Oropharyngeal airway

Abstract

The utility model relates to an oropharynx airway which comprises a seaming body and an oropharynx tube. The seaming main body and the oropharynx tube are of an integrally formed structure; a channel for an endoscope to pass through is formed in the seaming main body; a connecting pipe is arranged on the side, away from the oropharynx tube, of the bite body, and the connecting pipe penetrates through the bite body to be communicated with the oropharynx tube. A connector is detachably mounted on the connecting pipe; an oxygen supply connector and a carbon dioxide monitoring port are arranged on the two sides of the connector respectively; according to the utility model, the structure is simple, the design is ingenious, the periphery of the seaming main body is of an arc-shaped structure, the comfort of a patient during examination is improved, meanwhile, the arranged through hole and the channel are separately arranged, ventilation and smooth entry of a detection instrument are ensured, the material is a TPE soft material, local seaming support is realized, the comfort is improved, and the support degree is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical device accessories, and in particular relates to an oropharyngeal airway. Background Art

[0002] In the medical industry, oropharyngeal airways are frequently used for digestive tract and respiratory system examinations and treatments. Oropharyngeal airways, also known as oropharyngeal vents, are non-invasive, supraglottic ventilation tubes that prevent tongue retraction and rapidly open the airway for effective ventilation.

[0003] When examining or treating the patient's upper gastrointestinal tract or respiratory system, the patient is required to bite the mouth opener to prevent the patient from biting the soft endoscope inserted into the mouth. Currently, the mouthpiece used for ordinary endoscopic examinations only has one endoscope lumen, which allows the endoscope to pass freely while protecting the endoscope. It does not have the function of supplying and collecting carbon dioxide, cannot monitor the patient's end-tidal carbon dioxide concentration, cannot detect ventilation abnormalities in time, and is relatively unsafe.

[0004] In view of the above problems, it is necessary to improve them. Utility Model Content

[0005] The purpose of the utility model is to provide an oropharyngeal airway with a simple structure and ingenious design, which can not only prevent tongue biting, but also collect carbon dioxide exhaled in the patient's mouth, monitor more accurately, and supply oxygen to the patient.

[0006] In order to achieve the above objectives, the technical solution adopted by the present invention is: an oropharyngeal airway, comprising a bite body and an oropharyngeal tube; the bite body and the oropharyngeal tube are an integrally formed structure; a channel for the passage of an endoscope is formed on the bite body; a connecting tube is arranged on the side of the bite body away from the oropharyngeal tube, and the connecting tube passes through the bite body and is connected to the oropharyngeal tube; a detachable joint is installed on the connecting tube; an oxygen supply joint and a carbon dioxide monitoring port are respectively provided on both sides of the joint.

[0007] As a preferred solution of the present invention, the mouthpiece body is provided with a through hole connected to the oropharyngeal tube, and the through hole is arranged horizontally with the channel.

[0008] As a preferred solution of the present invention, the oropharyngeal tube has a curved arc structure.

[0009] As a preferred solution of the present invention, at least one air hole is provided on the side wall of the end portion of the oropharyngeal tube, and the air hole is communicated with the oropharyngeal tube.

[0010] As a preferred solution of the present invention, a plurality of air holes are provided on the side wall of the end portion of the oropharyngeal tube, and the plurality of air holes are equidistantly arranged along the circumference of the oropharyngeal tube.

[0011] As a preferred solution of the present invention, an annular baffle is provided at one end of the mouthpiece body away from the oropharyngeal tube.

[0012] As a preferred solution of the present invention, the area of ​​the annular baffle is larger than the channel area of ​​the endoscope.

[0013] As a preferred solution of the present invention, both ends of the annular baffle are respectively provided with limiting holes; and elastic straps are movably connected to the limiting holes.

[0014] As a preferred solution of the present invention, the carbon dioxide monitoring port is equipped with a detachable carbon dioxide collection tube, which is communicated with the carbon dioxide monitoring port for connecting a monitoring device to monitor the carbon dioxide flowing out of the carbon dioxide monitoring port.

[0015] As a preferred solution of the present invention, the mouthpiece body and the oropharyngeal tube are made of TPE soft material.

[0016] The beneficial effects of the utility model are:

[0017] 1. The utility model has a simple structure and ingenious design. The periphery of the bite body is an arc-shaped structure, which improves the comfort of the patient during examination. At the same time, the through holes and channels are set separately to ensure the smooth entry of ventilation and detection equipment. Moreover, the material will be selected from TPE soft material, with local bite support, which increases comfort while ensuring support.

[0018] 2. The utility model is cleverly designed. The oropharyngeal tube is designed with a curved arc structure, which can ensure that the oropharyngeal tube can smoothly enter the throat while ensuring carbon dioxide function monitoring and oxygen supply. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of an oropharyngeal airway structure according to Example 1 of the present utility model;

[0020] Figure 2 This is a front view of an oropharyngeal airway in Example 1 of the present utility model;

[0021] Figure 3 For the utility model embodiment 1 Figure 2 AA section view;

[0022] Figure 4 This is a diagram of an oropharyngeal airway in use according to Example 1 of the present utility model;

[0023] Figure 5 This is a schematic diagram of the main structure of the bite mouth of Example 2 of the present utility model.

[0024] Explanation of the accompanying reference numerals: mouthpiece body 1, oropharyngeal tube 2, channel 3, annular baffle 4, connecting tube 5, connector 6, oxygen supply connector 7, carbon dioxide monitoring port 8, carbon dioxide collection tube 9, through hole 10, air hole 20, limiting hole 40, elastic strap 41. DETAILED DESCRIPTION

[0025] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0026] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0027] Example 1:

[0028] like Figure 1-3 As shown, Figure 1 This is a schematic diagram of the structure of an oropharyngeal airway of the utility model; Figure 2 This is a front view of an oropharyngeal airway of the utility model; Figure 3 For this utility model Figure 2 AA cross-sectional view.

[0029] An oropharyngeal airway comprises a mouthpiece body 1 and an oropharyngeal tube 2; the mouthpiece body 1 and the oropharyngeal tube 2 are an integrally formed structure; a channel 3 for an endoscope to pass through is formed on the mouthpiece body 1; a connecting tube 5 is arranged on the side of the mouthpiece body 1 away from the oropharyngeal tube 2, and the connecting tube 5 passes through the mouthpiece body 1 and is connected to the oropharyngeal tube 2; a joint 6 is detachably mounted on the connecting tube 5; an oxygen supply joint 7 and a carbon dioxide monitoring port 8 are respectively provided on both sides of the joint 6; a carbon dioxide collection tube 9 is detachably mounted on the carbon dioxide monitoring port 8, and the carbon dioxide collection tube 9 is communicated with the carbon dioxide monitoring port 8 for connection Connect the monitoring equipment to monitor the carbon dioxide flowing out of the carbon dioxide monitoring port 8; it is convenient to connect with the ventilator for end-tidal carbon dioxide monitoring for real-time monitoring; by adopting the above device, through the collection and monitoring of the end-tidal carbon dioxide in the patient's mouth, the patient's ventilation and oxygen supply effect can be monitored in real time, ventilation abnormalities can be discovered in time, the risk of respiratory depression can be reduced, and the safety of patient ventilation can be improved; at the same time, the bite body can protect the endoscope from being damaged by the patient's bite, and at the same time the bite body is fixed, so it will not be placed too deep or slip out of the patient's mouth, prevent displacement, facilitate the operation of the endoscopist, and greatly improve the convenience.

[0030] like Figure 4 As shown, this is a diagram of the use status of an oropharyngeal airway of the present invention; an oxygen pipeline is connected to the oxygen supply connector 7, and the oxygen pipeline includes an oxygen branch pipe 12, an adapter 14, an oxygen pipe 15 and an oxygen connector 16, and the oxygen branch pipe 12, the adapter 14, the oxygen pipe 15 and the oxygen connector 16 are connected in sequence, and the oxygen branch pipe 12 is connected to the oxygen supply connector 7; there are two oxygen branch pipes 12, and the adapter 14 is a tee, which is used to connect the two oxygen branch pipes 12 and the oxygen pipe 15, and a carbon dioxide collection pipe is connected to the carbon dioxide collection pipe 9, and the carbon dioxide collection pipe includes a monitoring connector 17 and a monitoring pipe 18, one end of the monitoring pipe 18 is connected to the carbon dioxide collection pipe 9, and the other end is connected to the monitoring connector 17.

[0031] The mouthpiece body 1 is provided with a through hole 10 connected to the oropharyngeal tube 2, and the through hole 10 is arranged horizontally with the channel 3, thereby ensuring unimpeded access of ventilation and detection equipment, thereby improving safety of use.

[0032] The oropharyngeal tube 2 is a curved arc structure; the oropharyngeal tube can smoothly enter the throat while ensuring carbon dioxide function monitoring and oxygen supply.

[0033] A plurality of air holes 20 are provided on the side wall of the end of the oropharyngeal tube 2, and the plurality of air holes 20 are connected to the oropharyngeal tube 2; wherein the plurality of air holes 20 are arranged equidistantly along the circumference of the oropharyngeal tube 2; the provision of the plurality of air holes can increase the flow channel of oxygen and enhance the diffusion efficiency of oxygen to promote the oxygen delivery effect. At the same time, the adoption of the above-mentioned scheme can also prevent the blockage of the oropharyngeal tube, thereby ensuring the safety of use.

[0034] An annular baffle 4 is provided at one end of the mouthpiece body 1 away from the oropharyngeal tube 2, and the area of ​​the annular baffle 4 is larger than the area of ​​the endoscope channel 3; by adopting the above scheme, the endoscope channel is arranged in the middle of the annular baffle, which facilitates the insertion and removal of the endoscope.

[0035] Limiting holes 40 are respectively provided at both ends of the annular baffle 4; an elastic strap 41 is movably connected to the limiting hole 40; by adopting the above solution, the elastic strap can be inserted into the limiting hole, which facilitates fixing the bite body on the patient's head to prevent displacement or slipping.

[0036] The bite body 1 and the oropharyngeal tube 2 are made of TPE soft material; using the above solution, the bite body and the oropharyngeal tube are made of TPE soft material; due to the use of TPE soft material, the deformable arc-shaped oropharyngeal tube can be prevented from scratching the patient's esophagus. At the same time, the TPE soft bite body realizes local occlusal support, which increases comfort while ensuring support.

[0037] Example 2:

[0038] like Figure 5 As shown, Figure 5 This is a schematic diagram of the main structure of the mouthpiece of the present invention. An air hole 20 is provided on the side wall of the end of the oropharyngeal tube 2. The air hole 20 is connected to the oropharyngeal tube 2. The provision of the air hole 20 allows ventilation through the air hole 20 even if the oropharyngeal tube 2 is blocked, thereby ensuring safety in use.

[0039] For other contents of this embodiment, please refer to Example 1.

[0040] The above description of the disclosed embodiments will enable those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein, but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

[0041] Although this document frequently uses the following terms: mouthpiece body 1, oropharyngeal tube 2, channel 3, annular baffle 4, connecting tube 5, connector 6, oxygen supply connector 7, CO2 monitoring port 8, CO2 collection tube 9, through hole 10, air hole 20, limiting hole 40, elastic band 41, etc., the use of other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present invention; interpreting them as any additional limitations is contrary to the spirit of the present invention.

Claims

1. An oropharyngeal airway, characterized in that: The invention comprises a mouthpiece body (1) and an oropharyngeal tube (2); the mouthpiece body (1) and the oropharyngeal tube (2) are an integrally formed structure; a channel (3) for the passage of an endoscope is formed on the mouthpiece body (1); a connecting tube (5) is arranged on the side of the mouthpiece body (1) away from the oropharyngeal tube (2), and the connecting tube (5) passes through the mouthpiece body (1) and is connected to the oropharyngeal tube (2); a detachable joint (6) is installed on the connecting tube (5); an oxygen supply joint (7) and a carbon dioxide monitoring port (8) are respectively arranged on both sides of the joint (6).

2. An oropharyngeal airway according to claim 1, characterized in that: The mouthpiece body (1) is provided with a through hole (10) communicating with the oropharyngeal tube (2), and the through hole (10) and the channel (3) are arranged horizontally.

3. An oropharyngeal airway according to claim 1 or 2, characterized in that: The oropharyngeal tube (2) is in a curved arc structure.

4. An oropharyngeal airway according to claim 3, characterized in that: At least one air hole (20) is provided on the side wall of the end of the oropharyngeal tube (2), and the air hole (20) is connected to the oropharyngeal tube (2).

5. An oropharyngeal airway according to claim 3, characterized in that: A plurality of air holes (20) are arranged on the side wall of the end of the oropharyngeal tube (2), and the plurality of air holes (20) are arranged at equal intervals along the circumference of the oropharyngeal tube (2).

6. An oropharyngeal airway according to claim 1, characterized in that: An annular baffle (4) is provided at one end of the mouthpiece body (1) away from the oropharyngeal tube (2).

7. An oropharyngeal airway according to claim 6, characterized in that: The area of ​​the annular baffle (4) is larger than the area of ​​the channel (3) of the endoscope.

8. An oropharyngeal airway according to claim 7, characterized in that: The two ends of the annular baffle (4) are respectively provided with limiting holes (40); and the limiting holes (40) are movably connected to elastic binding bands (41).

9. An oropharyngeal airway according to claim 1, characterized in that: The carbon dioxide monitoring port (8) is equipped with a detachable carbon dioxide collection tube (9), and the carbon dioxide collection tube (9) is in communication with the carbon dioxide monitoring port (8) so as to be connected to a monitoring device to monitor the carbon dioxide flowing out of the carbon dioxide monitoring port (8).

10. An oropharyngeal airway according to claim 1, characterized in that: The mouthpiece body (1) and the oropharyngeal tube (2) are made of TPE soft material.

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