Disposable trachea cannula humidifying device accessory tool

By designing a liquid storage bottle that is wider at the bottom and narrower at the top, and a snap-fit ​​assembly, the problem of unstable fixation of the endotracheal intubation humidification device in mobile environments was solved, achieving continuous and uniform supply and heating of the humidification liquid, thus improving the humidification effect and safety.

CN120860414AInactive Publication Date: 2025-10-31THE FIRST AFFILIATED HOSPITAL OF GUANGZHOU MEDICAL UNIV (GUANGZHOU RESPIRATORY CENT)
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Patent Information

Application Number
CN202511217563.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-28
Publication Date
2025-10-31
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing disposable endotracheal tube humidification devices are unstable in mobile or dynamic environments, resulting in discontinuous and uneven supply of humidifying liquid, posing risks of detachment and leakage, and affecting the reliability and safety of humidification effect.

Method used

The reservoir bottle features a design that is wider at the bottom and narrower at the top, with a weighted base. Combined with snap-fit ​​components and transparent materials, it ensures that the reservoir bottle remains upright during patient transport or changes in body position. Equipped with heating elements and medication dispensing components, it enables continuous and uniform supply and observation of humidification fluid, facilitating convenient medication dispensing.

Benefits of technology

It improves the stability and uniformity of humidifying fluid supply, ensures the continuity of the humidification process, reduces the risk of shedding and leakage, and enhances humidification comfort and safety.

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Abstract

The invention relates to the technical field of medical instruments, in particular to a disposable trachea cannula humidifying device accessory tool. Comprising a lower shell, an inner shell is rotatably arranged in the lower shell, a liquid storage bottle is arranged in the inner shell, the liquid storage bottle is of a conical structure with the wide lower portion and the narrow upper portion, the wall thickness of the bottom of the liquid storage bottle is larger than that of the upper portion of the liquid storage bottle, an air pipe connector is arranged at the bottom of the lower shell, and an upper shell is arranged at the top of the lower shell and provided with an external connector. A folding pipe is arranged on the external connector, a heating element is arranged in the lower shell, a medicine adding assembly is arranged on the right side of the upper shell, and a clamping assembly is arranged on the outer side of the lower shell. By the adoption of the tumbler type structural design with the wide lower portion, the narrow upper portion and the balance weight at the bottom, the overall gravity center of the liquid storage bottle moves downwards, the anti-toppling stability of the liquid storage bottle in the patient transferring or body position changing process is remarkably improved, the falling risk caused by shaking or toppling is effectively avoided, and the continuity and uniformity of humidifying liquid supply are guaranteed.
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Description

Technical Field

[0001] This invention relates to the field of medical device technology, specifically to a disposable endotracheal intubation humidification device accessory tool. Background Technology

[0002] In modern clinical emergency care and intensive care, the establishment and management of artificial airways are crucial. Endotracheal intubation is widely used as an effective means of maintaining airway patency. However, because endotracheal intubation bypasses the natural warming and humidification function of the upper respiratory tract and directly delivers dry gas into the lower respiratory tract, it can easily lead to dryness of the airway mucosa, drying of secretions, and weakening of ciliary movement, which can then cause serious complications such as airway obstruction, infection, and even atelectasis. Therefore, effective humidification of inhaled gas has become an indispensable part of mechanical ventilation. Currently, disposable endotracheal intubation humidification devices are commonly used in clinical practice. These devices provide humidification fluid by connecting to a reservoir, ensuring that the gas is fully humidified before entering the airway.

[0003] However, existing disposable endotracheal intubation humidification devices still have significant shortcomings in practical applications. The methods for securing the reservoir are generally rudimentary, often using loose clamps or simple straps. This makes the device prone to shaking or even detachment during patient transport or changes in position. This instability not only affects ease of operation but also directly interferes with the continuous and uniform supply of humidifying fluid, causing interruptions or fluctuations in humidification airflow, severely impacting the consistency and reliability of humidification. Furthermore, shaking of the reservoir can lead to risks such as tubing twisting and loose connections, increasing the possibility of leaks or contamination, thus threatening the patient's airway safety. Therefore, effectively securing the reservoir in mobile or dynamic environments to ensure the stability and continuity of the humidification process has become a pressing technical challenge. Summary of the Invention

[0004] The purpose of this invention is to provide a disposable endotracheal tube humidification device accessory tool to solve the problem of not being able to maintain a continuous and uniform supply of humidifying liquid while moving.

[0005] To achieve this objective, the present invention adopts the following technical solution: A disposable endotracheal tube humidification device accessory tool is provided, including a lower shell, an inner shell rotatably disposed inside the lower shell, a liquid storage bottle disposed inside the inner shell, the liquid storage bottle having a conical structure that is wider at the bottom and narrower at the top, with the bottom wall thickness greater than the top wall thickness, an endotracheal tube interface disposed at the bottom of the lower shell, an upper shell disposed at the top of the lower shell, an external connection interface disposed on the upper shell, a folding tube disposed on the external connection interface, a heating element disposed inside the lower shell, a drug delivery assembly disposed on the upper right side of the upper shell, and a snap-fit ​​assembly disposed on the outer side of the lower shell.

[0006] As a preferred embodiment of a disposable endotracheal tube humidification device accessory tool, the inner shell is provided with several first through holes.

[0007] As a preferred embodiment of a disposable endotracheal tube humidification device accessory, the liquid storage bottle has several second through holes and a sieve is provided inside the liquid storage bottle.

[0008] As a preferred embodiment of a disposable endotracheal tube humidification device accessory, the heating element includes a battery and a heating element. The battery is disposed inside the lower shell, and the heating element is disposed on top of the battery, with the heating element abutting against the inner shell.

[0009] As a preferred embodiment of a disposable endotracheal intubation humidification device accessory, the dosing assembly includes a dosing port and a cap, the dosing port being located on the top right side of the upper shell, and the cap being provided on the dosing port.

[0010] As a preferred embodiment of a disposable endotracheal tube humidification device accessory tool, the snap-fit ​​assembly includes a clamp and a first buckle and a second buckle. The clamp is disposed on the outer side of the lower shell, and the first buckle and the second buckle are respectively disposed on both sides of the clamp.

[0011] As a preferred embodiment of a disposable endotracheal tube humidification device accessory, both the lower shell and the liquid storage bottle are made of transparent material, and the liquid storage bottle is provided with graduations.

[0012] As a preferred embodiment of a disposable endotracheal tube humidification device accessory tool, the cap has an anti-slip groove on its outer side.

[0013] The beneficial effects of this invention are as follows: By adopting a bottom-wide, top-narrow, bottom-weighted self-righting structure design, the overall center of gravity of the reservoir bottle is lowered, significantly improving its anti-tipping stability during patient transport or changes in body position. This effectively avoids the risk of detachment due to shaking or tipping, ensuring the continuity and uniformity of humidification fluid supply. It also facilitates reliable installation with a fixing clamp. Furthermore, the transparent design of the reservoir bottle and lower shell, combined with the drug delivery component, allows for real-time observation of the fluid level and convenient, aseptic drug delivery. The heating element is integrated into the bottom or side wall, which can uniformly heat the humidification fluid, ensuring stable output gas temperature and improving humidification comfort and clinical safety. Attached Figure Description

[0014] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments of the present invention will be briefly described below. Obviously, the drawings described below are merely some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0015] Figure 1 This is a three-dimensional structural diagram of the disposable endotracheal tube humidification device accessory tool according to an embodiment of the present invention.

[0016] Figure 2 This is a cross-sectional schematic diagram of the accessories and tools of the disposable endotracheal intubation humidification device according to an embodiment of the present invention.

[0017] Figure 3 This is a partial structural cross-sectional view of the disposable endotracheal tube humidification device accessory tool according to an embodiment of the present invention.

[0018] In the picture: 1. Lower shell; 2. Inner shell; 21. First through hole; 3. Liquid storage bottle; 31. Second through hole; 32. Screen; 4. Gas tube interface; 5. Upper shell; 6. External interface; 7. Folded tube; 8. Heating element; 81. Battery; 82. Heating element; 9. Dosing assembly; 91. Dosing port; 92. Cap; 10. Snap-fit ​​assembly; 101. Clamp; 102. First snap; 103. Second snap. Detailed Implementation

[0019] The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0020] The accompanying drawings are for illustrative purposes only and are schematic diagrams, not actual images. They should not be construed as limiting the scope of this patent. To better illustrate the embodiments of the present invention, some parts in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0021] In the accompanying drawings of the embodiments of the present invention, the same or similar reference numerals correspond to the same or similar components. In the description of the present invention, it should be understood that if terms such as "upper," "lower," "left," "right," "inner," and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting the present patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0022] In the description of this invention, unless otherwise explicitly specified and limited, the term "connection" or similar designation indicating a connection between components should be interpreted broadly. For example, it can refer to a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can refer to the internal communication between two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0023] like Figure 1-3 As shown, the present invention provides a technical solution: a disposable endotracheal intubation humidification device accessory tool, including a lower shell 1, an inner shell 2 rotatably installed on the upper side of the lower shell 1, the inner shell 2 being formed by two hollow halves interlocking together, a liquid storage bottle 3 installed inside the inner shell 2, the liquid storage bottle 3 having a conical structure that is wider at the bottom and narrower at the top, with the bottom wall thickness greater than the top wall thickness, so that the overall center of gravity of the liquid storage bottle 3 is located at its lower part, similar to a roly-poly toy. When the liquid storage bottle 3 is tilted by an external force, it can automatically return to an upright state within the inner shell 2, thereby facilitating patient transfer or changes in body position, preventing the liquid storage bottle 3 from shaking or even falling off, and avoiding interference with the continuous and uniform supply of humidification fluid. An endotracheal interface 4 is installed in the middle of the bottom of the lower shell 1, through which oxygen is supplied. A threaded connection is installed on the outer side of the top of the lower shell 1. The upper shell 5, together with the lower shell 1, prevents external interference. An external interface 6 is installed in the middle of the top of the upper shell 5, and a folded tube 7 is installed on the external interface 6. The end of the folded tube 7 can be connected to an oxygen mask to directly act on the patient's respiratory tract. A heating element 8 is installed inside the lower shell 1, which abuts against the inner shell 2. The heating element 8 transfers heat to the inner shell 2 and then to the liquid in the reservoir bottle 3 to adjust the liquid temperature to a suitable temperature. A drug delivery component 9 is also installed on the upper right side of the upper shell 5, which can add additional drugs to the reservoir bottle 3. A snap-fit ​​component 10 is installed in the middle of the outer side of the lower shell 1 for easy snap-fitting onto the hospital bed or medicine rack. Both the lower shell 1 and the reservoir bottle 3 are made of transparent material, and the reservoir bottle 3 has a scale to allow real-time observation of the liquid usage in the reservoir bottle 3.

[0024] like Figure 3 As shown, the inner shell 2 has multiple first through holes 21. When the inner shell 2 rotates, the dosing component 9 can add drugs into the storage bottle 3 through the first through holes 21. The storage bottle 3 has multiple second through holes 31. The high-pressure gas at the gas pipe interface 4 can pass through the multiple second through holes 31 to form a negative pressure, which "sucks" the liquid in the storage bottle 3. A screen 32 is installed at the bottle mouth inside the storage bottle 3. The liquid that is "sucked" up forms a fine mist mixture under the action of the screen 32, and then is released outward through the folded tube 7.

[0025] like Figure 2 As shown, the heating element 8 includes a battery 81 and a heating element 82. The battery 81 is located at the bottom of the lower shell 1, and a heating element 82 is installed on the top of the battery 81. The heating element 82 abuts against the inner shell 2, so that heat can be transferred through the inner shell 2 to the liquid storage bottle 3, so that the liquid inside is heated to a suitable temperature.

[0026] like Figure 2 As shown, the dosing assembly 9 includes a dosing port 91 and a cap 92. The dosing port 91 is located on the top right side of the upper shell 5. A cap 92 is threaded onto the dosing port 91. The cap 92 has an anti-slip groove on its outer side. When dosing is required, the cap 92 is opened and the drug is injected into the storage bottle 3 through the dosing port 91.

[0027] like Figure 2 As shown, the snap-fit ​​assembly 10 includes a clamp 101 and a first snap 102 and a second snap 103. The clamp 101 is installed in the middle of the outer side of the lower shell 1. A first snap 102 and a second snap 103 are respectively installed on the left and right sides of the clamp 101. The first snap 102 and the second snap 103 of different sizes make it easy to snap onto the hospital bed or medicine rack.

[0028] Working principle: In use, the lower shell 1 is fixed in the designated position by the first buckle 102 or the second buckle 103. At this time, the inner shell 2 is opened in half and the liquid-filled storage bottle 3 is placed in the inner shell 2. The inner shell 2 is then installed into the lower shell 1 so that the storage bottle 3 in the inner shell 2 can remain upright no matter which way the lower shell 1 is placed. Then, the upper shell 5 is tightened onto the lower shell 1. High-pressure gas is connected to the outside through the air pipe interface 4 and delivered to the storage bottle 3 through the first through hole 21 of the inner shell 2 and the second through hole 31 of the storage bottle 3. The high-speed airflow passes through multiple second through holes 31 to facilitate the passage of high-pressure gas at the air pipe interface 4 to form a negative pressure, which "sucks" the liquid in the storage bottle 3 up. The liquid that is "sucked up" passes through the screen 32 and forms a fine mist mixture, which is then released outward through the folded tube 7. The liquid in the storage bottle 3 can be observed through the lower shell 1. When the liquid is insufficient, the cap 92 is opened and the medicine is injected into the storage bottle 3 through the medicine addition port 91. It should be stated that the above-described specific embodiments are merely preferred embodiments of the present invention and the technical principles employed. Those skilled in the art should understand that various modifications, equivalent substitutions, and variations can be made to the present invention. However, such variations, as long as they do not depart from the spirit of the present invention, should be within the scope of protection of the present invention. Furthermore, some terminology used in this specification and claims is not limiting, but merely for ease of description.

Claims

1. A disposable endotracheal tube humidification device accessory tool, characterized in that, The device includes a lower shell (1), an inner shell (2) which is rotatably disposed inside the lower shell (1), a liquid storage bottle (3) which is disposed inside the inner shell (2), the liquid storage bottle (3) having a conical structure that is wider at the bottom and narrower at the top and the bottom wall thickness is greater than the top wall thickness, an air pipe interface (4) is disposed at the bottom of the lower shell (1), an upper shell (5) is disposed at the top of the lower shell (1), an external interface (6) is disposed on the upper shell (5), a folded tube (7) is disposed on the external interface (6), a heating element (8) is disposed inside the lower shell (1), a dosing assembly (9) is disposed on the upper right side of the upper shell (5), and a snap-fit ​​assembly (10) is disposed on the outer side of the lower shell (1).

2. The disposable endotracheal tube humidification device accessory tool according to claim 1, characterized in that, The inner shell (2) has several first through holes (21).

3. The disposable endotracheal tube humidification device accessory tool according to claim 1, characterized in that, The liquid storage bottle (3) has several second through holes (31) and a sieve (32) is provided inside the liquid storage bottle (3).

4. The disposable endotracheal tube humidification device accessory tool according to claim 2, characterized in that, The heating element (8) includes a battery (81) and a heating element (82). The battery (81) is disposed inside the lower shell (1), and the heating element (82) is disposed on the top of the battery (81). The heating element (82) abuts against the inner shell (2).

5. The disposable endotracheal tube humidification device accessory tool according to claim 1, characterized in that, The dosing assembly (9) includes a dosing port (91) and a cap (92). The dosing port (91) is located on the top right side of the upper shell (5), and the cap (92) is provided on the dosing port (91).

6. The disposable endotracheal tube humidification device accessory tool according to claim 1, characterized in that, The snap-fit ​​assembly (10) includes a clamp (101), a first buckle (102), and a second buckle (103). The clamp (101) is disposed on the outside of the lower shell (1), and the first buckle (102) and the second buckle (103) are respectively disposed on both sides of the clamp (101).

7. The disposable endotracheal tube humidification device accessory tool according to claim 1, characterized in that, Both the lower shell (1) and the liquid storage bottle (3) are made of transparent material, and the liquid storage bottle (3) is provided with a scale.

8. The disposable endotracheal tube humidification device accessory tool according to claim 5, characterized in that, The cap (92) has an anti-slip groove on its outer side.