CN201996947U - Side hole type nasopharyngeal airway - Google Patents
Side hole type nasopharyngeal airway Download PDFInfo
- Publication number
- CN201996947U CN201996947U CN2011200788897U CN201120078889U CN201996947U CN 201996947 U CN201996947 U CN 201996947U CN 2011200788897 U CN2011200788897 U CN 2011200788897U CN 201120078889 U CN201120078889 U CN 201120078889U CN 201996947 U CN201996947 U CN 201996947U
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- Prior art keywords
- airway
- nasal
- pharyngeal
- side opening
- easy
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- 210000003928 nasal cavity Anatomy 0.000 abstract description 14
- 230000006378 damage Effects 0.000 abstract description 8
- 238000009423 ventilation Methods 0.000 abstract description 6
- 210000001519 tissue Anatomy 0.000 abstract description 5
- 230000000638 stimulation Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 208000015181 infectious disease Diseases 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- 210000002850 nasal mucosa Anatomy 0.000 abstract 4
- 208000037906 ischaemic injury Diseases 0.000 abstract 1
- 210000001989 nasopharynx Anatomy 0.000 description 35
- 210000003800 pharynx Anatomy 0.000 description 16
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 208000028867 ischemia Diseases 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008822 capillary blood flow Effects 0.000 description 2
- 208000001780 epistaxis Diseases 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 208000011309 nasal bleeding Diseases 0.000 description 2
- 210000002345 respiratory system Anatomy 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000009747 swallowing Effects 0.000 description 2
- 241000219793 Trifolium Species 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 210000002409 epiglottis Anatomy 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 210000001331 nose Anatomy 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 210000005181 root of the tongue Anatomy 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 239000005526 vasoconstrictor agent Substances 0.000 description 1
Images
Landscapes
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
本实用新型公开了一种侧孔型鼻咽通气道，包括弧形结构的导气管，导气管的一端沿径向方向向外凸出形成环形结构的翼缘，另一端为咽端，咽端的端口设置为斜口结构，导气管上均布有多个侧孔（最佳为6～8个）。将该侧孔型鼻咽道气道在置入鼻腔过程中，可减小导气管的管壁与鼻腔组织之间的摩擦，从而有利于置入并减少对鼻腔黏膜的损伤，置入固定后还可减少其导气管的管壁对鼻腔黏膜的压迫和刺激，从而减轻因导气管的管壁对鼻腔粘膜的压迫所致鼻腔黏膜缺血性损伤，减少鼻腔感染机会，靠近咽端的侧孔在置入过深或咽端通气孔阻塞时能保持正常通气，保留时间较长，利于拔出，患者容易耐受，操作者使用简便、快捷。
The utility model discloses a side hole type nasopharyngeal airway, which comprises an arc-shaped air guide tube, one end of the air guide tube protrudes outward along the radial direction to form a ring-shaped flange, the other end is the pharyngeal end, and the pharyngeal end The port is set in an oblique structure, and there are multiple side holes evenly distributed on the airway (optimally 6-8). When the side hole nasopharyngeal airway is inserted into the nasal cavity, the friction between the wall of the airway and the nasal tissue can be reduced, which is beneficial to the insertion and reduces the damage to the nasal mucosa. It can also reduce the pressure and stimulation of the airway wall on the nasal mucosa, thereby reducing the ischemic injury of the nasal mucosa caused by the pressure of the airway wall on the nasal mucosa, and reducing the chance of nasal infection. It can maintain normal ventilation when it is placed too deep or the pharyngeal vent hole is blocked. The retention time is longer, which is easy to pull out. It is easy for patients to tolerate, and the operator is easy and fast to use.
Description
Technical field
This utility model relates to a kind of breathing apparatus, relates in particular to a kind of side opening type nasopharynx airway.
Background technology
Nasopharynx airway (Nasal inhaler) is by 1880s Britain Anesthetist Clover invention, later on through repeatedly improving.The nasopharynx airway is to be used for inserting pharyngeal cavity through one-sided nasal cavity, to arrange the pharyngeal cavity soft tissue, reaches the purpose of upper respiratory tract ventilation, and releasing or reduction of patient upper respiratory tract are ventilated smooth or blocked.The nasopharynx airway is generally made by soft silica gel or plastic material, is the cylindrical tube that radian is arranged slightly, similar no air bag endotracheal tube, but shorter, and tube wall is thinner and soft, and soft durometer is moderate, and its length increases with internal diameter and increases progressively.The edge of a wing of nasopharynx airway nose is thick and flange than body, in case all slip into nasal cavity after inserting, both direct face shield pressure-vent outside its edge of a wing also can be connected with the connection tube of endotracheal tube, connects with the ventilation loop, as ventilation again.Its airway has radian slightly and certain pliability is arranged, and can comply with the cavum nasopharyngeum pathway.Its pharynx end angle angle is 45 °～55 °, and angle is towards the left side of the airway place of arcuate structure cambered surface, can reduce the friction with the nasal cavity tissue during insertion, is beneficial to by nasal cavity, can reduce the damage to nasal cavity and lateral wall of pharynx again.
The tube wall of the airway of present normally used nasopharynx airway is airtight tubulose, therefore, mainly has following shortcoming: it is bigger 1, to insert in the process friction with the nasal cavity tissue, gives sometimes to insert operation and bring certain difficulty; 2, insert easy damage bronchia mucosal in the process, cause nasal bleeding; 3, insert fixing back and block the capillary blood flow that contacts the bronchia mucosal of pressurized with nasopharynx airway tube wall easily, cause the bronchia mucosal ischemia injury; 4, the time of reservation nasopharynx airway is restricted.
The utility model content
At traditional nasopharynx airway above shortcomings part, this utility model provides a kind of damage that alleviates bronchia mucosal, helps the side opening type nasopharynx airway of inserting simultaneously.
The purpose of this utility model is achieved in that side opening type nasopharynx airway comprises the airway of arcuate structure, one end of airway radially outwards protrudes the edge of a wing that forms loop configuration, the other end is the pharynx end, the port of pharynx end is set to the angle structure, is evenly equipped with a plurality of side openings on the described airway.
Further, be evenly equipped with 6～8 side openings that size is identical on the described airway;
Further, the diameter of described side opening is 1/3～1/2 of an airway internal diameter;
Further again, the angle of described pharynx end is towards the left side or the right side of the airway place of arcuate structure cambered surface.
Compare with traditional nasopharynx airway, this utility model is on the basis that absorbs traditional nasopharynx airway advantage, and the side opening type nasopharynx airway of design has following advantage:
1, it is less to insert in the process friction of side opening type nasopharynx airway tube wall and nasal cavity tissue, helps inserting;
2, insert in the process not easy damaged bronchia mucosal, can reduce nasal bleeding;
3, insert the capillary blood flow that fixing back is difficult for the bronchia mucosal that blocking-up contacts with side opening type nasopharynx airway tube wall, can reduce because of tube wall and oppress ischemia injury due to the bronchia mucosal;
4, insert fixing back owing to alleviated compressing and the stimulation of side opening type nasopharynx airway tube wall to bronchia mucosal, the patient tolerates easily;
5, when inserting dark or swallow end passage obstruction, can keep normal ventilation near the side opening of swallowing end;
6, because side opening type nasopharynx airway tube wall has a plurality of (the best is 6～8) circular side opening, can reduce the nasal cavity infection chance;
7, the time of reservation side opening type nasopharynx airway is longer;
8, help extracting side opening type nasopharynx airway, and easy to use, quick.
Description of drawings
Fig. 1 is the structural representation of side opening type nasopharynx airway.
The specific embodiment
Below in conjunction with the drawings and specific embodiments this utility model is done to describe in further detail.
Fig. 1 is the structural representation of side opening type nasopharynx airway, as shown in the figure.Side opening type nasopharynx airway, the airway 1 that comprises arcuate structure, one end of airway 1 radially outwards protrudes the edge of a wing 3 that forms loop configuration, the other end is pharynx end 4, the port of pharynx end 4 is set to the angle structure (in the present embodiment, the port of pharynx end is 45 ° of inclined-planes), be evenly equipped with a plurality of side opening 2(on the airway 1 and on airway, be evenly equipped with the project organization of 6～8 side openings for the best).The diameter of side opening 2 is 1/3～1/2 of airway 1 internal diameter, and the angle of pharynx end 4 is towards the left side or the right side of the airway 1 place cambered surface of arcuate structure.
Airway 1 is made by soft silica gel material or medical grade PVC material.Consider that its airway has side opening, the soft durometer of the whole side opening type nasopharynx airway tube wall that will suit supports and inserts.Should enter down pharyngeal cavity after the nasopharynx airway is inserted, its pharynx end passage should the 0.5cm place be good on epiglottis, stops its pharynx end passage with bob after avoiding the root of the tongue.In order to reduce of pressure and the stimulation of nasopharynx airway, the special identical circular side opening of 6～8 sizes that is evenly distributed that on the airway of side opening type nasopharynx airway, is provided with to nasal cavity.Because the cavum nasopharyngeum size of all ages and classes, sex, height and body weight is different with physiology length, can be made into the side opening type nasopharynx airway of different model.Internal diameter (ID) and length according to side opening type nasopharynx airway are determined model, as: 1., No. 8: ID is 8.0 mm, and length is 16 mm; 2., No. 7.5: ID is 7.5 mm, and length is 15 mm; 3., No. 7: ID is 7.0 mm, and length is 14 mm; 4., No. 6.5: ID is 6.5 mm, and length is 13 mm; 5., No. 6: ID is 6.0 mm, and length is 12 mm.In addition, according to side opening type nasopharynx airway pharynx end opening inclined-plane towards difference, can be made into the opening inclined-plane towards the left side or two kinds on right side.
This side opening type nasopharynx airway is a disposable medical article.Model is selected: ordinary circumstance adult male selects No. 7, the adult women selects No. 6, insert the right side nasal cavity and select the side opening type nasopharynx airway of pharynx end opening inclined-plane towards the left side, can be because insert its angle of back away from right lateral wall of pharynx, can avoid right lateral wall of pharynx and its angle to press close to and block angle, vice versa.Prepare before using: in the patient nostril, drip vasoconstrictor and lubricant earlier, lubricant is smeared on side opening type nasopharynx airway surface.During use, the pharynx end of side opening type nasopharynx airway is inserted cavum nasopharyngeum to the edge of a wing reach nostril place and get final product through a side nostril.Because the identical circular side opening of 6～8 sizes that is evenly distributed is arranged on its airway, therefore, with this side opening type nasopharyngeal meatus air flue in inserting the nasal cavity process, can reduce the tube wall of its airway and the friction between the nasal cavity tissue, thereby help inserting and reduce damage bronchia mucosal, insert and also can reduce of compressing and the stimulation of the tube wall of its airway after fixing bronchia mucosal, thereby alleviate because of the tube wall of airway to bronchia mucosal ischemia injury due to the compressing of nasal membrane, reduce the nasal cavity infection chance, when inserting dark or swallow end passage obstruction, can keep normal ventilation near the side opening of swallowing end, retention time is longer, be beneficial to and extract, the patient tolerates easily, and the operator is easy to use, fast.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although this utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200788897U CN201996947U (en) | 2011-03-23 | 2011-03-23 | Side hole type nasopharyngeal airway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200788897U CN201996947U (en) | 2011-03-23 | 2011-03-23 | Side hole type nasopharyngeal airway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201996947U true CN201996947U (en) | 2011-10-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200788897U Expired - Fee Related CN201996947U (en) | 2011-03-23 | 2011-03-23 | Side hole type nasopharyngeal airway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201996947U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104941042A (en) * | 2015-07-14 | 2015-09-30 | 谭峰 | Improved structure for nasopharyngeal airway |
| WO2017006117A1 (en) * | 2015-07-06 | 2017-01-12 | Venner Medical Technologies Sa | Oropharyngeal airway |
| CN107050607A (en) * | 2017-04-28 | 2017-08-18 | 浙江海圣医疗器械有限公司 | A kind of depth oxygen supply type nasopharyngeal airway |
| CN111053639A (en) * | 2019-12-10 | 2020-04-24 | 济南市儿童医院（山东大学齐鲁儿童医院） | Posterior naris blocking support |
| CN114767332A (en) * | 2022-04-18 | 2022-07-22 | 诺思凯科技(北京)有限公司 | Nasal cavity support and nasal cavity irrigation system |
-
2011
- 2011-03-23 CN CN2011200788897U patent/CN201996947U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017006117A1 (en) * | 2015-07-06 | 2017-01-12 | Venner Medical Technologies Sa | Oropharyngeal airway |
| CN104941042A (en) * | 2015-07-14 | 2015-09-30 | 谭峰 | Improved structure for nasopharyngeal airway |
| CN107050607A (en) * | 2017-04-28 | 2017-08-18 | 浙江海圣医疗器械有限公司 | A kind of depth oxygen supply type nasopharyngeal airway |
| CN111053639A (en) * | 2019-12-10 | 2020-04-24 | 济南市儿童医院（山东大学齐鲁儿童医院） | Posterior naris blocking support |
| CN114767332A (en) * | 2022-04-18 | 2022-07-22 | 诺思凯科技(北京)有限公司 | Nasal cavity support and nasal cavity irrigation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20170323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |