Humidifier for breathing machine

Abstract

The utility model relates to a humidifier for a breathing machine, which solves the problem that the area of the water surface cannot be adjusted in the prior art, and comprises an equipment base, a water storage container and a container cover, the water storage container is placed on the equipment base, and the container cover covers the top of the water storage container; according to the scheme, the water storage container is the cone-shaped body with the diameter gradually decreasing from top to bottom, compared with a traditional cylindrical humidifier, the temperature can be adjusted, the evaporation effect can be changed by adjusting the area of the evaporation liquid level, the larger the evaporation area of humidification liquid is, the more the evaporated moisture and the higher the humidity are at the same temperature, and the humidification liquid moves along with airflow of the breathing machine; the effect of humidifying the airway is improved, and the evaporation area can be changed by adding water and discharging water. The novel humidifier is expected to be better than a traditional humidifier in the aspect of humidifying the airway, and particularly has a better effect on patients with serious wounds, large-area burns, excessive body fluid loss, long-term respiratory diseases, older coughs, weakness, thick sputum and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of humidifiers, in particular to a humidifier for a breathing machine. Background Art

[0002] The principle of a ventilator humidifier is to heat the humidifying liquid to generate water vapor, which is mixed with the inhaled dry and cold gas to achieve the effect of heating and humidifying it. It cannot effectively and continuously humidify some patients, especially those with thick sputum. Previous related studies [1, 2] have actively explored this issue. Through an infusion set, micro pump, etc., the scalp needle without the needle is used to drip the humidifying liquid into the tracheal tube at a rate of 2-6ml / h about 3-5cm to enhance the humidification effect. The results showed that enhanced continuous airway humidification can increase the blood oxygen level of patients with severe trauma, reduce the occurrence of complications [1], and improve the therapeutic effect of mechanical ventilation in patients [2, 3]. However, this method is easy to fall out of the body when the patient coughs or chokes, increasing the risk of contamination [3].

[0003] The evaporation effect of the humidifying liquid is mainly affected by the temperature and the water surface area. The higher the temperature and the larger the area, the stronger the evaporation effect and the stronger the humidification effect. The currently commonly used cylindrical humidifier cannot adjust the water surface area. Therefore, during mechanical ventilation, after the temperature is set to the maximum value of the safe range, the humidity cannot be increased further. This patent designs a new type of humidifier that can adjust the humidification effect by adjusting the temperature and the liquid area.

[0004] References:

[0005] [1] Fan Hui. Observation on the effects of two humidification methods on artificial airway humidification in patients with severe trauma[J]. International Journal of Nursing, 2015(10).

[0006] [2] Lu Lijin, Huang Jing, Li Xiumei. Observation on the effect of temperature and humidity compensation method in preventing airway sputum crust formation in patients with endotracheal intubation and mechanical ventilation[J]. Internal Medicine, 2021, 16(3).

[0007] [3] Su Xinyang, Xu Hongmei, Wang Meilin, et al. Meta-analysis of the humidification effects of continuous oxygen nebulization inhalation and continuous infusion of humidified liquid on artificial airway humidification[J]. Journal of PLA Nursing, 2015(20). Utility Model Content

[0008] Based on the above description, the utility model provides a humidifier for a ventilator to solve the problem that the water surface area cannot be adjusted in the prior art.

[0009] The technical solution of the utility model to solve the above technical problems is as follows:

[0010] A humidifier for a ventilator, comprising:

[0011] The base of the equipment has a heating component disposed therein;

[0012] A water storage container is arranged on the top of the equipment base;

[0013] A container cover, which is arranged on the top of the water storage container and is connected with an air inlet, an air outlet and a water inlet;

[0014] The water storage container is a cone whose diameter decreases continuously from top to bottom, and the equipment base heats the water storage container to evaporate the internal water.

[0015] On the basis of the above technical solution, the present invention can also be improved as follows.

[0016] Furthermore, the drainage pipe is arranged on the equipment base and connected to the bottom of the water storage container.

[0017] Furthermore, the bottom surface of the water storage container forms a slope that descends toward the drain pipe.

[0018] Furthermore, a convex ring is arranged on the top surface of the water storage container, and a plurality of snap-in blocks extending outward are arranged on the convex ring. A groove for docking with the convex ring is arranged on the bottom surface of the container cover, and a snap-in groove for slidingly snap-in with the snap-in blocks is arranged on the groove.

[0019] Furthermore, the diameter of the top surface of the water storage container is twice the diameter of the bottom surface.

[0020] Furthermore, a water level sensor is arranged inside the water storage container.

[0021] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0022] The water storage container of this solution is a cone with a decreasing diameter from top to bottom. Compared with the traditional cylindrical humidifier, it can not only adjust the temperature, but also adjust the area of ​​the evaporation liquid surface to change the evaporation effect. The larger the evaporation area of ​​the humidifying liquid, the more water evaporates at the same temperature, the greater the humidity, and the greater the effect of humidifying the airway with the airflow of the ventilator. Changing the evaporation area can be completed by adding and draining water. This new humidifier is expected to be better than the traditional humidifier in humidifying the airway, especially for patients with severe trauma, large-area burns, excessive fluid loss, long-term respiratory diseases, old people with weak coughs, and thick sputum. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the structure of a humidifier for a ventilator provided in an embodiment of the utility model;

[0024] Figure 2 for Figure 1 The schematic diagram of the structure after the container cover is hidden in the middle;

[0025] Figure 3 It is a partial cross-sectional view of the connection between the water storage container and the container cover.

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 1. Equipment base; 2. Water storage container; 3. Container cover; 4. Air inlet pipe; 7. Air outlet; 8. Drain pipe; 9. Convex ring; 10. Snap-in block. DETAILED DESCRIPTION

[0028] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the present application are provided in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0030] It will be appreciated that spatial relationship terms such as "under," "beneath," "below," "under," "above," "above," etc., may be used herein to describe the relationship of an element or feature shown in the figures to other elements or features. It will be appreciated that, in addition to the orientations shown in the figures, spatial relationship terms also include different orientations of the device in use and operation. For example, if the device in the accompanying drawings is flipped, an element or feature described as "under other elements" or "under it" or "under it" will be oriented as being "above" the other elements or features. Thus, the exemplary terms "under" and "under" may include both upper and lower orientations. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptors used herein are interpreted accordingly.

[0031] It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element, or connected to the other element through an intermediate element. The "connection" in the following embodiments should be understood as "electrical connection", "communication connection", etc. if the connected circuits, modules, units, etc. have electrical signals or data transmission between each other.

[0032] When used herein, the singular forms "a", "an", and "said / the" may also include plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include / comprise" or "have" etc. specify the presence of stated features, wholes, steps, operations, components, parts or combinations thereof, but do not exclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts or combinations thereof.

[0033] See also Figure 1-3 A humidifier for a breathing machine includes a device base 1, a water storage container 2 and a container cover 3. The water storage container 2 is placed on the device base 1, and the container cover 3 is covered on the top of the water storage container 2. A heating component and a control circuit are arranged inside the device base 1, which can heat the water in the water storage container 2 to increase the temperature to improve the evaporation efficiency. The container cover 3 is fixedly connected to the water storage container 2 and cannot be disassembled or can be disassembled. The container cover 3 is connected with an air inlet, an exhaust port 7 and a water inlet. The water inlet is used to add water, the air inlet is used to maintain the normal pressure inside the water storage container 2, and the exhaust port 7 is connected to the breathing device to provide humidified air.

[0034] Among them, the water storage container 2 is a cone whose diameter decreases from top to bottom. Compared with the traditional cylindrical humidifier, this solution can not only adjust the temperature, but also adjust the area of ​​the evaporation liquid surface to change the evaporation effect. The larger the evaporation area of ​​the humidifying liquid, the more water evaporated at the same temperature, the greater the humidity, and the greater the effect of humidifying the airway with the airflow movement of the ventilator. Changing the evaporation area can be completed by adding water and draining water. The drain pipe 8 is arranged on the equipment base 1 and connected to the bottom of the water storage container 2. This design facilitates draining water. A valve for controlling the opening and closing of the drain pipe 8 can be arranged in the equipment base 1, and it is controlled by the operation panel on the equipment base 1 together with the temperature control. In order to facilitate the drainage of the water in the water storage container 2, the bottom surface of the water storage container 2 forms a slope descending in the direction of the drain pipe 8.

[0035] Specifically, the top diameter of the water storage container 2 is twice the bottom diameter. In one embodiment, the bottom diameter of the water storage container 2 is 12.5 cm, gradually widening upwards, and the widest part of the top is larger than that of a traditional humidifier, with a diameter of 25 cm. A water level sensor is correspondingly arranged inside the water storage container 2, and the water level data is proportional to the evaporation area, so that the evaporation area is displayed on the display screen of the operation panel in the form of a specific value or percentage.

[0036] In one embodiment, the container cover 3 and the water storage container 2 are detachably connected. Since the water inlet pipe and the container cover 3 are preferably designed together to avoid leakage problems caused by long-term plugging and unplugging, the container cover 3 and the water storage container 2 should be disassembled in a relatively simple connection method with less displacement. Preferably, a convex ring 9 is provided on the top surface of the water storage container 2, and a plurality of clamping blocks 10 extending outward are provided on the convex ring 9. A groove for docking with the convex ring 9 is provided on the bottom surface of the container cover 3, and a clamping groove for slidingly engaging with the clamping block 10 is provided on the groove. The groove is docked with the convex ring 9, and then the container cover 3 is rotated so that the clamping groove and the clamping block 10 rotate correspondingly to form a clamping structure to complete the fixation of the two.

[0037] Drain pipe 8 is designed at the bottom of the humidifier, with a switch valve in the middle, and the switch valve is opened when the water level needs to be lowered, and the water is discharged by gravity. The end of this drain pipe 8 is a one-way valve interface, which can not enter water, but can only discharge water, and keeps the humidifying liquid aseptic.

[0038] This new humidifier is expected to be better than traditional humidifiers in humidifying the airway, especially for patients with severe trauma, large-area burns, excessive fluid loss, long-term respiratory diseases, the elderly with weak coughs and thick sputum.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A humidifier for a breathing machine, characterized in that: include: The base of the equipment has a heating component disposed therein; A water storage container is arranged on the top of the equipment base and is connected to a drainage pipe; A container cover, which is arranged on the top of the water storage container and is connected with an air inlet, an air outlet and a water inlet; The water storage container is a cone whose diameter decreases continuously from top to bottom, and the equipment base heats the water storage container to evaporate the internal water.

2. A humidifier for a breathing machine according to claim 1, characterized in that: The drainage pipe is arranged on the equipment base and connected to the bottom of the water storage container.

3. A humidifier for a breathing machine according to claim 2, characterized in that: The bottom surface of the water storage container forms a slope that descends toward the drain pipe.

4. A humidifier for a breathing machine according to claim 1, characterized in that: A convex ring is arranged on the top surface of the water storage container, and a plurality of clamping blocks extending outward are arranged on the convex ring. A groove for docking the convex ring is arranged on the bottom surface of the container cover, and a clamping groove for slidingly clamping with the clamping blocks is arranged on the groove.

5. A humidifier for a breathing machine according to claim 1, characterized in that: The top surface diameter of the water storage container is twice the bottom surface diameter.

6. A humidifier for a breathing machine according to claim 1, characterized in that: A water level sensor is arranged inside the water storage container.

Images