CN218652769U - Nasal oxygen cannula with single pipeline for equally dividing flow - Google Patents

Abstract

The utility model relates to a flow's nasal oxygen pipe is equallyd divide to single pipeline, including oxygen supply pipe (1) and set up two outlet duct (2) on oxygen supply pipe (1), be provided with in oxygen supply pipe (1) and cut off the structure, separate the inside passage of oxygen supply pipe (1) for oxygen supply passageway (7) and negative pressure passageway (8) through cutting off the structure, also be provided with in two outlet duct (2) and cut off the structure to cut off the structure and separate the inside passage of two outlet duct (2) for the oxygen supply and divide passageway (5) and negative pressure to divide passageway (3), two the oxygen supply divides passageway (5) all to communicate with oxygen supply passageway (7), and oxygen supply passageway (4) size that is located the upper reaches position is less than oxygen supply passageway (4) size that is located the low reaches position. The utility model discloses a reduce and be located oxygen suppliment entrance (4) size of oxygen supply pipe (1) upper reaches position to balanced the oxygen output volume of two outlet ducts (2), the oxygen volume that makes two nostrils of patient accept is more balanced.

Description

Nasal oxygen cannula with single pipeline for equally dividing flow

Technical Field

The utility model relates to an oxygen supply equipment technical field, especially a nasal oxygen tube of single pipeline equipartition flow.

Background

The nasal oxygen tube is a device for conveying oxygen transmitted by the oxygen supply tube to the nasal cavity of a user, and in order to reduce the waste of the oxygen, the oxygen supply device can supply oxygen when the user inhales, so that the nasal oxygen tube is provided with a negative pressure tube connected with a negative pressure device, when the user inhales, the negative pressure tube detects negative pressure, the oxygen supply of the oxygen supply device is controlled according to the negative pressure, when the user stops inhaling, a negative pressure signal disappears, and the oxygen supply device stops supplying oxygen.

The utility model patent with the application number of "202020343167.9" discloses a nasal oxygen pipe, snuffing joint and pulse oxygen supply device, connects oxygen supply pipe and negative pressure pipe respectively with the both ends that the snuffing connects in this patent to the outlet duct that will insert the nasal cavity inside is divided into two passageways, makes an outlet duct can communicate with negative pressure pipe and oxygen supply pipe simultaneously. However, in the technical scheme provided by the patent, the two outlet pipes are located at the upstream and downstream positions on the oxygen supply pipeline, so that in the oxygen supply process, the amount of oxygen which can be distributed to the outlet pipe located at the upstream position is always more than that of the oxygen located at the downstream position, and the problem of uneven oxygen distribution exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a nasal oxygen tube that can evenly distributed oxygen, make the oxygen volume of two outlet duct outputs more balanced.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a flow is equallyd divide to single pipeline nasal oxygen tube, includes and supplies the oxygen pipe and sets up two outlet ducts on supplying the oxygen pipe, be provided with in supplying the oxygen pipe and cut off the structure, separate the internal channel that supplies the oxygen pipe for oxygen suppliment passageway and negative pressure passageway through cutting off the structure, also be provided with in two outlet ducts and cut off the structure and separate the internal channel of two outlet ducts for oxygen suppliment subchannel and negative pressure subchannel, two the oxygen suppliment subchannel all communicates with the oxygen suppliment passageway, two the oxygen suppliment subchannel is the oxygen suppliment passway mouth, two in the oxygen suppliment passway mouth, the oxygen suppliment passway mouth size that is located the upper reaches position is less than the oxygen suppliment passway mouth size that is located the low reaches position, consequently when the oxygen air current passes through the passway mouth of upper reaches position, because the size of this oxygen suppliment passway mouth is little, has consequently restricted the entering volume of oxygen air current, has ensured that the oxygen suppliment passway mouth that is located the low reaches position gets into is enough to the oxygen volume of two outlet ducts has been balanced, two the negative pressure subchannel all communicates with negative pressure passageway.

Preferably, a nasal patch is arranged between the two air outlet pipes.

Preferably, the nasal patch is a semicircular sheet, and the nasal patch is perpendicular to the axis of the air outlet pipe.

Preferably, the two outlet pipes are positioned at the tail end of the oxygen supply pipe, and the two outlet pipes are axially distributed on the oxygen supply pipe.

Preferably, the tail end of the oxygen supply tube is provided with an ear belt hung on an ear, and the ear belt is of a sleeve-shaped structure. The structure and material of the ear band can be referred to the structure of the ear band in the mask. Only need can be fixed to oxygen supply pipe end, prevent that the outlet duct from removing can. Also can set up the ear area of two symmetries on oxygen supply pipe, two ear areas are hung respectively on two ears of user, have fixed the position of outlet duct.

The utility model has the advantages of it is following:

through reducing the size of the oxygen supply passage opening positioned at the upstream position of the oxygen supply pipe, the oxygen output quantity of the two air outlet pipes is balanced, the oxygen quantity received in the two nostrils of the patient is more balanced, and the oxygen supply effect is ensured.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of an oxygen supply pipe for connecting the present invention;

in the figure: 1-oxygen supply tube, 2-air outlet tube, 3-negative pressure channel, 4-oxygen supply channel port, 5-oxygen supply channel, 6-nasal patch, 7-oxygen supply channel, 8-negative pressure channel, and 9-negative pressure channel port.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

As shown in fig. 1-3, a nasal oxygen cannula with flow divided equally by a single tube comprises an oxygen supply tube 1 and two outlet tubes 2 arranged on the oxygen supply tube 1, wherein a partition structure is arranged in the oxygen supply tube 1, the internal channel of the oxygen supply tube 1 is divided into an oxygen supply passage 7 and a negative pressure passage 8 by the partition structure, a partition structure is also arranged in the two outlet tubes 2, and the partition structure divides the internal channel of the two outlet tubes 2 into an oxygen supply sub-passage 5 and a negative pressure sub-passage 3, the two oxygen supply sub-passages 5 are both communicated with the oxygen supply passage 7, the passage openings of the two oxygen supply sub-passages 5 and the oxygen supply passage 7 are oxygen supply passage openings 4, and the size of the oxygen supply passage opening 4 at the upstream position is smaller than that of the oxygen supply passage opening 4 at the downstream position, so that when the oxygen flow passes through the oxygen supply passage opening 4 at the upstream position, the size of the oxygen supply passage opening 4 is small, the entering amount of the oxygen supply passage opening 4 at the downstream position is limited, and the oxygen supply passage opening 4 at the downstream position is enough, thereby balancing the oxygen supply amount of the two outlet tubes 2, and the negative pressure passage 3 are both communicated with the oxygen supply passage 8. The port at the joint of the negative pressure sub-channel 3 and the oxygen supply pipe 1 is a negative pressure port 9.

The upstream position and the downstream position refer to the upstream and the downstream of the oxygen flow direction when the oxygen supply pipe supplies oxygen. The oxygen flow first passes through the oxygen supply passage port 4 at the upstream position, a part of the oxygen is discharged from the oxygen supply passage port 4, and the rest of the oxygen is discharged from the oxygen supply passage port at the downstream position.

Preferably, the length of oxygen supply pipe 1 and negative pressure pipe 4 is about 2cm for with oxygen supply equipment's oxygen supply pipe 1 way junction the nasal oxygen tube use the back, directly scrap it and abandon can, the shorter the length of oxygen supply pipe 1 and negative pressure pipe 4 is, the more can reduce cost. Because there are two passageways in the oxygen supply pipe 1, in order to avoid appearing the problem of two pipeline cross feed intercommunications when being connected with the oxygen supply pipe of oxygen supply equipment, consequently set up the mistake proofing structure of inserting on oxygen supply pipe 1, for example set up mutual matching recess or lug at two oxygen supply pipe butt joint positions, avoid the butt joint direction to make mistakes. Also can be in supplying 1 end of oxygen pipe to set up a reposition of redundant personnel joint 10, reposition of redundant personnel joint 10 one end is connected with oxygen pipe 1, the other end of reposition of redundant personnel structure has two interfaces, two interfaces communicate with oxygen suppliment passageway 7 and negative pressure passageway 8 respectively, this kind of setting mode can be convenient for to the pipeline fixed with arrange, ordinary nasal oxygen pipe both ends all have the pipeline, the both sides that make user's head all have the pipeline to need to be fixed, lead to user's head can not rotate at will, lead to supplying oxygen pipe 1 to fix inconveniently.

Preferably, a nasal patch 6 is arranged between the two air outlet pipes 2.

Preferably, the nose patch 6 is a semicircular sheet, and the nose patch 6 is perpendicular to the axis of the air outlet pipe 2.

Preferably, the two outlet pipes 2 are located at the end of the oxygen supply pipe 1, and the two outlet pipes 2 are axially distributed on the oxygen supply pipe 1.

Preferably, the tail end of the oxygen supply tube 1 is provided with an ear band used for being hung on an ear, and the ear band is of a sleeve-shaped structure. The structure and material of the ear band can be referred to the structure of the ear band in the mask. Only the tail end of the oxygen supply pipe 1 needs to be fixed, and the air outlet pipe 2 is prevented from moving. Also can set up the ear area of two symmetries on oxygen supply pipe 1, two ear areas hang respectively on user's two ears, have fixed the position of outlet duct 2. The fixing of the ear strap can be fixed to the oxygen supply tube 1 by means of glue.

Claims (5)

1. The utility model provides a flow's nasal oxygen pipe is equallyd divide to single pipeline, includes oxygen supply pipe (1) and sets up two outlet ducts (2) on oxygen supply pipe (1), its characterized in that: be provided with in oxygen supply pipe (1) and cut off the structure, will supply the internal passage of oxygen pipe (1) to separate for oxygen suppliment passageway (7) and negative pressure passageway (8) through cutting off the structure, also be provided with in two outlet ducts (2) and cut off the structure and divide passageway (5) and negative pressure branch passageway (3), two for the oxygen suppliment with the internal passage of two outlet ducts (2) the oxygen suppliment divides passageway (5) all to communicate with oxygen suppliment passageway (7), two the oxygen suppliment divides passageway (5) and the passway of oxygen suppliment passageway (7) department to be oxygen suppliment passway mouth (4), two in oxygen suppliment passway (4), oxygen suppliment passway mouth (4) size that is located the upper reaches position is less than oxygen suppliment passway mouth (4) size that is located the low reaches position, two negative pressure branch passageway (3) all communicate with negative pressure passageway (8).

2. The nasal oxygen cannula for flow equalization of single tube according to claim 1, wherein: a nasal patch (6) is arranged between the two air outlet pipes (2).

3. The nasal oxygen cannula for single-duct even flow rate distribution according to claim 2, wherein: the nose patch (6) is a semicircular sheet, and the nose patch (6) is vertical to the axis of the air outlet pipe (2).

4. The nasal oxygen cannula for flow equalization of single conduit of claim 1, wherein: the two air outlet pipes (2) are positioned at the tail end of the oxygen supply pipe (1), and the two air outlet pipes (2) are axially distributed on the oxygen supply pipe (1).

5. The nasal oxygen cannula for single-duct even flow rate distribution according to claim 4, wherein: the tail end of the oxygen supply tube (1) is provided with an ear belt used for being hung on ears, and the ear belt is of a sleeve-shaped structure.

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