Nasopharynx breather pipe
By designing an annular protective layer, limiting patch, and film structure on the nasopharyngeal airway, the problems of lubricant oxidation and unadjustable extrusion volume are solved, achieving uniform application of lubricant and cost reduction, which facilitates field use and large-scale production.
Patent Information
- Application Number
- CN202422437435.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-10-10
AI Technical Summary
When existing nasopharyngeal airways are used in field environments, the lubricant is prone to oxidation and failure, the extrusion volume cannot be adjusted, and the structure is complex, resulting in inconvenience and waste.
A nasopharyngeal airway was designed, comprising an annular protective layer, a limiting patch, and a film structure. The lubricant is carried by a sponge ring, the lubricant extrusion amount is adjusted by the limiting patch, and the film and annular protective layer isolate the external environment to protect the lubricant from oxidation.
It achieves uniform application of lubricant in field environments, reduces waste, improves efficiency, lowers costs, and facilitates large-scale production and promotion.
Smart Images

Figure CN223846053U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical equipment technical field, concretely relates to a nasopharyngeal airway. BACKGROUND
[0002] In the clinical medical process, the patient who is not completely clearheaded during the anesthesia process and after anesthesia cannot keep the respiratory tract unobstructed, needs to use the nasopharyngeal airway to keep the respiratory tract unobstructed. The nasopharyngeal airway is a kind of airway for communicating with the outside, and solves the problem of air communication between the patient and the outside. Usually when using the nasopharyngeal airway, first tear the outer package, then apply the lubricating liquid to the surface of the nasopharyngeal airway to facilitate insertion into the nasal cavity.
[0003] But in the process of field operation, when the wounded person needs the nasopharyngeal airway to keep breathing, the lubricating liquid needs to be applied to the surface of the nasopharyngeal airway. Because of the special environment in the field, the nasopharyngeal airway with lubricating liquid applied to it is easy to slip and fall, and the environment in the field is special, which causes a lot of waste. The nasopharyngeal airway on the market is generally packaged separately from the lubricant, and the lubricant must be used for normal use of the nasopharyngeal airway, so it is time-consuming to use the nasopharyngeal airway when needed in the field.
[0004] The Chinese patent with publication number CN210186204U discloses a convenient-to-use nasopharyngeal tube, which comprises a nasopharyngeal tube and a lubricating sleeve, characterized in that the lubricating sleeve is sleeved on the outer wall of the nasopharyngeal tube, the lubricating sleeve is a hollow cylindrical structure, a circular through hole penetrating through the two bottom surfaces is formed along the central axis of the hollow cylindrical structure, the diameter of the circular through hole is equal to the diameter of the nasopharyngeal tube, a plurality of annularly distributed notches are formed on the edge of the circular through hole of the two bottom surfaces, the number of the notches is not less than twelve, and the lubricating sleeve contains lubricating oil. Although the patent product initially solves the problem of inconvenient use of the nasopharyngeal airway in the field environment, it still has the following defects:
[0005] 1) The paraffin lubricating oil is not sealed and stored, and there is a problem that it will be oxidized and lose effectiveness slowly due to long-term heating or light;
[0006] 2) The amount of lubricant required when inserting the nasopharyngeal airway into the nasal cavity is not the same for different wounded persons, but the patent product cannot adjust the extrusion amount of the lubricating oil;
[0007] 3) The structure is complex, the cost is high, and it is not conducive to large-scale promotion. CONTENT OF THE UTILITY MODEL
[0008] The utility model provides a nasopharyngeal airway, which aims to solve the problems of long-term storage, uncontrolled extrusion amount and complex structure in the prior art through the annular protective layer, the limiting sticker and the film structure.
[0009] To achieve the above-mentioned purpose, the technical scheme of the utility model is:
[0010] The utility model provides a nasopharyngeal airway, include:
[0011] Nasopharyngeal airway body;
[0012] Lubricating module, the pharyngeal end of nasopharyngeal airway body is movably sleeved;
[0013] Protection module, including annular protective layer, limit paste and film, the annular protective layer is sleeved in the outer circumferential side of lubricating module, the limit paste includes movable end and fixed end of free activity and fixed on the annular protective layer, the movable end can be pasted on the fixed end, the film is arranged respectively in both ends of the annular protective layer, is used for sealing lubricating module.
[0014] Further, the nasopharyngeal airway body includes a nasal end, a tube portion, and a pharyngeal end, the nasal end, the tube portion, and the pharyngeal end are integrally formed and in communication with each other.
[0015] Further, the nasal end is a horn-shaped structure.
[0016] Further, the lubricating module includes a sponge ring and a lubricant, the sponge ring is sleeved on the pharyngeal end of the nasopharyngeal airway body and is in interference fit with the nasopharyngeal airway body, and the lubricant is soaked in the sponge ring.
[0017] Further, the movable end of the limit paste is provided with a hook surface of magic tape on one side, and the other side of the limit paste is provided with a nap surface of magic tape.
[0018] Further, the movable end of the limit paste is provided with a glue layer on one side, the glue layer is provided with isolation paper, and the other side of the limit paste is a frosted surface.
[0019] The utility model discloses the beneficial effects reached are:
[0020] The utility model discloses the pharyngeal end place self -carrying lubricant, when using under field environment, tears open outer package, need not using lubricant separately and smears on the surface of nasopharyngeal airway, holds protection module with hand, starts using from the pharyngeal end place, breaks through film and starts to enter the nasal cavity, the whole lubricating device and nasopharyngeal airway relative displacement, more evenly smears lubricant on nasopharyngeal airway, until the pharyngeal end place tears open and throws away lubricant, guarantees that lubricant evenly smears in the whole use process;
[0021] The field environment is generally extremely harsh, and the lubricant used by the nasopharyngeal airway is mainly paraffin oil, which is a by-product in the process of manufacturing gasoline through fractionating petroleum and petroleum raw materials. The paraffin oil is soluble in diethyl ether, petroleum ether and volatile oil, and is miscible with most non-volatile oils (except castor oil), and is insoluble in water and ethanol. The paraffin oil is stable to light and heat, but will be slowly oxidized under long-time heating or light. The utility model is protected by a layer from the outside, so that the lubricant is protected from denaturation or oxidation even under the environment of high light and low temperature.
[0022] In the field operation, the medical environment and medical facilities are not perfect, and the required amount of lubricant for inserting the nasopharyngeal airway into the nasal cavity is different for different wounded persons. If the lubricant is not uniformly applied or the amount of lubricant is not enough during the nasopharyngeal airway process, the process is interrupted, which affects the operation efficiency and causes waste. The attached lubricant of the utility model can adjust the required amount of lubricant on the surface of the nasopharyngeal airway according to the actual use condition, and the efficiency is further improved.
[0023] The utility model has simple overall structure, no complex structure, facilitates mass production, can greatly reduce cost and is convenient for promotion. BRIEF DESCRIPTION OF DRAWINGS
[0024] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the structure shown in the drawings without paying creative labor for those skilled in the art.
[0025] Fig. 1 It is the overall structure schematic diagram of the utility model.
[0026] Fig. 2 It is the section structure schematic diagram of the utility model.
[0027] Fig. 3 It is the lateral view of the pharyngeal end of the utility model.
[0028] Fig. 4 It is the front view of the limiting sticker of the utility model.
[0029] In the drawing, 1, nasopharyngeal airway body;11, nasal end;12, tube part;13, pharyngeal end;2, lubricating module;21, sponge ring;22, lubricant;3, protection module;31, annular protective layer;32, limiting sticker;321, movable end;322, fixed end;33, film. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.
[0031] It should be noted that if the embodiments of the present utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.
[0032] In addition, if the embodiments of the present utility model involve descriptions of "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text is that it includes three parallel schemes, taking "A and / or B" as an example, which includes A scheme, or B scheme, or A and B schemes. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present utility model.
[0033] As shown in Figs. 1-4 The present utility model provides a nasopharyngeal airway, which comprises:
[0034] a nasopharyngeal airway body 1;
[0035] a lubricating module 2 movably sleeved at the pharyngeal end 13 of the nasopharyngeal airway body 1;
[0036] a protection module 3 comprising an annular protective layer 31, a limiting sticker 32 and a film 33; the annular protective layer 31 is sleeved at the outer circumferential side of the lubricating module 2; the limiting sticker 32 comprises a freely movable movable end 321 and a fixed end 322 fixed on the annular protective layer 31, and the movable end 321 can be pasted on the fixed end 322; the film 33 is arranged at both ends of the annular protective layer 31 respectively, and is used for sealing the lubricating module 2.
[0037] The nasopharyngeal airway body 1 comprises a nose end 11, a tube part 12 and a pharyngeal end 13, which are integrally formed and communicate with each other; the nose end 11 is a horn-shaped structure, which is convenient to fix near the nostril and prevent being inserted into the nostril completely.
[0038] The lubricating module 2 serves as a carrier of the lubricant 22, comprising a sponge ring 21 and the lubricant 22; the sponge ring 21 is sleeved on the pharyngeal end 13 of the nasopharyngeal airway body 1 and is in interference fit with the nasopharyngeal airway body 1; the lubricant 22 is soaked in the sponge ring 21 and is liquid paraffin or the like; because the sponge has a certain elasticity, even if the interference fit is arranged, it will not hinder the movement of the sponge ring 21, but can make the lubricant 22 fully and uniformly coated on the nasopharyngeal airway body 1.
[0039] The protection module 3 separates the lubricating module 2 from the outside, comprising a ring-shaped protective layer 31, a limiting sticker 32 and a film 33; one side of the ring-shaped protective layer 31 is bonded with the lubricating module 2 and the other side is exposed to the air, which not only plays a role of air isolation and reduces the volatilization of the lubricant 22, but also facilitates the movement of the lubricating module 2 and the use of the nasopharyngeal airway body 1 by the operator during use.
[0040] The limiting sticker 32 is divided into left and right parts, one side is a movable end 321 and the other side is a fixed end 322 fixed on the ring-shaped protective layer 31; the movable end 321 is used to wrap the fixed end 322 to tighten the lubricating module 2 and adjust the extrusion amount of the lubricant 22.
[0041] One side of the movable end 321 of the limiting sticker 32 is provided with a hook surface of a magic sticker and the other side is provided with a hair surface of the magic sticker, which cooperate with each other to fix the movable end 321.
[0042] One side of the movable end 321 of the limiting sticker 32 is provided with a glue layer, which is provided with a release paper; the other side of the limiting sticker 32 is a frosted surface; when used, the release paper is torn off to fix the movable end 321.
[0043] For different wounded, the required amount of lubricant 22 is not the same when the nasopharyngeal airway is inserted into the nasal cavity; therefore, during use, the movable end 321 is wrapped and pasted on the fixed end 322, and the extrusion amount of the lubricant 22 is controlled by controlling the tightness of the wrapping according to the actual situation.
[0044] In addition, after the nasopharyngeal airway body 1 enters the nasal cavity to the appropriate position, the protection module 3 is removed to reduce the weight.
[0045] The film 33 is a disposable film 33, arranged on both sides of the annular protective layer 31, for sealing the lubricating module 2; specifically, on the outermost side of the annular protective layer 31, the film 33 completely covers to achieve sealing; on the inner side of the annular protective layer 31, the film 33 is annular, one side edge is sealingly connected with the annular protective layer 31, and the other side edge is sealingly connected with the nasopharyngeal airway body 1. The film 33 is in a complete state when not in use, and plays a protective role on the lubricant 22. When in use, the nasopharyngeal airway body 1 moves relative to the lubricating module 2 and the protective module 3, and the pharyngeal end 13 breaks through the film 33 and enters the nasal cavity.
[0046] The above is only an optional embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation made by using the content of the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection range of the present application.
Claims
1. A nasopharyngeal airway, comprising: The utility model relates to a nasal pharynx ventilation tube, which comprises: a nasal pharynx ventilation tube body (1); a lubricating module (2) movably sleeved at the pharynx end (13) of the nasal pharynx ventilation tube body (1); a protective module (3) comprising an annular protective layer (31), a limiting sticker (32) and a film (33); the annular protective layer (31) is sleeved at the outer circumferential side of the lubricating module (2); the limiting sticker (32) comprises a freely movable movable end (321) and a fixed end (322) fixed on the annular protective layer (31), and the movable end (321) can be attached to the fixed end (322); the film (33) is arranged at both ends of the annular protective layer (31) respectively, and is used for sealing the lubricating module (2).
2. A nasopharyngeal airway as in claim 1, wherein: The nasal pharynx ventilation tube body (1) comprises a nasal end (11), a tube part (12) and a pharynx end (13), and the nasal end (11), the tube part (12) and the pharynx end (13) are integrally formed and communicate with each other.
3. A nasopharyngeal airway as in claim 2, wherein: The nasal end (11) is a horn-shaped structure.
4. A nasopharyngeal airway as in claim 1, wherein: The lubricating module (2) comprises a sponge ring (21) and a lubricant (22); the sponge ring (21) is sleeved at the pharynx end (13) of the nasal pharynx ventilation tube body (1) and is in interference fit with the nasal pharynx ventilation tube body (1); and the lubricant (22) is soaked in the sponge ring (21).
5. A nasopharyngeal airway as in any one of claims 1-4, wherein: The movable end (321) of the limiting sticker (32) is provided with a hook surface of a magic sticker on one side, and the other side of the limiting sticker (32) is provided with a nap surface of the magic sticker.
6. A nasopharyngeal airway as in any one of claims 1-4, wherein: The movable end (321) of the limiting sticker (32) is provided with a glue layer on one side, the glue layer is provided with release paper, and the other side of the limiting sticker (32) is a frosted surface.
Citation Information
Patent Citations
Nasopharyngeal tube convenient to use
CN210186204U