CN220495380U

CN220495380U - Nasopharynx breather pipe

Info

Publication number: CN220495380U
Application number: CN202222143299.9U
Authority: CN
Inventors: 李先华; 晨光; 贺广宝; 祝义军
Original assignee: Shanghai Jiading District Central Hospital
Current assignee: Shanghai Jiading District Central Hospital
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2024-02-20
Anticipated expiration: 2032-08-15

Abstract

The utility model discloses a nasopharynx breather pipe, which comprises a nasopharynx pipe body with an inner cavity, wherein one end of the nasopharynx pipe body can extend into a nasal cavity, an oxygen channel and a carbon dioxide channel are arranged on the side wall of the nasopharynx pipe body, wherein the oxygen channel can be communicated with an oxygen connecting pipe, oxygen is introduced into the nasopharynx pipe body in the past, and the oxygen is conveyed to the nasal cavity; the carbon dioxide channel is communicated with the carbon dioxide connecting pipe, and carbon dioxide exhaled from the nasal cavity is discharged from the carbon dioxide channel. The oxygen channel and the carbon dioxide channel are mutually independent on the side wall of the nasopharynx tube body, so that the influence on the detection of carbon dioxide caused by the disturbance of the oxygen flow to the carbon dioxide flow during oxygen supply is avoided, and the accuracy of the carbon dioxide concentration measurement result in the nasopharynx tube body can be improved during oxygen supply.

Description

Nasopharynx breather pipe

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a nasopharynx breather pipe.

Background

The nasopharynx breather pipe is a simple upper respiratory tract breather with high cost performance, is used as an airway auxiliary device by a plurality of departments in the first aid and anesthesia recovery period, and mainly relieves upper respiratory tract obstruction caused by glossoptosis and the like.

When the concentration of carbon dioxide is detected, the air flow of high-flow oxygen in the cavity of the nasopharynx breather pipe interferes with the monitoring of the carbon dioxide, so that the waveform of the carbon dioxide cannot be detected or the value is inaccurate, and in addition, the mouth of a catheter for monitoring the carbon dioxide is easy to be blocked by sputum, so that the monitoring is interrupted.

Disclosure of Invention

Therefore, the utility model aims to overcome the defect of inaccurate carbon dioxide detection value in the prior art, thereby providing the nasopharynx vent pipe.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

the nasopharynx breather pipe comprises a nasopharynx pipe body with an inner cavity, wherein an oxygen channel and a carbon dioxide channel which are communicated along the extending direction of the nasopharynx pipe body are arranged on the pipe wall of the nasopharynx pipe body, and the oxygen channel and the carbon dioxide channel are mutually independent; one end of the oxygen channel is communicated with an oxygen connecting pipe, and one end of the carbon dioxide channel is connected with a carbon dioxide connecting pipe.

According to some embodiments of the utility model, one end of the nasopharynx tube body is provided with an outer port, an end cap is plugged onto the outer port, and the other end of the nasopharynx tube body is provided with an inner port, the inner port being adapted to extend into the nasal cavity.

According to some embodiments of the utility model, the end cover is provided with a first through hole corresponding to the oxygen channel and a second through hole corresponding to the carbon dioxide channel, the oxygen connecting pipe passes through the first through hole to be in butt joint with the oxygen channel, and the carbon dioxide connecting pipe passes through the second through hole to be in butt joint with the carbon dioxide channel.

According to some embodiments of the utility model, the nasopharynx tube body has a plurality of ventilation holes formed on a side wall thereof adjacent to the inner port.

According to some embodiments of the utility model, the inner port is a beveled port.

According to some embodiments of the utility model, one end of the oxygen connecting pipe is connected with a first adapter used for communicating with an oxygen pipe for supplying oxygen; the other end of the carbon dioxide connecting pipe is provided with a second adapter used for being communicated with the carbon dioxide concentration detection device.

According to some embodiments of the utility model, the first adapter comprises a first communication port and two second communication ports, wherein the first communication port is connected with the oxygen pipe, and the two second communication ports are arranged side by side and are used for being connected with the oxygen pipe.

According to some embodiments of the utility model, the length of the oxygen passage is longer than the length of the carbon dioxide passage and shorter than the length of the nasopharynx tube, and the ends of the oxygen passage and the carbon dioxide passage distal from the end cap are in communication with the lumen of the nasopharynx tube.

According to some embodiments of the utility model, the nasopharyngeal tube is made of an elastic material.

According to some embodiments of the utility model, the nasopharyngeal tube is made of a silicone or rubber material.

The technical scheme of the utility model has the following advantages:

1. according to the nasopharynx breather pipe provided by the utility model, the oxygen channel and the carbon dioxide channel are mutually independent on the pipe wall of the nasopharynx pipe body, so that oxygen gas flow cannot enter the carbon dioxide channel during oxygen supply, the detection of the carbon dioxide gas flow is prevented from being disturbed by the oxygen gas flow, and the accuracy of a carbon dioxide concentration measurement result can be improved during oxygen supply.

2. According to the nasopharynx breather pipe provided by the utility model, the side wall of the nasopharynx pipe body, which is close to the inner port, is provided with the plurality of breather holes, so that the breather smoothness can be ensured.

3. The nasopharynx breather pipe provided by the utility model can be directly communicated with the oxygen pipe through the first conversion port, so that the oxygen pipe is prevented from being cut, and the efficiency in clinical application is improved.

4. The nasopharynx breather pipe provided by the utility model has the advantages that the inner port and the nasopharynx pipe body are not on the same axis, so that the blockage of foreign matters can be avoided, and the ventilation smoothness is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of a nasopharyngeal airway provided in some embodiments of the present utility model;

FIG. 2 is a block diagram of a port of an end cap in some embodiments of the utility model;

FIG. 3 is a block diagram of the end of a nasopharyngeal tube connected to an end cap in some embodiments of the utility model.

Reference numerals illustrate: 1. a nasopharyngeal tube; 2. an oxygen passage; 3. a carbon dioxide channel; 4. an oxygen take-over; 5. a carbon dioxide connection pipe; 6. an end cap; 11. an inner port; 12. a vent hole; 41. a first adapter; 51. a second adapter; 61. a first through hole; 62. and a second through hole.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Referring to fig. 1, a nasopharynx vent pipe according to some embodiments of the present utility model includes a nasopharynx pipe body 1 having an inner cavity, an oxygen passage 2 and a carbon dioxide passage 3 penetrating along an extending direction of the nasopharynx pipe body 1 are provided on a pipe wall of the nasopharynx pipe body 1, and the oxygen passage 2 and the carbon dioxide passage 3 are provided independently of each other; one end of the oxygen channel 2 is communicated with an oxygen connecting pipe 4, and one end of the carbon dioxide channel 3 is connected with a carbon dioxide connecting pipe 5.

Specifically, one end of the nasopharynx tube body 1 can extend into the nasal cavity, an oxygen channel 2 and a carbon dioxide channel 3 are arranged on the side wall of the nasopharynx tube body 1, wherein the oxygen channel 2 can be communicated with an oxygen connecting tube 4, and oxygen is introduced into the oxygen channel 2 of the nasopharynx tube body 1 in the past and is conveyed to the nasal cavity; the carbon dioxide channel 3 is communicated with a carbon dioxide connecting pipe 5, and carbon dioxide exhaled from the nasal cavity is discharged from the carbon dioxide channel 3. The oxygen channel 2 and the carbon dioxide channel 3 are mutually independent on the pipe wall of the nasopharynx pipe body 1, and when oxygen is supplied, oxygen gas flow can not enter the carbon dioxide channel 3, so that the detection of the disturbance of the oxygen gas flow on the carbon dioxide gas flow is avoided, and the accuracy of the carbon dioxide concentration measurement result can be improved in the oxygen supply process.

In some embodiments of the present utility model, an outer port is formed at one end of the nasopharynx tube body 1, an inner port 11 is formed at the other end, the outer port and the inner port 11 are positioned at two ends of the inner cavity of the nasopharynx tube body 1, and the outer port is in stuffed connection with the end cover 6.

Specifically, the end of the nasopharynx tube body 1 provided with the inner port 11 extends into the nasal cavity so that the nasal cavity communicates with the nasopharynx tube body 1. The other end of the nasopharynx tube body 1 is provided with an end cover 6, the oxygen connecting tube 4 and the carbon dioxide connecting tube 5 are all arranged on the end cover 6 in a penetrating mode, the end cover 6 seals one end of the nasopharynx tube body 1, so that oxygen can enter the nasal cavity, carbon dioxide can be discharged through the carbon dioxide connecting tube 5 and detected, and accuracy of a carbon dioxide concentration detection value is guaranteed.

Referring to fig. 2, in some embodiments of the present utility model, the end cap 6 is provided with a first through hole 61 corresponding to the oxygen channel 2 and a second through hole 62 corresponding to the carbon dioxide channel 3, and the first through hole 61 and the second through hole 62 are elongated.

Specifically, the oxygen connecting pipe 4 is inserted into the oxygen channel 2 from the first through hole 61, the carbon dioxide connecting pipe 5 is inserted into the carbon dioxide channel 3 from the second through hole 62, and the first through hole 61 and the second through hole 62 are long and narrow, so that the oxygen connecting pipe 4 and the carbon dioxide connecting pipe 5 can be fixed conveniently.

Referring to fig. 3, in some embodiments of the present utility model, the inner diameter of the oxygen passage 2 is larger than the inner diameter of the carbon dioxide passage 3, and the inner diameter of the oxygen passage 2 is larger than or equal to the outer diameter of the oxygen nipple 4, and the inner diameter of the carbon dioxide passage 3 is larger than or equal to the outer diameter of the carbon dioxide nipple 5, so that connection of the oxygen nipple 4 and the carbon dioxide nipple 5 is facilitated. The oxygen channel 2 and the carbon dioxide channel 3 are both circular in cross section.

In some embodiments of the present utility model, the oxygen adapter 4 and the carbon dioxide adapter 5 are integrally provided, so as to facilitate storage.

In some embodiments of the utility model, the nasopharyngeal tube 1 is provided with a plurality of ventilation holes 12 on its side wall adjacent to the inner port 11.

Specifically, in order to avoid that foreign matters in the respiratory tract block the inner port 11 and then affect the smoothness of the air flow, so as to cause respiratory tract obstruction, a plurality of ventilation holes 12 are formed in the side wall close to the inner port 11, and the ventilation holes 12 have the advantage that when the foreign matters block the inner port 11, the air flow can enter or flow out of the nasopharynx tube body 1 from the ventilation holes 12, so that the smoothness of the air flow is ensured.

In some embodiments of the present utility model, the inner port 11 is a beveled port.

Specifically, when the axial direction of the inner port 11 coincides with the axial direction of the nasopharynx tube body 1, foreign matter easily enters the nasopharynx tube body 1 from the inner port 11, thereby causing the blockage of the oxygen passage 2 or the carbon dioxide passage 3, affecting the smoothness of the air flow. When the inner port 11 is an inclined port, the inner port 11 extends upwards into the nasal cavity, and a check part is arranged at the lower side of the nasopharynx tube body 1, so that check of foreign matters is facilitated, and blocking of the inner port 11 by the foreign matters is avoided.

In some embodiments of the utility model, a first adapter 41 for communicating with an oxygen tube for supplying oxygen is connected to one end of the oxygen adapter 4; the other end of the carbon dioxide connection pipe 5 is provided with a second adapter 51 for communicating with a carbon dioxide concentration detection device.

In some embodiments of the utility model, the first adapter 41 comprises a first communication port and two second communication ports arranged opposite to each other, the first communication port being connected to the oxygen pipe 4, the two second communication ports being arranged side by side and being adapted to be connected to an oxygen pipe.

Specifically, in the clinical application process, the outlet section of the oxygen pipe is provided with two interfaces, so as to ensure the rapid insertion of the oxygen pipe and the oxygen connecting pipe 4, and one end of the oxygen connecting pipe 4 is provided with a first adapter 41, thereby avoiding the need of trimming the oxygen pipe in the clinical application process, saving the operation time and improving the efficiency. The second adapter 51 provided at the other end of the carbon dioxide connection pipe 5 is communicated with a carbon dioxide concentration detection device.

In some embodiments of the utility model, the length of the oxygen channel 2 is longer than the length of the carbon dioxide channel 3 and shorter than the length of the nasopharyngeal tube 1, and the ends of the oxygen channel 2 and the carbon dioxide channel 3 distal from the end cap 6 are in communication with the lumen of the nasopharyngeal tube 1.

Specifically, oxygen is introduced into the nasopharynx tube 1 through the oxygen passage 2, carbon dioxide is discharged from the nasopharynx tube 1 through the carbon dioxide passage 3 to the carbon dioxide detecting device, and the flow directions of the oxygen passage 2 and the carbon dioxide passage 3 are opposite. The length of the oxygen channel 2 is longer than that of the carbon dioxide channel 3, so that the influence of the oxygen flow on the carbon dioxide flow during oxygen supply can be avoided, and the accuracy of the carbon dioxide concentration detection result is improved.

It will be appreciated that in some embodiments of the utility model, the oxygen nipple 4 extends partially into the oxygen passage 2, and the port of the carbon dioxide nipple 5 is flush with the inner end face of the end cap 6.

In some embodiments of the utility model, the nasopharyngeal tube 1 is made of an elastic material. Specifically, since the nasopharynx tube body 1 is required to be inserted into the nasal cavity, the nasopharynx tube body 1 is made of an elastic material so that the nasopharynx tube body 1 is more easily inserted into the nasal cavity, and is made of an elastic material so that the nasopharynx tube body 1 has flexibility and is more attached to the nasal cavity.

In some embodiments of the utility model, the nasopharyngeal tube 1 is made of a silicone or rubber material.

The specific illustration shows that the silica gel and the rubber have good flexibility, no toxicity, good stability, high temperature resistance, easy cleaning, repeated use and reduced cost.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. The nasopharynx breather pipe is characterized by comprising a nasopharynx pipe body (1) with an inner cavity, wherein an oxygen channel (2) and a carbon dioxide channel (3) which are communicated along the extending direction of the nasopharynx pipe body (1) are arranged on the pipe wall of the nasopharynx pipe body (1), and the oxygen channel (2) and the carbon dioxide channel (3) are mutually independent; one end of the oxygen channel (2) is communicated with an oxygen connecting pipe (4), and one end of the carbon dioxide channel (3) is connected with a carbon dioxide connecting pipe (5).

2. The nasopharynx vent tube according to claim 1, wherein one end of the nasopharynx tube body (1) is provided with an outer port, an end cover (6) is plugged on the outer port, the other end of the nasopharynx tube body (1) is provided with an inner port (11), and the inner port (11) is suitable for extending into the nasal cavity.

3. The nasopharynx vent tube according to claim 2, wherein the end cover (6) is provided with a first through hole (61) corresponding to the oxygen channel (2) and a second through hole (62) corresponding to the carbon dioxide channel (3), the oxygen connecting tube (4) passes through the first through hole (61) to be in butt joint with the oxygen channel (2), and the carbon dioxide connecting tube (5) passes through the second through hole (62) to be in butt joint with the carbon dioxide channel (3).

4. The nasopharynx vent tube according to claim 2, wherein a plurality of vent holes (12) are provided in a side wall of the nasopharynx tube body (1) adjacent to the inner end (11).

5. The nasopharyngeal airway according to claim 2, wherein the inner port (11) is a beveled port.

6. The nasopharynx ventilation tube according to claim 1, wherein one end of the oxygen connection tube (4) is connected with a first adapter (41) for communicating with an oxygen tube for supplying oxygen; the other end of the carbon dioxide connecting pipe (5) is provided with a second adapter (51) which is communicated with the carbon dioxide concentration detection device.

7. The nasopharynx ventilation tube according to claim 6, wherein the first adapter (41) comprises a first communication port and two second communication ports arranged in opposition, the first communication port being connected to the oxygen nozzle (4), the two second communication ports being arranged side by side and being adapted to be connected to the oxygen tube.

8. The nasopharynx ventilation tube according to claim 2, wherein the length of the oxygen passage (2) is longer than the length of the carbon dioxide passage (3) and shorter than the length of the nasopharynx tube body (1), and an end of the oxygen passage (2) and the carbon dioxide passage (3) remote from the end cap communicates with the lumen of the nasopharynx tube body (1).

9. The nasopharyngeal airway according to claim 1, wherein the nasopharyngeal tube body (1) is made of an elastic material.

10. The nasopharyngeal airway according to claim 9, wherein the nasopharyngeal tube body (1) is made of a silicone or rubber material.