CN114082061A

CN114082061A - Take nose pharynx breather pipe of toper nose of gasbag

Info

Publication number: CN114082061A
Application number: CN202111531006.8A
Authority: CN
Inventors: 傅国强; 王轶湛; 高寅林; 田志红; 王刚; 谢伟平; 耿炜莲; 陈常兴
Original assignee: Shanghai Lanjia Medical Technology Co ltd
Current assignee: Shanghai Lanjia Medical Technology Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-02-25

Abstract

The invention discloses a conical upturned nasopharyngeal ventilation tube with an airbag. The nasopharyngeal ventilation tube is provided with an air inlet and an air outlet, an airbag is provided outside the tube wall above the air outlet at the lower end of the ventilation tube, and an airbag is provided in the tube wall for inflation. Tube, carbon dioxide collection tube, the end of the gas outlet continues with a smooth warped head, the warped head includes a tail end and a head end, the head end is tapered, the top of the cone is hemispherical, and the tail end is a part of the tube wall according to a certain Arc extension. The curved design of the tilted head and the cooperation of the air bag provide effective support for the airway, spread the tongue base that compresses the posterior pharyngeal wall, and play a guiding role during nasal placement. With the help of the smooth head end, it can be guided into the natural anatomical arc, and the damage to the tissue is less.

Description

Take nose pharynx breather pipe of toper nose of gasbag

Technical Field

The invention relates to medical equipment, in particular to a medical upper respiratory tract ventilation device for improving the patency of an upper respiratory tract, and particularly relates to a nasopharynx ventilation tube with a conical nose of an air bag.

Background

The nasopharyngeal airway is generally an artificial supraglottic ventilation auxiliary device which is clinically used for improving the patency of the upper respiratory tract so as to improve the ventilation effect.

Poor ventilation effect is usually caused by local obstruction due to the fact that the root of the tongue drops down to the posterior pharyngeal wall and blocks the upper respiratory tract of a patient in an anesthesia state or a coma state. To improve the ventilation effect, the tongue root of the pharyngeal posterior wall is pressed to be spread by the supporting function of the ventilation pipe, the obstruction is reduced, and the upper respiratory tract which is possibly blocked is improved by the aid of the pipe cavity of the ventilation pipe.

The nasopharynx air vent that uses at present, from structural, only simple coaxial tubulose, in some patients, because the pipe diameter is less, relative support scope is not enough, and the gas outlet end is still difficult to avoid sometimes being covered by the tongue root of software and blockked and can not play the unobstructed effect of keeping upper respiratory track.

The existing nasopharyngeal airway has the defects that the air outlet end is a bevel cut surface, so that the existing nasopharyngeal airway is easily blocked by tissues in the implantation process and is also easily damaged by the tissues.

Disclosure of Invention

In view of the above defects in the prior art, the invention provides a nasopharynx air tube with a conical nose of an air bag, which provides effective support for an air passage through the matching of the arc design of the nose and the air bag, and can prop open and press the tongue root of the posterior pharyngeal wall, and can lead the air tube to enter along the natural anatomical arc by virtue of a smooth head end when the air tube is placed through the nose, so that the damage to tissues is less.

In order to solve the technical problems, the invention adopts the following technical scheme:

the invention provides a nasopharynx breather pipe with a conical nose of an air bag, which is provided with an air inlet and an air outlet, wherein the air bag is arranged outside the pipe wall above the air outlet, and an air bag inflation pipe and a carbon dioxide collection pipe are arranged inside the pipe wall of the nasopharynx breather pipe; the tail end of the air outlet extends to be provided with a smooth conical warping head, the conical warping head comprises a tail end and a head end, the head end is conical, the top end of the conical shape is hemispherical, and the tail end is connected with the pipe wall of the tail end part of the air outlet and extends in an arc shape.

In some such embodiments, the nasopharyngeal airway is > 160mm in length and 5.0mm to 6.5mm in diameter.

In some embodiments, the conical nose is located laterally below the air outlet, the tail end is connected to a portion of the tube wall at the end of the air outlet and extends in an arc shape, the radius of the inner arc of the arc shape is less than 15mm, the arc degree is 80-100 degrees, and the hemisphere at the head end is a hemisphere with a diameter of 4 mm.

In some embodiments, the outside of the air bag is arranged outside the pipe wall above the air outlet by more than 5-20mm, and the outer diameter of the air bag after being inflated is less than 25 mm.

In some embodiments, the lower end of the air bag inflation tube is communicated with the air bag, and the upper end of the air bag inflation tube is connected with an air bag inflation interface with a one-way valve.

In some embodiments, the lower end of the carbon dioxide collecting tube is provided with a carbon dioxide collecting port, the carbon dioxide collecting port is positioned in the inner cavity of the tube wall of the air outlet, the upper end of the carbon dioxide collecting tube is connected with a carbon dioxide collecting interface, and the carbon dioxide collecting interface is connected with a carbon dioxide monitor for monitoring the concentration of carbon dioxide.

In some embodiments, the air inlet is provided with a multifunctional three-way joint used in cooperation with the air inlet, the lower end of the multifunctional three-way joint is an airway interface, the side surface of the multifunctional three-way joint is a breathing circuit interface, and a sealing cover and a funnel-shaped elastic valve membrane are sequentially arranged right above the airway interface from top to bottom.

In some embodiments, the breathing circuit interface is provided with an internal port and an external port.

Compared with the prior art, the invention has the following beneficial effects:

the invention obviously expands the actual local outer diameter by means of the local supporting action of the warping head and the air bag, prevents the air outlet of the vent pipe from being blocked by the tongue root which falls backwards, can effectively ensure the smoothness of the upper respiratory tract, and performs effective oxygen supply and auxiliary ventilation treatment. Meanwhile, due to the smooth bending and head raising, the utility model not only has the function of guiding the nasal cavity to enter the throat part along the natural anatomy, but also can reduce the friction damage of the catheter with the tissue in the process of placing.

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

FIG. 1 is an overall view of a nasopharyngeal airway with a tapered nose with an air bag according to an embodiment of the present invention;

fig. 2 is a structural diagram of an air outlet end of a nasopharynx breather pipe with a conical nose of an air bag according to an embodiment of the present invention.

Fig. 3 is a cross-sectional view of a nasopharynx breather tube wall with a conical nose of an air bag according to an embodiment of the present invention.

Fig. 4 is a multi-functional three-way joint used with a nasopharynx breather pipe with a conical nose of an air bag according to an embodiment of the present invention.

Fig. 5 is a breathing circuit interface end of a multifunctional three-way joint used with a nasopharynx breather pipe with a conical nose of an air bag according to an embodiment of the present invention.

Fig. 6 is a working port end with a closing cap and a funnel-like valve membrane of a multifunctional three-way joint used with a nasopharynx air vent pipe with a conical nose of an air bag according to an embodiment of the present invention.

Wherein the reference numerals are as follows:

101 is a breather pipe, 102 is an air inlet, 103 is an air outlet, 103-1 is a conical warped head, 201 is an air bag inflation pipe, 202 is an air bag inflation interface, 203 is an air bag, 301 is a carbon dioxide collection pipe, 302 is a carbon dioxide collection interface, 303 is a carbon dioxide collection port, 401 is a multifunctional three-way connector, 402 is a working port of the multifunctional three-way connector, 403 is a sealing cover, 404 is a funnel-shaped elastic valve membrane, 405 is a breathing circuit interface, 406 is an inner port, 407 is an outer port, and 408 is an air passage interface.

Detailed Description

In order to make the technical means, the characteristics, the purposes and the functions of the invention easy to understand, the invention is further described with reference to the specific drawings. However, the present invention is not limited to the following embodiments.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.

As shown in figure 1, the nasopharynx breather pipe 101 with the conical nose-raising of the air bag is provided with an air inlet 102 and an air outlet 103, the air bag 203 is arranged outside the pipe wall above the air outlet 103, and the air bag inflation pipe 201 and the carbon dioxide collection pipe 301 are arranged inside the pipe wall of the nasopharynx breather pipe 101. The tail end of the air outlet 103 extends to form a smooth conical warping head 103-1, the conical warping head comprises a tail end and a head end, the head end is conical, the top end of the conical shape is hemispherical, and the tail end is connected with part of the pipe wall at the tail end of the air outlet 103 and extends in an arc shape. The radian design through the waning head and the cooperation of gasbag provide effective support for the air flue, strut the tongue root of oppression to the pharynx back wall to have the guide effect.

As shown in figure 1, the nasopharynx breather tube 101 of the conical nose with air bag has a length of more than 160mm and a diameter of 5.0mm to 6.5 mm. The warped head 103-1 is positioned below the side of the air outlet 103, the tail end is connected with the pipe wall of the end part of the air outlet and extends in an arc shape, the radius of the inner arc of the arc shape is less than 15mm, the radian is 80-100 degrees, the hemisphere of the head end is 4mm in diameter, and the radian is 80-100 degrees.

As shown in FIG. 1, the air bag 203 is arranged on the pipe wall above the air outlet 103 by more than 5mm, the upper and lower diameters are more than 15mm, and the outer diameter is less than 25mm after inflation. The lower end of the air bag inflation tube 201 is communicated with the air bag 203, and the upper end is connected with an air bag inflation connector 202 with a one-way valve. The air inlet 102 is provided with a multifunctional three-way joint 401 matched with the air inlet.

As shown in fig. 1, the upper end of the carbon dioxide collection tube 301 is connected to a carbon dioxide collection interface 302, and the carbon dioxide collection interface 302 can be connected to a carbon dioxide monitor for monitoring the concentration of carbon dioxide.

As shown in FIGS. 2 and 3, a carbon dioxide collecting port 303 is arranged at the lower end of the carbon dioxide collecting tube 301, the carbon dioxide collecting port 303 is positioned in the inner cavity of the tube wall of the air outlet 103, and the air bag inflating tube 201 is communicated with the air bag 203.

As shown in fig. 4, the lower end of the multi-functional three-way joint is an airway interface 408, the side surface is a breathing circuit interface 405, and a closing cover 403 and a funnel-shaped elastic valve film 402 are sequentially arranged right above the airway interface 408 from top to bottom. The breathing circuit interface 405 is provided with an inner port 406 and an outer port 407.

Aiming at the patients needing to use the air passage to carry out auxiliary ventilation, the ventilation pipes with different models are selected, when in use, the patients generally take the horizontal position, the air bag 203 is deflated, the air inlet 102 is held by hands, the warped head 103-1 is upwards inserted through the nostril (left or right), because the warped head 103-1 has a diameter smaller than that of the nostril and a smooth surface, the patient can be easily sent into the throat along the nasal cavity, tissue friction injury is not easy to generate during the placement, meanwhile, the upward guiding function of the warped head 103-1 has obvious resistance when the patient is placed and touches the epiglottis valley, the placement depth is prompted to be in place, the ventilation pipe 101 is slightly withdrawn by 5mm, at the moment, the air outlet 103 is not easy to be pressed and blocked due to the support of the warped head 103-1, the air bag 203 is inflated at the moment, the air outlet 103 is effectively supported and kept in a difficult blocking state, and the tongue root part of the back drop can not cover the air outlet 103 of the ventilation pipe, an effective unobstructed airway can be established.

As shown in fig. 4, the lower end of the multi-functional three-way joint 401 is an airway interface 408, the side surface is a breathing circuit interface 405, and is provided with an inner port 406 and an outer port 407, and a closing cover 403 and a funnel-shaped elastic valve film 404 are sequentially arranged right above the airway interface 408 from top to bottom. The carbon dioxide collecting interface 302 is connected with a carbon dioxide monitor, so that the concentration of the carbon dioxide can be effectively collected and monitored. The breathing circuit interface 405 may connect breathing circuits as needed.

As shown in FIG. 5, oxygen may be supplied by inserting a nasogastric oxygen tube directly into the internal port 406.

As shown in fig. 6, the position of the closing cover 403 is above the funnel-shaped elastic valve film 404, the horizontal position of the funnel-shaped elastic valve film 404 is higher than the respiratory circuit interface 405, and if necessary, the closing cover can be opened to send a sputum suction pipe to wash and suck the throat and also send a bronchofiberscope to visually inspect.

The nose-raising design which can adapt to natural anatomical radian is comprehensively considered in shape, and the air bag design of the air outlet makes the ventilation tube smooth and small in damage when being placed, and can be accurately positioned at the root of the tongue of the throat after being placed.

The multifunctional three-way joint matched with the ventilation channel for use has the advantages that due to the funnel-shaped valve film, when the valve film is used for embedding operations such as bronchofiberscope and sputum suction tube, the valve film can prevent secretions possibly generated by respiratory tract choking from splashing to operators and operating environment due to the wrapping isolation effect of the valve film on the embedded body, and has good isolation protection effect in the treatment of respiratory infectious diseases such as new crown, SASS and other patients.

The vent pipe is made of medical plastic materials.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. a nasopharyngeal air tube with a conical head-turned air bag, is characterized in that, this nasopharyngeal air tube is provided with an air inlet and an air outlet, and an air bag is provided outside the tube wall above the air outlet, and the nasal passage is provided with an air bag. A balloon inflation tube and a carbon dioxide collection tube are arranged in the tube wall of the pharyngeal airway; the end of the air outlet is extended with a smooth conical upturned head, the conical upturned head includes a tail end and a head end, and the head end is tapered The top of the cone is hemispherical, and the tail end is connected with the pipe wall of the end part of the air outlet and extends in an arc.

2 . The nasopharyngeal ventilation tube with a conical upturned head with an airbag according to claim 1 , wherein the length of the nasopharyngeal ventilation tube is >160 mm, and the diameter thereof is 5.0 mm-6.5 mm. 3 .

3 . The nasopharyngeal air tube with a conical upturned head with an airbag according to claim 1 , wherein the conical upturned head is located below the side of the air outlet, and the tail end is connected to the outlet. 4 . The pipe wall of the end part of the gas port is connected and extends in an arc shape, the inner arc radius of the arc shape is less than 15mm, the arc is 80-100 degrees, and the hemisphere of the head end is a hemisphere with a diameter of 4mm.

4. A nasopharyngeal air tube with a conical upturned head with an airbag according to claim 1, wherein the airbag is externally arranged outside the tube wall above the air outlet 5-20mm above the air outlet, and the airbag is inflated after inflation. The outer diameter is less than 25mm.

5. A nasopharyngeal ventilation tube with a conical upturned head with an airbag according to claim 1, wherein the lower end of the airbag inflation tube is communicated with the airbag, and the upper end of the airbag inflation tube is connected to the airbag Airbag inflation port with one-way valve.

6 . The nasopharyngeal ventilation tube with a conical upturned head with an airbag according to claim 1 , wherein a carbon dioxide collection port is provided at the lower end of the carbon dioxide collection tube, and the carbon dioxide collection port is located at the outlet. 7 . In the inner cavity of the gas port tube wall, the upper end of the carbon dioxide collection tube is connected with the carbon dioxide collection interface, and the carbon dioxide collection interface is connected with the carbon dioxide monitor for monitoring the carbon dioxide concentration.

7. The nasopharyngeal ventilation tube with a conical upturned head with an airbag as claimed in claim 1, wherein the air inlet is provided with a multifunctional three-way joint for use with it, and the The lower end of the multi-function three-way connector is an airway interface, and the side is a breathing circuit interface. The upper part of the airway interface is sequentially provided with a closing cover and a funnel-shaped elastic valve membrane from top to bottom.

8 . The nasopharyngeal air tube with a conical upturned head with an airbag according to claim 7 , wherein the breathing circuit interface is provided with an inner port and an outer port. 9 .