Atomization/humidifying switching valve integrated medical buoy type oxygen absorber
Technical field
The invention belongs to medical instruments field, be specifically related to a kind of atomization/humidifying switching valve integrated medical buoy type oxygen absorber.
Background technology
Along with the development of clinic application, the atomized medicine introducing in non-injection administration mode comes into one's own day by day.Atomized medicine introducing, after experienced by the ultrasonic atomizatio of long period, is just entering gas compression atomization step at present, and the Major medical apparatus that medical vaporizer is atomized as gas compression is widely used in clinical treatment.As the air pressure pump of medical vaporizer pneumatic power source, although by the application of multiple technologies, but still remain that volume is large, Heavy Weight, flimsy remarkable shortcoming, add that compressor pump operating noise is large, price is expensive, make it be restricted in hospital's large-scale application.The clinical treatment demand of atomized medicine introducing, impels while updating compressor pump quality, is also constantly seeking the better alternative solution of gas compression pump.
Wall-buoy oxygen inhalation apparatus is the basic oxygen supply device of hospital, and cost is low, easy and simple to handle, output oxygen flow is adjustable, is widely used in inpatient first aid oxygen supply and humidification oxygen therapy.The hospital once had utilizes this easy, inexpensive apparatus, and the pneumatic power source directly as medical vaporizer carries out medicinal atomized.Normally used oxygen inhalation apparatus wetting bottle can not bear gases at high pressure, in use occur that wetting bottle breaks repeatedly, the even situation of injury to personnel, national Bureau of Drugs Supervision (SFDA) explicit stipulation " forbidding utilizing buoy type oxygen absorber to carry out oxygen atomizing inhalation treatment " in 2006.
" a kind of Novel oxygen atomizer " (ZL201020150655.4) proposes " utilizing existing buoy type oxygen absorber for main body; after removing wetting bottle; to arrange atomization seal cover and blocked by air outlet adapter ", can provide oxygen therapy and nebulizer oxygen power to patient.But this easy oxygen therapy device lacks humidification function, should not in oxygen therapy the long period use; When it can be used as atomized oxygen power source to use, the troublesome operation changing wetting bottle is difficult to for clinical acceptance.
A kind of atomization/humidifying working mode change valve of novelty is proposed in " integrated oxygen inhalator for atomization " (ZL201120067100.8), be rotatably connected in the lower end of oxygen inhalation apparatus valve body, combinationally use with oxygen inhalation apparatus, the conversion of atomization, humidifying mode of operation can be reached.Structure, the switching valve of this Combination application and oxygen inhalation apparatus are not also integral structures truly, and manufacturing cost is higher, and quality is also stable not, promotes limited.
Its two, in the prior art, the wetting bottle be connected with float type medical oxygen inhaler valve body limit due to structural design, and vulnerable to pollution, sterilization inconvenience, cost are high, can cause iatrogenic cross infection in hospital.Although there are many technology explorations to improve, as Chinese patent ZL200920179106.7, ZL200720031642.3 and application number 2011110400666.2 all propose some new Technological improvement plans, but these schemes all fundamentally cannot solve the technical barrier guaranteeing the omnidistance sterile working of oxygen humidification process.
Its three, what existing float type medical oxygen inhaler used humidify, and use repeatly that pipe makes for plastics one-shot forming humidifies pipe, and humidify pipe threaded upper ends place and arrange O-ring seal, use repeatly humidifies baffle plate pipe lower end fixed cover being provided with venthole.Medical oxygen enters use repeatly through oxygen inhalation apparatus valve body lower end center air outlet adapter and humidifies pipe, then flows out from the venthole of baffle plate, has then fully mixed oxygen humidification with humidification fluid, provides patient to suck.In order to lower institute's sense incidence rate and reduce medical treatment cost, conventional approach humidifies pipe disinfection recycling to the used use repeatly of patient.During each sterilization, use repeatly must be humidified pipe and take off sterilization from the threaded connection place rotation of oxygen inhalation apparatus valve body lower end center air outlet adapter.Use repeatly humidifies pipe after repeatedly spiral rotating connects use, humidifies the easy abrasion deformation of pipe threaded upper ends, can produce leakage, affect the humidifying effect of oxygen when being connected with oxygen inhalation apparatus valve body lower end center air outlet adapter.Humidifying pipe threaded upper ends and even can not being rotatably connected with center air outlet adapter of serious wear, cannot complete air flue sealing, can not use at all.Adding the use repeatly after disinfecting, to humidify the effective maintaining period of pipe shorter, is difficult to long-term properly safe storage, becomes a difficulties in the management of hospital care medical apparatus sterilizing.Up to now, the novel pipe product that humidifies also can not solved the problem comes out.
Summary of the invention
Object of the present invention: one is for existing medical oxygen inhaler can not directly to provide pressure oxygen power source to carry out medicinal atomized for medicine atomizer, or integrated oxygen inhalator for atomization realizes the complex structural designs of atomization, humidifying working mode change, manufacturing cost is higher, the technological deficiency that quality is stable not, two is cannot to guarantee the omnidistance sterile working of oxygen humidification because structural design limits for the wetting bottle be connected with medical oxygen inhaler valve body, and vulnerable to pollution, sterilization inconvenience, cost are high, can cause the technical barrier of iatrogenic cross infection in hospital, three is humidify pipe for existing use repeatly repeatedly to use sterilization difficulty, poorly sealed exist the technological difficulties such as potential safety hazard, be intended to utilize and a kind ofly can carry out being atomized/the conversion valve of humidifying working mode change with being integrally formed of oxygen inhalation apparatus valve body structure, and with wetting bottle with humidify pipe and jointly form and be atomized/humidifying switching valve integrated medical buoy type oxygen absorber, this integrated medical buoy type oxygen absorber with atomization/humidifying mode of operation provided, novel structure, easy to operate, safe and effective, cost performance is high, meet hospital disinfection specification, humidifying pneumatic noise is low, both the omnidistance sterile working of oxygen humidification process can have been guaranteed, the oxygen power source of regulating flow quantity can also be provided for medical vaporizer.
The object of the invention is to be realized by following technical proposals.
Atomization of the present invention/humidifying switching valve integrated medical buoy type oxygen absorber, primarily of oxygen inhalation apparatus valve body 1, wetting bottle 3, humidify pipe 4 and form, be characterized in oxygen inhalation apparatus valve body 1 is directly provided with flow control valve 2 and atomization/humidifying working mode change valve 6, atomization/humidifying working mode change valve 6 is arranged on the left side in flow control valve 2 downward vertical direction or right side or bilateral.
In such scheme, described atomization/humidifying working mode change valve 6, by valve pocket 607, movable valve plug 606, switching valve handwheel 602 is formed, switching valve handwheel 602 is fixedly connected with movable valve plug 606 through holding screw 604, grooved hole 608 on valve pocket 607 and grooved through hole 8 and the feeding oxygen hole 10 on oxygen inhalation apparatus valve body 1, oxygen outlet 12 and the fixing connection of oxygen inhalation apparatus valve body 1 inner chamber 25, movable valve plug 606 and valve pocket 607 mobile communication are (when mobile communication refers to that associated components is subjected to displacement change, slotted eye on correspondence position may correspond to and is communicated with or disconnects), movable valve plug 606 is provided with sealing ring 605.
In such scheme, the described atomization/switching valve handwheel 602 of humidifying working mode change valve 6 and the joint portion of valve pocket 607 are provided with collision bead 601, are provided with plug 603 between switching valve handwheel 602 and holding screw 604.
In such scheme, described holding screw 604 also can be provided with spring 610, spring 610 termination arranges push rod 611, the oxygen inhalation apparatus valve body 1 of push rod 611 tail end contact arranges flat thin magnet 612, the movable valve plug 606 corresponding with flat thin magnet is provided with magnet steel 613.
In such scheme, described flow control valve 2 is made up of Flow-rate adjustment valve hand wheel 202 and the adjust flux screw rod 201 that is positioned at Flow-rate adjustment valve hand wheel 202.The pyramid type top of adjust flux screw rod 201 is flexibly connected with inlet suction port 11.
In such scheme, described wetting bottle 3 can be one-time formed overall structure, also can be the Split type structure of post forming.One-time formed overall structure is reused after can sterilizing, and bottleneck threaded upper ends 13 is rotatably connected in oxygen inhalation apparatus valve body 1 bottom, and screw thread specification is M30x2, and reach is determined as required.The Split type structure of post forming is made up of external bottle cap 14, outer blank 16, interior bowl cover 15 and interior cup 17, and be characterized in that external bottle cap 14 threaded upper ends 13 is rotatably connected in oxygen inhalation apparatus valve body 1 bottom, screw thread specification is M30x2, and reach is determined as required.Be arranged at the oxygen after the humidifying of interior bowl cover 15 rim of a cup to be directly communicated with the oxygen outlet 12 of oxygen inhalation apparatus valve body 1 through grooved through hole 8, ensure that the oxygen after humidifying is exported by air outlet adapter 7 after interior cup is directly communicated with oxygen outlet 12 with the cavity space between outer cup, described interior bowl cover 15 rim of a cup outer wall and external bottle cap 14 rim of a cup inwall coincide and/or the whole outer wall of interior bowl cover 15 and external bottle cap 14 inwall coincide, along being provided with guard ring 18 in described wetting bottle 3 external bottle cap 14 bottleneck.Described wetting bottle 3 is preferably with the wetting bottle of cup in single use.
In such scheme, described in humidify pipe 4 and form by humidifying pipe body 23, directly and snap joint 24 grafting, snap joint 24 threaded upper ends 19 is threaded with oxygen inhalation apparatus valve body 1 lower center air outlet adapter 9 in the upper end being characterized in humidifying pipe body 23.Screw thread specification is M8x1, and reach is determined as required.The described pipe 4 that humidifies is better single use.
In such scheme, described in humidify pipe body 23 lower end be provided with made by porous material humidify core 20, humidify core 20 and humidify pipe body 23 and bonding, inserting mode can connect and also can be connected by nipple 21 and clamp nut 22.
In such scheme, described in humidify color pipe body 23 being designed with and being convenient to identify.
The present invention is the technical scheme that inventor passes through to repeatedly practise summary science practicality out, compared with prior art, and innovation of the present invention and feature:
About the structure of oxygen inhalation apparatus valve body 1, the present invention is provided with oxygen flow rate adjusting valve 2 on oxygen inhalation apparatus valve body 1, flow control valve 2, by the displacement of Flow-rate adjustment valve hand wheel 202 adjust flux screw rod 201 in oxygen inhalation apparatus valve body 1, carries out Flow-rate adjustment to the oxygen being entered oxygen inhalation apparatus valve body 1 by inlet suction port 11; Be provided with atomization/humidifying working mode change valve 6 at flow control valve 2 downward vertical direction place, drawn by pressure, push-and-pull or rotate switching valve handwheel 602, realize the atomization/humidifying working mode change of oxygen.Atomization disclosed by the invention/humidifying working mode change valve 6 is by valve pocket 607, movable valve plug 606, valve core seal ring 605, collision bead 601, switching valve handwheel 602, plug 603, holding screw 604, spring 610, push rod 611, the compositions such as flat thin magnet 612 and magnet steel 613, drawn by pressure, push-and-pull or rotation switching valve handwheel 602, movable valve plug 606 is made to produce mechanical displacement in valve pocket 607, by the compartmentation of valve core seal ring 605 pairs of valve pocket 607 inner chamber physical spaces, change the oxygen outflow path being entered oxygen inhalation apparatus valve body 1 by oxygen inhalation apparatus valve body 1 feeding oxygen hole 10 dexterously, or humidify pipe 4 by the single use being installed at oxygen inhalation apparatus valve body 1 center air outlet adapter 9 to flow out, become humidify oxygen gas after mixing with aseptic humidification fluid 5 and enter grooved through hole 8, oxygen outlet 12 is arrived through conversion slotted eye 609, export from air outlet adapter 7 and patient is provided, or be directly communicated with the oxygen outlet 12 of oxygen inhalation apparatus valve body 1 by the grooved hole 608 on valve pocket 607, exporting from air outlet adapter 7 provides patient.Under the effect of atomization/humidifying working mode change valve 6, enter the medical oxygen of oxygen inhalation apparatus valve body 1 through flow control valve 2, by selecting the mode of operation of atomization/humidifying mode of operation conversion valve 6, the oxygen that output flow is adjustable, conveniently can realize the object exported with humidify oxygen gas State-output or direct oxygen.After above-mentioned flow control valve 2 is connected with oxygen inhalation apparatus valve body 1 respectively with atomization/humidifying working mode change valve 6, composition has the integral structure of several functions, product with compact structure, easy to operate, not only can simplify production process, improve the reliability of product, can also reduce costs, convenient Clinical practice, effectively can solve the safety issue of buoy type oxygen absorber as nebulizer oxygen power source.
About wetting bottle 3 structure of cup in band single use, in the band single use that the present invention adopts, the wetting bottle 3 of cup is by external bottle cap 14, outer blank 16, interior bowl cover 15 and interior cup 17 form, the oxygen that pipe 4 flows out is humidified by single use, after humidifying core 20 and entering aseptic humidification fluid 5, the humidify oxygen gas generated in wetting bottle cavity only with bowl cover 15 inwall in sterile-processed single use, interior cup 17 inwall contacts with the space safety on aseptic humidification fluid 5 liquid level, by being arranged at the rim of a cup of interior bowl cover 15 upper end through grooved through hole 8, conversion slotted eye 609 directly exports from the oxygen outlet 12 of oxygen inhalation apparatus valve body 1 through air outlet adapter 7.Ensure that the oxygen after humidifying does not enter the void space between interior bowl cover 2 outer wall and external bottle cap 1 inwall from structural design, the cavity space between interior cup 17 outer wall and outer blank 16 inwall is not entered yet, ensure that the asepticize substantial length of operation of oxygen humidification process, at utmost improve the safety of humidify oxygen gas.After the present invention adopts abovementioned technology, can more effectively the iatrogenic institute sense risk incidence rate that may cause in oxygen inhalation apparatus use procedure be down to minimum.In band single use of the present invention, the wetting bottle 3 of cup is lightweight, volume is little, cost is low, connection is quick, the interior bowl cover 15 that wetting bottle 3 is built-in and interior cup 17 are single use, bacterial bearing rate and the content of molds of wetting bottle during oxygen inhalation apparatus Clinical practice can be greatly reduced, effectively stop the cross infection in hospital that may cause during oxygen inhalation apparatus uses.
Humidify the structure of pipe 4 about single use, the present invention adopt by humidify pipe body 23 upper end directly and snap joint 24 grafting, the design that snap joint 24 threaded upper ends 19 is threaded with buoy type oxygen absorber valve body 1 lower center air outlet adapter 9.Snap joint 24 can be inserted or be taken out in the upper end humidifying pipe body 23 mode of inserting soon, effectively overcome prior art troublesome poeration and repeatedly use after humidify pipe threaded upper ends 26 wear and tear produce gas leakage, affect the technical barriers such as oxygen humidification effect, according to hospital disinfection code requirement, the technical disadvantages of the easy abrasion deformation of pipe 28 is humidified for the deficiency of above-mentioned prior art sterilization method and use repeatly, the present invention will humidify pipe design become sterilization the effect phase long, be easy to the disposable product of keeping, the environment-friendly materials of recoverable are adopted to make, with low cost, patient uses change according to rule of operation rear every day, the bacterial bearing rate and content of molds that humidify pipe can be greatly reduced, can effectively the iatrogenic institute sense risk incidence rate caused thus be down to minimum, also fundamentally eliminate simultaneously and humidify pipe threaded upper ends 26 port wearing and tearing generation gas leakage, affect the drawback of oxygen humidification effect, adopt in design of the present invention, single use humidifies pipe body 23 can also be designed to multiple color, as set a kind of color every day, effectively can remind and supervising medical personnel and changing, guarantee that the contaminated pipe that humidifies can not be reused, stop polluter, single use humidifies pipe body 23 lower end and adopts porous material to make to humidify core 20 and replace use repeatly and humidify the venthole baffle plate 31 that pipe 28 has venthole 30, oxygen is evenly released through porous material, efficiently solves pneumatic noise causes noise pollution defect to environment, medical oxygen is flowed out by the core 20 that humidifies of oxygen inhalation apparatus valve body 1 lower center air outlet adapter 9 through humidifying pipe body 23 lower end, after the humidification fluid 5 in wetting bottle 3 fully humidifying, becomes the humidify oxygen gas meeting clinical treatment requirement and enters patients with respiratory tract.
Accompanying drawing explanation
Fig. 1 is one of atomization/humidifying working mode change valve and oxygen inhalation apparatus valve body combinative structure schematic diagram.
Fig. 2 is atomization/humidifying working mode change valve and oxygen inhalation apparatus valve body combinative structure schematic diagram two.
Fig. 3 is oxygen flow rate adjusting valve and oxygen inhalation apparatus valve body combinative structure sectional view.
Fig. 4 is arranged on one of one-sided position view of oxygen inhalation apparatus valve body for atomization/humidifying working mode change valve.
Fig. 5 is arranged on the one-sided position view two of oxygen inhalation apparatus valve body for atomization/humidifying working mode change valve.
Fig. 6 is arranged on oxygen inhalation apparatus valve body bilateral position view for atomization/humidifying working mode change valve.
Fig. 7 is the wetting bottle structural representation of cup in band single use.
Fig. 8 is that single use humidifies one of tubular construction schematic diagram.
Fig. 9 is that single use humidifies tubular construction schematic diagram two.
Figure 10 is that use repeatly humidifies tubular construction schematic diagram.
In figure, 1. oxygen inhalation apparatus valve body; 2. oxygen flow rate adjusting valve; 201. adjust flux
Screw rod; 202. Flow-rate adjustment valve hand wheels; 3. wetting bottle; 4. humidify pipe; 5. humidification fluid; 6. atomization/humidifying working mode change valve; 601. collision bead; 602. conversion valve hand wheels; 603. plug; 604. holding screw; 605. sealing ring; 606. movable valve plug; 607. valve pocket; 608. grooved holes; 609. conversion slotted eyes; 610. spring; 611. push rod; 612. flat thin magnet; 613. magnet steel; 7. air outlet adapter; 8. grooved through hole; 9. valve body center air outlet adapter; 10. feeding oxygen hole; 11. inlet suction ports; 12. oxygen outlet; 13. external bottle cap threaded upper ends; 14. external bottle caps; Bowl cover in 15.; 16. outer blanks; Cup in 17.; 18. guard rings; 19. snap joint threaded upper ends; 20. humidify core; 21. nipples; 22. clamp nuts; 23. humidify pipe body; 24. snap joints; 25. body cavities; 26. humidify pipe threaded upper ends; 27. O-ring seal; 28. use repeatlies humidify pipe; 29. fixed covers; 30. ventholes; 31. venthole baffle plates.
Detailed description of the invention
The invention is further illustrated by the following examples, and the present invention is not limited only to described embodiment.
As shown in Figure 4, Figure 5: the atomization humidifying switching valve integrated medical buoy type oxygen absorber of this example, humidify pipe 4 primarily of the wetting bottle 3 of cup and single use in oxygen inhalation apparatus valve body 1, band single use to form, be characterized in oxygen inhalation apparatus valve body 1 being directly provided with atomization/humidifying working mode change valve 6, oxygen inhalation apparatus valve body 1 be atomized/humidifying working mode change valve 6 above become vertical direction place to be provided with flow control valve 2.Described oxygen inhalation apparatus valve body 1, the planform being with the wetting bottle 3 of cup in single use and single use to humidify pipe 4 can design arbitrarily, and wetting bottle 3 is built with humidification fluid 5.
As shown in Figure 1: the atomization/humidifying working mode change valve 6 of this example, be made up of valve pocket 607, movable valve plug 606, switching valve handwheel 602, switching valve handwheel 602 is connected with movable valve plug 606 through holding screw 604, grooved through hole 608 on valve pocket 607 is fixedly communicated with the feeding oxygen hole 10 on oxygen inhalation apparatus valve body 1, oxygen outlet 12 and oxygen inhalation apparatus valve body 1 inner chamber 25 with grooved through hole 8, movable valve plug 606 and valve pocket 607 mobile communication, movable valve plug 606 is provided with sealing ring 605.Drawn by pressure, push-and-pull or rotate switching valve handwheel 602, movable valve plug 606 is made to produce mechanical displacement in valve pocket 607, by the compartmentation of valve core seal ring 605 pairs of valve pocket 607 inner chamber physical spaces, change the oxygen outflow path being entered valve body 1 by oxygen inhalation apparatus valve body 1 feeding oxygen hole 10 dexterously, or flowed out by the pipe 4 that humidifies being installed at center, valve body 1 bottom air outlet adapter 9, become humidify oxygen gas after mixing with humidification fluid 5 and enter grooved through hole 8, arrive oxygen outlet 12 through conversion slotted eye 609, exporting from air outlet adapter 7 provides patient; Or be directly communicated with oxygen outlet 12 by the grooved through hole 608 on valve pocket 607, exporting from air outlet adapter 7 provides patient.As seen in Figure 1, after atomization/humidifying working mode change valve 6 is integrated with oxygen inhalation apparatus valve body 1 one-tenth, makes oxygen inhalation apparatus can be set to " humidifying " mode of operation by working mode change valve 6, there is function for humidifying oxygen gas; Also can be set to " atomization " mode of operation by switching valve 6, for medicine atomizer provides the oxygen power source of adjustable flow, meet the medicinal atomized needs of medical vaporizer.
As shown in Figure 1: switching valve handwheel 602 and the joint portion of valve pocket 607 of this routine described atomization/humidifying working mode change valve 6 are provided with collision bead 601, are provided with plug 603 between switching valve handwheel 602 with holding screw 604, switching valve handwheel 602 by holding screw 604 with movable valve plug 606 in being fixedly connected with.
As shown in Figure 2: this routine described holding screw 604 lower end also can arrange spring 610, spring 610 termination arranges push rod 611, the oxygen inhalation apparatus valve body 1 of push rod 611 tail end contact arranges flat thin magnet 612, the movable valve plug 606 corresponding with flat thin magnet 612 is provided with magnet steel 613, and its effect is all quick movement in order to effectively control movable valve plug 606 and reset.
As shown in Figure 3, described flow control valve 2 is made up of Flow-rate adjustment valve hand wheel 202 and the adjust flux screw rod 201 that is positioned at Flow-rate adjustment valve hand wheel 202.The pyramid type top of adjust flux screw rod 201 is flexibly connected with admission line, namely by the flexible size that can control air inflow of pyramid type top in admission line.This example atomization/humidifying working mode change valve 6 and oxygen inhalation apparatus valve body 1 and oxygen flow rate adjusting valve 2 are in integral structure (in fact, atomization/humidifying working mode change valve 6 is arranged on the below of oxygen inhalation apparatus valve body 1 oxygen flow rate adjusting valve 2, and with oxygen flow rate adjusting valve 2 one-tenth vertical direction, as shown in Figure 3), oxygen inhalation apparatus formation is made to have oxygen flow scalable, humidify oxygen gas or the multifunctional safety apparatus as nebulizer oxygen power source can be provided to patient.
As shown in Figure 1, Figure 2, shown in Fig. 3, described flow control valve 2 is connected with oxygen inhalation apparatus valve body 1 in fastening nuts mode; 6, atomization/humidifying working mode change valve embeds with machinery, weld, spin or the multiple possible combination such as bonding and buoy type oxygen absorber valve body 1 in tight fit connection.
As shown in Fig. 4, Fig. 5, Fig. 6: it is one-sided that the patten transformation handwheel 602 of atomization of the present invention/humidifying working mode change valve 6 can be arranged on oxygen inhalation apparatus valve body 1, as shown in Figure 4, Figure 5; Or be arranged on oxygen inhalation apparatus valve body 1 bilateral, as shown in Figure 6.
The atomization that the present invention relates to/humidifying working mode change valve 6 can be arranged respectively to two kinds of mode of operations: atomization mode of operation and humidifying mode of operation, coordinate nebulizer, nasal oxygen tube to use respectively, oxygen inhalation apparatus is become and can have function for humidifying oxygen gas and the multifunctional safety apparatus as nebulizer oxygen power source.
As shown in Figure 7: the wetting bottle 3 of cup in the single use of this example, by external bottle cap 14, outer blank 16, interior bowl cover 15 and interior cup 17 form, be characterized in that external bottle cap 14 threaded upper ends 18 directly can be rotatably connected in oxygen inhalation apparatus valve body 1 bottom, interior bowl cover 15 rim of a cup outer wall and external bottle cap 14 rim of a cup inwall coincide and (coincide and refer to tight fit, laminating does not interspace) and/or whole outer wall and external bottle cap 14 inwall identical (not providing in figure) of interior bowl cover 15, oxygen after humidifying is by being arranged at the rim of a cup of interior bowl cover 15 upper end through grooved through hole 8, conversion slotted eye 609, directly export from the oxygen outlet 12 of oxygen inhalation apparatus valve body 1 through air outlet adapter 7, ensure that the asepticize substantial length of operation of oxygen humidification process.
As shown in Figure 7: this exception bottle cap 14 can design arbitrarily with the combination of interior cup 17 with outer blank 16 and interior bowl cover 15, grafting, and fasten, bonding etc., as being provided with groove in external bottle cap 14 lower end, outer blank 16 upper end arranges projection, the two quick grafting coordinates.Along being provided with guard ring 13 in wetting bottle 3 external bottle cap 14 upper end bottleneck shown in this example, oxygen after its effect can prevent humidifying on the one hand further releases interior bowl cover 15 rim of a cup, internally bowl cover 15 upper end cylindrical finish can also play spacing and fixation on the other hand.
The joint portion of the external bottle cap 14 shown in this example and outer blank 16 or interior bowl cover 15 and interior cup 17, i.e. cup edge place in figure, in order to ensure the sealing of its pressed gas, also can be provided with silicagel pad or be integrated into soft cup edge with elasticity homogeneity macromolecular material, interior bowl cover 15 also can adopt convex-concave connected structure, to meet mechanical seal needs with the joint portion of interior cup 17.The interior bowl cover 15 that this routine wetting bottle is built-in and interior cup 17 are single use, can greatly reduce bacterial bearing rate and the content of molds of wetting bottle during oxygen inhalation apparatus Clinical practice, effectively stop the cross infection in hospital that may cause during oxygen inhalation apparatus uses.In single use, bowl cover 15 and interior cup 17 adopt recyclable material to make, and reduce costs to greatest extent, are conducive to environmental conservation.The structural design on the cup edge, joint portion of this exception bottle cap 14, outer blank 16, interior bowl cover 15 and interior cup 17 can make its overlapping placement, not only reduces parking space, is also very beneficial for transport.
As shown in Figure 8: for single use humidifies pipe in figure, form by humidifying pipe body 23, the upper end being characterized in humidifying pipe body 23 directly with snap joint 24 with slotting mode grafting soon, snap joint 24 threaded upper ends 19 is threaded with center, oxygen inhalation apparatus valve body 1 bottom air outlet adapter 9.The appearance color humidifying pipe body 23 can be the various distinct color such as red, orange, yellow, green, cyan, blue, purple or other has significant secondary colour etc., so that identify, effectively to remind and supervision medical personnel change every day.This example humidifies pipe body 23 and adopts the environment-friendly materials of recoverable to make.This routine snap joint is standard component, and the screw thread specification of snap joint 24 threaded upper ends 19 is M8x1, and reach can be determined as required.Humidify pipe body 23 lower end be provided with porous material make humidify core 20.Medical oxygen is flowed out by the core 20 that humidifies of valve body center, oxygen inhalation apparatus valve body 1 lower end air outlet adapter 9 through humidifying pipe body 23 lower end, after the humidification fluid 5 in wetting bottle 3 fully humidifying, becomes the humidify oxygen gas meeting clinical treatment requirement and enters patients with respiratory tract.It is smooth and easy that described porous material requires to make gas flow out, and not easily produces noise again.
As shown in Figure 8, Figure 9: the core 20 that humidifies described in this example can directly, grafting bonding with humidifying pipe body 23 or adopt other any-mode to connect.Humidify core 20 profile described in this example and have plug type (as shown in Figure 8) and through hole type (as shown in Figure 9) respectively.It is fixed by nipple 21 and clamp nut 22 that through hole type humidifies core 20, nipple 21 adopt bonding, grafting or spin mode with humidify pipe body 23 lower end and be connected.
As Fig. 8, Fig. 9 are visible: single use of the present invention humidify pipe have easy and simple to handle, connect fast, humidifying pneumatic noise is low, without the disposable feature of gas leakage hidden danger, pipe is humidified without the need to the disposable of disinfection after adopting patient to use, the bacterial bearing rate and content of molds that humidify pipe can be greatly reduced, can effectively the iatrogenic institute sense risk incidence rate caused thus is down to minimum.
Figure 10 is that use repeatly humidifies tubular construction schematic diagram.