Novel humidifying nasal oxygen cannula assembly
By using water-absorbing cotton assembly and flow control parts in the wet nasal oxygen tube assembly, the problem of interrupted delivery and poor quietness when replacing the liquid source of the existing wet nasal oxygen tube assembly is solved, and the uninterrupted oxygen delivery and Good quiet effect.
Patent Information
- Application Number
- CN202420367992.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-28
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-02-28
AI Technical Summary
The existing wet nasal oxygen tube assembly needs to interrupt oxygen delivery when replacing the liquid source, and the quietness is poor, which is prone to the sound of gas overwater bubbles, affecting the patient's comfort.
Use water-absorbent cotton components to wet the gas, combined with flow control parts to achieve a good design with no interruption of oxygen delivery and quietness. The water-absorbent cotton components are buffered and the needle-plugged liquid replenishment bag design can quickly change the liquid source and use three-dimensional pores. The structure and inner core design of the outer shell achieve smooth flow of gas and liquid.
It realizes that oxygen delivery is not interrupted when changing the liquid source, eliminates the sound of bubbles, and improves the quietness and convenience of the wet nasal oxygen tube assembly.
Smart Images

Figure CN222238511U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of humidification nasal oxygen tube equipment, and specifically relates to a novel humidification nasal oxygen tube component. Background Art
[0002] The humidified nasal oxygen cannula assembly is a device often used in the clinical oxygen delivery process to increase the humidity of the input gas and increase the comfort of the patient. The commonly used humidified nasal oxygen cannula assembly structure is usually that the air inlet valve is connected to a water replenishment bottle, and the nasal oxygen cannula is connected to the water replenishment bottle for gas humidification. The above device can achieve a good gas humidification effect, but it also has major disadvantages, mainly: 1. The water replenishment bottle cannot be replaced during gas delivery, and the oxygen delivery must be interrupted when replaced, which has a greater impact on patients with a heavy respiratory burden; 2. The method of using a water replenishment bottle for hydration is less quiet, and there is a loud sound of water bubbles passing through the water replenishment bottle, which has a greater impact on patients with neurasthenia or poor sleep quality.
[0003] In order to solve the above problems, the utility model hopes to provide a novel humidified nasal oxygen cannula assembly. Utility Model Content
[0004] The purpose of the utility model is to provide a novel humidified nasal oxygen cannula assembly to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A novel humidified nasal oxygen tube assembly comprises an air inlet valve, a fluid infusion bag, a nasal oxygen tube and a water absorbent cotton assembly, wherein the front end of the water absorbent cotton assembly is connected to the front section of the nasal oxygen tube, the other end of the front section of the nasal oxygen tube is connected to the air inlet valve, the rear end of the water absorbent cotton assembly is connected to the rear section of the nasal oxygen tube, the end of the rear section of the nasal oxygen tube is connected to an annular connecting part; the water absorbent cotton assembly is connected to the fluid infusion tube, and the end of the fluid infusion tube is connected to the fluid infusion bag.
[0007] Preferably, a flow control component is provided at the infusion tube.
[0008] Preferably, the absorbent cotton component includes an outer shell and an inner core, and the inner core is filled inside the outer shell; the outer shell is provided with a front section connection port of the nasal oxygen tube, a rear section connection port of the nasal oxygen tube and a connection port of the infusion tube; the interior of the inner core is a three-dimensional pore structure, and the three-dimensional pores of the inner core are interconnected.
[0009] Preferably, the annular connecting portion includes a nasal oxygen tube connecting port, which is connected to the rear section of the nasal oxygen tube, and is provided with a left connecting port and a right connecting port at the nasal oxygen tube connecting port, an output tube is provided between the left connecting port and the right connecting port, and both ends of the output tube are respectively connected to the left connecting port and the right connecting port, and two nasal connecting sections are provided in the middle section of the output tube.
[0010] Preferably, the fluid infusion bag is a soft flat bag.
[0011] Preferably, the front section of the nasal oxygen tube and the infusion tube are both located at the front end of the absorbent cotton component, and the rear section of the nasal oxygen tube is located at the rear end of the absorbent cotton component.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] (1) The utility model provides a novel humidified nasal oxygen cannula assembly, which uses a water-absorbing cotton assembly to achieve gas humidification, has good overall quietness, and does not produce the sound of bubbles when gas passes through water;
[0014] (2) The utility model provides a novel humidified nasal oxygen cannula assembly. When the liquid source is replaced, there is no need to stop the gas supply. Because the absorbent cotton assembly in the device adopts a water buffer setting, when the liquid infusion bag is removed, there is still humidified water in the absorbent cotton assembly, and the oxygen humidification will not be stopped immediately; and the liquid infusion bag in the device adopts a needle plug-in design, which can quickly complete the replacement of the liquid infusion bag;
[0015] (3) The utility model provides a novel humidified nasal oxygen cannula assembly, which uses a flow control component to control the rate at which the infusion fluid enters the absorbent cotton assembly. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the structure of the utility model;
[0017] Figure 2 It is a cross-sectional view of the water-absorbing cotton component in the utility model;
[0018] In the figure: 1. Inlet valve; 2. Fluid infusion bag; 3. Nasal oxygen tube; 4. Absorbent cotton assembly; 5. Front section of nasal oxygen tube; 6. Fluid infusion tube; 8. Flow control component; 9. Rear section of nasal oxygen tube; 10. Annular connection part; 11. Outer shell; 12. Inner core; 13. Front section connection port of nasal oxygen tube; 14. Rear section connection port of nasal oxygen tube; 15. Fluid infusion connection port; 16. Nasal oxygen tube connection port; 17. Left side connection port; 18. Right side connection port; 19. Output tube; 20. Nasal connection section. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] A novel humidified nasal oxygen tube assembly comprises an air inlet valve 1, a fluid infusion bag 2, a nasal oxygen tube 3 and a water absorbent cotton assembly 4. The front end of the water absorbent cotton assembly 4 is connected to a nasal oxygen tube front section 5, and the other end of the nasal oxygen tube front section 5 is connected to an air inlet valve 1, which is connected to an air source.
[0021] A fluid infusion tube 6 is also connected to the front end of the absorbent cotton component 4, and a fluid infusion bag 2 is connected to the end of the fluid infusion tube 6. In order to control the fluid infusion rate, a flow control part 8 is provided at the outlet of the fluid infusion tube 6. The fluid infusion bag 2 is a soft flat bag. As the fluid infusion is discharged, the fluid infusion bag 2 is automatically flattened under the action of atmospheric pressure, and there is no bubble sound during fluid infusion. The front section 5 of the nasal oxygen tube and the fluid infusion tube 6 are both located at the front end of the absorbent cotton component 4, and the rear section 9 of the nasal oxygen tube is located at the rear end of the absorbent cotton component 4. The front section 5 of the nasal oxygen tube and the fluid infusion tube 6 are located on the same side, and the rear section 9 of the nasal oxygen tube is located on the other side, so that when gas and liquid enter the absorbent cotton component 4 at the same time, the directions of the two are relatively consistent, which can ensure the smoothness of the flow of gas and liquid in the absorbent cotton component 4.
[0022] The rear end of the absorbent cotton component 4 is connected to the rear section 9 of the nasal oxygen tube, and the end position of the rear section 9 of the nasal oxygen tube is connected to the annular connecting part 10.
[0023] The absorbent cotton component 4 includes an outer shell 11 and an inner core 12, and the inner core 12 is filled inside the outer shell 11. The outer shell 11 is provided with a nasal oxygen tube front section connection port 13, a nasal oxygen tube rear section connection port 14 and a fluid infusion connection port 15, the nasal oxygen tube front section 5 is connected to the nasal oxygen tube front section connection port 13, the nasal oxygen tube rear section 9 is connected to the nasal oxygen tube rear section connection port 14, and the fluid infusion tube 6 is connected to the fluid infusion connection port 15. The interior of the inner core 12 is a three-dimensional pore structure, and the three-dimensional pores of the inner core 12 are interconnected. The fluid infusion fills the three-dimensional pores of the inner core 12, and when the gas passes through the inner core 12, the liquid in the three-dimensional pores is taken away to achieve gas wetting.
[0024] The annular connecting portion 10 includes a nasal oxygen tube connecting port 16, which is connected to the nasal oxygen tube rear section 9. A left connecting port 17 and a right connecting port 18 are provided at the nasal oxygen tube connecting port 16. An output tube 19 is provided between the left connecting port 17 and the right connecting port 18. Both ends of the output tube 19 are respectively connected to the left connecting port 17 and the right connecting port 18. Two nasal connecting sections 20 are provided in the middle section of the output tube 19.
[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A novel humidified nasal oxygen cannula assembly, characterized in that: It includes an air intake valve, a fluid infusion bag, a nasal oxygen tube and a water absorbent cotton component. The front end of the water absorbent cotton component is connected to the front section of the nasal oxygen tube, the other end of the front section of the nasal oxygen tube is connected to the air intake valve, the rear end of the water absorbent cotton component is connected to the rear section of the nasal oxygen tube, and the end of the rear section of the nasal oxygen tube is connected to a ring-shaped connecting part; the water absorbent cotton component is connected to the fluid infusion tube, and the end of the fluid infusion tube is connected to the fluid infusion bag.
2. A novel humidified nasal oxygen cannula assembly according to claim 1, characterized in that: A flow control component is provided at the liquid infusion tube.
3. A novel humidified nasal oxygen cannula assembly according to claim 1, characterized in that: The absorbent cotton component includes an outer shell and an inner core, and the inner core is filled inside the outer shell; the outer shell is provided with a front section connection port of a nasal oxygen tube, a rear section connection port of a nasal oxygen tube and a connection port of a fluid infusion tube; the interior of the inner core is a three-dimensional pore structure, and the three-dimensional pores of the inner core are interconnected.
4. The novel humidified nasal oxygen cannula assembly according to claim 1, characterized in that: The annular connecting portion includes a nasal oxygen tube connecting port, which is connected to the rear section of the nasal oxygen tube. A left connecting port and a right connecting port are provided at the nasal oxygen tube connecting port. An output tube is provided between the left connecting port and the right connecting port. Both ends of the output tube are respectively connected to the left connecting port and the right connecting port. Two nasal connecting sections are provided in the middle section of the output tube.
5. The novel humidified nasal oxygen cannula assembly according to claim 1, characterized in that: The fluid infusion bag is a soft flat bag.
6. A novel humidified nasal oxygen cannula assembly according to claim 1, characterized in that: The front section of the nasal oxygen tube and the infusion tube are both located at the front end of the water-absorbing cotton component, and the rear section of the nasal oxygen tube is located at the rear end of the water-absorbing cotton component.