded hole, reset Spring 5 pushes left section 21 to move linearly and detached with humidification pipe 3 to the left, can remove what the humidification replacement of pipe 3 was arranged thereon later Humidification portion 30 (referred to hereafter).The installation site of corresponding humidification pipe 3 is equipped with installation opening 12, the installation opening 12 on the shell 1 Axial length be more than it is described humidification pipe 3 axial length, radial width be more than it is described humidification pipe 3 outer diameter, installation opening 12 matching set There is rubber plug cover.

As shown in Figures 1 to 4, the humidification pipe 3 is internally provided with annular chamber 32, the axial direction of the annular chamber 32 with it is described The pipe 3 that is humidified is consistent.The wall body of the annular chamber 32 is equipped with multiple tablet cavitys 34 for radially radiating arrangement, multiple plate cavities Body 34 is uniformly distributed along the circumference setting.The inner cavity of the tablet cavity 34 is connected to the annular chamber 32.On the wall body of the humidification pipe 3 Equipped with multiple communication ports 33 for being connected to the annular chamber 32.It inputted into annular chamber 32 through the communication port 33, export heat conduction Jie Matter (such as water or vapor) is realized with the medium source of outside setting and is recycled.

It is equipped with humidification portion 30 in the inner cavity of the humidification pipe 3.

As shown in Figure 5, Figure 6, the humidification portion 30 includes shaft 302 and the multiple fans on shaft 302 that are uniformly distributed along the circumference Shape frame body 301.The scallop hole that the number of the sector frame body 301 is formed with the tablet cavity 34 interval corresponds (as schemed 3, it is six shown in Fig. 5).The outer wall of the sector frame body 301 is contacted with the wall surface of the tablet cavity 34.The sector The inner wall of frame body 301 is equipped with the absorbent filter soaked.

During use, shaft 302 is inserted into the hole that 34 inner end of tablet cavity surrounds, and fan-shaped frame body 301 is embedded in adjacent flat In the scallop hole that the interval of plate cavity 34 is formed, just humidification portion 30 has been fixed in the inner cavity of humidification pipe 3 in this way.It is solid if it is asking Fixed is firm, the opposite humidification pipe 3 in one end of shaft 302 can be made to extend axially outwardly out certain length, and match setting and fix The end face of loop coil 303, fixed spiro 303 towards fan-shaped frame body 301 is fixed with cushion rubber 304.

In the embodiment of the utility model, humidification pipe with pipe main body by detachably and can match in a manner of convenient installation It closes, the tablet cavity of the multiple radial radiations of setting in the tube chamber of heating pipe, the annular chamber and tablet cavity being arranged inside heating pipe Connection, and be passed through when in use isothermal liquid either constant temperature steam as heating source isothermal liquid or constant temperature steam by peripheral hardware Device constantly heats, i.e., is outer circulation relationship between peripheral device and annular chamber.Humidification portion is snap-fit at the outer wall of tablet cavity Between, and matching is contacted between the outer wall of the inner wall of heating pipe and tablet cavity, so that the absorbent filter in humidification portion is in tube chamber In with heating part have fully big contact area.The distillation water evaporation of its heated rear sucking of absorbent filter in humidification portion, and Make to be covered with high temperature and the gas of moistening in tube chamber, be mixed with when empty oxygen gas mixture flows through, be completed at the same time and heat and be humidified, And promoted while ensure that mixed gas temperature with relative humidity, absolute humidity, improve lung ventilator regulation and control sucking gas Humidity ability.

As preferred structure, as shown in fig. 6, the shaft 302 is equipped with axially extending sap cavity 305, the sap cavity 305 One end is closed, and the other end is equipped with rubber plug.The absorbent filter being arranged on each sector frame body inner wall has a plurality of (thin) cotton thread 306 (according to capillary water absorption principle, being constantly distributed on water on the paper of absorbent filter after cotton thread water suction), cotton thread 306 is along shaft 302 Axial stratification arrangement, each layer cotton thread 306 is fan-shaped around being formed, and the sap cavity 305 of the shaft 302 is stretched into the end of cotton thread 306 It is interior.The rubber plug of optimization, the setting of 305 one end of the sap cavity is equipped with conduction pipe, and the sap cavity 305 is stretched into one end of the conduction pipe In, the other end extends rubber plug and connects a conduit, and the other end of conduit is pierced by shell 1 and connects (distilled water) water tank (conduit The other end latter linked water tank of through-hole that have passed through the through-hole being arranged on right section 22 and be arranged on shell 1) pass through setting Conduit water source is connected to sap cavity 305 after, the timing moisturizing into sap cavity 305 can be facilitated.Certainly, increasing is being replaced for convenience After wet end 30, the conduit for being connected to water tank and 302 sap cavity 305 of shaft is connected on the conduction pipe on rubber plug, it can be by conduit One end be fixed on right section 22 of inner port and the end port of conduit is the bellmouth of big end outwardly, the axle center of bellmouth with it is right Section is coaxial, and correspondingly, the conduction pipe outer end on rubber plug is the taper surface of small end outwardly, is pressed on left section in the pipe that will be humidified in this way With right section between when, just can successfully by rubber plug conduction pipe with connect water source conduit connect.

As shown in Figures 1 to 4, the left end of the humidification pipe 3 and right end are respectively provided with a conical surface counterbore 31, the conical surface counterbore 31 hole wall is equipped with fluid sealant ring layer.Left section 21 of the right end, right section 22 of left end are equipped with and the conical surface counterbore 31 The taper anchor ring matched.It is such setting on the one hand can ensure left section 21, humidification pipe 3 and right section 22 assembling after alignment, separately On the one hand the sealing effect of seam after three assembles can be promoted.

As shown in Figure 7 to 10, the left end of the humidification pipe 3 is equipped with cricoid end plate 35, the centre bore of the end plate 35 It is coaxial with the tube chamber of the humidification pipe 3.The outer diameter of the end plate 35 be less than left section of 21 right output ports internal diameter, left section 21 with When the humidification pressing of pipe 3 links together, the end plate 35 probes into described left section 21 of right end tube chamber, preferably requires heating pipe 6 right The outer diameter at end is more than the through-hole internal diameter on the end plate 35, the lower outer diameter for being less than/being equal to end plate 35.

The end plate 35 is equipped with cavity and is connected to the annular chamber 32 of the humidification pipe 3.It is set on the left side of the end plate 35 There are annular boss 351, the axis of the annular boss 351 and the humidification pipe 3 coaxial.On the end face of the annular boss 351 It is connected to the cavity on the end plate 35 equipped with looping pit, the outside wall surface of the annular boss 351 is the taper surface of small end outwardly. Be fixed with heating pipe 6 in left section 21 of the tube chamber, the heating pipe 6 and described left section it is 21 coaxial.

As shown in Fig. 7 and Figure 10, Figure 11, the heating pipe 6 is fixed in left section 21 of inner cavity, and the heating pipe 6 in Fig. 7 is left The through-hole being arranged across left section of 21 left ends is held, supporting block is set on the outer wall of right end, and the peripheral surface of supporting block is can be with left section 21 inner cavity surface contacts matched cambered surface or supporting block is ring-type, and external screw thread is arranged on outer wall sets in left section of 21 right end cavity walls The internal thread set matches, under such configuration the position of left section relatively 21 right sides in 6 right side of heating pipe, by the rib hole 62 of setting It adjusts, when taking screw thread matching way, degree of regulation is easier to control；6 left end of heating pipe in Figure 10, Figure 11 passes through left section 21 The through-hole (6 energy opposing through-bores linear slide of heating pipe) of left end setting, and be relatively fixed in left section 21 of left side by nut, it is right It is matched with left section 21 of inner cavity surface again by the supporting block of setting on the outer wall at end, left section 21 relatively of 6 right side of heating pipe is right The position of end face has the advantages that laborsaving, precision is easy to control by nut adjustment.

As shown in Figure 7, Figure 8, the wall body of the heating pipe 6 is equipped with and heats chamber 61, and the right end for heating chamber 61 is equipped with Annular via 611, the annular via 611 are matched with the annular boss 351.It is not only described to ensure the leakproofness of docking The axial length of annular boss 351 is more than the axial length (axial length difference is in 1mm or so) of the annular via 611, and And the outer diameter of 351 outside wall surface lower end of annular boss is more than the internal diameter of 611 right output port of annular via.It is further to ensure annular boss 351 docked with annular via 611 after the sealing effect that is connected to, can be equipped in the outer wall and inner wall lower of annular boss 351 close Seal, and be correspondingly arranged in the outer diameter of annular via 611 and internal diameter periphery and set with 351 outer wall of annular boss and inner wall lower The cyclic annular counterbore that the sealing ring set matches, in this way after heating pipe 6 is docked and connected with humidification pipe 3, sealing ring is right in the two Just reliable sealing structure is formed at contact surface.

With technical characteristic：Shaft 302 is equipped with axially extending sap cavity 305, and sap cavity 305 is connected to external water source, increases The left end and right end of wet pipe 3 respectively set conical surface counterbore 31, are set on 6 wall body of heating pipe under the premise of heating chamber 61, can also add as Lower technology contents；

As shown in Figure 11, Figure 12, evaporation tube 60 is equipped in the tube chamber of the heating pipe 6, the both ends of the evaporation tube 60 are logical Cross X-shaped or criss-cross holder mount it is in the heating pipe 6 and coaxial with heating pipe 6.The tube wall top of the evaporation tube 60 Mouth is distributed equipped with multiple, the axial direction for distributing evaporation tube 60 described in opening's edge is distributed as a row or two row.The evaporation tube 60 Right end be equipped with puncture tube 601, the outer diameter of the puncture tube 601 is less than the internal diameter of the evaporation tube 60, and (it is the latter's value that the former, which is worth, 1/3 to 1/5), axial direction and the axis of evaporation tube 60 of puncture tube 601 can overlap unanimously, also can relative evaporation pipe 60 axis It offsets up.The rubber plug that 601 free end of the puncture tube can pass through the left end in 302 sap cavity 305 of the shaft to be arranged is inserted into axis (right side of left section 21 relatively of 601 free end end face of puncture tube is concordant or left section 21 relatively of right end in 302 sap cavity 305 of bar Extend 0.8mm to 2.5mm towards the right side).Under such structure, distillation is sent into evaporation tube 60 by the sap cavity 305 of shaft 302 Water, the amount of distilled water held in evaporation tube 305 do not exceed the lower-most edge for distributing mouth being arranged on its wall body, to avoid overflowing Go out.

Evaporation tube 60 is arranged in the inside of heating pipe 6, and the raising of 6 tube chamber temperature of heating pipe can promote in evaporation tube 60 Distill water evaporation so that the wet road corridor of segment dislocation of heating pipe 6 ensures adequately to mix with sucking gas, fully heats, is wet Change.It, can be with superimposing technique content under above-mentioned improved structure：The absorbent filter being arranged on 301 inner wall of corresponding each fan-shaped frame body, point It is not laid with a plurality of cotton thread 306, cotton thread 306 arranges that each layer cotton thread 306 is around shape along the axial stratification of 30 shaft 302 of humidification portion At sector, the end of cotton thread 306 is stretched into the sap cavity 305 of the shaft 302.Also it can be only remained on fan-shaped frame body inner wall and be arranged Absorbent filter part, without the moisture in sap cavity is dissipated on absorbent filter by cotton thread.

To realize the auto-control for conveying water into evaporation tube 60, L shapes pipe 602 is provided in the tube chamber of evaporation tube 60 With floating ball 603.As shown in figure 12, the inner end of the puncture tube 601 is connected to L shapes pipe 602, and the L shapes pipe 602 is placed in evaporation tube In 60 tube chamber, the vertical section port of L shapes pipe 602 is downward.The tube chamber of 602 vertical section of L shapes pipe is two stepped holes and internal diameter From outer and interior become smaller.The lower port of the 602 vertical section tube chamber of L shapes pipe is equipped with the floating ball 603, the outer diameter of the floating ball 603 Less than the internal diameter at 602 vertical section tube chamber outer end of L shapes pipe, the internal diameter being more than at 602 vertical section tube chamber inner end of L shapes pipe.In the L 602 vertical section tube chamber of shape pipe changes the spherical transition face of joining place setting, and the outer wall of the floating ball 603 can connect with spherical transition face Touch matching (as shown in Figure 12 right side views).With the raising of water level in evaporation tube 60, floating ball 603 can float to gradual, work as water Floating ball 603 floats to the spherical transition face position of 602 vertical section tube chamber of L shapes pipe after position reaches a certain amount of, by spherical transition face position The pipeline set blocks.

It is fully heated to ensure to suck gas in pipeline, the fluid ability after humidifying, certainly by right section 22 of the tube chamber Left and right is the taper cavity gradually tapered up.

The above embodiment is only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited Type.The utility model can be improved there are many more aspect under the premise of without prejudice to overall thought, for being familiar with this technology Personage can all be carried out modifications and changes to above-described embodiment under the spirit and scope without prejudice to the utility model.Therefore, Such as those of ordinary skill in the art is in the revealed spirit without departing from the utility model and institute under technological thought All equivalent modifications completed or change, should be covered by the claim of the utility model.

Claims

1. lung ventilator gas distribution channel, it is characterised in that including shell, the pipe main body being located in shell, humidification pipe and pipeline master The matched compressed part of body left end and resetting spring；The pipe main body includes left section and right section, and humidification pipe is located at left section and the right side Between section, sealing ring is equipped between the left and right end face for the pipe that is humidified and left section described, right section of corresponding end surface；

It is matched by line style rail structure between left section of the outer wall and the inner wall of the shell；On left section of the outer wall and The inner wall of the shell is equipped with corresponding flange, and the resetting spring is located at flange and the shell on the left section of outer wall Between flange on inner wall；

Shell position corresponding with left section of the left end is equipped with through-hole, and the compressed part is removably fixed to pacify On the through-hole；One end of the compressed part extends to the enclosure interior and withstands on left section of the left side, will The humidification pipe is whole with described left section and right section pressing；

The installation site of corresponding humidification pipe is equipped with installation opening on the shell；

The humidification pipe is internally provided with annular chamber, and the axial direction of the annular chamber is consistent with humidification pipe；The annular chamber Wall body is equipped with multiple tablet cavitys for radially radiating arrangement, and multiple tablet cavitys are uniformly distributed along the circumference setting；The plate cavity The inner cavity of body is connected to the annular chamber；The wall body of the humidification pipe is equipped with the communication port of multiple connection annular chambers；

It is equipped with humidification portion in the inner cavity of the humidification pipe；The humidification portion includes shaft and is uniformly distributed along the circumference multiple on shaft Fan-shaped frame body；The number of the sector frame body is corresponded with the scallop hole that tablet cavity interval is formed；The sector frame The outer wall of body is contacted with the wall surface of the tablet cavity；The inner wall of the sector frame body is equipped with the absorbent filter soaked.

2. lung ventilator gas distribution channel according to claim 1, it is characterised in that：The shaft is equipped with axially extending liquid Chamber；The absorbent filter being arranged on corresponding each fan-shaped frame body inner wall is laid with a plurality of cotton thread, axial direction point of the cotton thread along humidification pipe respectively Layer arrangement, each layer cotton thread around sector is formed, stretch into the sap cavity of the shaft by the end of cotton thread.

3. lung ventilator gas distribution channel according to claim 2, it is characterised in that：Rubber plug, rubber plug is arranged in described sap cavity one end It is equipped with conduction pipe, one end of the conduction pipe is stretched into the sap cavity, and the other end extends rubber plug and connects a conduit, conduit The other end be pierced by shell and connect with external water tank.

4. lung ventilator gas distribution channel according to claim 1, it is characterised in that：The left end and right end of the humidification pipe are respectively set There are conical surface counterbore, the hole wall of the conical surface counterbore to be equipped with fluid sealant ring layer；Left section of the right end, right section of left end be equipped with The matched taper anchor ring of conical surface counterbore.

5. lung ventilator gas distribution channel according to claim 4, it is characterised in that：The left end of the humidification pipe is equipped with cricoid End plate, the centre bore of the end plate are managed coaxial with the humidification；The annular chamber that the end plate is equipped with cavity and the humidification pipe connects It is logical；The left side of the end plate is equipped with annular boss, and the axis of the annular boss is managed coaxial with the humidification；The ring-type Boss is connected to equipped with looping pit with the cavity of the end plate, and the outside wall surface of the annular boss is the taper surface of small end outwardly；Institute State and be fixed with heating pipe in left section of tube chamber, the heating pipe and described left section it is coaxial；The wall body of the heating pipe is equipped with Chamber is heated, the right end for heating chamber is equipped with annular via, and the annular via is matched with the annular boss.

6. lung ventilator gas distribution channel according to claim 5, it is characterised in that：The shaft is equipped with axially extending liquid Chamber, sap cavity both ends are all provided with rubber plug, and the rubber plug of right end setting is equipped with conduction pipe, and the sap cavity is stretched into one end of the conduction pipe In, the other end extends rubber plug and connects a conduit, and the other end of conduit is pierced by shell and is connect with external water tank；

Evaporation tube is equipped in the tube chamber of the heating pipe, the both ends of the evaporation tube are mounted in the heating pipe simultaneously by holder It is coaxial with heating pipe；The evaporation tube wall top distributes mouth, the axial direction for distributing evaporation tube described in opening's edge point equipped with multiple The right end of cloth, the evaporation tube is equipped with puncture tube, the internal diameter for puncturing pipe outside diameter and being less than the evaporation tube；The puncture tube is certainly The rubber plug that the left end in the shaft sap cavity can be passed through to be arranged by end is inserted into shaft sap cavity.

7. lung ventilator gas distribution channel according to claim 6, it is characterised in that：The inner end of the puncture tube and L shapes Guan Lian Logical, the L shapes pipe is placed in the tube chamber of evaporation tube, and the vertical section port of L shape pipes is downward；The tube chamber of the L shapes pipe vertical section is Stepped hole and interior outer without leave and interior become smaller；The lower port of the L shapes pipe vertical section tube chamber is equipped with floating ball, and the outer diameter of the floating ball is small Internal diameter at the outermost end of L shape pipe vertical section tube chambers, the internal diameter being more than at the inner terminal of L shape pipe vertical section tube chambers；From lower and On, in the L shapes pipe vertical section lumen diameter just inferior to the joining place for being less than float ball external diameter with lumen diameter more than float ball external diameter The spherical transition face of setting, the outer wall of the floating ball can contact matching with spherical transition face.