Special oropharyngeal airway for gastroscope and fixing device

By designing a gastroscopy-specific oropharyngeal airway and fixing device that adapts to the oral arc, the problem of inconvenience in the prior art is solved, and higher comfort and safety is achieved, and it is suitable for a variety of patient groups.

CN222549178UActive Publication Date: 2025-03-04SHANGHAI EAST HOSPITAL EAST HOSPITAL TONGJI UNIV SCHOOL OF MEDICINE
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420865116.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2025-03-04
Estimated Expiration
2034-04-24

AI Technical Summary

Technical Problem

The existing oropharyngeal airway and fixation devices for gastroscopy are inconvenient to use under certain conditions, especially for obese patients or patients with limited head and neck movement. The effect of opening the airway is poor, and the nasal structure causes failure to place or severe nose bleeding, and the tool cannot be extended into the airway and gastroscopy at the same time.

Method used

A special oropharyngeal ventilation channel for gastroscopy is designed, including the first oral ventilation pipe, the second oral ventilation pipe and the connecting plate. It adopts an arc-shaped design and plastic material, has the ability to bending and deform, forms a gastroscopy channel, and is equipped with a sealing plate and an oxygen-absorbing tube interface in the ventilation pipe, allowing the nasal oxygen tube to directly supply oxygen. The fixing device ensures the stability of the ventilation duct through the mouthpiece, gasket, fixing buckle and fixing strap.

Benefits of technology

This design improves the comfort and safety of gastroscopy, reduces the incidence of hypoxemia and oropharyngeal injury, and is suitable for patients of different ages and oral structures. It is simple to operate, easy to assemble, and has a high cost-effectiveness.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222549178U_ABST
    Figure CN222549178U_ABST
Patent Text Reader

Abstract

The utility model belongs to the field of medical instruments, particularly relates to a special oropharyngeal airway for a gastroscope and a fixing device, and provides the following scheme aiming at the problems that various existing airway opening methods and tools are limited under certain conditions and the use of gastroscopy is influenced: the special oropharyngeal airway comprises a first oral cavity airway and a second oral cavity airway, the oral cavity ventilation device is simple in structure and convenient to assemble, a doctor can rapidly install and fix the oral cavity ventilation device for a patient, the operation difficulty and workload of the doctor are reduced, meanwhile, materials and structural design adopted by the oral cavity ventilation device are relatively simple, the manufacturing cost is low, and the oral cavity ventilation device is suitable for popularization and application. Therefore, the gastroscope has high cost performance and good adaptability and stability, is suitable for patients of different age groups and oral cavity structures, improves the comfort and safety of gastroscopy, reduces the occurrence rate of complications, and has wide application range and popularization value.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to an oropharyngeal airway and a fixing device dedicated to a gastroscope. Background Art

[0002] Gastroscopy is a method of examination in Western medicine, and also refers to the instrument used for this examination. Gastroscopy can directly observe the true condition of the examined area, and can further clarify the diagnosis by performing pathological biopsy and cytological examination on suspected lesions. It is the preferred examination method for upper gastrointestinal tract lesions. When doing gastroscopy, an oropharyngeal airway is required to assist in gastroscopy. It can mainly reduce the incidence of hypoxemia, reduce oropharyngeal damage, and increase the ease of gastroscope insertion.

[0003] However, there are still some shortcomings in the actual use of the existing gastroscope-specific oropharyngeal airway and fixation device:

[0004] 1. When doing a gastroscopy, the airway needs to be opened. When the airway is opened by manipulation, the effect of the manual opening is poor when the patient is obese or the movement of the head and neck is limited; when the airway is inserted by using a nasopharyngeal airway tool, severe nose bleeding may occur or insertion failure may occur due to nasal structure reasons; and when the airway is opened by using an oropharyngeal airway tool, it can be inserted into the interior of the airway, but the gastroscope cannot be inserted into the interior at the same time, which is not convenient to use. Utility Model Content

[0005] The utility model aims to solve the problem that various methods and tools for opening the airway in the prior art are limited under certain conditions, thus affecting the use of gastroscopy, and proposes a special oropharyngeal airway and fixing device for gastroscopy.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An oropharyngeal airway dedicated to a gastroscope comprises a first oral ventilation pipe and a second oral ventilation pipe, a connecting plate is provided between the first oral ventilation pipe and the second oral ventilation pipe, and the first oral ventilation pipe, the second oral ventilation pipe and the connecting plate are in an arc shape that adapts to the oral cavity, the first oral ventilation pipe, the second oral ventilation pipe and the connecting plate are made of plastic and can be bent and deformed appropriately, a gastroscope channel is formed between the first oral ventilation pipe, the second oral ventilation pipe and the connecting plate, and a gastroscope channel can be inserted through the gastroscope channel; oropharyngeal airway lumens are provided in the first oral ventilation pipe and the second oral ventilation pipe, sealing plates are provided at the ends of the two oropharyngeal airway lumens, oxygen inhalation tube interfaces are fixedly penetrated in the two sealing plates, and the diameter of the oxygen inhalation tube interface is larger than the diameter of the end of the nasal oxygen tube, so that the nasal oxygen tube can be used directly for oxygen supply.

[0008] In a possible design, sliding bars are provided on both sides of the connecting plate, sliding grooves are provided on the sides where the first oral ventilation pipe and the second oral ventilation pipe are close to each other, and the sliding bars are slidably connected in the sliding grooves. Through the sliding connection between the sliding bars and the sliding grooves, the first oral ventilation pipe and the second oral ventilation pipe can be respectively connected to the two sides of the connecting plate.

[0009] In a possible design, the outer walls of the first oral ventilation duct and the second oral ventilation duct are both provided with a plurality of fixing grooves, and the plurality of fixing grooves are respectively and symmetrically opened on the outer walls of the first oral ventilation duct and the second oral ventilation duct from top to bottom.

[0010] In one possible design, a fitting connection is performed through a fixing groove, and the outer wall of the above-mentioned oropharyngeal airway for gastroscopy includes a mouthpiece, on which the patient can bite to fix the mouthpiece, and a gasket is fixedly connected to the top of the mouthpiece, and the gasket can be sealed on the surface of the patient's lips; it also includes a fixing buckle, and the fixing buckle is located above the mouthpiece, and the mouthpiece can be fixed by the fitting of the fixing buckle and the gasket.

[0011] In one possible design, the fixing buckle is composed of a snap-on plate and an L-shaped buckle, and the L-shaped buckle is fixedly connected to the bottom of the snap-on plate, and the fixing buckle is plugged into and matched with the fixing groove through the snap-on plate. An opening is provided on one side of the sealing pad, and the opening can be used to be put on the outside of the nose. The top of the mouthpiece is fixedly connected with a matching plate, and the two ends of the matching plate are fixedly connected to the sealing pad, and the L-shaped buckle can be plugged into and matched with the matching plate to fix the sealing pad.

[0012] In a possible design, connection holes are provided on both sides of the sealing pad, and the fixing belt can be connected in series through the connection holes and worn through the fixing belt.

[0013] In the present application, the oropharyngeal airway dedicated to gastroscopy mainly includes three parts: a first oral ventilation tube, a second oral ventilation tube and a connecting plate, which are adapted to the patient's oral shape through appropriate bending and deformation, wherein the first oral ventilation tube and the second oral ventilation tube are both provided with oropharyngeal airway lumens, and the ends of the two oropharyngeal airway lumens are provided with sealing plates, and an oxygen tube interface is fixedly penetrated through the sealing plate. This design allows a nasal oxygen tube to be directly inserted into the oxygen tube interface, and oxygen is provided to the patient through the oxygen tube interface, thereby ensuring that the patient's breathing is unobstructed during gastroscopy and reducing the incidence of hypoxemia. During gastroscopy, the doctor inserts the gastroscope through the gastroscope channel and into the patient's esophagus for examination. Since the first oral ventilation tube, the second oral ventilation tube and the connecting plate are all made of plastic and have a certain bending and deformation ability, they can adapt to the oral structures of different patients, thereby improving the ease of gastroscopy insertion and reducing oropharyngeal damage. In addition, sliding strips are provided on both sides of the connecting plate, and the second oral ventilation tube and the connecting plate are both provided with a plurality of A slide groove is provided on the side where the first oral ventilation tube and the second oral ventilation tube are close to each other. Through the sliding connection of the slide bar in the slide groove, the doctor can assemble the first oral ventilation tube, the second oral ventilation tube and the connecting plate. The fixing device mainly includes a bite device, a gasket, a fixing buckle and a possible fixing belt. The patient bites the bite device to fix it in the oral cavity. At the same time, the gasket is covered on the surface of the patient's lips, which further enhances the stability of the fixation. The fixing buckle is composed of a clamping plate and an L-shaped buckle, wherein the L-shaped buckle is plugged into the matching plate. Since the two ends of the matching plate are fixedly connected to the gasket, when the L-shaped buckle is inserted into the matching plate, the gasket can be fixed, thereby ensuring the stability of the entire oropharyngeal airway and the fixing device during the examination. In addition, connecting holes are provided on both sides of the gasket, and the fixing belt can be connected in series through the connecting holes. The fixing belt can pass around the patient's head. By adjusting the tightness of the fixing belt, the stability of the oropharyngeal airway and the fixing device can be further enhanced to prevent displacement and falling off during the examination.

[0014] Beneficial effects:

[0015] In the utility model, the oropharyngeal airway and fixing device for gastroscope are designed to be arc-shaped and adapted to the oral cavity, and are made of plastic material, so they have a certain bending and deformation ability, and thus can better adapt to the oral structures of different patients. At the same time, a gastroscope channel is provided in the oropharyngeal airway, and the gastroscope can pass through it. This design not only reduces the discomfort of the patient during the examination, but also improves the ease of gastroscope insertion, and reduces oropharyngeal damage caused by improper operation.

[0016] In the utility model, the special oropharyngeal airway and fixing device for gastroscope, the fixing device is connected with the oropharyngeal airway through the fixing groove, and can be plugged with the matching plate through the mouthpiece, the sealing pad and the fixing buckle, so as to achieve the stability of the fixation. In addition, the fixing belt is connected in series through the connecting hole, so that the tightness of the fixation can be conveniently adjusted to prevent displacement or falling off during the inspection process;

[0017] In the utility model, the device has a simple structure and is easy to assemble. Doctors can quickly install and fix it for patients, reducing the doctor's operating difficulty and workload. At the same time, the material and structural design used in the device are relatively simple, and the manufacturing cost is low, so it has a high cost performance. Its good adaptability and stability make it suitable for patients of different age groups and oral structures, improve the comfort and safety of gastroscopy, reduce the incidence of complications, and have a wide range of applications and promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional structural schematic diagram of the oropharyngeal airway and fixing device for gastroscope proposed in the utility model;

[0019] Figure 2 This is a schematic diagram of the exploded structure of the oropharyngeal airway and the connecting plate of the fixing device for gastroscope proposed in the utility model;

[0020] Figure 3 This is a schematic diagram of the exploded structure of the oropharyngeal airway and fixing device for gastroscope proposed in the utility model;

[0021] Figure 4 The utility model is a schematic diagram of the partial exploded structure of the oropharyngeal airway and the connecting plate of the fixing device for gastroscope.

[0022] In the figure: 1. first oral ventilation duct; 2. second oral ventilation duct; 3. connecting plate; 4. mouthpiece; 5. sealing plate; 6. oxygen tube interface; 7. gastroscope channel; 8. fixing groove; 9. oropharyngeal airway lumen; 10. sealing pad; 11. connecting hole; 12. matching plate; 13. fixing buckle; 14. snap-on plate; 15. L-shaped buckle; 16. slide bar; 17. slide groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Example 1

[0025] Reference Figure 1 and Figure 2, a special oropharyngeal airway for gastroscope, comprising a first oral ventilation pipe 1 and a second oral ventilation pipe 2, a connecting plate 3 is arranged between the first oral ventilation pipe 1 and the second oral ventilation pipe 2, and the first oral ventilation pipe 1, the second oral ventilation pipe 2 and the connecting plate 3 are in an arc shape adapted to the oral cavity, the first oral ventilation pipe 1, the second oral ventilation pipe 2 and the connecting plate 3 are made of plastic material and can be bent and deformed appropriately, a gastroscope channel 7 is formed between the first oral ventilation pipe 1, the second oral ventilation pipe 2 and the connecting plate 3, and a gastroscope can be inserted through the gastroscope channel 7; an oropharyngeal airway lumen 9 is arranged in the first oral ventilation pipe 1 and the second oral ventilation pipe 2, a sealing plate 5 is arranged at the end of the two oropharyngeal airway lumens 9, an oxygen inhalation tube interface 6 is fixedly penetrated in the two sealing plates 5, and the diameter of the oxygen inhalation tube interface 6 is larger than the diameter of the end of the nasal oxygen tube, so that the nasal oxygen tube can be directly used for oxygen supply. The first oral ventilation duct 1 and the second oral ventilation duct 2 are connected by a connecting plate 3, and the whole is in an arc shape that adapts to the oral cavity so as to better adapt to the oral structure of the patient. At the same time, these components are made of plastic material, so that they have a certain flexibility and can be bent and deformed appropriately to better adapt to the oral shape of different patients. Through the connection of the connecting plate 3, a gastroscope channel 7 is formed between the first oral ventilation duct 1 and the second oral ventilation duct 2. This channel is used to insert a gastroscope to facilitate doctors to perform gastroscopy. In order to ensure the normal breathing of the patient, the sealing plate 5 is located at the ends of the first oral ventilation duct 1 and the second oral ventilation duct 2, and an oxygen inhalation tube interface 6 is fixedly penetrated in the sealing plate 5, so that a nasal oxygen tube can be directly inserted for oxygen supply, thereby providing the patient with necessary oxygen support.

[0026] Reference Figure 4 , both sides of the connecting plate 3 are provided with slide bars 16, and the sides of the first oral ventilation pipe 1 and the second oral ventilation pipe 2 close to each other are provided with slide grooves 17, and the slide bars 16 are slidably connected in the slide grooves 17. Through the sliding connection of the slide bars 16 and the slide grooves 17, the first oral ventilation pipe 1 and the second oral ventilation pipe 2 can be connected to both sides of the connecting plate 3 respectively. In order to facilitate assembly and adjustment, the connecting plate 3 and the first oral ventilation pipe 1 and the second oral ventilation pipe 2 are respectively connected by the slide bars 16 and the slide grooves 17, and can be adjusted as needed.

[0027] Reference Figure 2 The outer walls of the first oral ventilation tube 1 and the second oral ventilation tube 2 are both provided with a plurality of fixing grooves 8, and the plurality of fixing grooves 8 are respectively symmetrically opened from top to bottom on the outer walls of the first oral ventilation tube 1 and the second oral ventilation tube 2. In order to enhance the fixing effect of the oropharyngeal airway, the outer walls of the first oral ventilation tube 1 and the second oral ventilation tube 2 are both provided with a plurality of fixing grooves 8, and these fixing grooves 8 are symmetrically opened from top to bottom, and can be matched and connected with the fixing device to ensure the stability of the oropharyngeal airway in the patient's mouth.

[0028] The present application can be used in the field of medical devices, and can also be used in other fields applicable to the present application.

[0029] Example 2

[0030] refer to Figure 3 , improved on the basis of embodiment 1: a fixing device, which is applied to the field of medical devices, is connected through a fixing groove 8, is located on the outer wall of the above-mentioned gastroscope-specific oropharyngeal airway, includes a bite device 4, the patient can bite on the bite device 4 for fixation, the top of the bite device 4 is fixedly connected with a gasket 10, and the gasket 10 can be sealed on the patient's lip surface; it also includes a fixing buckle 13, and the fixing buckle 13 is located above the bite device 4, and the bite device 4 can be fixed by the cooperation of the fixing buckle 13 and the gasket 10.

[0031] refer to Figure 3 The fixing buckle 13 is composed of a clamping plate 14 and an L-shaped clamping buckle 15, and the L-shaped clamping buckle 15 is fixedly connected to the bottom of the clamping plate 14. The fixing buckle 13 is plugged and matched with the fixing groove 8 through the clamping plate 14. An opening is provided on one side of the sealing pad 10, and the opening can be used to be put on the outside of the nose. The top of the bite device 4 is fixedly connected with a matching plate 12, and the two ends of the matching plate 12 are fixedly connected to the sealing pad 10, and the L-shaped clamping buckle 15 can be plugged and matched with the matching plate 12, so as to fix the sealing pad 10. The fixing device mainly includes a bite device 4, and the patient can bite the bite device 4 in the mouth to fix it. The top of the bite device 4 is fixedly connected with a sealing pad 10, and this sealing pad 10 can be sealed on the patient's lip surface to provide an additional fixing effect. An opening is provided on one side of the sealing pad 10, and this opening can be used to be put on the outside of the patient's nose to increase the fixing effect. The L-shaped clamping buckle 15 can be plugged and matched with the matching plate 12, so as to achieve the fixation of the sealing pad 10, thereby ensuring the stability of the entire fixing device.

[0032] refer to Figure 3 Both sides of the sealing pad 10 are provided with connection holes 11, through which the fixing belt can be connected in series and worn by the fixing belt. Both sides of the sealing pad 10 are provided with connection holes 11, through which the fixing belt can be connected in series and the fixing device can be worn on the patient's head by the fixing belt, further increasing the fixing effect.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A special oropharyngeal airway for gastroscopy, characterized in that: include: A first oral ventilation tube (1) and a second oral ventilation tube (2), a connecting plate (3) is provided between the first oral ventilation tube (1) and the second oral ventilation tube (2), and the first oral ventilation tube (1), the second oral ventilation tube (2) and the connecting plate (3) are in an arc shape adapted to the oral cavity, the first oral ventilation tube (1), the second oral ventilation tube (2) and the connecting plate (3) are made of plastic material and can be bent and deformed appropriately, and a gastroscope channel (7) is formed between the first oral ventilation tube (1), the second oral ventilation tube (2) and the connecting plate (3), and a gastroscope can be inserted through the gastroscope channel (7); The first oral ventilation tube (1) and the second oral ventilation tube (2) are both provided with an oropharyngeal airway lumen (9), and the ends of the two oropharyngeal airway lumens (9) are both provided with sealing plates (5), and the two sealing plates (5) are both fixedly penetrated with oxygen inhalation tube interfaces (6), and the diameter of the oxygen inhalation tube interfaces (6) is larger than the diameter of the end of the nasal oxygen tube, so that the nasal oxygen tube can be used directly for oxygen supply.

2. The oropharyngeal airway for gastroscopy according to claim 1, characterized in that: Slide bars (16) are provided on both sides of the connecting plate (3); a slide groove (17) is provided on the side where the first oral ventilation pipe (1) and the second oral ventilation pipe (2) are close to each other, and the slide bar (16) is slidably connected in the slide groove (17); through the sliding connection between the slide bar (16) and the slide groove (17), the first oral ventilation pipe (1) and the second oral ventilation pipe (2) can be connected to the two sides of the connecting plate (3) respectively.

3. The oropharyngeal airway for gastroscopy according to claim 2, characterized in that: The outer walls of the first oral ventilation duct (1) and the second oral ventilation duct (2) are both provided with a plurality of fixing grooves (8), and the plurality of fixing grooves (8) are respectively and symmetrically opened in sequence from top to bottom on the outer walls of the first oral ventilation duct (1) and the second oral ventilation duct (2).

4. A fixing device, which is connected by means of a fixing groove (8) and is located on the outer wall of the oropharyngeal airway for gastroscopy according to claim 3, characterized in that: It comprises a mouthpiece (4), on which a patient can bite to fix the mouthpiece, a sealing pad (10) is fixedly connected to the top of the mouthpiece (4), and the sealing pad (10) can cover the surface of the patient's lips; It also includes a fixing buckle (13), and the fixing buckle (13) is located above the bite device (4). The bite device (4) can be fixed by the cooperation of the fixing buckle (13) and the sealing pad (10).

5. The fixing device according to claim 4, characterized in that: The fixing buckle (13) is composed of a clamping plate (14) and an L-shaped buckle (15), and the L-shaped buckle (15) is fixedly connected to the bottom of the clamping plate (14), and the fixing buckle (13) is plugged into and matched with the fixing groove (8) through the clamping plate (14). One side of the sealing pad (10) is provided with an opening, and the opening can be used to be put on the outside of the nose. The top of the mouthpiece (4) is fixedly connected to a matching plate (12), and both ends of the matching plate (12) are fixedly connected to the sealing pad (10), and the L-shaped buckle (15) can be plugged into and matched with the matching plate (12), so as to fix the sealing pad (10).

6. The fixing device according to claim 4, characterized in that: Both sides of the sealing pad (10) are provided with connection holes (11), and a fixing belt can be connected in series through the connection holes (11) and worn through the fixing belt.