A new carbon dioxide absorption tank

By designing a detachable ventilation support and permeable baffle structure in the carbon dioxide absorption tank, the operational difficulties in the process of replacing the soft bag are solved, enabling convenient replacement and cleaning maintenance, and improving the service life and working efficiency of the equipment.

CN224441879UActive Publication Date: 2026-07-03SHANGHAI MIGUOU MEDICAL TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI MIGUOU MEDICAL TECHNOLOGY CO LTD
Filing Date
2024-12-06
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

When replacing the carbon dioxide absorber bag in existing carbon dioxide absorber tanks, the internal structure of the tank can easily obstruct the operation, making it difficult and potentially causing damage to the absorbent bag and leakage of absorbent, which affects work efficiency and equipment cleanliness.

Method used

A detachable ventilation bracket was designed and installed at the top opening of the tank. The main body of the bracket is composed of a hollow ventilation pipe, and the side opening is tightly sealed with the top opening of the vent pipe. The inside of the tank is equipped with a breathable baffle to divide it into upper and lower receiving cavities, which facilitates the insertion and removal of soft bags.

Benefits of technology

It improves ease of operation, avoids damage to soft bags and leakage of absorbent, extends equipment life, reduces maintenance costs, and improves work efficiency and cleanliness.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224441879U_ABST
    Figure CN224441879U_ABST
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Abstract

This utility model provides a novel carbon dioxide absorption canister and a soft bag used therein, including a canister body and a ventilation support. The canister body forms an internal receiving space and an air inlet through an opening. Air outlet pipes are provided on the side walls on both sides of the canister body, extending towards the bottom along the side walls. The ventilation support is detachably installed at the top opening of the canister body. The ventilation support includes a support body composed of hollow ventilation pipes, a main air outlet at the middle of the support body, and side openings at the bottom of both ends of the support body. This utility model provides a novel carbon dioxide absorption canister with a detachable structure. While retaining the original ventilation function of the canister body, a detachable ventilation support is provided at the top opening of the canister body. Installation and disassembly are simple, ensuring a smooth ventilation circuit and facilitating the insertion and removal of the carbon dioxide soft bag.
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Description

Technical Field

[0001] This utility model relates to the field of electronic device accessories technology, and in particular to a novel carbon dioxide absorption tank. Background Technology

[0002] Carbon dioxide absorbent canisters are typically used in conjunction with anesthesia machines, absorbing the carbon dioxide and moisture exhaled by the patient through the absorbent inside. During use, the absorbent's absorption capacity decreases, requiring replacement. Since replacement is necessary after a certain period, emptying the absorbent and refilling it generates a significant amount of dust and is cumbersome. Currently, disposable carbon dioxide absorbers avoid dust generation; however, replacing the absorbent may require changing the connection circuit between the absorbent and the anesthesia machine, increasing the risk to the patient.

[0003] Using a soft bag design for the carbon dioxide absorbent makes the replacement process simple and quick; the entire soft bag can be removed and replaced with a new one, greatly reducing operation time and dust pollution. Since the tank does not need to come into direct contact with the absorbent during loading and replacement, absorbent dust is effectively prevented from remaining inside the tank, thus maintaining the cleanliness of the absorption tank for a longer period, reducing maintenance costs, and extending the service life of the equipment.

[0004] However, in practical applications, this design presents a pressing problem: when attempting to place the carbon dioxide soft bag into the absorption tank, it is often obstructed by the tank's internal structure. Specifically, the vent pipe in the middle of the tank and the support at the top of the pipe opening become the main obstacles to the smooth placement and subsequent retrieval of the soft bag. Placing the carbon dioxide soft bag into this type of carbon dioxide absorption tank not only makes the operation very difficult but also reduces work efficiency and may even cause damage to the soft bag during operation, leading to leakage and waste of the absorbent. Summary of the Invention

[0005] To address the aforementioned technical problems, this utility model provides a novel carbon dioxide absorption tank, comprising: a tank body and a ventilation support. Specifically, the tank body is an open-top tank body, with an internal accommodating space and an air inlet formed through the open top. An air outlet pipe is provided on at least one side wall inside the tank body, extending downwards from the side wall. The ventilation support is detachably installed at the open top of the tank body. The ventilation support includes a support body, which is composed of a hollow ventilation pipe. A main air outlet is located in the middle of the support body, and a side opening is provided at the bottom of at least one end of the support body. The shape and size of the side opening correspond to the top opening of the air outlet pipe.

[0006] Furthermore, the main body of the support is specifically composed of a straight hollow ventilation pipe, and the length of the main body of the support matches the diameter of the opening at the top of the tank;

[0007] Furthermore, when the venting bracket and the top opening of the tank are in the installed state, the side opening and the top opening of the vent pipe are tightly sealed to each other.

[0008] Furthermore, the side opening at the top of the air outlet is specifically sealed tightly to each other by means of snap-fit ​​or fitting.

[0009] Furthermore, the top opening of the vent pipe is specifically a circular opening, the main body of the support is specifically a cylindrical hollow vent pipe, and the bottom of at least one end of the main body of the support is provided with a circular side opening corresponding to the shape and size of the circular opening. The main body of the support is also provided with a solid support, which is supported at the edge of the tank.

[0010] Furthermore, a breathable baffle is provided horizontally near the bottom of the tank, which divides the internal space of the tank into two interconnected chambers: a first chamber and a second chamber.

[0011] Furthermore, the vent pipe extends from the side wall of the tank to the bottom and penetrates the venting baffle, and the bottom opening of the vent pipe forms a gap with the bottom of the second receiving cavity;

[0012] Furthermore, the first accommodating cavity is used to hold the carbon dioxide absorbent;

[0013] Furthermore, the air outlet is specifically a semi-circular or crescent-shaped air outlet pipe, and the top and bottom openings are specifically semi-circular or crescent-shaped; the side opening is semi-circular or crescent-shaped, corresponding to the top opening.

[0014] Furthermore, it also includes a carbon dioxide absorbent soft bag, which can be placed inside the containing space. The carbon dioxide absorbent soft bag includes a soft bag body, and the soft bag body contains carbon dioxide absorbent particles. The soft bag body has a plurality of breathable pores evenly distributed on it. The pore size of the breathable pores is smaller than that of the carbon dioxide absorbent particles. A sponge is provided at the upper and / or lower ends of the soft bag.

[0015] Based on the disclosure of the above embodiments, it can be understood that the beneficial effects of this utility model include: a novel carbon dioxide absorption canister with a detachable structure provided by this utility model. This design, while retaining the original ventilation function of the canister, has been improved by installing a detachable ventilation bracket at the top opening of the canister. This bracket can be easily installed and removed, ensuring smooth ventilation of the canister and greatly facilitating the insertion and removal of the carbon dioxide soft bag. The novel carbon dioxide absorption canister provided by this utility model not only significantly improves the convenience and efficiency of operation but also effectively avoids problems such as soft bag damage and absorbent leakage caused by improper operation. Simultaneously, due to the detachability of the bracket, medical personnel can more easily clean and maintain the absorption canister, further extending the service life of the equipment. In summary, this innovative design provides stronger protection for the cleanliness of the medical environment and the health of medical staff and patients, and also brings higher work efficiency and lower operating costs to medical institutions.

[0016] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention may be realized and obtained by means of the structures particularly pointed out in the written description, claims, and drawings.

[0017] The technical solution of this utility model will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0019] Figure 1 This is a schematic diagram of the first overall structure of the novel carbon dioxide absorption tank according to Embodiment 1 of this utility model;

[0020] Figure 2 This is a schematic diagram of the second overall structure of a first embodiment of the novel carbon dioxide absorption tank of this utility model;

[0021] Figure 3 This is a schematic diagram of the tank structure of Embodiment 1 of the novel carbon dioxide absorption tank of this utility model;

[0022] Figure 4 This is a schematic diagram of the first structure of the ventilation support according to Embodiment 1 of this utility model;

[0023] Figure 5 This is a schematic diagram of the second structure of the ventilation support according to Embodiment 1 of this utility model;

[0024] Figure 6 This is a schematic diagram of the third overall structure of Embodiment 1 of this utility model;

[0025] Figure 7 This is a schematic diagram of the first overall structure of Embodiment 2 of the novel carbon dioxide absorption tank of this utility model;

[0026] Figure 8 This is a schematic diagram of the second overall structure of the novel carbon dioxide absorption tank according to Embodiment 2 of this utility model;

[0027] Figure 9 This is a schematic diagram of the first structure of the ventilation support in Embodiment 2 of this utility model;

[0028] Figure 10 This is a schematic diagram of the second structure of the ventilation support according to Embodiment 2 of this utility model. Detailed Implementation

[0029] The specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings, but these are not intended to limit the scope of the present invention.

[0030] It should be understood that various modifications can be made to the embodiments disclosed herein. Therefore, the following description should not be considered as limiting, but merely as an example of embodiments. Other modifications within the scope and spirit of this disclosure will be apparent to those skilled in the art.

[0031] The accompanying drawings, which are included in and form part of this specification, illustrate embodiments of the present disclosure and, together with the general description of the disclosure given above and the detailed description of the embodiments given below, serve to explain the principles of the disclosure.

[0032] These and other features of the present invention will become apparent from the following description of preferred forms of embodiments given as non-limiting examples, with reference to the accompanying drawings.

[0033] It should also be understood that although the present invention has been described with reference to some specific examples, those skilled in the art can certainly implement many other equivalent forms of the present invention, which have the features described in the claims and are therefore all within the scope of protection defined herein.

[0034] The above and other aspects, features and advantages of this disclosure will become more apparent when taken in conjunction with the accompanying drawings and in view of the following detailed description.

[0035] Specific embodiments of the present disclosure are described thereafter with reference to the accompanying drawings; however, it should be understood that the disclosed embodiments are merely examples of the present disclosure and can be implemented in various ways. Well-known and / or repeated functions and structures are not described in detail to avoid unnecessary or redundant details that could obscure the present disclosure. Therefore, the specific structural and functional details disclosed herein are not intended to be limiting, but merely to serve as the basis and representative basis for the claims to teach those skilled in the art to use the present disclosure in a variety of substantially any suitable detailed structures.

[0036] This specification may use the phrases “in one embodiment,” “in another embodiment,” “in yet another embodiment,” or “in still another embodiment,” all of which may refer to one or more of the same or different embodiments according to this disclosure.

[0037] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0038] like Figures 1 to 4 As shown, Figure 1 This is a schematic diagram of the first overall structure of the novel carbon dioxide absorption tank according to Embodiment 1 of this utility model; Figure 2 This is a schematic diagram of the second overall structure of a first embodiment of the novel carbon dioxide absorption tank of this utility model; Figure 3 This is a schematic diagram of the tank structure of Embodiment 1 of the novel carbon dioxide absorption tank of this utility model; Figure 4 This is a schematic diagram of the first structure of the ventilation support in Embodiment 1 of the present invention; in Embodiment 1 of the present invention, a novel carbon dioxide absorption tank and a soft bag used therein are provided, including a tank body 1 and a ventilation support 2, wherein the ventilation support 2 is detachably installed at the top opening of the tank body 1.

[0039] like Figure 3 As shown, the tank 1 is specifically an open-top tank 1, with an internal accommodating space and an air inlet formed through the open top; an air outlet pipe 11 is provided on at least one side wall inside the tank 1, extending downwards along the side wall of the tank 1, preferably with air outlet pipes 11 provided on both sides of the internal side wall of the tank; in a preferred embodiment of the present invention, a breathable baffle 14 is provided horizontally near the bottom of the tank 1, the breathable baffle 14 is provided with a plurality of breathable holes, the breathable holes can be of any shape, the breathable holes are evenly arranged on the breathable baffle, and the breathable baffle divides the internal accommodating space of the tank into two interconnected first accommodating cavities 15 and second accommodating cavities 16.

[0040] The vent pipe 11 extends from the side wall of the tank 1 to the bottom and penetrates the venting baffle 14. The bottom opening 13 of the vent pipe 11 forms a gap with the bottom of the second receiving cavity 16. The first receiving cavity 15 is used to place the carbon dioxide absorbent. The second receiving cavity 16 is a chamber for forming a backflow between the inlet and outlet. Specifically, the vent pipe 11 is a semi-circular or crescent-shaped vent pipe, and the top opening 12 and the bottom opening 13 are specifically semi-circular or crescent-shaped openings.

[0041] like Figure 4 As shown, the ventilation support 2 includes a support body 21, which is composed of a hollow ventilation pipe. A main air outlet 22 is provided in the middle of the support body 2, and a side opening 23 is provided at the bottom of at least one end of the support body. The shape and size of the side opening 2 correspond to the top opening 12 of the air outlet pipe. Preferably, the bottom of both ends of the support body 21 are respectively provided with side openings 23. In a preferred embodiment of this utility model, the support body 21 is specifically composed of a straight hollow ventilation pipe, and the length of the support body 21 matches the diameter of the top opening of the tank. When the venting bracket 2 and the top opening of the tank body 1 are in the installed state, the side opening 23 and the top opening 12 of the vent pipe 11 are tightly sealed together by snap-fitting or bonding. Preferably, the bonding method can be a magnetic bonding method. When the venting bracket 2 and the top opening of the tank body 1 are in the disassembled state, the side opening is detached from the top opening 12 of the vent pipe 11, thereby removing the venting bracket 2 from the top opening of the tank body 1. When the top opening 12 and the bottom opening 13 are specifically crescent-shaped, the side opening is also crescent-shaped, corresponding to the top opening, thus ensuring that the side opening and the top opening can be completely and tightly sealed together without leakage.

[0042] like Figure 2 As shown, Figure 2Specifically, the novel carbon dioxide absorption tank of this utility model is shown in the overall structural diagram of the ventilation support 2 and the top opening of the tank body 1 in the installed state. It can be seen that the gas before filtration enters from the top opening of the tank body 1. When passing through the first receiving cavity 15 of the tank body 1, impurities such as carbon dioxide in the gas are filtered by the carbon dioxide absorbent placed in the first receiving cavity 15. Thus, when the gas passes through the first receiving cavity 15 and reaches the venting baffle to reach the second receiving cavity 16, the gas has completed filtration, forming filtered gas. At this time, the filtered gas completes its return flow in the second receiving cavity 16. The gas flows in from the bottom opening 13 of the outlet pipes provided on both sides of the tank body 1, and passes through the side openings 23 provided at both ends of the support body 21 along the outlet pipe 11, converging from both sides to the middle position of the hollow ventilation pipe of the support body 21, and flowing out from the main outlet 22 provided in the middle position of the support body 21.

[0043] like Figure 5 and Figure 6 As shown, Figure 5 This is a schematic diagram of the second structure of the ventilation support according to Embodiment 1 of this utility model; Figure 6 This is a schematic diagram of the third overall structure of Embodiment 1 of the present invention. In another embodiment of Embodiment 1 of the present invention, the ventilation support 2 is specifically a cross-shaped structure, including a support body 21. The horizontal part of the support body 21 is composed of a hollow ventilation pipe, and the vertical part is composed of a pair of solid supports. Preferably, the solid supports are made of plastic or metal. A main air outlet 22 is provided in the middle of the support body 21. When the ventilation support 2 and the top opening of the tank 1 are in the installation state, the pair of solid supports can support the edge of the tank 1, thereby further ensuring that the ventilation support 2 can be more stably installed at the top opening of the tank 1 in the installation state.

[0044] like Figures 7 to 10 As shown, Figure 7 This is a schematic diagram of the first overall structure of Embodiment 2 of the novel carbon dioxide absorption tank of this utility model; Figure 8 This is a schematic diagram of the second overall structure of the novel carbon dioxide absorption tank according to Embodiment 2 of this utility model; Figure 9 This is a schematic diagram of the first structure of the ventilation support in Embodiment 2 of this utility model; Figure 10This is a schematic diagram of the second structure of the ventilation support according to Embodiment 2 of the present invention. In Embodiment 2 of the present invention, the novel carbon dioxide absorption tank includes a tank body 1 and a ventilation support 2. The tank body 1 is specifically an open-top tank body 1, with an internal accommodating space and an air inlet formed through the open top. An air outlet pipe is provided on at least one side wall inside the tank body 1, extending towards the bottom along the side wall of the tank body 1. The ventilation support 2 is detachably installed at the open top of the tank body 1.

[0045] The ventilation support 2 includes a support body 21, which is specifically composed of a cylindrical hollow ventilation pipe. A main air outlet 22 is provided in the middle of the support body 21, and a side opening 23 is provided at the bottom of one end of the support body 21. The top opening 12 of the air outlet is specifically a circular opening. The support body 21 is specifically a cylindrical hollow ventilation pipe, and a circular side opening corresponding to the shape and size of the circular opening is provided at the bottom of one end of the support body 21. Further, one end of the support body 21 is a bent L-shaped cylindrical hollow ventilation pipe, and a circular side opening corresponding to the shape and size of the circular opening is provided at the bottom of one end of the L-shaped cylindrical hollow ventilation pipe. The support body 21 is also provided with solid supports 24. Preferably, there are three solid supports 24, which facilitate the support body 21 to be supported at the edge of the tank.

[0046] This utility model also includes a carbon dioxide absorbent soft bag, the soft bag comprising a soft bag body, the soft bag body containing carbon dioxide absorbent particles, and the soft bag body having a plurality of evenly distributed air-permeable pores, the pore size of which is smaller than that of the carbon dioxide absorbent particles. The soft bag is used to be placed in the first receiving cavity of the canister 1. In a preferred embodiment of this utility model, the soft bag can be a variety of shapes such as round, semi-circular, or elliptical, and the soft bag body can be made of non-woven fabric or a plastic material; specifically, the plastic material can include: polyvinyl chloride (PVC), which is a widely used plastic material with good flexibility and chemical stability, and can resist the erosion of a variety of chemicals, including some acidic substances. It is easy to process into films of various shapes and thicknesses, making it suitable for manufacturing soft bags requiring a certain strength and durability; Polystyrene (PS), although polystyrene is more commonly used to make rigid plastic products, there are also some special types of polystyrene, such as expanded polystyrene, which can be made into soft and breathable materials through special processes, suitable for the manufacture of soft bags with specific needs; Polyurethane (PU), polyurethane is a multifunctional polymer material that can achieve different hardness, elasticity, and breathability by adjusting its formulation. It is widely used in the manufacture of medical supplies, clothing, and industrial hoses, and is an ideal choice for certain high-end or special applications due to its excellent biocompatibility and abrasion resistance; Ethylene-vinyl acetate copolymer (EVA), ethylene-vinyl acetate copolymer is a copolymer of ethylene and vinyl acetate, with good softness, toughness, and transparency, while also possessing certain heat-sealing properties, making it easy to process into various packaging materials. By adjusting the vinyl acetate content in EVA, its softness and breathability can be changed, making it suitable as a material for carbon dioxide absorbent soft bags; Nylon (PA), nylon is a synthetic polyamide fiber with good strength, abrasion resistance, and elasticity. Certain types of nylon, such as nylon 6 or nylon 66, can be processed into films or fabrics using special techniques. These materials are lightweight and durable, making them suitable for flexible pouch designs requiring high mechanical strength. Polytetrafluoroethylene (PTFE) or other fluoropolymers: Although more expensive, PTFE and its analogues are ideal for making flexible pouches in certain extreme environments (such as highly corrosive or high-temperature conditions) due to their extremely high chemical stability, non-stick properties, and high-temperature resistance. However, for ordinary carbon dioxide absorbent flexible pouches, these materials may be too expensive and unnecessary.

[0047] In a preferred embodiment of this invention, a sponge is further provided at the upper and / or lower ends of the soft bag. The sponge serves several functions: 1) filtration: the sponge may prevent carbon dioxide absorbent particles from leaking out through breathable pores while allowing gases (such as carbon dioxide) to pass through and react with the absorbent particles; 2) airflow regulation: the sponge helps regulate the airflow speed entering or leaving the soft bag, thereby optimizing the absorption process; 3) absorbent protection: the sponge also prevents external impurities or moisture from entering the soft bag, protecting the integrity and effectiveness of the carbon dioxide absorbent particles. Preferably, the sponge can be a polyurethane sponge, which has good breathability and elasticity and is commonly used in filtration and cushioning applications; the sponge can also be a polyester sponge, which is chemically resistant, has good breathability, and is suitable for various environments. The sponge can also be other specially formulated synthetic sponges, which can be customized according to specific needs to further enhance moisture absorption, chemical stability, or breathability.

[0048] The above embodiments are merely exemplary embodiments of this utility model and are not intended to limit this utility model. The scope of protection of this utility model is defined by the claims. Those skilled in the art can make various modifications or equivalent substitutions to this utility model within its substance and scope of protection, and such modifications or equivalent substitutions should also be considered to fall within the scope of protection of this utility model.

Claims

1. A novel carbon dioxide absorption tank characterized by, include: Tank body and ventilation support, The tank is specifically an open-top tank with an internal space and an air inlet formed through the opening; an air outlet pipe is provided on at least one side wall inside the tank, and the air outlet pipe extends to the bottom along the side wall of the tank. The ventilation bracket is detachably installed at the top opening of the tank. The ventilation bracket includes a bracket body, which is composed of a hollow ventilation pipe. A main air outlet is provided in the middle of the bracket body. A side opening is provided at the bottom of at least one end of the bracket body. The shape and size of the side opening correspond to the top opening of the air outlet pipe.

2. The novel carbon dioxide absorption can according to claim 1, characterized in that, The main body of the support is specifically composed of a straight hollow ventilation pipe, and the length of the main body of the support matches the diameter of the opening at the top of the tank.

3. The novel carbon dioxide absorption can according to claim 2, characterized in that, When the venting bracket and the top opening of the tank are in the installed state, the side opening and the top opening of the vent pipe are tightly sealed to each other.

4. The novel carbon dioxide absorption tank according to claim 3, characterized by, The side openings at the top of the air outlet are sealed tightly to each other by means of snap-fit ​​or fitting.

5. The novel carbon dioxide absorption can according to claim 1, characterized in that, The top opening of the vent pipe is specifically a circular opening, and the main body of the support is specifically a cylindrical hollow vent pipe. At least one end of the main body of the support has a circular side opening corresponding to the shape and size of the circular opening. The main body of the support is also provided with a solid support, which is supported at the edge of the tank.

6. The novel carbon dioxide absorption can according to claim 1, characterized in that, The tank has a horizontally permeable baffle near the bottom, which divides the internal space of the tank into two interconnected chambers: a first chamber and a second chamber.

7. The novel carbon dioxide absorption can according to claim 6, characterized in that, The vent pipe extends from the side wall of the tank to the bottom and penetrates the venting baffle, with the bottom opening of the vent pipe forming a gap with the bottom of the second receiving cavity.

8. The novel carbon dioxide absorption tank according to claim 6, characterized in that, The first cavity is used to hold the carbon dioxide absorbent.

9. The novel carbon dioxide absorption can according to claim 1, characterized in that, The air outlet is specifically a semi-circular or crescent-shaped air outlet pipe, and the top and bottom openings are specifically semi-circular or crescent-shaped openings; the side openings are semi-circular or crescent-shaped corresponding to the top openings.

10. The novel carbon dioxide absorption can according to claim 1, characterized in that, It also includes a carbon dioxide absorbent soft bag, which can be placed inside the containing space. The carbon dioxide absorbent soft bag includes a soft bag body, and the soft bag body contains carbon dioxide absorbent particles. The soft bag body has a plurality of breathable pores evenly distributed on it. The pore size of the breathable pores is smaller than that of the carbon dioxide absorbent particles. A sponge is provided at the upper and / or lower ends of the soft bag.