CN204485006U - A kind of first aid type inflatable nasopharyngeal air duct - Google Patents
A kind of first aid type inflatable nasopharyngeal air duct Download PDFInfo
- Publication number
- CN204485006U CN204485006U CN201520167179.XU CN201520167179U CN204485006U CN 204485006 U CN204485006 U CN 204485006U CN 201520167179 U CN201520167179 U CN 201520167179U CN 204485006 U CN204485006 U CN 204485006U
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- air duct
- tube chamber
- ventilation tube
- strutting arrangement
- nasopharyngeal air
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Abstract
This utility model provides a kind of first aid type inflatable nasopharyngeal air duct, comprises respirator interface and ventilation tube chamber, and described respirator interface is connected to ventilation tube chamber and is positioned at one end outside nasal cavity; Also comprise bracing or strutting arrangement, described bracing or strutting arrangement comprises the blow vent, valve and the passage that connect successively; Described passage is close to ventilation tube chamber.This utility model provides a kind of new nasopharyngeal air duct, by increasing bracing or strutting arrangement, effectively preventing airway from being squeezed by choana flat, ensure that effective ventilation; Further, this device scientific offering air bag, after the airbag aeration of nasopharyngeal air duct near-end, can effectively close pharyngeal cavity, esophagus opening, and only open glottis mouth, sets up effective artificial airway.This utility model apparatus structure is simple, by force functional, realistic application demand, avoid nasopharyngeal air duct front end and stimulate epiglottis and glottis, avoiding patient reflux occurs and inhales by mistake, reducing because using nasopharyngeal air duct to bring out laryngospasm, threaten the situation of patients ' lives safety to occur.
Description
Technical field
This utility model relates to medical auxiliary apparatus, more specifically, relates to a kind of nasopharyngeal air duct.
Background technology
At present in cardio-pulmonary-cerebral resuscitation first aid; often run into the patient of gnathospasma with difficult airway; the people of stupor usually can cause airway obstruction because of glossoptosis; often rescue opportunity is delayed because of tracheal intubation process of establishing difficulty during this type of patient rescues; ran into this type of patient in the past; often there is the complication such as tooth sled falls, pharyngeal cavity is hemorrhage, edema in rescue process; and because of tracheal intubation difficulty larger; Chang Wufa successfully sets up air flue at short notice; easily miss gold rescue time, cause cardio-pulmonary-cerebral resuscitation failure or leave complication.Therefore, artificial airway is successfully set up at short notice extremely important.
The cylindrical tube of the slightly radian that nasopharyngeal air duct is generally made up of soft silica gel and plastic material, structure is simple, and tube wall is thinner and soft, is usually easy to be squeezed flat impact ventilation by choana.And existing nasopharyngeal air duct is comparatively large with the friction of nasal cavity in the process inserted, and not only operating difficulties, returns patient and bring discomfort.
Further, existing nasopharyngeal air duct front end stimulates epiglottis and glottis, easily makes patient reflux occur and inhale by mistake, causes aspiration pneumonitis, also can bring out laryngospasm, threaten patients ' lives safety.
Utility model content
The technical problems to be solved in the utility model is the technological deficiency for existing nasopharyngeal air duct, provides one can set up air flue fast, can prevent the first aid type inflatable nasopharyngeal air duct be crowded flat.
This utility model, on the basis solved the problems of the technologies described above, is optimized structure further, provides a kind of type inflatable nasopharyngeal air duct, and its front end can not stimulate epiglottis and the glottis of patient.
Above-mentioned purpose of the present utility model is achieved by the following technical programs:
There is provided a kind of nasopharyngeal air duct, comprise respirator interface and ventilation tube chamber, described respirator interface is connected to ventilation tube chamber and is positioned at side outside nasal cavity; Also comprise bracing or strutting arrangement, described bracing or strutting arrangement comprises the blow vent, valve and the passage that connect successively; Described passage is close to ventilation tube chamber.Breather cavity wall has bracing or strutting arrangement to support, and by the appropriate inflation in passage, forms certain pressure, effectively can prevent ventilation tube chamber from being flattened by choana, ensure that the effective ventilation in ventilation tube chamber.Based on rational structure, this device has the ability of bearing certain intensity, again because the reason of inflation makes device have certain flexibility, when ensureing that ventilation tube chamber is not crushed, insert in the process of nasal cavity, reduce friction and damage that upper respiratory tract is caused.
Preferably, described bracing or strutting arrangement also comprises air bag, and described ventilation tube chamber one end connects respirator interface, and the other end connects described air bag, and namely described air bag is near described ventilation tube chamber front end place; Described air bag communicates with described passage.After the airbag aeration of nasopharyngeal air duct near-end, can effectively close pharyngeal cavity, esophagus opening, only open glottis mouth, set up effective artificial airway, the setting of air bag effectively prevent nasopharyngeal air duct front end stimulates epiglottis and glottis, avoiding patient reflux occurs and inhales by mistake, reducing because using nasopharyngeal air duct to bring out laryngospasm, threaten the situation of patients ' lives safety to occur.
Preferably, the inwall of described bracing or strutting arrangement and described ventilation tube chamber is close to.By bracing or strutting arrangement arrange with breather cavity wall, bracing or strutting arrangement can be increased on the basis of existing ventilation tube chamber and can not increase ventilation tube chamber external diameter.
Preferably, described blow vent stretches out from the sidewall of described ventilation tube chamber.Blow vent being arranged at sidewall makes bracing or strutting arrangement keep apart with ventilation tube chamber, does not influence each other when inserting nasopharyngeal air duct.
The beneficial effects of the utility model are as follows:
A kind of nasopharyngeal air duct described in the utility model, structure is simple, by force functional; This nasopharyngeal air duct, by increasing bracing or strutting arrangement, effectively prevents from being flattened by choana, ensure that effective ventilation; This device has certain intensity, also has certain flexibility, when ensureing that ventilation tube chamber is not crushed, inserting in the process of nasal cavity and can not cause extra damage to upper respiratory tract.Further, also comprise air bag, after the airbag aeration of nasopharyngeal air duct near-end, can effectively close pharyngeal cavity, esophagus opening, only open glottis mouth, set up effective artificial airway, realistic application demand, avoiding nasopharyngeal air duct front end stimulates epiglottis and glottis, avoids patient reflux occurs and inhales by mistake, reducing because using nasopharyngeal air duct to bring out laryngospasm, threatening the situation of patients ' lives safety to occur.
Accompanying drawing explanation
Fig. 1 is this utility model preferred embodiment schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that this utility model can be defined by the claims and cover is implemented.This utility model embodiment accompanying drawing, only for exemplary illustration, can not be interpreted as restriction of the present utility model.To those skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.
embodiment
1
As shown in Figure 1, this utility model provides a kind of first aid type inflatable nasopharyngeal air duct, comprises respirator interface 1 and ventilation tube chamber 2, and described respirator interface 1 is connected to ventilation tube chamber 2 and is positioned at side outside nasal cavity; Also comprise bracing or strutting arrangement, described bracing or strutting arrangement comprises the blow vent 31, valve 32, passage 33 and the air bag 34 that connect successively; Described passage 33 is close to ventilation tube chamber 2, and described air bag 34 communicates with described passage 33 near described ventilation tube chamber 2 front end place.Pass into appropriate gas in passage, ensure that passage capable of being bears certain pressure and has certain pliability.Ventilation tube chamber 2 inwall has bracing or strutting arrangement to support, and effectively can prevent from being flattened by choana, ensure that effective ventilation in artificial airway.This device improves the ability of bearing pressure by ventilation, have certain flexibility, when ensureing that ventilation tube chamber is not crushed, inserting in the process of nasal cavity and can not cause extra damage to upper respiratory tract.After air bag 34 inflation of nasopharyngeal air duct near-end, can effectively close pharyngeal cavity, esophagus opening, only open glottis mouth, set up effective artificial airway, avoid nasopharyngeal air duct front end and stimulate epiglottis and glottis, avoiding patient reflux occurs and inhales by mistake, reducing because using nasopharyngeal air duct to bring out laryngospasm, threaten the situation of patients ' lives safety to occur.
Described bracing or strutting arrangement and described ventilation tube chamber 2 inwall are close to.Bracing or strutting arrangement is arranged and ventilation tube chamber 2 inwall, bracing or strutting arrangement can be increased on the basis of existing ventilation tube chamber and the external diameter of ventilation tube chamber can not be increased.
Described blow vent 31 stretches out from described ventilation tube chamber 2 sidewall.Blow vent 31 being arranged at sidewall makes bracing or strutting arrangement keep apart with ventilation tube chamber 2, does not influence each other when inserting nasopharyngeal air duct.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included in of the present utility model comprising within scope.
Claims (4)
1. a first aid type inflatable nasopharyngeal air duct, comprises respirator interface and ventilation tube chamber, and described respirator interface is connected to ventilation tube chamber and is positioned at side outside nasal cavity; It is characterized in that, also comprise bracing or strutting arrangement, described bracing or strutting arrangement comprises the blow vent, valve and the passage that connect successively; Described passage is close to ventilation tube chamber.
2. first aid type inflatable nasopharyngeal air duct according to claim 1, it is characterized in that, described bracing or strutting arrangement also comprises air bag, and described ventilation tube chamber one end connects respirator interface, and the other end connects described air bag; Described air bag communicates with described passage.
3. first aid type inflatable nasopharyngeal air duct according to claim 1, it is characterized in that, the inwall of described bracing or strutting arrangement and described ventilation tube chamber is close to.
4. first aid type inflatable nasopharyngeal air duct according to claim 1, it is characterized in that, described blow vent stretches out from the sidewall of described ventilation tube chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520167179.XU CN204485006U (en) | 2015-03-24 | 2015-03-24 | A kind of first aid type inflatable nasopharyngeal air duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520167179.XU CN204485006U (en) | 2015-03-24 | 2015-03-24 | A kind of first aid type inflatable nasopharyngeal air duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204485006U true CN204485006U (en) | 2015-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520167179.XU Expired - Fee Related CN204485006U (en) | 2015-03-24 | 2015-03-24 | A kind of first aid type inflatable nasopharyngeal air duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204485006U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109011079A (en) * | 2018-09-27 | 2018-12-18 | 中国医学科学院北京协和医院 | A kind of transnasal trachea catheter (double cuff) |
| CN116747401A (en) * | 2023-06-26 | 2023-09-15 | 中国人民解放军总医院第一医学中心 | Novel high-flow humidifying therapeutic instrument joint |
-
2015
- 2015-03-24 CN CN201520167179.XU patent/CN204485006U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109011079A (en) * | 2018-09-27 | 2018-12-18 | 中国医学科学院北京协和医院 | A kind of transnasal trachea catheter (double cuff) |
| CN116747401A (en) * | 2023-06-26 | 2023-09-15 | 中国人民解放军总医院第一医学中心 | Novel high-flow humidifying therapeutic instrument joint |
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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: 20150722 Termination date: 20160324 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |