CN108325038A - A kind of oropharyngeal airway - Google Patents

Abstract

This proposal discloses an oropharyngeal ventilation tube in the field of medical devices, including a flange and a tube body, one end of the tube body is fixedly connected to the flange; an air bag is wrapped on the outer wall of the tube body, and the air bag is located at the end of the tube body away from the flange , the air bag is communicated with a trachea, and the trachea is connected with an inflator. The oropharyngeal ventilation tube in this solution effectively solves the problem that the oropharyngeal ventilation tube in the prior art cannot play the role of opening the trachea because the curved part of the pharynx does not reach the root of the tongue by setting the air bag.

Description

an oropharyngeal airway

technical field

The invention belongs to the field of medical devices, in particular to an oropharyngeal ventilation tube.

Background technique

The oropharyngeal ventilation tube is a non-tracheal tube ventilation tube, which has the characteristics of simple operation and easy mastery. It is a medical device that can quickly open the trachea within a few seconds without special instruments. The oropharyngeal airway mainly includes a tube body and a flange, the inside of the tube body is the airway, and the tube body includes the tooth pad part and the pharyngeal curvature. When in use, choose a suitable catheter, assist the patient to take a supine position, and tilt the head back so that the mouth, pharynx, and larynx are in a straight line; then the curved part of the pharynx is placed close to the hard palate, and the ideal alignment of the nasopharyngeal airway Yes: After inserting from the patient's nasal cavity to the pharyngeal cavity, the pharyngeal end is located 0.5cm outside the glottis. Such alignment can support the posterior pharyngeal wall, thereby relieving upper airway obstruction and maintaining airway patency. During the use of the oropharyngeal ventilation tube, the curved part of the pharynx often does not reach the base of the tongue, resulting in the inability to open the trachea; in addition, because the oropharyngeal ventilation tube needs a certain hardness, it is easy to cause damage to the throat when it is used , leading to throat bleeding.

Contents of the invention

The present invention intends to provide an oropharyngeal ventilation tube to solve the problem that the oropharyngeal ventilation tube in the prior art cannot play the role of opening the trachea because the curved part of the pharynx does not reach the root of the tongue.

An oropharyngeal ventilation tube in this program includes a flange and a tube body, and one end of the tube body is fixedly connected to the flange; the outer wall of the tube body is wrapped with an air bag, and the air bag is located at the end of the tube body away from the flange, and the air bag communicates with The trachea is connected with an inflator.

The working principle and beneficial effect of this scheme: when using, choose a suitable catheter, assist the patient to take a supine position, tilt the head back, and make the mouth, pharynx, and larynx form a straight line; then put the curved part of the pharynx close to the hard palate; After the body is put in, the airbag is inflated into the airbag through the pump. After the airbag is inflated, the tongue is held up to keep the breathing passage unobstructed. It is beneficial to prevent the tube body from causing damage to the pharynx and larynx.

Further, the end of the flange is provided with an annular groove, the groove extends into the wall of the pipe body through the flange, and the groove extends to the end of the pipe body away from the flange; the pipe body is provided with One-way intake valve, the intake end of the one-way intake valve is connected to the air bag, and the outlet end of the one-way intake valve is connected to the air passage of the pipe body; two spacers are arranged in the groove, which are connected with the one-way intake The spacer on the same side of the valve is provided with an opening for the one-way intake valve to pass through, and there is a gap between the two spacers and the walls on both sides of the groove; There are through holes for spacers to pass through.

During the use of the oropharyngeal ventilation tube, the inner wall of the tube body is prone to accumulate sputum and other dirt, and the accumulation of a large amount of pollution will easily lead to blockage of the tube body airway. By arranging grooves, spacers and one-way inlet valves, the dirt in the air passage of the pipe body can be cleaned regularly. When in use, the septum is pushed, and the ends of the two septa away from the flange pass through the through hole and are connected together to seal the air passage of the tube body. At the same time, the air bag is inflated by the pump, and the gas in the air bag enters the air channel of the tube body through the one-way intake valve. Under the action of the gas, the dirt moves along the air channel to the flange direction, thereby achieving removal. purpose of dirt. During the process of removing dirt, oxygen can be delivered to the human body through the groove, and the normal breathing of the patient can be ensured because there is a gap between the spacer and the walls on both sides of the groove.

Further, the end of the flange is provided with a buckle cover that is buckled with the groove. By setting the buckle cover, when the airway of the pipe body does not need to be decontaminated, the end of the groove located at the flange is kept sealed by the buckle cover, which is beneficial to keep the groove clean.

Further, the tube body is provided with a scale. Through the scale, the length of the tube body entering the patient's pharynx and larynx can be intuitively seen, which is safer and more convenient to use.

Description of drawings

Fig. 1 is the structural representation of embodiment 1 of the present invention;

Fig. 2 is a schematic structural diagram of Embodiment 2 of the present invention.

Detailed ways

The following is further described in detail through specific implementation methods:

The reference signs in the drawings of the description include: flange 1 , air pump 2 , air pipe 3 , pipe body 4 , air bag 5 , groove 6 , one-way air intake valve 7 , and buckle cover 8 .

Example 1:

Basically as shown in Figure 1: an oropharyngeal ventilation tube 3, including a flange 1 and a tube body 4, one end of the tube body 4 is fixedly connected to the flange 1; the outer wall of the tube body 4 is wrapped with an air bag 5, the air bag 5 Located at the end of the tube body 4 away from the flange 1 , the airbag 5 communicates with a trachea 3 , and the trachea 3 is connected with an inflator.

When in use, select the appropriate tube body 4, assist the patient to take a supine position, and tilt the head back so that the mouth, pharynx, and throat are in a straight line; then the curved part of the tube body 4 is placed close to the hard palate; the tube body 4 is placed in the Finally, the air bag 5 is inflated by the pump 2, and the air bag 5 is inflated to support the tongue to keep the breathing passage unobstructed.

Example 2:

Basically as shown in Figure 2: the difference between it and Embodiment 1 is that the end of the flange 1 is provided with an annular groove 6, and the end of the flange 1 is provided with a buckle that is engaged with the groove 6. Buckle cover 8; groove 6 extends to the wall of pipe body 4 through flange 1, groove 6 extends to the end of pipe body 4 away from flange 1; said pipe body 4 is provided with a one-way air inlet valve 7. The air intake end of the one-way air intake valve 7 is connected to the air bag 5, and the air outlet end of the one-way air intake valve 7 is connected to the air passage of the pipe body 4; two spacers are arranged in the groove 6, which are connected with the one-way air intake valve. The spacer on the same side of the air valve 7 is provided with an opening for the one-way intake valve 7 to pass through, and there is a gap between the two spacers and the walls on both sides of the groove 6; the groove 6 and the pipe body 4 air passages A through hole for the spacer to pass is provided on the wall body between; a scale is provided on the tube body 4 .

The specific implementation process is as follows: Taking Example 2 as an example, when in use, select a suitable tube body 4, assist the patient to take a supine position, and tilt the head back so that the mouth, pharynx, and larynx are in a straight line; then the pharynx of the tube body 4 bends Part of it is placed close to the hard palate. During the insertion process of the tube body 4, the length of the tube body 4 placed into the pharynx and throat can be intuitively understood through the scale on the tube body 4; The air bag 5 is inflated, and the air bag 5 is inflated to support the tongue to keep the breathing passage unobstructed. After the oropharyngeal ventilation tube 3 has been used for a period of time, the button cover 8 is opened, and the septum is pushed, so that the ends of the septum pass through the through holes on the wall body to be connected together and seal the airway. Then pump air into the airbag 5 through the pump 2, the gas in the airbag 5 enters the airway of the pipe body 4 through the one-way intake valve 7, and under the action of the gas, the dirt moves along the airway to the direction of the flange 1, So as to achieve the purpose of removing dirt. During the process of removing dirt, oxygen can be delivered to the human body through the groove 6, and the normal breathing of the patient can be ensured because there is a gap between the spacer and the walls on both sides of the groove 6.

What is described above is only an embodiment of the present invention, and common knowledge such as specific structures and characteristics known in the scheme are not described here too much. It should be pointed out that for those skilled in the art, under the premise of not departing from the structure of the present invention, several modifications and improvements can also be made, and these should also be regarded as the protection scope of the present invention, and these will not affect the implementation of the present invention. Effects and utility of patents. The scope of protection required by this application shall be based on the content of the claims, and the specific implementation methods and other records in the specification may be used to interpret the content of the claims.

Claims (4)

1. An oropharyngeal ventilation tube, comprising a flange and a tube body, one end of the tube body is fixedly connected with the flange; it is characterized in that: an air bag is wrapped on the outer wall of the tube body, and the air bag is positioned at the end of the tube body away from the flange, and the air bag It is communicated with a trachea, and the trachea is connected with an inflator. 2. The oropharyngeal ventilation tube according to claim 1, characterized in that: the end of the flange is provided with an annular groove, the groove extends into the wall of the tube body through the flange, and the groove extends to the The end of the pipe body away from the flange; the pipe body is provided with a one-way air intake valve, the air intake end of the one-way air intake valve is connected to the air bag, and the air outlet end of the one-way air intake valve is connected to the air passage of the pipe body; There are two partitions in the groove, and the partition on the same side as the one-way intake valve is provided with an opening for the passage of the one-way intake valve. There is a gap between the two partitions and the walls on both sides of the groove. ; The wall between the groove and the air channel of the pipe body is provided with a through hole for the spacer to pass through. 3. The oropharyngeal ventilation tube according to claim 2, characterized in that: the end of the flange is provided with a buckle cover that is buckled with the groove. 4. The oropharyngeal ventilation tube according to any one of claims 1-3, characterized in that: the tube body is provided with a scale.