Nasal oxygen cannula with secondary humidifying function

Abstract

The utility model belongs to the field of medical auxiliary instruments, and particularly relates to a nasal oxygen cannula with a secondary humidifying function. Comprising a nasal oxygen cannula body, the nasal oxygen cannula body is provided with a secondary humidifying assembly in a communicating mode, and the secondary humidifying assembly comprises a connecting pipe communicating with the nasal oxygen cannula body, an oxygen introducing cavity formed in the connecting pipe and a water absorbing layer arranged on the cavity wall of the oxygen introducing cavity. After the nasal oxygen cannula body is communicated with the oxygen opening of the humidifying bottle, oxygen is conveyed to the connecting pipe from the interior of the nasal oxygen cannula body, and when the oxygen passes through the oxygen introducing cavity in the connecting pipe, due to the fact that water exists in the water absorbing layer arranged on the cavity wall of the oxygen introducing cavity, water molecules in the water absorbing layer can humidify the oxygen for the second time. The oxygen humidifying device is simple in structure, and oxygen can be effectively humidified for the second time after the humidifying bottle is humidified, so that the oxygen humidifying degree is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the field of medical auxiliary equipment, and in particular relates to a nasal oxygen tube with a secondary humidification function. Background Art

[0002] Oxygen inhalation is the inhalation of oxygen. It is a commonly used clinical treatment method. Oxygen therapy is mainly a method to relieve hypoxia. Appropriate oxygen inhalation is used to correct hypoxia, increase the level of arterial oxygen partial pressure and oxygen saturation, and promote metabolism. It is one of the important methods for auxiliary treatment of various diseases.

[0003] The pure oxygen stored in hospitals is dry gas, which will cause respiratory discomfort to patients when they inhale it directly. Most hospitals install oxygen humidification bottles at the oxygen outlets in wards, but the humidification degree of oxygen will be affected during transportation in the oxygen tube or when the humidification degree of oxygen is not enough, it will cause a series of health problems for patients.

[0004] Therefore, a nasal oxygen cannula with a secondary humidified oxygen function is needed to ensure the degree of oxygen humidification. Utility Model Content

[0005] The utility model discloses a nasal oxygen tube with a secondary humidification function, which mainly solves the problem that oxygen cannot be secondary humidified at present.

[0006] To achieve the above object, the utility model provides a nasal oxygen cannula with a secondary humidification function, comprising a nasal oxygen cannula body; the nasal oxygen cannula body is connected to a secondary humidification component, the secondary humidification component comprises a connecting tube connected to the nasal oxygen cannula body, an oxygen passage cavity arranged in the connecting tube, and a water absorption layer arranged on the cavity wall of the oxygen passage cavity.

[0007] Preferably, the secondary humidification component further comprises a water injection port connected to the water absorption layer.

[0008] Preferably, a water storage pipe is sleeved on the connecting pipe, a water storage chamber (31) is arranged in the water storage pipe, the water storage chamber is connected with the oxygen passage chamber through a water inlet, and the water injection port is connected with the water storage chamber.

[0009] Preferably, the connecting pipe is made of a rigid material, and the water storage pipe is made of a flexible material.

[0010] Preferably, a switch valve is provided in the water inlet.

[0011] Preferably, the switch valve is an elastic film with an opening on the top thereof. The switch valve is in a closed state when no force is applied. When the film is applied with force, it is deformed and opens outward, so that the water storage chamber is connected with the oxygen passage chamber.

[0012] Preferably, a plurality of water inlets are arranged at circumferential intervals.

[0013] Preferably, the water absorbing layer is a moisturizing material.

[0014] Preferably, the water absorption layer is in a tubular structure and its inner surface is irregularly wavy.

[0015] The technical solution provided by the present utility model has at least the following technical effects:

[0016] The present utility model discloses a nasal oxygen tube with a secondary humidification function. After the nasal oxygen tube body is connected to the oxygen port of the humidifying bottle, oxygen is transported from the nasal oxygen tube body to the connecting tube. When passing through the oxygen passage in the connecting tube, since there is water in the water absorption layer provided on the wall of the oxygen passage, the water molecules in the water absorption layer will perform secondary humidification on the oxygen. The structure of this device is simple, and it can effectively perform secondary humidification on oxygen after humidification by the humidifying bottle to ensure the degree of oxygen humidification. Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a schematic diagram of the overall structure of the nasal oxygen tube with a secondary humidification function according to an embodiment of the present utility model;

[0019] Figure 2 According to an embodiment of the present utility model Figure 1 An enlarged schematic view of part A in the figure;

[0020] Figure 3 According to an embodiment of the present utility model Figure 1 A longitudinal sectional view of part A in the figure;

[0021] Figure 4 According to an embodiment of the present utility model Figure 1 A transverse sectional view of part A in the figure.

[0022] Main reference numeral description: 1, nasal oxygen tube body; 2, secondary humidification component; 3, water storage pipe; 21, water absorption layer; 31, water storage cavity; 32, switch valve; 33, water injection port. Detailed Embodiment

[0023] The following will describe in detail the embodiments of the present utility model. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below with reference to the drawings are exemplary and are intended to explain the embodiments of the present utility model, and should not be construed as a limitation of the present utility model.

[0024] In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings. These are only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of the present utility model.

[0025] Referring to Figure 1 、 Figure 2 This embodiment discloses a nasal oxygen tube with a secondary humidification function, including a nasal oxygen tube body 1; a secondary humidification assembly 2 is connected to the nasal oxygen tube body 1. The secondary humidification assembly 2 includes a connecting tube connected to the nasal oxygen tube body 1, an oxygen passage chamber provided in the connecting tube, and a water absorption layer 21 provided on the inner wall of the oxygen passage chamber. When in use, after connecting the nasal oxygen tube body 1 to the oxygen port of the humidifying bottle, oxygen is transported from the nasal oxygen tube body 1 to the connecting tube. When passing through the oxygen passage chamber in the connecting tube, since there is water in the water absorption layer 21 provided on the inner wall of the oxygen passage chamber, the water molecules in the water absorption layer 21 will perform secondary humidification on the oxygen. The water absorption layer 21 is made of a moisture-retaining material. The water absorption layer 21 is in a tubular structure and its inner surface is irregularly wavy, increasing the contact area between the water absorption layer 21 and the oxygen in the oxygen delivery chamber, better humidifying the oxygen and improving the comfort of the patient. In addition, in order for the secondary humidification assembly 2 to continuously and effectively humidify the oxygen in the oxygen passage chamber, a water injection port 33 is also provided. After the device has been used for a certain period of time, when the moisture in the water absorption layer 21 in the oxygen delivery chamber decreases, a syringe barrel is inserted into the water injection port 33 to inject an appropriate amount of normal saline to wet the water absorption layer 21 again, thereby increasing the time for it to humidify the oxygen and achieving the purpose of long-term humidification. The operation is simple and fast, and the structure is simple.

[0026] Such as Figure 3 、 Figure 4As shown in the figure, a water storage pipe 3 is also sleeved on the connecting pipe of this embodiment. A water storage cavity 31 communicating with the water injection port 33 is arranged in the water storage pipe 3, and the water storage cavity 31 is communicated with the oxygen passing cavity through a water inlet. When in use, the syringe barrel injects physiological saline into the water storage cavity 31 through the water injection port 33. The water storage cavity 31 is communicated with the oxygen passing cavity through the water inlet, and the water absorption layer 21 on the inner wall of the oxygen passing cavity will slowly absorb the water in the water storage cavity 31. The operation is simple, reducing the number of times of frequent water injection by medical staff. Since the water absorption layer 21 is arranged in the connecting pipe, in order to prevent squeezing the water absorption layer 21, the connecting pipe is made of rigid material and the water storage pipe 3 is made of flexible material. In order to avoid more physiological saline entering the water absorption layer 21 when the water absorption layer 21 is saturated, a switching valve 32 is arranged in the water inlet. The switching valve 32 is an elastic film with an opening above it. It is in a closed state when not stressed. When the film is stressed, it deforms and opens outwards, and the water storage cavity 31 is communicated with the oxygen passing cavity. When in use, when the water in the water absorption layer 21 decreases, squeezing the flexible water storage pipe 3 generates a certain pressure on the film, causing the film to deform and open outwards. The physiological saline in the water storage pipe 3 quickly wets the water absorption layer 21 under the action of pressure. The film realizes opening and closing through the squeezing and releasing of the water storage pipe 3, and can more accurately control the amount of water entering the water absorption layer 21. In order to further improve the efficiency, a plurality of water inlets can also be arranged at circumferential intervals, or a plurality of water inlets can be symmetrically arranged. In this embodiment, 4 water inlets are arranged at circumferential intervals, and a switching valve 32 is arranged in each water inlet. When in use, squeezing the flexible water storage pipe 3 generates a certain pressure on each film, causing each film to open outwards. A plurality of switching valves 32 can be opened simultaneously to inject water into the water absorption layer 21, so as to wet the water absorption layer 21 faster and improve the water absorption efficiency of the water absorption layer 21. In this embodiment, the nasal oxygen tube is a disposable product, effectively avoiding cross-infection.

[0027] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A nasal oxygen tube with a secondary humidification function, comprising a nasal oxygen tube body (1); characterized in that: The nasal oxygen tube body (1) is connected with a secondary humidification component (2). The secondary humidification component (2) includes a connecting pipe connected with the nasal oxygen tube body (1), an oxygen passage arranged in the connecting pipe, and a water absorption layer (21) arranged on the wall of the oxygen passage.

2. The nasal oxygen tube with a secondary humidification function according to claim 1, wherein: The secondary humidification component (2) further includes a water injection port (33) connected with the water absorption layer (21).

3. The nasal oxygen tube with a secondary humidification function according to claim 2, wherein: A water storage pipe (3) is sleeved on the connecting pipe. A water storage cavity (31) is arranged in the water storage pipe (3). The water storage cavity (31) is communicated with the oxygen passage through a water inlet. The water injection port (33) is communicated with the water storage cavity (31).

4. The nasal oxygen tube with a secondary humidification function according to claim 3, characterized in that: The connecting pipe is made of a rigid material, and the water storage pipe (3) is made of a flexible material.

5. The nasal oxygen tube with a secondary humidification function according to claim 4, characterized in that: A switch valve (32) is arranged in the water inlet.

6. The nasal oxygen tube with a secondary humidification function according to claim 5, characterized in that: The switch valve (32) is an elastic film. There is an opening above it and it is in a closed state without being stressed. When the film is stressed, it deforms and opens outwards, and the water storage cavity (31) is communicated with the oxygen passage.

7. The nasal oxygen tube with a secondary humidification function according to claim 6, characterized in that: A plurality of water inlets are circumferentially arranged at intervals.

8. The nasal oxygen tube with a secondary humidification function according to claim 1, characterized in that: The water absorption layer (21) is a moisture-preserving material.

9. The nasal oxygen tube with a secondary humidification function according to claim 1, characterized in that: The water absorption layer (21) is of a tubular structure and its inner surface is irregularly wavy.

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