CN103203061A - Novel oxygen humidifying device - Google Patents
Novel oxygen humidifying device Download PDFInfo
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- CN103203061A CN103203061A CN2013100836803A CN201310083680A CN103203061A CN 103203061 A CN103203061 A CN 103203061A CN 2013100836803 A CN2013100836803 A CN 2013100836803A CN 201310083680 A CN201310083680 A CN 201310083680A CN 103203061 A CN103203061 A CN 103203061A
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Abstract
The invention relates to a novel oxygen humidifying device which is used in clinical oxygen therapy. The novel oxygen humidifying device mainly comprises a humidifying object (1), a humidifying object container (2), a pressurizing jet device (3), an air flow blocking plate (4), an oxygen inlet (5), an oxygen outlet (6), a sealing plug (7), solid water absorbing materials (8), an oxygen filtering device (9), a liquid level float (10) and a heat transfer window (11). When the novel oxygen humidifying device is used, bubble noise is avoided, the volume of the humidifying object container can be greatly decreased, and manufacturing expenses are saved. The liquid level float (10) can be arranged on the surface of the humidifying object (1), the residual quantity of the humidifying object (1) is easily observed by nursing staff, humidifying liquid is heated by the heat transfer window when the novel oxygen humidifying device is used in winter, and oxygen absorption comfort is improved.
Description
Affiliated technical field
A kind of novel oxygen humidifying device that uses when the present invention relates to clinical oxygen therapy belongs to the medical apparatus and instruments category that hospital clinical uses.
Background technology
Oxygen therapy is one of the most frequently used rescue of hospital or treatment means, because the humidity of oxygen itself is very low, long-time oxygen uptake meeting causes dry and cracked hemorrhage, the sputum of patient respiratory road drying, nasal mucosa to be difficult for adverse consequencess such as expectoration, generally wants to carry out humidifying to oxygen earlier when therefore carrying out oxygen inhalation therapy clinically and handles.The widely used oxygen humidification method of hospital is that humidification fluid (being generally aquesterilisa or distilled water) is filled in the humidifying cup (bottle) of oxygen inhalation apparatus at present, by the inner core of humidifying cup (bottle) oxygen is overflowed by back below the humidification fluid liquid level then and make it to be able to humidifying, enter at last in the patient respiratory road.Find that by a large amount of clinical observations mainly there is following defective in existing humidifying method:
1, oxygen enters the following back of humidification fluid liquid level effusion liquid level fast, and the holdup time of oxygen in the humidifying thing is extremely short, and oxygen bubble is big and can't disperse, the unit contact area of oxygen and humidification fluid seldom, so the humidifying effect is unsatisfactory.
The water vapor bubbles noise that produces when 2, oxygen enters humidification fluid brings discomfort for a lot of patients, and critical patient, patients with heart failure and the neurastheniac of the rest that particularly needs peace and quiet is particularly responsive.
The inventor once proposed " a kind of noiseless oxygen humidifying device (ZL200820177959.2) " technical scheme, produced the problem of water vapor bubbles noise when efficiently solving oxygen inhalation wet.But find in practice simultaneously, because each different oxygen uptake patient has lack of uniformity (usually between 1～8L/min) to oxygen flow, this technical scheme when the low discharge oxygen supply that is lower than 3L/min during with the high flow capacity oxygen supply that is higher than 5L/min since the different humidity that cause of current rate of input oxygen generation differ greatly; And when the humidification fluid liquid level continued to descend, the oxygen humidification effect weakened, and the oxygen humidity of humidification device output also decreases.
For this reason, the inventor proposes a kind of novel oxygen humidifying device, belongs to a kind of technical spirit improvement project of novel noiseless oxygen humidifying device, effectively solves the oxygen humidification effect attenuation problem of generation when the low discharge oxygen uptake reduces with the humidifying thing.
Summary of the invention
The technical scheme principal character that the present invention proposes is:
1, a supercharging mjector is set in the humidifying container, when the low discharge oxygen supply, can will enter the oxygen of humidifying container by the supercharging of caliber reducing mode, be injected into humidifying thing surface at supercharging mjector boundling then, form the boundling air blast and impact humidifying thing surface, destroy humidifying thing surface water molecule tension force, make that humidifying thing liquid level causes that liquid level splashes, the liquid-gas two-phase flow of the complexity of various different shapes such as discontinuous liquid level and free surface significantly rock, thereby reach good oxygen humidification effect.And can solid-state water storage material be set in effective jeting area of supercharging mjector correspondence, its objective is the constant distance that keeps supercharging mjector and the injected surface of humidifying thing, when humidifying thing liquid level descends, still can make oxygen humidity keep stable and consistent.Simultaneously can be on ZL200820177959.2 technical scheme basis, on the air-flow baffler, increase various fluctuatings such as sags and crests or wave, staged to greatest extent, increase collision and the mixing of oxygen humidification air-flow in humidifying container space, prolong to greatest extent distance that Oxygen Flow crosses and flow time, increase oxygen and humidifying thing the unit contact area, prolong oxygen in the time of contact on humidifying thing surface, thereby improve the humidifying effect of oxygen.Simultaneously can also in the humidifying container, set up the oxygen filtering device, prevent that the excessive or humidifying thing of humidifying from entering in the oxygen uptake pipeline.
The present invention is achieved in that the present invention mainly is made up of humidifying thing, humidifying container, supercharging mjector, oxygen filtering device, air-flow baffler, oxygen input port, oxygen delivery outlet, sealing-plug, solid-state water storage material, liquid level buoy, wherein:
Described humidifying thing can be that various mixed solutions, aqueous polymer and the aqueous carrier etc. that compatibilities such as water, water and antibiotic substance are formed can evaporate the innocuous substances such as any liquid state, hydrogel or fruit jelly shape that discharge moisture.
Described humidifying container preferably adopts transparent or semitransparent medical material to make, the Any shape container that being shaped as of humidifying container can be held the humidifying thing (comprise bottle, box, bucket and irregularly shaped etc.), the humidifying thing is enclosed in the humidifying container; The humidifying container is provided with oxygen input port, oxygen delivery outlet, and is respectively equipped with sealing-plug and can carries out closure or unlatching.Described oxygen input port refers to the communications ports for oxygen source and humidifying container; The oxygen delivery outlet is the port that is communicated with oxygen-absorbing materials such as various Oxygen tubes, nose conduit, oxygen absorption masks for the humidifying container.The humidifying container is assembled after can adopting container casing main part and seal cover material to be formed separately, the mode of combining closely prepares, and also can adopt and adopt behind the humidifying container injection molded sealed bottom mode to prepare, but be not limited to above preparation method.
Adopt in the humidifying container air-flow baffler that humidifying container inner space is partitioned into one or more curved pathway, the path starting point that is split to form (the oxygen input port begins to calculate) and terminal point (oxygen delivery outlet by) always more good by way of more long humidifying effect.Described air baffle refers to humidifying container space to be separated into curved pathway and makes oxygen according to the non-toxic material of setting the mobile Any shape of curved pathway, preferred version is to adopt the surface that irregular concavo-convex thin slice is arranged, make Oxygen Flow in process, be collided at the irregular convex-concave surface of air-flow baffler, block the humidifying better effects if by humidify oxygen gas.The air-flow baffler can be shaped with the disposable injection moulding of humidifying container or plastic uptake, also can adopt sponge, PVC sheet material with pressing, variety of way secondary such as bonding or fixing shaping the repeatedly.
Be provided with the supercharging mjector in the humidifying container, the supercharging mjector is positioned at the superjacent air space on humidifying thing surface.The afterbody port of supercharging mjector is communicated with the oxygen input port, the nozzle of the front end of supercharging mjector is positioned at the humidifying container, the nozzle inside diameter (R2) that the pipeline internal diameter (R1) that forms or form separately and front end are united in the afterbody port of supercharging mjector and the oxygen input port of connection is descending realization reducing progressively, and the reducing ratio of R1 and R2 is at least greater than 1.Preferred version is that the reducing ratio of the oxygen input port of the afterbody port of supercharging mjector and the connection nozzle inside diameter (R2) of uniting the pipeline internal diameter (R1) that forms or form separately and front end is between 3: 1～8: 1 scopes.The nozzle of supercharging mjector front end can be with arbitrarily angled facing to humidifying thing surface, and maintains spacing more than the 1mm at least with humidifying thing surface.Preferred version is, the supercharging mjector be positioned at humidifying thing surface directly over, supercharging mjector and humidifying thing Surface Vertical layout, supercharging mjector and humidifying thing surface maintain the spacing of 5mm～8mm.
The humidifying thing reduces or the humidification fluid liquid level descends and cause supercharging mjector and humidifying thing surface distance constantly to increase in the use, it is unbalanced to influence humidifying effect or humidity, the technical program can also be provided with solid-state water storage material in the humidifying thing, solid-state water storage material can be any nontoxic material made such as bibulous sponge, absorbent cotton, chemical fibre, the suction water storage material of arbitrary shape.Solid-state water storage material is positioned at the regional territory at any angle of humidifying container internal pressurization mjector below, solid-state water storage material has at least a point/face to be communicated with the humidifying thing and can make moisture continue the unimpeded solid-state water storage material surface that enters, and has at least a point/face to be positioned at effective jeting area of supercharging mjector simultaneously.The injected surface of solid-state water storage material and supercharging mjector maintain the above spacing of 1mm at least.Preferred version is, the injected surface of solid-state water storage material be positioned at the supercharging mjector under, the injected surface of solid-state water storage material and the vertical layout of supercharging mjector, the injected surface of solid-state water storage material and supercharging mjector maintain the spacing of 5mm～8mm, and are not less than 2cm at the effective surface area on a surface of the solid-state water storage material of jeting area
2The meaning that solid-state water storage material is set is that the humidifying thing reduces the solid-state water storage material in back and can in time will cause effective jeting area surface (being injected surface) of supercharging mjector in the siphon of humidifying thing, make the injected surface of supercharging mjector and solid-state water storage material keep constant space, thereby oxygen humidity can not reduced or the decline of humidification fluid liquid level and generation fluctuation because of the humidifying thing, influence the humidifying effect.
Misoperation causes that the moment oxygen jet of supercharging mjector is excessive, the humidifying container is installed and tilted to cause under the situations such as supercharging mjector and the hypotelorism of humidifying thing during nurse's turn-on flow rate, the humidifying thing forms water smoke easily under the oxygen quick-blow, not only cause easily the risk that hydrops brings out the water of choking in patient's oxygen uptake process in the oxygen output tube road because humidifying is excessive, and when oxygen flow is excessive, also directly the humidifying thing is poured the oxygen output tube road easily and increase the choke risk of water of patient.Therefore, can also be in the jeting area and any path between the oxygen delivery outlet of supercharging mjector, at least be provided with 1 oxygen filtering device, it mainly acts on, and to be the humidify oxygen gas that only allows gaseous state pass through by, screening filtering liquid, that is to say when the excessive formation water smoke of humidifying and the little water droplet in the mist flow can be intercepted, absorb, get back in the humidifying thing after will excess water filtering, and only make oxygen behind the humidification be able to by; Simultaneously when oxygen flow is excessive, play obstruct, absorption, filtration, can prevent from directly the humidifying thing being poured and bring out patient's water risk of choking in the oxygen output tube road.Described oxygen filtering device adopts can venting capability good and can effectively block in various (or suction) materials of breathing freely, block water such as the filter membrane that blocks water that current, the globule, spray water pass through, high-density sponge, micropore fibers material one or more and make, and the shape size of oxygen filtering device is not limit.Preferred version is, adopt nontoxic high-density sponge to prepare 2 lamellar oxygen filtering devices, in first path that the air-flow baffler of the rear area of the effective jeting area of supercharging mjector is split to form, 1 lamellar oxygen filtering device is set, simultaneously between last path that the air-flow baffler is split to form and oxygen delivery outlet, 1 lamellar oxygen filtering device is set; Lamellar oxygen filtering device is fixed on 2 air-flow bafflers and cuts apart in the oxygen path of formation, oxygen filtering device upper end and humidifying container top close proximity, the left and right sides of oxygen filtering device respectively with the inwall close proximity of air baffle or humidifying box container.
Owing to do not have oxygen to enter the blister that produces behind the humidifying thing during the clinical use of the present invention, therefore humidifying thing liquid level nursing staff is not easy to observe, therefore in the viewing area of humidifying thing liquid level, can also be provided with one or more liquid level buoys, the liquid level buoy floats on humidifying thing surface, and can descend freely or rise along with humidifying thing level change follows closely, the nursing staff observes the liquid level float cursor position can easily obtain humidifying thing surplus information.Described liquid level buoy can adopt proportion to make less than any non-toxic material of humidifying thing, red or the yellow bead that preferably adopts food stage or medical grade polyurathamc to make, about bead diameter 5mm, it arranges the position is that the transparent visual air-flow baffler in humidifying container front is cut apart in the oxygen path of formation, and the liquid level buoy can descend freely or rise along with humidifying thing level change follow closely.
In the winter time during oxygen uptake, because the humidifying thing leads out the initial temperature that enters behind the ward lower from storehouse, cold wet Oxygen Flow enters respiratory tract and causes patient's discomfort easily, sneeze can occur, zest is choked and coughed even spasm, and neonate, infant can be got rid of gas even suffocate.After Many researchers thinks that oxygen is heated, can increase the diffusing capacity of oxygen molecule, improve the oxygen therapy effect, increase patient's comfort.More domestic technical staff propose some and adopt modes such as heating wire, the active heating of electrothermal film to solve the low shortcoming of humidification fluid initial temperature in winter, but because this scheme manufacturing cost height is not suitable for the manufacturing of Dispoable medical apparatus.Humidifying container of the present invention research and development main purpose provides disposable novel oxygen humidifying device, so the present invention do not adopt the heater technology that carries, and adopts external heat source (as boiled water) to transmit the mode of heating preparation.But owing to conventional material heat conductivities such as the polrvinyl chloride that is used for the preparation of humidifying container, polypropylene are relatively poor, it is undesirable that external heat source transmits the mode of heating effect.So the present invention adopts humidifying container bottom or the side is provided with the conduction of heat sheet material or the thin film mode prepares, briefly, the humidifying container has at least a face to be provided with hot pass-through box, and hot pass-through box is positioned at that a face of humidifying container can directly be removed with the humidifying thing, the another one face is positioned at the humidifying container outside.Described hot pass-through box can adopt various nontoxic metal sheets such as heat-conductive characteristic, stability, aluminium alloy that seal is good, tinfoil paper, aluminum-plastic composite membrane or macromolecule membrane (as PP film etc.), and one or more are made.Hot pass-through box can be arranged at any one face of humidifying container, and preferably hot pass-through box is positioned at the bottom of humidifying container, adopts aluminum-plastic composite membrane and humidifying container bottom to carry out airtight involution.The beneficial effect that hot pass-through box is set at the humidifying container is, during the winter oxygen uptake, can earlier the humidifying container be inserted in boiled water or other thermals source, heat source temperature is conducted to rapidly in the humidifying thing by hot pass-through box, easily heat the humidifying thing, cold wet gas current causes patient's discomfort when avoiding oxygen uptake.
The invention has the advantages that changing oxygen enters this traditional " entry humidifying method " of humidifying thing, strong jet injection in humidifying thing set of surfaces after the supercharging of employing oxygen, it is stable and reach the oxygen humidification effect to destroy humidifying thing surface water molecule, and circuitous circulation method makes oxygen obtain further effectively humidifying and humidity mix homogeneously for a long time, can avoid producing simultaneously the water vapor bubbles noise.And humidifying thing liquid level top must guarantee to leave 1/3rd above headspaces in the humidifying container, prevent that the humidifying thing from overflowing, and adopt the oxygen filtering device to prevent that the humidifying thing from entering the oxygen output tube road technique, can make the top of oxygen humidifying device prevent that the space that the humidifying thing overflows from significantly reducing, thereby can reduce humidifying container container volume significantly, save manufacturing expense.The present invention can also arrange the liquid level buoy on humidifying thing surface, and the nursing staff observes humidifying thing surplus easily.The technology of the present invention is controlled, and production cost is low, can be used as disposable oxygen uptake instrumentation, is fit to clinical extensive popularization.
Description of drawings
Fig. 1 is basic structure sketch map of the present invention
Fig. 2 is the product structure figure that is provided with solid-state absorbent material of the present invention
Fig. 3 is the product structure figure that is provided with solid-state absorbent material and oxygen filtering device of the present invention
Fig. 4 is that the present invention is provided with solid-state absorbent material, oxygen filtering device, liquid level float target product structure figure
Fig. 5 is the product structure figure that the present invention is provided with solid-state absorbent material, oxygen filtering device, liquid level buoy, hot pass-through box
Fig. 6 is the upward view that the hot pass-through box of the present invention is positioned at humidifying container bottom
Fig. 7 is supercharging mjector (3) the partial structurtes view among Fig. 1 of the present invention
Shown in the figure: humidifying thing (1), humidifying container (2), supercharging mjector (3), air-flow baffler (4), oxygen input port (5), oxygen delivery outlet (6), sealing-plug (7), solid-state absorbent material (8), oxygen filtering device (9), liquid level buoy (10), hot pass-through box (11)
The specific embodiment
Specifically describe the present invention below in conjunction with drawings and Examples.
Embodiment 1: prepare the present invention according to structure shown in the accompanying drawing 1.
Concrete specification requirement is as follows:
1, as accompanying drawing 1 requirement, leave the injection mould of rectangular-shaped humidifying container (2) housing, the bottom of humidifying container (2) housing is open.5 parallel air-flow bafflers (4) that are interspersed are arranged in humidifying container (2) housing, make the oxygen path of a serpentine alternating bending of (2) formation in the humidifying container.Humidifying container (2) housing wall thickness 1.5mm, air-flow baffler (4) thickness 0.9mm, the long 100mm of humidifying container (2), wide 60mm, high 40mm.Humidifying container (2) enclosure interior is provided with supercharging mjector (3), and outer surface is provided with oxygen input port (5), oxygen delivery outlet (6).
2, select the disposable injection molded humidifying of medical polyvinyl material container (2) housing, supercharging mjector (3), oxygen input port (5), oxygen delivery outlet (6) for use.
3, adopting thickness is that the polychlorovinyl sheet material of 1mm is partitioned into area and humidifying container (2) housing bottom rectangle thin slice of the same size, with Ketohexamethylene as binding agent, it is bonding to cut apart good polrvinyl chloride thin slice and humidifying container (2) housing bottom, makes it airtight and do not leak under 0.35Mpa pressure; Require the humidifying container (2) of bonding shaping indeformable under the pressure state of normal oxygen therapy flow, do not leak, do not break.
4, adopt oxygen input port (5) or oxygen delivery outlet (6) as humidifying thing filling exit, at humidifying container (2) the 150ml water for injection of packing into, with sealing-plug (7) oxygen input port (5) or oxygen delivery outlet (6) are compressed closure.
5, sterilization is preserved.
6, during oxygen therapy, open respectively oxygen input port (5) and connect source of the gas, open oxygen delivery outlet (6) and be communicated with oxygen catheter and just can use.
Embodiment 2: prepare 1000 covers according to structure shown in the accompanying drawing 5 according to big manufacturing technique requirent
Concrete specification requirement is as follows:
1, as accompanying drawing 5 requirements, leave the injection mould of rectangular-shaped humidifying container (2) housing, the bottom of humidifying container (2) housing is open.5 parallel air-flow bafflers (4) that are interspersed are arranged in humidifying container (2) housing, make the oxygen path that forms a serpentine alternating bending in the humidifying container.The wall thickness 1.5mm of humidifying container (2) housing, air-flow baffler (4) thickness 0.9mm, long 120mm, wide 80mm, the high 30mm of humidifying container (2) housing.The inside of humidifying container (2) housing is provided with supercharging mjector (3), and outer surface is provided with oxygen input port (5), oxygen delivery outlet (6).
2, select the disposable injection molded humidifying of polypropylene for medical article material container (2) housing, supercharging mjector (3), oxygen input port (5), oxygen delivery outlet (6) for use; Adopt yellow polyurethane foam forming liquid marker buoy (10).
3, oxygen input port (5), oxygen delivery outlet (6) compress respectively with sealing-plug (7), and it is not airtightly leaked.
4, as shown in Figure 5, the solid-state absorbent material (8) that polyurethane sponge is made be fixed on supercharging mjector (3) under, and make both keep the 8mm spacing.
5, as shown in Figure 5, oxygen filtering device (9) is fixed in the final stage oxygen path at oxygen delivery outlet (6) place, and the top close proximity, oxygen filtering device (9) left and right sides that make the upper end of oxygen filtering device (9) and humidifying container (2) respectively with the inwall close proximity of air baffle or humidifying box container.
6, preparation 200L aquesterilisa adds 1 gram antibacterial epsilon-polylysine, is mixed with humidifying thing (1), and is standby.
7, the whole bottom-up placements of humidifying container (2) housing that above-mentioned 1～5 step preparation is finished, put into conveyer belt, be transported in the clean fill interval, adopt automatic liquid filling machine that humidifying thing (1) is packed in the humidifying container (2), loading amount is every 200ml.
8, as shown in Figure 5 liquid level buoy (10) is put into the positive oxygen path of humidifying container (2).
9, getting thickness is that 10, width are 120mm aluminum-plastic composite membrane (PET/ aluminize a CPP) volume, adopts the ultrasound wave laminating machine bottom involution that humidifying container (2) housing is open, checks seal.
10, the product examination seal that above-mentioned 1～5 step preparation is finished,, liquid level buoy (10) position, qualified back packing, product is through the gamma-radiation irradiation sterilization, and the check microbiological indicator is qualified.
11, during oxygen therapy, open respectively oxygen input port (5) and connect source of the gas, open oxygen delivery outlet (6) and be communicated with oxygen catheter and just can use.Can earlier under air-tight state insert humidifying container (2) 80 ℃ or more in boiled water heating about 5-10 minute back use when using winter.
Above-mentioned drawings and Examples only are used for explanation the present invention, and protection scope of the present invention is not constituted any limitation.
Claims (10)
1. a novel oxygen humidifying device mainly is made up of humidifying thing (1), humidifying container (2), supercharging mjector (3), air-flow baffler (4), oxygen input port (5), oxygen delivery outlet (6), sealing-plug (7), wherein:
Described humidifying thing (1) is enclosed in the humidifying container (2);
Described humidifying container (2) is provided with oxygen input port (5), oxygen delivery outlet (6), and is respectively equipped with sealing-plug (7) and carries out closure or unlatching;
Adopt air-flow baffler (4) the inner space lattice to be become the oxygen path of one or more bending in the described humidifying container (2);
Be provided with supercharging mjector (3) in the described humidifying container (2), the afterbody port (3-1) of supercharging mjector (3) is communicated with oxygen input port (5), the nozzle (3-2) of supercharging mjector (3) is positioned at the top position of humidifying container (2) humidifying thing (1), and the nozzle (3-2) of supercharging mjector (3) maintains the above spacing of 1mm at least with humidifying thing (1) surface.
2. novel oxygen humidifying device, be further characterized in that: a supercharging mjector (3) is set in humidifying container (2), to enter the oxygen of humidifying container (2) by supercharging mjector (3) supercharging, make the oxygen boundling be injected into humidifying thing (1) surface, form the boundling air blast and impact humidifying thing (1) surface, destroy humidifying thing (1) surface water molecule tension force, make humidifying thing (1) surface cause that liquid level splashes, discontinuous liquid level and free surface such as significantly rock at the liquid-gas two-phase flow of the complexity of various different shapes, thereby reach good oxygen humidification effect.
3. novel oxygen humidifying device, be further characterized in that: nozzle (3-2) internal diameter (R2) that the pipeline internal diameter (R1) that forms or form separately and front end are united in the afterbody port (3-1) of supercharging mjector (3) and the oxygen input port (5) that is communicated with is descending realization reducing progressively, and the reducing ratio of R1 and R2 is at least greater than 1.
4. a novel oxygen humidifying device is further characterized in that: can be provided with solid-state water storage material (8) in the arbitrarily angled zone of supercharging mjector (3-2) below that humidifying container (2) is inner.
5. novel oxygen humidifying device, be further characterized in that: solid-state water storage material (8) has at least a point/face to be communicated with humidifying thing (1) and can make moisture continue unimpeded solid-state water storage material (8) surface that enters, and has at least a point/face to be positioned at effective jeting area of supercharging mjector (3) simultaneously.
6. novel oxygen humidifying device is further characterized in that: the nozzle (3-2) of supercharging mjector (3) maintains the above spacing of 1mm with humidifying thing (1) surface or solid-state water storage material (8) surface.
7. novel oxygen humidifying device, be further characterized in that: humidifying container (2) is cut apart by air-flow baffler (4) in the space of formation can be provided with oxygen filtering device (9), and described oxygen filtering device (9) is positioned at the injection rear area of supercharging mjector (3) and any path or the space between the oxygen delivery outlet (6); Preferably oxygen filtering device (9) is fixed on air-flow baffler (4) and cuts apart in the end edge region of the oxygen path that humidifying container (2) back forms.
8. novel oxygen humidifying device, be further characterized in that: oxygen filtering device (9) upper end and humidifying container (2) top close proximity, the left and right sides of oxygen filtering device (9) respectively with the inwall close proximity of air baffle (4) or humidifying box container (2).
9. a novel oxygen humidifying device is further characterized in that: can be provided with one or more liquid level buoys (10) in the viewing area of humidifying thing (1) liquid level in the humidifying container (2).
10. novel oxygen humidifying device, be further characterized in that: humidifying container (2) has at least a face to be provided with hot pass-through box (11), and preferably hot pass-through box (11) is positioned at the bottom of humidifying container (2).
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Cited By (2)
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| CN108671351A (en) * | 2018-06-20 | 2018-10-19 | 无锡市人民医院 | A kind of department of anesthesia's anesthesiaing system with humidification function |
| CN109806479A (en) * | 2017-11-18 | 2019-05-28 | 宁波贝斯美德医用器械有限公司 | Humidifying chamber with inner partition wall |
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| CN109806479B (en) * | 2017-11-18 | 2022-08-16 | 宁波贝斯美德医用器械有限公司 | Humidification chamber with internal partition |
| CN108671351A (en) * | 2018-06-20 | 2018-10-19 | 无锡市人民医院 | A kind of department of anesthesia's anesthesiaing system with humidification function |
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