Multifunctional oropharyngeal airway capable of preventing tongue from falling backwards

Abstract

The utility model provides a multifunctional oropharynx airway capable of preventing tongue from falling backwards, which comprises a breather pipe, and a sputum suction pipe, an inflation pipe, an oxygen supply pipe and a carbon dioxide sampling pipe are arranged in an inner cavity of the breather pipe. The front ends of the air pipes respectively extend out of the front ends of the breather pipes and are communicated with the outside; the rear end of the sputum suction tube is close to the rear end of the breather tube, and sputum suction holes are formed in the side wall of the rear end of the sputum suction tube. An oxygen supply hole is formed in the side wall of the rear end of the oxygen supply pipe; a sampling hole is formed in the side wall of the rear end of the carbon dioxide sampling pipe; a directional air bag is arranged on the outer pipe wall of the breather pipe, and the rear end of the inflation pipe is communicated with the directional air bag. The rear end of the sputum suction hole, the rear end of the carbon dioxide sampling hole and the rear end of the oxygen supply hole are arranged in sequence from near to far according to the distance close to the rear end of the breather pipe. The problems of tongue root and epiglottis obstruction, inaccurate carbon dioxide sampling, poor oxygen supply effect and troublesome sputum suction in the prior art are solved through the inflation tube, the oxygen supply tube, the carbon dioxide sampling tube and the sputum suction tube.

Description

Technical Field

[0001] The utility model relates to the field of necessities of human life, in particular to the field of medical devices, in particular to a multifunctional oropharyngeal airway for preventing the tongue from falling back. Background Art

[0002] Glossoplegia is one of the most common causes of hypoxia after sedation and anesthesia. Oropharyngeal airways are commonly used clinically to alleviate airway obstruction caused by glossoplegia. However, oropharyngeal airways in existing technologies still have the following problems:

[0003] 1. There are four main levels of supraglottic obstruction, including obstruction at the soft palate, oropharynx, tongue root and epiglottis. The oropharyngeal airway in the existing technology can only solve the airway obstruction problem at the soft palate and oropharynx levels. Moreover, after placing the oropharyngeal airway in the mouth, the space of the oropharyngeal cavity is reduced, the tongue is compressed and the pressure at the tongue root is increased, which in turn causes airway obstruction at the tongue root and epiglottis levels.

[0004] 2. After a conventional oropharyngeal airway is placed in the patient, the patient's exhaled gas is quickly discharged through the airway. Nasal carbon dioxide sampling is often inaccurate or even impossible to collect.

[0005] 3. After the patient has a conventional oropharyngeal airway placed, the patient inhales the gas quickly through the airway. The oxygen supply through the nasal cannula is poor, and mask supply requires a dedicated pipeline, and the oxygen therapy effect is poor.

[0006] 4. After the patient has a conventional oropharyngeal airway placed, as the use time increases, more secretions are likely to appear in the oropharyngeal cavity. Repeated insertion of a suction tube to suction sputum is troublesome and can easily cause soft tissue damage. Repeated insertion and removal of the suction tube can also stimulate the epiglottis and glottis, potentially inducing laryngeal spasm. Summary of the Invention

[0007] The purpose of the utility model is to provide a multifunctional oropharyngeal airway for preventing the tongue from falling back, and the multifunctional oropharyngeal airway for preventing the tongue from falling back is to solve the technical problems in the prior art such as obstruction of the tongue root and epiglottis, inaccurate carbon dioxide sampling, poor oxygen supply effect, and troublesome sputum suction.

[0008] The trachea is housed in a ventilator and has a ventilator that is adapted to direct the flow of air through the ventilator into the ventilator, wherein the ventilator is housed in a ventilator chamber and is adapted to direct the flow of air through the ventilator chamber.

[0009] Furthermore, the inner cavity of the ventilation tube includes an upper inner tube wall and a lower inner tube wall, the suction tube is buried inside the upper inner tube wall, and the inflation tube, oxygen supply tube, and carbon dioxide sampling tube are buried inside the lower inner tube wall.

[0010] Furthermore, the sputum suction holes are respectively arranged on both sides of the tube wall of the sputum suction tube, one side is connected to the inside of the ventilation tube, and the other side passes through the tube wall of the ventilation tube and is connected to the outside.

[0011] Furthermore, the directional airbag is conical, and the connection between the directional airbag and the ventilation tube is the bottom surface of the cone.

[0012] Furthermore, the carbon dioxide sampling tube is located on one side of the inflation tube, and a bend is provided at the rear end of the carbon dioxide sampling tube. The end of the bend bypasses the rear end of the inflation tube and is provided on the other side of the inflation tube.

[0013] Furthermore, the sampling hole is arranged on the side wall of the curved pipe.

[0014] Furthermore, an inflation device is provided at the front end of the inflation tube, and the inflation device is connected to the inflation tube through a one-way valve.

[0015] Furthermore, a fixing belt is provided on the flange of the ventilation pipe.

[0016] Compared with the existing technology, the effect of this utility model is positive and obvious:

[0017] 1. When inflated, the conical airbag in the present invention can effectively elevate the tongue root and epiglottis, thereby resolving obstruction at the soft palate and oropharyngeal level in patients with retroglossectomy. It can also effectively relieve obstruction at the tongue root and epiglottis level, thereby improving ventilation in patients under sedation and anesthesia.

[0018] 2. The detection hole of the carbon dioxide sampling tube in the present invention is located at the rear end of the lower inner tube wall of the airway. When the patient lies on his back, the carbon dioxide sampling tube is located at a relatively high position in the pharyngeal cavity, which can effectively prevent secretions from clogging the sampling hole and provide a stable and reliable means for respiratory sampling of patients after sedation and anesthesia.

[0019] 3. The oxygen supply tube in the utility model can be connected to the oxygen inhalation tube at the front end, which effectively improves the oxygen concentration in the airway lumen. The opening of the oxygen supply tube is located at the back of the airway, which is misaligned with the opening of the carbon dioxide sampling tube, reducing the dead space while avoiding the impact of supply on carbon dioxide sampling, providing a reliable oxygen therapy measure for patients who need to place an oropharyngeal airway after sedation and anesthesia.

[0020] 4. The suction tube in the present invention is located on the upper inner tube wall. When the patient lies on his back, the suction hole (801) is located at the lowest point of the oropharyngeal cavity, so that the suction tube can more efficiently suck out the secretions in the oropharyngeal cavity and the airway, reducing problems such as poor ventilation, choking, aspiration and blockage of the carbon dioxide collection hole caused by the secretions, which is conducive to the long-term safe use of the oropharyngeal airway. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 .Schematic diagram of the structure of embodiment one.

[0022] Figure 2 .Side sectional structure diagram of embodiment one.

[0023] Figure 3 .Schematic diagram of the airbag inflated state in Example 1.

[0024] Figure 4 .Schematic diagram of the pipe layout of the lower inner pipe wall in Example 1.

[0025] Figure 5 .Schematic diagram of the pipe layout of the upper inner pipe wall in Example 1.

[0026] Figure 6 .Schematic diagram of the pipe layout of the lower inner pipe wall in Example 3.

[0027] In the figure: 1 ventilation tube; 101 lower inner tube wall; 102 upper inner tube wall; 2 flange; 3 directional airbag; 4 inflation tube; 401 connection port; 5 inflation device; 501 one-way valve; 6 oxygen supply tube; 601 oxygen supply hole; 7 carbon dioxide sampling tube; 701 sampling hole; 8 suction tube; 801 suction hole; 9 fixing belt. DETAILED DESCRIPTION

[0028] The following examples will further illustrate the present invention, but are not intended to limit the present invention. Example 1

[0029] like Figures 1 to 5 As shown, this embodiment provides a multifunctional oropharyngeal airway for preventing tongue posterior prolapse, including a ventilation tube 1, the ventilation tube 1 including an upper inner tube wall 102 and a lower inner tube wall 101, the upper inner tube wall 102 and the lower inner tube wall 101 are respectively located on the upper and lower sides of the inner tube wall of the ventilation tube 1, and when the airway is inserted into the patient's mouth, the side closer to the patient's tongue is the lower side.

[0030] A sputum suction tube 8 is provided on the upper inner tube wall 102, and the sputum suction tube 8 is arranged along the axial direction of the ventilation tube 1. The front end of the sputum suction tube 8 extends out of the front end of the ventilation tube 1 and is connected to the outside world, and can be connected to an external sputum suction device, thereby achieving the effect of suctioning sputum; the rear end of the sputum suction tube 8 is close to the rear end of the ventilation tube 1, and a sputum suction hole 801 is opened on the tube wall of the sputum suction tube 8, and the sputum suction hole 801 is close to the rear end of the sputum suction tube 8, so as to be as close to the deep part of the patient's throat as possible. When the patient lies on his back, the sputum suction hole 801 is located at the lowest point of the ventilation tube 1, and then the sputum is sucked and cleaned before it blocks other pipelines to avoid blockage.

[0031] The lower inner tube wall 101 is provided with an inflation tube 4, an oxygen supply tube 6, and a carbon dioxide sampling tube 7; the inflation tube 4, the oxygen supply tube 6, and the carbon dioxide sampling tube 7 are arranged axially along the ventilation tube 1, and the front ends of the inflation tube 4, the oxygen supply tube 6, and the carbon dioxide sampling tube 7 respectively extend out of the front end of the ventilation tube 1 and are connected to the outside world; the front end of the oxygen supply tube 6 is connected with an external oxygen supply device, thereby achieving the effect of directly supplying oxygen to the ventilation tube 1, thereby improving the oxygen supply efficiency; the carbon dioxide sampling tube 7 is connected with an external carbon dioxide sampling device, thereby sampling the carbon dioxide exhaled by the patient; the rear end side wall of the oxygen supply tube 6 is provided with a plurality of oxygen supply holes 601, and oxygen is supplied to the patient through the oxygen supply holes 601; the rear end side wall of the carbon dioxide sampling tube 7 is provided with a plurality of sampling holes 701, and carbon dioxide is collected through the sampling holes 701 for sampling.

[0032] They are arranged in order of distance from the rear end of the ventilation tube 1, from near to far, namely the rear end of the suction hole 801, the rear end of the carbon dioxide sampling hole 701, and the rear end of the oxygen supply hole 601; the suction hole 801 is placed at the rear end, so as to remove the sputum before it blocks other pipeline holes; the carbon dioxide sampling hole 701 is placed behind the oxygen supply hole 601, forming a misalignment, thereby preventing the oxygen input in the oxygen supply hole 601 from directly entering the carbon dioxide sampling hole 701, resulting in inaccurate carbon dioxide sampling values.

[0033] A directional airbag 3 is provided on the outer tube wall of the ventilation tube 1. The directional airbag 3 is close to the rear end of the ventilation tube 1. A connecting port 401 is provided on the bottom surface of the directional airbag 3. The rear end of the inflation tube 4 passes through the tube wall of the ventilation tube 1 and is connected to the connecting port 401. The front end of the inflation tube 4 is connected to the external inflation device 5. In this embodiment, the inflation device 5 is an inflation needle tube. The inflation needle tube and the inflation tube 4 are connected through a one-way valve 501. The directional airbag 3 can be inflated by pushing the piston of the inflation needle tube. The directional airbag 3 is located at the lower outer tube The wall corresponds to the position of the patient's tongue root. The directional airbag 3 expands after inflation, thereby pressing the tongue root and lifting the epiglottis, solving the obstruction of the soft palate and oropharynx of patients with posterior tongue drop, and effectively relieving the obstruction of the tongue root and epiglottis, which is beneficial to improving the ventilation of patients after sedation and anesthesia; the one-way valve 501 uses a one-way valve with an indicator airbag, and the indicator airbag can be expanded according to the expansion degree of the directional airbag 3, thereby achieving the effect of prompting the expansion degree of the directional airbag 3. The one-way valve with an indicator airbag is a commonly used existing technology.

[0034] The directional airbag 3 is conical in shape, and the conical surface is made of PVC elastic material. The connection between the directional airbag 3 and the ventilation tube 1 is the bottom surface of the cone. When the directional airbag 3 is expanded, the directional airbag 3 is expanded in a directional manner with the cone tip as the center, so as to prevent the airbag from expanding into the airway, thereby preventing the airbag from reducing the space in the airway. At the same time, the cone tip of the airbag can accurately press the tongue root position, thereby improving the pressing effect.

[0035] A fixing belt 9 is provided on the flange 2 of the ventilation tube 1. The fixing belt 9 is worn around the patient's head, thereby achieving the effect of fixing the ventilation tube 1 when it is inserted into the patient's mouth.

[0036] The inflation tube 4, oxygen supply tube 6, carbon dioxide sampling tube 7, and sputum suction tube 8 in this embodiment can also be buried in the tube wall of the ventilation tube 1, thereby further expanding the channel size in the ventilation tube 1 and improving the ventilation effect. Example 2

[0037] This embodiment is a preferred solution of embodiment 1, and provides a multifunctional oropharyngeal airway for preventing the tongue from falling back. The suction holes 801 are respectively arranged on both sides of the tube wall of the suction tube 8. The suction hole 801 on one side is connected to the tube inside the ventilation tube 1, and the suction hole 801 on the other side passes through the tube wall of the ventilation tube 1 and is connected to the outside world, so that the sputum inside and outside the ventilation tube 1 can be sucked at the same time, thereby improving the suction effect. Example 3

[0038] like Figure 6As shown, this embodiment is a preferred solution of embodiment 1, which provides a multifunctional oropharyngeal airway for preventing the tongue from falling back. The carbon dioxide sampling tube 7 is located on one side of the inflation tube 4, and a bend is provided at the rear end of the carbon dioxide sampling tube 7. The end of the bend bypasses the rear end of the inflation tube 4 and is provided on the other side of the inflation tube 4. A plurality of sampling holes 701 are provided on the side wall of the bend. The bend and the detection holes provided on the bend are symmetrical with respect to the inflation tube 4 as the center line, thereby increasing the sampling holes 701 at a similar distance from the rear end of the ventilation tube 1, improving the sampling effect, and at the same time dispersing the positions of the sampling holes 701, further reducing the influence of the oxygen supply tube 6 on carbon dioxide sampling.

[0039] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A multifunctional oropharyngeal airway for preventing tongue posterior prolapse, characterized by: It comprises a ventilation tube (1), wherein an inner cavity of the ventilation tube (1) is provided with a sputum suction tube (8), an inflation tube (4), an oxygen supply tube (6), and a carbon dioxide sampling tube (7); The sputum suction tube (8), the air filling tube (4), the oxygen supply tube (6), and the carbon dioxide sampling tube (7) are arranged along the axial direction of the ventilation tube (1), and the front ends of the sputum suction tube (8), the air filling tube (4), the oxygen supply tube (6), and the carbon dioxide sampling tube (7) respectively extend out of the front end of the ventilation tube (1) and are connected to the outside world; The rear end of the sputum suction tube (8) is close to the rear end of the ventilation tube (1), and a sputum suction hole (801) is provided on the rear end side wall of the sputum suction tube (8); the rear end side wall of the oxygen supply tube (6) is provided with an oxygen supply hole (601), and the rear end side wall of the carbon dioxide sampling tube (7) is provided with a sampling hole (701); A directional airbag (3) is provided on the outer tube wall of the ventilation tube (1), the directional airbag (3) is close to the rear end of the ventilation tube (1), and the rear end of the inflation tube (4) is connected to the directional airbag (3); Arranged in order of distance from the rear end of the ventilation tube (1), from near to far, are the sputum suction hole (801), the carbon dioxide sampling hole (701), and the oxygen supply hole (601).

2. A multifunctional oropharyngeal airway for preventing tongue posterior prolapse according to claim 1, characterized in that: The inner cavity of the ventilation tube comprises an upper inner tube wall (101) and a lower inner tube wall (102); the sputum suction tube (8) is buried inside the upper inner tube wall (101); and the inflation tube (4), oxygen supply tube (6), and carbon dioxide sampling tube (7) are buried inside the lower inner tube wall (102).

3. The multifunctional oropharyngeal airway for preventing tongue posterior prolapse according to claim 2, characterized in that: The sputum suction holes (801) are respectively arranged on both sides of the tube wall of the sputum suction tube (8), one side is connected to the inside of the ventilation tube (1), and the other side passes through the tube wall of the ventilation tube (1) and is connected to the outside.

4. The multifunctional oropharyngeal airway for preventing tongue posterior prolapse according to claim 1, characterized in that: The directional airbag (3) is conical, and the connection between the directional airbag (3) and the ventilation tube (1) is the bottom surface of the cone.

5. The multifunctional oropharyngeal airway for preventing tongue posterior prolapse according to claim 1, characterized in that: The carbon dioxide sampling tube (7) is located on one side of the inflation tube (4), and a bend is provided at the rear end of the carbon dioxide sampling tube (7). The end of the bend bypasses the rear end of the inflation tube (4) and is provided on the other side of the inflation tube (4).

6. The multifunctional oropharyngeal airway for preventing tongue posterior prolapse according to claim 5, characterized in that: The sampling hole (701) is arranged on the side wall of the curved pipe.

7. The multifunctional oropharyngeal airway for preventing tongue posterior prolapse according to claim 1, characterized in that: A fixing belt (9) is provided on the flange (2) of the vent pipe (1).

8. The multifunctional oropharyngeal airway for preventing tongue posterior prolapse according to claim 1, characterized in that: An inflation device (5) is provided at the front end of the inflation tube (4), and the inflation device (5) is connected to the inflation tube (4) via a one-way valve.

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