CN209984742U - Inflatable nasopharynx air vent - Google Patents
Inflatable nasopharynx air vent Download PDFInfo
- Publication number
- CN209984742U CN209984742U CN201920020608.9U CN201920020608U CN209984742U CN 209984742 U CN209984742 U CN 209984742U CN 201920020608 U CN201920020608 U CN 201920020608U CN 209984742 U CN209984742 U CN 209984742U
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- Prior art keywords
- air
- pipe
- inflatable
- vent
- inflation
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- 210000001989 nasopharynx Anatomy 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 210000003928 nasal cavity Anatomy 0.000 abstract description 19
- 210000003128 head Anatomy 0.000 description 10
- 230000002265 prevention Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 210000002850 nasal mucosa Anatomy 0.000 description 4
- 206010030113 Oedema Diseases 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000004877 mucosa Anatomy 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000002497 edematous effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000000642 iatrogenic effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000000492 nasalseptum Anatomy 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model relates to the technical field of machinery, in particular to an inflatable nasopharynx air duct, which comprises an air duct, wherein the top end of the air duct is provided with a support sheet, a connecting channel is arranged between the bottom of the support sheet and the top end of the air duct, the surface of the air duct is provided with an air bag, the bottom end of the air duct is provided with an air inlet end, the interior of the air bag is a hollow air conveying channel, the interior of the top end of the air bag is provided with an anti-backflow mechanism near the air filling pipe, the anti-backflow mechanism comprises an air permeable plate, the middle part of the upper surface of the air permeable plate is vertically provided with a stand column, the top part of the stand column is provided with a movable plate, a spring is arranged between the lower surface of the movable plate and the top part of the stand column, the inner walls at two sides of the air, thereby avoiding damaging the inner wall of the nasal cavity, and the air inlet end can prevent the inside of the breather pipe from being blocked.
Description
Technical Field
The utility model relates to the technical field of machinery, specifically be an inflatable nasopharynx air vent.
Background
At present, nasopharynx air vent commonly used in clinic is different according to models, different inner diameters and lengths are provided, the larger the general inner diameter is, the better the ventilation effect is, but the larger the insertion difficulty and the damage degree to a nasal cavity are, iatrogenic damage is easily caused, nasal mucosa edema is easily caused due to extrusion in the tube placing process, when the tube is pulled out, the edematous nasal mucosa is extruded and rubbed again, nasal mucosa bleeding is easily caused, severe patients aggravate nasal cavity soft tissue edema, nasal cavity ventilation is influenced, for patients suffering from nasal septum deflection, a traditional nasopharynx air vent can also directly cause extra and serious nasal cavity damage in the inserting process, in addition, one end of the air vent is easily blocked by liquid and impurities in the nasal cavity when ventilation is carried out, and therefore the ventilation effect is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an inflatable nasopharynx air vent to the insertion degree of difficulty that provides causes the damage greatly easily among the solution above-mentioned background art and blocks up the influence scheduling problem of ventilating easily.
In order to achieve the above object, the utility model provides a following technical scheme:
an inflatable nasopharynx air duct comprises an air duct, wherein a supporting sheet is arranged at the top end of the air duct, an air inlet is formed in the surface of the supporting sheet, and a connecting channel is arranged between the bottom of the supporting sheet and the top end of the air duct;
the outer wall of the vent pipe is of a double-layer structure, the double-layer structure is a closed air bag, the top end of the supporting sheet is connected with an inflation pipe, the bottom end of the vent pipe is provided with an air inlet end, and the interior of the air bag is a hollow air transmission channel;
the outer end of gas tube is provided with aerating device, aerating device includes the gas-supply pipe, the one end of gas-supply pipe is connected with sealing sleeve, sealing sleeve and the one end grafting cooperation of gas tube, the other end of gas-supply pipe is connected with the inflation head, the spread groove has been seted up at the top of inflation head, the inside of spread groove is provided with the valve inside, the outside of inflation head is connected with the connecting band, the one end that the inflation head was kept away from to the connecting band is connected with the sealing plug, the size of sealing plug and the size looks adaptation of spread groove.
Preferably, the top of the connecting channel is connected with the air inlet, and the bottom of the connecting channel is connected with the vent pipe.
Preferably, the top end of the inflation tube penetrates through the surface of the support sheet.
Preferably, the middle section of the vent pipe is connected with a corrugated pipe.
Preferably, the inside of breather pipe is provided with the seal wire, the bottom of seal wire leads to the bottom of breather pipe, the top of seal wire passes the air inlet and is connected with the pull ring.
Preferably, the inside backflow prevention mechanism that is close to gas tube department in top of gasbag, backflow prevention mechanism includes the ventilative board, the vertical stand that is provided with in upper surface middle part of ventilative board, the top of stand is provided with the fly leaf, the fly leaf is the bellied arc structure that makes progress, be provided with the spring between the lower surface of fly leaf and the top of stand, the both sides inner wall of breather pipe is close to fly leaf department close welding and has the fixed plate, the fixed plate is the arc structure of kickup, the both sides that the surface of ventilative board is close to the stand have all seted up the bleeder vent.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, convenient to use can make things convenient for the entering of breather pipe through seal wire and the gasbag that wherein sets up to avoid damaging the nasal cavity inner wall, be convenient for ventilate, can prevent the inside jam of breather pipe through the inlet end that wherein sets up, thereby the reinforcing effect of aerifing, the utility model discloses very big practical value has, the facilitate promotion.
Drawings
Fig. 1 is one of the overall structural diagrams of the present invention;
fig. 2 is a second schematic view of the overall structure of the present invention;
FIG. 3 is one of the top internal structure diagrams of the middle vent pipe of the present invention;
FIG. 4 is a second internal structure view of the top end of the middle vent pipe of the present invention;
fig. 5 is a third schematic view of the overall structure of the present invention;
FIG. 6 is a schematic structural view of an inflator according to the present invention;
fig. 7 is a second schematic structural view of the inflator according to the present invention.
In the figure: 1. a breather pipe; 11. a bellows; 2. an air bag; 21. an inflation tube; 22. a gas transmission channel; 3. an air inlet end; 31. an elastic tube; 32. a groove; 321. a circular hole; 4. a support sheet; 41. a connecting channel; 42. an air inlet; 5. a guide wire; 51. a pull ring; 6. a backflow prevention mechanism; 61. a gas permeable plate; 611. air holes are formed; 62. a column; 63. a spring; 64. a movable plate; 65. a fixing plate; 7. an inflator; 71. an inflation head; 711. connecting grooves; 712. a valve core; 72. a gas delivery pipe; 721. sealing the sleeve; 73. a connecting belt; 74. and (4) sealing the plug.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Example 1
An inflatable nasopharyngeal airway, as shown in fig. 1 and fig. 2, comprises an airway tube 1, a bellows 11 is connected to the middle section of the airway tube 1, a guide wire 5 is arranged inside the airway tube 1, the bottom end of the guide wire 5 leads to the bottom end of the airway tube 1, the top end of the guide wire 5 passes through an air inlet 42 and is connected with a pull ring 51, a support piece 4 is arranged at the top end of the airway tube 1, an air inlet 42 is arranged on the surface of the support piece 4, a connecting channel 41 is arranged between the bottom of the support piece 4 and the top end of the airway tube 1, the top of the connecting channel 41 is connected with the air inlet 42, the bottom of the connecting channel 41, the double-layer structure is a closed air bag 2, the top end of a support sheet 4 is connected with an inflation tube 21, the bottom end of a vent tube 1 is provided with an air inlet end 3, and the interior of the air bag 2 is a hollow air transmission channel 22.
Specifically, 2 direct and the air duct intercommunication of gasbag on the breather pipe 1, aerify/behind the water, 2 internal pressure of gasbag increases, thereby the inflation, make breather pipe 1 be tubulose (this moment, the pipe wall is the bilayer, inside aerifys/water structure, and be gas passage in the breather pipe 1), in order to improve the ventilation efficiency of this nasopharynx air duct, can carry out optimal design through the structure to the bilayer pipe wall, thereby the internal diameter/external diameter of increase air duct, for example for bilayer structure design with the partial structure design of breather pipe 1, make it aerify back gasbag 2 inflation, can play the supporting role can, gasbag 2 can design become like the heliciform of figure 1, still can set up to the fishbone form, so not only increase internal diameter/external diameter ratio, still be favorable to the pipeline fixed at the nasal cavity inside.
In this embodiment, the bellows 11 is made of PVC, has chemical corrosion resistance, strong resistance to oxidant, reductant and strong acid, wear resistance, easy production, safe use, low cost, and can be stretched and shortened to change the length of the vent pipe 1, thereby facilitating use.
In addition, gasbag 2 adopts the rubber material to make, and it has fine elasticity and wearability, can prop greatly when aerifing to play certain supporting role to nasal cavity inside.
It is worth mentioning that the vent pipe 1 is made of polyurethane foam materials, is soft in structure, has certain telescopic characteristics, can change the diameter according to internal gas, and is not easy to damage the inside of the nasal cavity due to the soft outer wall.
It should be noted that the outer diameter of the connecting channel 41 is large enough to prevent the tube from sliding into the nasal cavity, and if necessary, the structures of the inflation channel and the inflation head can be integrated with the connecting channel.
Example 2
In specific use, the bottom of breather pipe 1 often causes the jam because of the inside liquid of nasal cavity or impurity, thereby influence the effect of ventilating, consequently, we improve inlet end 3 on embodiment 1's basis, as shown in fig. 5, inlet end 3 is inside hollow cylindrical structure, the one end that inlet end 3 is close to breather pipe 1 bottom is connected with elastic tube 31, the one end that inlet end 3 was kept away from to elastic tube 31 is connected with breather pipe 1's bottom, a plurality of recesses 32 have been seted up on inlet end 3's surface, round hole 321 has been seted up to the bottom of recess 32, the bottom of recess 32 is the arc structure of undercut.
In this embodiment, the elastic tube 31 is made of rubber, and rubber has good elasticity, thereby ensuring that the elastic tube 31 has certain telescopic capacity and can expand and contract according to the diameter of the vent pipe 1.
The working principle of the embodiment 1 and the embodiment 2 of the present invention is: when the device is used, the air inlet end 3 at the bottom end of the air pipe 1 is slowly placed into the nasal cavity, the air pipe 1 is slowly inserted, the air pipe 1 extends into the air pipe 1 through the guide wire 5, the air pipe 1 can conveniently enter, after the air pipe enters the nasal cavity, the difficulty of placing the air bag 2 into the pharyngeal portion from the nasal cavity is small, after the air bag is placed, an injector can be used, air is injected into the air bag 3 through the air pipe 21, the air bag is positioned at the jaw arch and the tongue root through the support sheet 4 and plays a supporting role at the jaw arch and the tongue root, so that the respiratory tract is prevented from being blocked by the tongue root suffix, after the air is injected, the air bag 2 expands to be in a sleeve shape, soft tissues around the nasal cavity can be properly squeezed open, the ventilation channel with a certain inner diameter is maintained, the air pipe 21 is injected with air to inflate the air bag 2, the inner, the damage to nasal cavity mucosa is little, and gasbag 2 makes soft, thin cavity inflation to reach certain intensity, support out the chamber way that maintains the nasopharynx and ventilate, when gaseous 2 back extubations of entering gasbag, can take out gas earlier, thereby minimize the extubation to the irritation of nasal mucosa, alleviate potential mucosa edema, when carrying out the gas transmission, a plurality of round holes 321 that 3 surfaces of inlet end were seted up can avoid causing the jam, thereby make the ventilation effect better.
Example 3
During a particular use, when inflated, there is no inflation device specifically attached to inflation tube 21, as shown in figure 7, when the air is inflated, the air is pumped into the air inflation tube 21 by the air pump, which not only has slow speed, moreover, because the inflation tube 21 is not long enough to cause inconvenience in inflation, based on embodiment 2, the outer end of the inflation tube 21 is provided with the inflation device 7, the inflation device 7 comprises the inflation tube 72, one end of the inflation tube 72 is connected with the sealing sleeve 721, the sealing sleeve 721 is in insertion fit with one end of the inflation tube 21, the other end of the inflation tube 72 is connected with the inflation head 71, the top of the inflation head 71 is provided with a connecting groove 711, the inside of the connecting groove 711 is provided with a valve core 712, the outer side of the inflation head 71 is connected with the connecting band 73, one end of the connecting band 73 far away from the inflation head 71 is connected with the sealing plug 74, and the size of the sealing plug 74 is matched.
In this embodiment, valve core 712 adopts the tpms-8 inflating valve of pool brook snowman auto parts factory production in Ningbo city, when using, through external air pump, insert the inflation hose of air pump in spread groove 711, make valve core 712 open, thereby aerify the operation, gas process air-supply pipe 72, and then get into gasbag 2, make 2 expansions of gasbag support nasal cavity inside, setting through valve core 712 can make 2 gas filling rate of gasbag accelerate, can prolong gas tube 21 through air-supply pipe 72, it is more convenient to make it aerify, can guarantee aerating device 7 through seal sleeve 721 and be convenient for installation and dismantlement, can not cause kneck gas leakage simultaneously.
Example 4
As the fourth embodiment of the present invention, in order to solve the problem of gas backflow, the utility model discloses the people makes the following design, as shown in fig. 3 and fig. 4, the top inside of gasbag 2 is close to gas tube 21 and is provided with backflow prevention mechanism 6, backflow prevention mechanism 6 includes gas permeable plate 61, the vertical stand 62 that is provided with in upper surface middle part of gas permeable plate 61, the top of stand 62 is provided with fly leaf 64, fly leaf 64 is the bellied arc structure that makes progress, be provided with spring 63 between the lower surface of fly leaf 64 and the top of stand 62, the both sides inner wall of breather pipe 1 is close to fly leaf 64 department close to and has fixed plate 65, fixed plate 65 is the arc structure of kickup, bleeder vent 611 has all been seted up on the surface of gas permeable plate 61 near the both sides.
Specifically, the movable plate 64 and the fixed plate 65 are made of stainless steel, which has good resistance to weak corrosion such as air, steam, water, etc., and is not easily deformed after long-term use.
In this embodiment, when the device is used for inflation, the gas inside the airbag 2 generates pressure on the movable plate 64, so that the spring 63 is compressed, the movable plate 64 moves downwards, a gap is generated between the movable plate 64 and the fixed plate 65, and the gas passes through the gap and enters the lower part;
when the gas enters the lower portion, the movable plate 64 moves upward due to the spring 63 to contact the fixed plates 65 at both sides, so that the gas transmission passage 22 is closed to prevent the gas from flowing backward.
In the above embodiment, when the actual product is converted, the nasopharyngeal airway can be arc-shaped to conform to the nasal cavity structure, the length is about 10cm, and the inner diameter is about 7.5 mm.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an inflatable nasopharynx air vent, includes breather pipe (1), its characterized in that: a support sheet (4) is arranged at the top end of the vent pipe (1), an air inlet (42) is formed in the surface of the support sheet (4), and a connecting channel (41) is arranged between the bottom of the support sheet (4) and the top end of the vent pipe (1);
the outer wall of the vent pipe (1) is of a double-layer structure, the double-layer structure is a closed air bag (2), the top end of the support sheet (4) is connected with an inflation pipe (21), the bottom end of the vent pipe (1) is provided with an air inlet end (3), and the interior of the air bag (2) is a hollow air transmission channel (22);
the outer end of gas tube (21) is provided with aerating device (7), aerating device (7) includes gas-supply pipe (72), the one end of gas-supply pipe (72) is connected with sealed sleeve pipe (721), sealed sleeve pipe (721) and the cooperation of pegging graft of the one end of gas tube (21), the other end of gas-supply pipe (72) is connected with inflation head (71), spread groove (711) have been seted up at the top of inflation head (71), the inside of spread groove (711) is provided with valve core (712), the outside of inflation head (71) is connected with connecting band (73), the one end that inflation head (71) were kept away from in connecting band (73) is connected with sealing plug (74), the size of sealing plug (74) and the size looks adaptation of spread groove (711).
2. The inflatable nasopharyngeal airway of claim 1, wherein: the top of the connecting channel (41) is connected with the air inlet (42), and the bottom of the connecting channel (41) is connected with the vent pipe (1).
3. The inflatable nasopharyngeal airway of claim 1, wherein: the top end of the air inflation tube (21) penetrates through the surface of the support sheet (4).
4. The inflatable nasopharyngeal airway of claim 1, wherein: the middle section of the vent pipe (1) is connected with a corrugated pipe (11).
5. The inflatable nasopharyngeal airway of claim 1, wherein: the ventilation device is characterized in that a guide wire (5) is arranged in the ventilation pipe (1), the bottom end of the guide wire (5) is communicated with the bottom end of the ventilation pipe (1), and the top end of the guide wire (5) penetrates through the air inlet (42) and is connected with a pull ring (51).
6. The inflatable nasopharyngeal airway of claim 1, wherein: the utility model discloses a breather pipe, including gasbag (2), top inside be close to gas tube (21) department and be provided with anti-return mechanism (6), anti-return mechanism (6) are including ventilative board (61), the upper surface middle part of ventilative board (61) is vertical to be provided with stand (62), the top of stand (62) is provided with fly leaf (64), fly leaf (64) are the bellied arc structure that makes progress, be provided with spring (63) between the lower surface of fly leaf (64) and the top of stand (62), the both sides inner wall of breather pipe (1) is close to fly leaf (64) department close welding and has fixed plate (65), fixed plate (65) are the arc structure of kickup, bleeder vent (611) have all been seted up to the both sides that the surface of ventilative board (61) is close to stand (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920020608.9U CN209984742U (en) | 2019-01-07 | 2019-01-07 | Inflatable nasopharynx air vent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920020608.9U CN209984742U (en) | 2019-01-07 | 2019-01-07 | Inflatable nasopharynx air vent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209984742U true CN209984742U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920020608.9U Expired - Fee Related CN209984742U (en) | 2019-01-07 | 2019-01-07 | Inflatable nasopharynx air vent |
Country Status (1)
| Country | Link |
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| CN (1) | CN209984742U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109498943A (en) * | 2019-01-07 | 2019-03-22 | 南京医科大学附属逸夫医院 | A kind of inflatable nasopharyngeal air duct |
-
2019
- 2019-01-07 CN CN201920020608.9U patent/CN209984742U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109498943A (en) * | 2019-01-07 | 2019-03-22 | 南京医科大学附属逸夫医院 | A kind of inflatable nasopharyngeal air duct |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200124 |