CN216222589U

CN216222589U - Disposable venturi humidifying nasal catheter

Info

Publication number: CN216222589U
Application number: CN202122688324.7U
Authority: CN
Inventors: 何雄平; 陈红; 高敏; 管春霞; 张玲玲; 杨瑞婷; 李锐萍
Original assignee: Chenggong Hospital Of Kunming Yan'an Hospital
Current assignee: Chenggong Hospital Of Kunming Yan'an Hospital
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-04-08
Anticipated expiration: 2031-11-04

Abstract

The utility model provides a disposable Venturi humidification nasal catheter which comprises a Venturi tube, wherein one end of the Venturi tube is connected with a filter, the other end of the filter is provided with an extension tube, the other end of the extension tube is connected with a nasal plug, a fixed filter plate is arranged in the filter and faces one side of the extension tube, one side of the fixed filter plate is attached with a filter membrane, and the other side of the filter membrane is filled with a humidification layer; the venturi other end is connected with fixed pipe, and two guide plates are installed respectively at both ends about fixed pipe is inside, and arranges in turn around the upper and lower guide plate is, and the lower extreme guide plate is kept away from venturi one side and is connected with the hang plate, and the fixed pipe lower extreme is connected with the honeycomb duct, is equipped with control flap on the honeycomb duct, and the honeycomb duct lower extreme is connected with the water bottle. The nasal oxygen tube can prevent oxygen carrying water drops from entering the nasal oxygen tube, can provide sufficient oxygen and ensure the humidifying effect of the oxygen, and ensures the high flow of the oxygen, so that exhaled air is difficult to stay and the nasal oxygen tube does not have gas to respire basically.

Description

Disposable venturi humidifying nasal catheter

Technical Field

The utility model mainly relates to the technical field of medical appliances, in particular to a disposable Venturi humidification nasal catheter.

Background

Oxygen therapy is one of the most common rescue or treatment means in hospitals, and a large number of patients, especially critical patients, can not be treated by oxygen inhalation. The oxygen humidifying bottle is mainly used for a medical center oxygen supply system for first-aid oxygen supply of medical units and oxygen inhalation of anoxic patients, the oxygen inhalator has accurate inhalation flow, is convenient and safe to use, and is a necessary instrument for oxygen supply treatment of emergency rooms, wards and patients in hospitals. When the oxygen humidification bottle is used, a humidification nasal oxygen tube is needed, and the humidification nasal oxygen tube is the most common clinical treatment means and is an oxygen inhalation tube used in atomization treatment.

For example, the patent application with application number CN201120147788.0 includes a humidification bottle, a humidification rod and a screwing component fixed on the top of the humidification bottle, wherein the humidification rod is located inside the humidification bottle, a humidification rod connector is arranged at the bottle mouth of the humidification bottle, a through hole is arranged at the center of the humidification rod connector, and the top of the humidification rod passes through the through hole and extends upwards. Although it is convenient to use, but the oxygen uptake humidifying bottle is behind the oxygen humidification, probably carries the drop of water in the oxygen, and the drop of water can not only lead to the patient to be uncomfortable along with oxygen entering nasal oxygen pipe, still can have the potential safety hazard to the patient when treating, needs a large amount of oxygen, and the flow of conventional humidifying nasal catheter is slower, can lead to the patient to inhale oxygen volume not enough, and the gas of exhalation is detained easily, leads to gaseous repetitive respiration.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a disposable Venturi humidification nasal catheter, which is used for solving the technical problems in the background technology.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the disposable Venturi humidification nasal catheter comprises a Venturi tube, one end of the Venturi tube is connected with a filter, the other end of the filter is provided with an extension tube, the other end of the extension tube is connected with a nasal plug, a fixed filter plate is arranged in the filter and faces one side of the extension tube, a filter membrane is attached to one side of the fixed filter plate, and a humidification layer is filled in the other side of the filter membrane; the venturi other end is connected with fixed pipe, two guide plates are installed respectively at both ends about fixed pipe is inside, and from top to bottom the guide plate is around arranging in turn, and the lower extreme the guide plate is kept away from venturi one side and is connected with the hang plate, fixed pipe lower extreme is connected with the honeycomb duct, be equipped with control flap on the honeycomb duct, the honeycomb duct lower extreme is connected with the water bottle.

Preferably, the nasal plug is a soft rubber nasal plug, and the water collecting bottle is transparent.

Preferably, a short connecting pipe is connected between the telescopic pipe and the filter, and the short connecting pipe and the filter are mutually clamped.

Preferably, the fixed filter plate is hollow and hemispherical.

Preferably, the other end of the fixed conduit is connected with a butt joint pipe.

Preferably, the draft tube is Y-shaped, the upper end ports of the draft tube are respectively positioned in front of the inclined plates, and the inclined angle of the inclined surfaces of the inclined plates is 5-10 degrees.

Preferably, a necking channel is arranged on one side inside the fixed conduit, and a connecting port is arranged on one side of the upper end of the fixed conduit.

Compared with the prior art, the utility model has the beneficial effects that:

the Venturi tube can realize the Venturi effect, the oxygen flow speed is accelerated, the high flow of oxygen is realized, the nose plug is a soft rubber nose plug, the soft rubber nose plug can expand along with the soft rubber nose plug when the internal flow is larger, the high-flow oxygen can be effectively passed through, the device can effectively operate, the Venturi tube and the nose plug are used for providing sufficient oxygen for a patient, the oxygen can also have high flow velocity, the flow velocity of oxygen airflow is larger than the highest flow velocity and tidal volume of the patient during inspiration, the oxygen inhalation concentration is constant, the exhaled air is difficult to stay in the nose due to continuous scouring of the high-flow-velocity oxygen, the repeated breathing of the air is basically avoided, and the practicability of the device is improved; because the guide plate is crisscross setting from beginning to end, make inside not have a straight line gas circuit, when oxygen passes through, can constantly contact with the guide plate, thereby stay the drop of water that oxygen carried on the guide plate, arrange down the drop of water in the oxygen, avoid the patient unsuitable and safety problem, the slope of hang plate has the guide effect to the air current, can avoid the air current to enter into the honeycomb duct, guarantee the air current velocity of flow, and the inclination on hang plate inclined plane is the small-angle design, the manger plate effect of guide plate has been guaranteed.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the filter of the present invention;

FIG. 3 is a partial schematic view of a locking catheter according to the present invention.

In the figure: 1. a venturi tube; 2. a filter; 21. fixing the filter plate; 22. a filtration membrane; 23. a wetted layer; 3. fixing the catheter; 31. a baffle; 32. a flow guide pipe; 33. a control valve; 34. a water collecting bottle; 35. butt-joint pipes; 36. an inclined plate; 37. a necking channel; 38. a connecting port; 4. a nasal obstruction; 41. a telescopic pipe; 42. and a short connecting pipe.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, the present invention provides a technical solution: a disposable Venturi humidification nasal catheter comprises a Venturi tube 1, the Venturi tube 1 can realize a Venturi effect, the oxygen flow speed is accelerated, the high flow of oxygen is realized, and sufficient oxygen is ensured, one end of the Venturi tube 1 is connected with a filter 2, the other end of the filter 2 is provided with a telescopic tube 41, the other end of the telescopic tube 41 is connected with a nasal plug 4, the nasal plug 4 is a soft rubber nasal plug, the soft rubber nasal plug can expand along with the inner flow when the inner flow is large, the high flow of oxygen is ensured to effectively pass through, sufficient oxygen is ensured, the device can effectively operate, the oxygen has high flow speed through the Venturi tube 1 and the nasal plug 4, the flow speed of oxygen airflow is greater than the maximum flow speed and the tidal volume of a patient during inspiration, the oxygen inhalation concentration is ensured to be constant, and due to continuous scouring of the high flow speed of oxygen, the exhaled air is difficult to stay in the nose, and basically no gas can rebreathe, the practicability is improved. A short connecting pipe 42 is connected between the extension pipe 41 and the filter 2, and the short connecting pipe 42 and the filter 2 are mutually clamped, so that the assembly and disassembly are convenient.

Please refer to fig. 1 and 2, a fixed filter plate 21 is disposed inside the filter 2 and facing one side of the extension tube 41, the fixed filter plate 21 is hollow and hemispherical, so as to maximize a filtering area, the fixed filter plate 21 can realize a supporting function and a filtering function, a filtering membrane 22 is attached to one side of the fixed filter plate 21, the filtering membrane 22 can filter oxygen to ensure the cleanness of the oxygen, a humidifying layer 23 is filled on the other side of the filtering membrane 22, and the humidifying layer 23 can be any one or a combination of an absorbent gel, an absorbent resin, a diatomite ball and a polyvinyl alcohol chitosan cross-linked substance, so as to ensure an oxygen humidifying effect.

Please refer to fig. 1 and 3, the other end of the venturi tube 1 is connected with a fixed conduit 3, two guide plates 31 are respectively installed at the upper end and the lower end of the inside of the fixed conduit 3, and the upper guide plate 31 and the lower guide plate 31 are arranged alternately in the front and back direction, so that a straight gas path does not exist in the inside, when oxygen passes through, the oxygen is continuously contacted with the guide plates 31, thereby water drops carried by the oxygen are left on the guide plates 31, the water drops in the oxygen are discharged, and the problems of discomfort of patients and potential safety hazards are avoided, the lower end of the guide plate 31 is connected with an inclined plate 36 at the side far away from the venturi tube 1, the inclined angle of the inclined surface of the inclined plate 36 is 5-10 degrees, the inclined surface of the inclined plate 36 has a guiding effect on the gas flow, the gas flow is prevented from entering the guide tube 32, the gas flow rate is ensured, and the inclined angle of the inclined surface of the inclined plate 36 is designed to be a small angle, so that the water retaining effect of the guide plates 31 is ensured, the reducing channel 37 is arranged on one side inside the fixed guide pipe 3, the wind speed is accelerated due to the reducing channel 37, so that the influence of the guide plate 31 on the wind speed of the air flow is reduced, the connecting port 38 is arranged on one side of the upper end of the fixed guide pipe 3, when the gas flow speed is too low, the connecting port 38 can be connected with a pressure pump to pressurize the inside, the gas flow speed is ensured, the guide pipe 32 is Y-shaped, the upper end of the guide pipe 32 is respectively positioned in front of the inclined plate 36, the water drops on the guide plate 31 are ensured to flow into the guide pipe 32, the lower end of the fixed guide pipe 3 is connected with the guide pipe 32, the guide pipe 32 is provided with the control valve 33, the lower end of the guide pipe 32 is connected with the water collecting bottle 34, the water collecting bottle 34 is transparent, the observation of the water amount inside the water collecting bottle 34 is convenient, once the water amount inside the water collecting bottle 34 is full, the control valve 33 is closed, and the water collecting bottle 34 is taken down, pour out the inside water, improve the practicality.

The specific operation mode of the utility model is as follows:

when the staff is in use, the butt joint pipe 35 is connected with the oxygen humidifying bottle, the nasal plug 4 is installed on the patient body, then oxygen is supplied, the oxygen enters the fixed conduit 3, the wind speed is accelerated due to the existence of the necking channel 37, thereby reducing the influence of the guide plate 31 on the air flow speed, because the guide plate 31 is arranged in a staggered way, a straight air path does not exist inside, when the oxygen passes through, the oxygen can continuously contact with the guide plate 31, thereby the water drops carried by the oxygen are left on the guide plate 31, the water drops in the oxygen are discharged, the discomfort and the safety problem of the patient are avoided, the inclined surface of the inclined plate 36 has a guiding function on the air flow, the air flow can be prevented from entering the guide pipe 32, the air flow speed is ensured, the inclination angle of the inclined surface of the inclined plate 36 is designed to be a small angle, the water retaining effect of the guide plate 31 is ensured, and then the air flow enters the Venturi tube 1, the Venturi tube 1 can realize Venturi effect, accelerate the flow speed of oxygen, realize high flow of oxygen, ensure sufficient oxygen, then enter the filter 2, respectively pass through the humidification layer 23, the filter membrane 22 and the fixed filter plate 21, the humidification layer 23 ensures the oxygen humidification effect, the filter membrane 22 and the fixed filter plate 21 filter the oxygen, ensure the cleanness of the oxygen, finally supply oxygen for patients through the extension tube 41 and the nose plug 4, the nose plug 4 is a soft rubber nose plug, the soft rubber nose plug can expand along with the expansion when the internal flow is large, ensure the oxygen at high flow effectively passes through, ensure sufficient oxygen, enable the device to effectively operate, pass through the Venturi tube 1 and the nose plug 4, enable the oxygen to have high flow speed, the flow speed of oxygen airflow is greater than the maximum flow speed and tidal volume when the patients inhale, ensure the oxygen inhalation concentration to be constant, and because the oxygen at high flow speed is continuously washed out, make the exhaled air difficult to stay in the nose, basically has no gas to respire, improves the practicality.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. Disposable venturi humidification nasal catheter, including venturi (1), its characterized in that: one end of the Venturi tube (1) is connected with a filter (2), the other end of the filter (2) is provided with a telescopic tube (41), the other end of the telescopic tube (41) is connected with a nose plug (4), a fixed filter plate (21) is arranged in the filter (2) towards one side of the telescopic tube (41), one side of the fixed filter plate (21) is attached with a filter membrane (22), and the other side of the filter membrane (22) is filled with a humidifying layer (23);

venturi (1) other end is connected with fixed pipe (3), two guide plates (31) are installed respectively at both ends about fixed pipe (3) is inside, and from top to bottom guide plate (31) are arranged around being in turn, and the lower extreme venturi (1) one side is kept away from in guide plate (31) is connected with hang plate (36), fixed pipe (3) lower extreme is connected with honeycomb duct (32), be equipped with control flap (33) on honeycomb duct (32), honeycomb duct (32) lower extreme is connected with water-collecting bottle (34).

2. The disposable venturi humidification nasal catheter of claim 1, wherein: the nasal plug (4) is a soft rubber nasal plug, and the water collecting bottle (34) is transparent.

3. The disposable venturi humidification nasal catheter of claim 1, wherein: a short connecting pipe (42) is connected between the telescopic pipe (41) and the filter (2), and the short connecting pipe (42) and the filter (2) are mutually clamped.

4. The disposable venturi humidification nasal catheter of claim 1, wherein: the fixed filter plate (21) is hollow and hemispherical.

5. The disposable venturi humidification nasal catheter of claim 1, wherein: the other end of the fixed conduit (3) is connected with a butt joint pipe (35).

6. The disposable venturi humidification nasal catheter of claim 1, wherein: the draft tube (32) is Y-shaped, the upper end ports of the draft tube (32) are respectively positioned in front of the inclined plate (36), and the inclined angle of the inclined surface of the inclined plate (36) is 5-10 degrees.

7. The disposable venturi humidification nasal catheter of claim 1, wherein: a necking channel (37) is installed on one side inside the fixed conduit (3), and a connecting port (38) is arranged on one side of the upper end of the fixed conduit (3).