CN219700734U - Dual-channel nasal oxygen cannula for oxygen economizer - Google Patents
Dual-channel nasal oxygen cannula for oxygen economizer Download PDFInfo
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- CN219700734U CN219700734U CN202321688611.0U CN202321688611U CN219700734U CN 219700734 U CN219700734 U CN 219700734U CN 202321688611 U CN202321688611 U CN 202321688611U CN 219700734 U CN219700734 U CN 219700734U
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- air inlet
- way valve
- channel
- oxygen
- shell
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 239000001301 oxygen Substances 0.000 title claims abstract description 97
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 97
- 239000012528 membrane Substances 0.000 claims abstract description 34
- 229920000742 Cotton Polymers 0.000 claims abstract description 14
- 238000005192 partition Methods 0.000 claims description 23
- 230000009977 dual effect Effects 0.000 claims description 14
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims 1
- 230000003749 cleanliness Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a double-channel nasal oxygen tube for an oxygen economizer, which comprises a one-way valve filter, a main pipe, a branch pipe and a nasal suction head; the one-way valve filter comprises an air inlet shell, a one-way valve membrane, filter cotton and an air outlet shell; the main pipe is connected with the air inlet shell, the branch pipe is connected with the air outlet shell, and the nose suction head is connected with the branch pipe. The one-way valve diaphragm is initially positioned at a first position, and the one-way valve diaphragm is abutted against the inner wall of the air inlet shell or a small gap is formed between the one-way valve diaphragm and the inner wall of the air inlet shell; when the device works, the one-way valve diaphragm is positioned at the second position, the one-way valve diaphragm is separated from the inner wall of the air inlet shell, an air inlet gap is formed, and oxygen enters the air inlet cavity from the air inlet channel. The double-channel nasal oxygen tube for the oxygen economizer disclosed by the utility model can be respectively connected with the signal joint and the oxygen supply joint of the oxygen economizer, so that one end of the nasal oxygen tube receives a signal, the other end of the nasal oxygen tube transmits oxygen, and meanwhile, the filter inside the nasal oxygen tube also ensures the cleanliness of inhaled oxygen, and the nasal oxygen tube is compact and small in structure and simple to assemble.
Description
Technical Field
The utility model relates to the technical field of oxygen supply apparatuses, in particular to a double-channel nasal oxygen tube for an oxygen economizer.
Background
The purpose of oxygen inhalation is to reduce the blood oxygen saturation (SpO) 2 ) To raise the oxygen concentration to normal level, the oxygen is inhaled too much to be beneficial to the body and is likely to cause harm to the body, and currently, pulse oxygen supply is performed by adopting an oxygen economizer for solving the problem.
The Chinese patent with publication number CN 218923495U discloses a dual-channel medical nasal catheter, which comprises a bracket fixed on the peripheral side of the nose, wherein the lower side of the bracket is attached to the nose lip area to form an air supply part; an air inlet main pipe is arranged at the front side or the side of the air supply part, and an air inlet branch pipe is arranged at the side wall of the air inlet main pipe; the upper side of the air supply part is provided with two nasal tubes which are respectively communicated with the air inlet main pipe, the device has the advantages that the front side or the side of the air supply part is provided with the air inlet main pipe, and the side wall of the air inlet main pipe is provided with the air inlet branch pipe; in the non-operation period, the air inlet branch pipe is connected with an oxygen supply system of a hospital ward; in the operation period, the air inlet branch pipe is plugged, the breathing machine is directly connected to the air inlet main pipe, a nasal catheter is not required to be replaced, and the method is rapid and convenient.
Another example is chinese patent publication No. CN 215024446U, which discloses a nostril gas supply tube, including a main tube, the main tube is a two-channel tube structure; the front end of one channel of the main pipe is connected with a first gas connector, and the rear end of the main pipe is connected with a first gas pipe; the front end of the other channel of the main pipe is connected with a gas joint II, the rear end of the main pipe is connected with a gas pipe II, the gas pipe I and the gas pipe II are respectively provided with a single-phase conducting valve, and the rear ends of the gas pipe I and the gas pipe II are connected with a gas outlet pipe I and a gas outlet pipe II. The advantages that the hydrogen and oxygen double-source nostril gas supply can be realized through the two separated gas supply pipelines, and the possibility of explosion of the hydrogen and oxygen mixed gas inlet can be reduced.
A common disadvantage of the above patents is that control signal and oxygen delivery isolation is not achieved. The pulse control signal and oxygen output can cause signal error in the same pipeline to influence oxygen inhalation feeling, and the oxygen economizer used for a long time inevitably enters dust and other problems.
Disclosure of Invention
The utility model aims to overcome the problems and provide a double-channel nasal oxygen tube for an oxygen economizer, wherein a one-way valve diaphragm and a filter are arranged at the joint.
In order to achieve the above object, the technical scheme of the present utility model is as follows:
a double-channel nasal oxygen tube for an oxygen economizer comprises a one-way valve filter, a main tube, a branch tube and a nasal suction head;
the one-way valve filter comprises an air inlet shell, a one-way valve membrane, filter cotton and an air outlet shell;
the main pipe is connected with the air inlet shell, the branch pipe is connected with the air outlet shell, and the nose suction head is connected with the branch pipe;
the air inlet shell is provided with an air inlet connector, an air inlet channel is arranged in the air inlet connector, and an air inlet partition plate is arranged in the air inlet cavity;
the one-way valve diaphragm is arranged on the inner wall of the air inlet shell; the one-way valve diaphragm is blocked on the outlet of the air inlet channel; the check valve diaphragm is rotatable between a first position and a second position.
In the first position, the one-way valve membrane is abutted with the inner wall of the air inlet shell or a small gap is formed between the one-way valve membrane and the inner wall of the air inlet shell, and the one-way valve membrane is in an initial state at the moment; in the second position, the one-way valve membrane is separated from the inner wall of the air inlet shell to form an air inlet gap, and oxygen enters the air inlet cavity from the air inlet channel and is in a working state at the moment.
The filter cotton is arranged between the air inlet shell and the air outlet shell and is coaxial with the air inlet shell and the air outlet shell;
the air outlet shell is provided with an air outlet connector, an air outlet channel is arranged in the air outlet connector, and an air outlet baffle plate is arranged in the air outlet cavity;
further, the air inlet partition plate equally divides the air inlet cavity into two halves; the air outlet partition plate equally divides the air outlet cavity into two halves.
Further, the main pipes are respectively arranged on the air inlet joints, at least 2 air inlet joints are arranged, the branch pipes are respectively arranged on the air outlet joints, and at least 2 air outlet joints are arranged;
further, the one-way valve membrane is coaxially arranged with the outlet of the air inlet channel, and the diameter of the one-way valve membrane is larger than that of the outlet of the air inlet channel.
Furthermore, the air inlet partition plate and the air outlet partition plate of the filter cotton quilt are tightly pressed, and the width and the direction of the air inlet partition plate and the air outlet partition plate are the same.
Further, the air guide support plates are arranged on the air outlet shell, and the number of the air guide support plates is not less than 2.
Further, the air inlet shell is tightly connected with the air outlet shell.
Further, a microporous separator is arranged in the nasal suction head, and the diameter of the microporous separator is not more than 0.5mm.
Further, the whole L-shaped structure of air inlet channel, inside circular passageway, the terminal surface of exit and the inner wall of air inlet shell flush.
Further, the one-way valve membrane is made of elastic material, preferably silica gel; one end of the one-way valve diaphragm is fixed on the inner wall of the air inlet shell in a hinged mode, and keeps not to deform under the action of gravity.
Further, the material of the filter cotton is a material having good air permeability, and is preferably a nonwoven fabric.
Compared with the existing nasal oxygen cannula, the nasal oxygen cannula has the beneficial effects that:
(1) The filter arranged in the double-channel nasal oxygen tube for the oxygen economizer can filter harmful dust to improve the safety and further improve the oxygen inhalation comfort level of patients;
(2) The one-way valve membrane arranged in the two-channel nasal oxygen tube can effectively isolate control signals from oxygen output, and improves oxygen inhalation feeling.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic view of a dual channel nasal oxygen cannula for an oxygen device according to one embodiment of the present utility model
FIG. 2 is an exploded schematic view of a one-way filter for a dual channel nasal oxygen cannula of an oxygen device in accordance with one embodiment of the present utility model;
FIG. 3 is an overall schematic diagram of a one-way valve filter for a dual channel nasal oxygen cannula of an oxygen device in accordance with one embodiment of the present utility model;
FIG. 4 is a partial cross-sectional view of a one-way valve filter for a dual channel nasal oxygen cannula of an oxygen device in accordance with one embodiment of the present utility model;
FIG. 5 is a schematic view of the air intake housing of a one-way valve filter for a dual channel nasal oxygen cannula of an oxygen device (one-way valve membrane in a first position) according to one embodiment of the present utility model;
FIG. 6 is a schematic view of the air intake housing of a one-way valve filter for a dual channel nasal oxygen cannula of an oxygen device (the one-way valve membrane is in a second position) according to one embodiment of the present utility model;
FIG. 7 is a schematic view of an outlet housing of a one-way valve filter for a dual channel nasal oxygen cannula of an oxygen regulator according to an embodiment of the present utility model;
FIG. 8 is a schematic view of a nasal tip for a dual channel nasal oxygen cannula of an oxygen device according to one embodiment of the present utility model
In the figure: 1. a one-way valve filter; 11. an air intake housing; 111. an air inlet joint; 112. an air intake passage; 113. an air intake partition; 114. an air inlet cavity; 12. a one-way valve diaphragm; 13. filtering cotton; 14. an air outlet housing; 141. an air outlet joint; 142. an air outlet channel; 143. an air outlet separator; 144. an air outlet cavity; 145. an air guide support plate; 2. a main pipe; 3. a branch pipe; 4. a nasal aspirator; 41. a microporous separator.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. 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.
As shown in fig. 1 to 7, the dual-channel nasal oxygen cannula for an oxygen regulator provided by the embodiment comprises a one-way valve filter, a main pipe, a branch pipe and a nasal suction head;
the one-way valve filter 1 comprises an air inlet shell 11, a one-way valve membrane 12, filter cotton 13 and an air outlet shell 14; the main pipe 2 is connected with the air inlet shell 11, the branch pipe 3 is connected with the air outlet shell 14, and the nasal suction head 4 is connected with the branch pipe 3; the air inlet shell 11 is provided with an air inlet joint 111, an air inlet channel 112 is arranged in the air inlet joint 111, and an air inlet partition plate 113 is arranged in an air inlet cavity 114; the one-way valve membrane 12 is arranged on the inner wall of the air inlet shell 11; the check valve membrane 12 is blocked on the outlet of the air inlet passage 112; the check valve membrane 12 is movable between a first position in which the check valve membrane 12 abuts against the inner wall of the intake housing 11 or a slight gap is provided therebetween, and is in an initial state; in the second position, the one-way valve membrane 12 is separated from the inner wall of the air inlet shell 11 to form an air inlet gap, and oxygen enters the air inlet cavity 114 from the air inlet channel 112 and is in an operating state at the moment;
the filter cotton 13 is arranged between the air inlet shell 11 and the air outlet shell 14 and is coaxial with the air inlet shell; the air outlet shell 14 is provided with an air outlet connector 141, an air outlet channel 142 is arranged in the air outlet connector 141, and an air outlet partition 143 is arranged in an air outlet cavity 144;
the air inlet partition 113 equally divides the air inlet cavity 114 into two halves; the outlet partition 143 equally divides the outlet chamber 144 in half.
The main pipes 2 are respectively arranged on the air inlet joints 111, at least 2 air inlet joints 111 are arranged, the branch pipes 3 are respectively arranged on the air outlet joints 141, and at least 2 air outlet joints 141 are arranged;
the one-way valve membrane 12 is coaxially arranged with the outlet of the air inlet channel 112, and the diameter of the one-way valve membrane 12 is larger than that of the outlet of the air inlet channel 112.
The filter cotton 13 is tightly pressed by the air inlet partition plate 113 and the air outlet partition plate 143, and the widths and directions of the air inlet partition plate 113 and the air outlet partition plate 143 are the same.
The air outlet housing 14 is provided with an air guide support plate 145, and the number of the air guide support plates is not less than 2.
The air inlet housing 11 is tightly connected with the air outlet housing 14.
The nose suction head 4 is internally provided with a microporous baffle 41, and the diameter of the microporous baffle is not more than 0.5mm.
The utility model discloses a double-channel nasal oxygen tube for an oxygen economizer, which comprises the following working processes:
the main pipe 2 is provided with 2 independent pipelines connected with the oxygen-saving device, one pipeline is connected with a signal joint of the oxygen-saving device, and the other pipeline is connected with an oxygen supply joint. The head end of the nose suction head 4 is worn by a person and inserted into nostrils. When a person inhales, micro negative pressure is generated in the pipeline, the one-way valve membrane 12 is driven to move from the first position to the second position, the one-way valve membrane 12 is separated from the inner wall of the air inlet shell (11), an air inlet gap is formed, the signal of the oxygen economizer is started after receiving the micro negative pressure signal, at the moment, oxygen enters the air inlet cavity 114 through the main pipe 2 at the other side, enters the air outlet cavity 144 after being filtered through the filter cotton 13, and then flows out of the nasal suction head 4 through the outlet branch pipe 3 to be inhaled by the person.
The air inlet baffle 113 and the air outlet baffle 143 in the double-channel nasal oxygen tube for the oxygen economizer can divide the air inlet 114 cavity and the air outlet cavity 144 into two parts, the two parts are not mutually influenced, one end receives signals and the other end transmits oxygen, and the double-channel nasal oxygen tube for the oxygen economizer has a compact and small structure and is simple to assemble.
Preferably, in the oxygen output process, after oxygen flows out of the check valve membrane 12, the pressure in the air inlet cavity 114, the air outlet cavity 144 and the branch pipe 3 is increased, at this time, the check valve membrane 12 gradually moves to the first position due to the elasticity of the elastic material, when the pressure in the air inlet cavity 114 is greater than the pressure in the main pipe 2, the check valve membrane 12 is tightly attached to the inner wall of the air inlet cavity 114 due to the pressure effect of the air inlet cavity 114, so that oxygen backflow is prevented, and the oxygen transmission is stopped after the signal termination of the oxygen saver detects that the micro negative pressure signal disappears.
Preferably, an air guide support plate 145 is disposed in the air outlet chamber 144, and the filter cotton 13 is generally made of a thin and soft material, and the air guide support plate 145 can effectively prevent deformation caused by pressure generated during oxygen transportation; meanwhile, the opening side of the air guide support plate 145 faces the air outlet channel 142, and has a flow guiding effect on the output oxygen.
Preferably, a microporous separator 41 is provided in the nasal tip 4, and when oxygen flows out from one side of the branch pipe 3, the oxygen flowing through the microporous separator 41 is throttled, so that both nostrils can absorb oxygen and signal interference of the branch pipe 3 at the other side can be reduced.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. The double-channel nasal oxygen tube for the oxygen economizer is characterized by comprising a one-way valve filter (1), a main tube (2), a branch tube (3) and a nasal suction head (4);
the one-way valve filter (1) comprises an air inlet shell (11), a one-way valve membrane (12), filter cotton (13) and an air outlet shell (14);
the main pipe (2) is connected with the air inlet shell (11), the branch pipe (3) is connected with the air outlet shell (14), and the nose suction head (4) is connected with the branch pipe (3);
the air inlet shell (11) is provided with an air inlet joint (111), an air inlet channel (112) is arranged in the air inlet joint (111), and an air inlet partition plate (113) is arranged in an air inlet cavity (114);
the one-way valve membrane (12) is arranged on the inner wall of the air inlet shell (11); the one-way valve membrane (12) is blocked on the outlet of the air inlet channel (112); the one-way valve diaphragm (12) being movable between a first position and a second position;
in the first position, the one-way valve membrane (12) is abutted against the inner wall of the air inlet shell (11) or a small gap is formed between the two, and is in an initial state; in the second position, the one-way valve membrane (12) is separated from the inner wall of the air inlet shell (11) to form an air inlet gap, and oxygen enters the air inlet cavity from the air inlet channel and is in a working state at the moment;
the filter cotton (13) is arranged between the air inlet shell (11) and the air outlet shell (14) and is coaxial with the air inlet shell and the air outlet shell;
the air outlet shell (14) is provided with an air outlet connector (141), an air outlet channel (142) is arranged in the air outlet connector (141), and an air outlet partition plate (143) is arranged in the air outlet cavity (144).
2. The dual channel nasal oxygen cannula of claim 1, wherein the inlet baffle (113) equally divides the inlet chamber (114) in half; the air outlet partition plate (143) divides the air outlet cavity (144) into two halves on average.
3. The dual-channel nasal oxygen cannula according to claim 1, wherein the main tubes (2) are respectively installed on the air inlet connectors (111), the main tubes (2) have at least 2 independent pipelines, the air inlet connectors (111) have at least 2, the branch tubes (3) are respectively installed on the air outlet connectors (141), the branch tubes (3) have at least 2 independent pipelines, and the air outlet connectors (141) have at least 2.
4. The dual channel nasal oxygen cannula of claim 1, wherein the one-way valve membrane (12) is positioned coaxially with the inlet channel (112) outlet, and wherein the one-way valve membrane (12) has a diameter greater than the inlet channel (112) outlet diameter.
5. The dual-channel nasal oxygen cannula according to claim 1, wherein the filter cotton (13) is tightly pressed by the air inlet partition board (113) and the air outlet partition board (143), and the width and direction of the air inlet partition board (113) and the air outlet partition board (143) are the same.
6. The dual channel nasal oxygen cannula according to claim 1, wherein the air outlet housing (14) has no less than 2 air guide support plates (145) disposed thereon.
7. The dual channel nasal oxygen cannula according to claim 1, wherein the inlet housing (11) is tightly connected to the outlet housing (14).
8. The dual channel nasal oxygen cannula according to claim 1, characterized in that the nasal tip (4) has a microporous barrier (41) therein with a diameter of no more than 0.5mm.
9. The dual channel nasal oxygen cannula according to claim 1, wherein the air inlet channel (112) is generally L-shaped in configuration, with a circular channel inside, and the end face at the outlet is flush with the inner wall of the air inlet housing (11).
10. The dual-channel nasal oxygen cannula according to claim 1, wherein the one-way valve membrane (12) is made of an elastic material, and one end of the one-way valve membrane (12) is fixed on the inner wall of the air inlet housing (11) in a hinged manner, and is kept free from deformation under the action of gravity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321688611.0U CN219700734U (en) | 2023-06-30 | 2023-06-30 | Dual-channel nasal oxygen cannula for oxygen economizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321688611.0U CN219700734U (en) | 2023-06-30 | 2023-06-30 | Dual-channel nasal oxygen cannula for oxygen economizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219700734U true CN219700734U (en) | 2023-09-19 |
Family
ID=87977885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321688611.0U Active CN219700734U (en) | 2023-06-30 | 2023-06-30 | Dual-channel nasal oxygen cannula for oxygen economizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219700734U (en) |
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2023
- 2023-06-30 CN CN202321688611.0U patent/CN219700734U/en active Active
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