A disposable negative pressure adsorption pad

By designing a multi-layer structured adsorption layer body, including an adsorption sponge pad and an activated carbon layer in a disposable negative pressure adsorption gasket, the problem of insufficient adsorption properties is solved, and the adsorption effect and use comfort are significantly improved.

CN222693672UActive Publication Date: 2025-04-01ZHONGJIA BAIKANG (FUJIAN) MEDICAL DEVICE CO LTD
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Patent Information

Application Number
CN202421274552.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-05
Publication Date
2025-04-01
Estimated Expiration
2034-06-05

AI Technical Summary

Technical Problem

The adsorption properties of existing disposable negative pressure adsorption gaskets are poor, resulting in patients' effusions that are prone to overflow and affect their use effect.

Method used

An adsorption layer body including a first adsorption sponge pad, an isolation pad, a second adsorption sponge pad, and an activated carbon layer is designed. It is fixed by connecting the first adhesive layer and the second adhesive layer to form a complete adsorption state and improve the adsorption capacity.

Benefits of technology

It improves the adsorption effect of negative pressure adsorption gaskets, reduces the phenomenon of fluid overflow, and enhances skin-friendly protection and connection fixation capabilities.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of medical negative pressure adsorption pads, and discloses a disposable negative pressure adsorption pad, including a negative pressure adsorption pad body, an adsorption layer body is fixed inside the negative pressure adsorption pad body, and an activated carbon layer is installed at the bottom of the second adhesive layer. The utility model forms an adsorption layer body by constructing a first adsorption sponge pad, an isolation pad, a second adsorption sponge pad, and an activated carbon layer, and uses the first adhesive layer and the second adhesive layer to connect and fix, so as to achieve the purpose of positioning. The first adsorption sponge pad and the isolation pad are formed on the same plane, and the isolation pad and the second adsorption sponge pad are formed on the same plane, so as to form a complete adsorption state during the working process. Therefore, during the working process, the first adsorption sponge pad first performs adsorption, and the adsorbed substance sinks to the position of the isolation pad for secondary adsorption, so as to better improve the overall adsorption capacity during the working process, thereby better reducing the phenomenon of overflow and the like.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical negative pressure adsorption pads, in particular to a disposable negative pressure adsorption pad. Background Art

[0002] Negative pressure adsorption is a commonly used physical adsorption technology. In the medical field, we often come into contact with the treatment of various acute and chronic wounds, such as trauma, burns and various chronic wounds. For such patients, negative pressure adsorption pads are used to prevent external pollutants from entering.

[0003] Based on the use of this type of negative pressure adsorption pad, this type of product is generally used once, so it is called a disposable negative pressure adsorption pad. Therefore, this type of product is mainly used to adsorb the patient's effusion, etc. At this time, if the adsorption is poor during use, it is easy to directly cause the effusion to overflow, affecting the use effect. Utility Model Content

[0004] The purpose of the utility model is to provide a disposable negative pressure adsorption pad to solve the problem that this type of product proposed in the above background technology is mainly used to adsorb the patient's effusion, etc. At this time, if the adsorption capacity is poor during use, it is easy to directly cause the effusion to overflow, affecting the use effect.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a disposable negative pressure adsorption pad, comprising a negative pressure adsorption pad main body, an adsorption layer main body fixed inside the negative pressure adsorption pad main body, the adsorption layer main body is distributed with a first adsorption sponge pad, an isolation pad, a second adsorption sponge pad, a first adhesive layer, a second adhesive layer, and an activated carbon layer from top to bottom, the bottom end of the first adsorption sponge pad is fixed with an isolation pad, the bottom end of the isolation pad is fixed with a second adsorption sponge pad, the bottom end of the second adsorption sponge pad is connected to the first adhesive layer, the bottom end of the first adhesive layer is connected to the second adhesive layer, and the bottom end of the second adhesive layer is installed with an activated carbon layer.

[0006] Preferably, an adhesive connection is formed between the first adhesive layer and the second adhesive layer, and an adhesive connection is formed between the second adhesive layer and the activated carbon layer.

[0007] Preferably, the surface areas of the first adsorption sponge pad and the isolation pad are the same, and the surface areas of the isolation pad and the second adsorption sponge pad are the same.

[0008] Preferably, a woven belt body is fixed between the negative pressure adsorption pad body and the adsorption layer body, and the woven belt body includes a first toughness layer, a first stretching layer, a second toughness layer, a second stretching layer and a center positioning layer.

[0009] Preferably, a first stretching layer is fixed to one end of the first toughness layer, a center positioning layer is fixed to one end of the first stretching layer, a second stretching layer is fixed to one end of the center positioning layer, and a second toughness layer is fixed to one end of the second stretching layer.

[0010] Preferably, the surface areas of the first tough layer and the second tough layer are the same, and the surface areas of the second stretching layer and the center positioning layer are the same.

[0011] Preferably, the front and rear ends of the top of the negative pressure adsorption pad body are connected to the first Velcro layer, the top of the first Velcro layer is connected to the second Velcro layer, the top of the second Velcro layer is connected to the first protective pad, and the second protective pads are installed on both sides of the top of the negative pressure adsorption pad body.

[0012] Preferably, the first protective pad is symmetrically distributed about the central axis of the negative pressure adsorption gasket body, and the second protective pad is symmetrically distributed about the central axis of the negative pressure adsorption gasket body. Soft padding is fixed at the middle position inside the first protective pad and the second protective pad, and the top and bottom ends of the soft padding are connected to antibacterial cotton, and one end of the antibacterial cotton is connected to isolation cotton.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the disposable negative pressure adsorption pad not only improves the adsorption effect, but also improves the skin-friendly protection ability and connection and fixing ability of the negative pressure adsorption pad;

[0014] (1) The adsorption layer body is formed by constructing a first adsorption sponge pad, an isolation pad, a second adsorption sponge pad, and an activated carbon layer, and the first adhesive layer and the second adhesive layer are connected and fixed to achieve the purpose of positioning. The first adsorption sponge pad and the isolation pad are formed on the same plane, and the isolation pad and the second adsorption sponge pad are formed on the same plane, thereby forming a complete adsorption state during the working process. Therefore, during the working process, the first adsorption sponge pad first adsorbs, and the adsorbed substance sinks to the position of the isolation pad for secondary adsorption, thereby better improving the overall adsorption capacity during the working process, thereby better reducing the phenomenon of overflow;

[0015] (2) The first protective pad and the second protective pad are connected and installed by using the first Velcro layer and the second Velcro layer to cooperate with each other. At this time, the first protective pad and the second protective pad are filled with soft padding, and after the antibacterial cotton is fixed at both ends of the soft padding, the overall contact protection capability can be better achieved under the combined use, thereby improving the comfort during use;

[0016] (3) The connection and fixation between the negative pressure adsorption gasket body and the adsorption layer body are completed by using the woven belt body, and the first toughness layer and the second toughness layer in the woven belt body are respectively used for the connection and fixation of the negative pressure adsorption gasket body and the edge position of the adsorption layer body. With the cooperation of the second stretching layer and the center positioning layer, the overall stretching effect is better improved, which facilitates the connection and installation of the negative pressure adsorption gasket body and the adsorption layer body, thereby improving the overall connection ability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the top view structure of the utility model;

[0018] Figure 2 This is a front view structural schematic diagram of the utility model;

[0019] Figure 3 It is a partial front view cross-sectional structural diagram of the first protective pad of the utility model;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the main cross section of the adsorption layer of the utility model;

[0021] Figure 5 It is a schematic diagram of the cross-sectional structure of the main section of the braided belt of the utility model in a front view.

[0022] In the figure: 1. Negative pressure adsorption gasket body; 2. First protective pad; 3. Adsorption layer body; 4. Braided belt body; 5. Second protective pad; 6. First Velcro layer; 7. Second Velcro layer; 8. Antibacterial cotton; 9. Soft pad cotton; 10. Isolation cotton; 11. First adsorption sponge pad; 12. Isolation pad; 13. Second adsorption sponge pad; 14. First adhesive layer; 15. Second adhesive layer; 16. Activated carbon layer; 17. First toughness layer; 18. First stretching layer; 19. Second toughness layer; 20. Second stretching layer; 21. Center positioning layer. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-5The utility model provides an embodiment: a disposable negative pressure adsorption pad, comprising a negative pressure adsorption pad body 1, an adsorption layer body 3 is fixed inside the negative pressure adsorption pad body 1, the adsorption layer body 3 is distributed from top to bottom with a first adsorption sponge pad 11, an isolation pad 12, a second adsorption sponge pad 13, a first adhesive layer 14, a second adhesive layer 15, and an activated carbon layer 16, the bottom end of the first adsorption sponge pad 11 is fixed with an isolation pad 12, the bottom end of the isolation pad 12 is fixed with a second adsorption sponge pad 13, the bottom end of the second adsorption sponge pad 13 is connected with the first adhesive layer 14, the bottom end of the first adhesive layer 14 is connected with the second adhesive layer 15, and the bottom end of the second adhesive layer 15 is installed with an activated carbon layer 16.

[0025] An adhesive connection is formed between the first adhesive layer 14 and the second adhesive layer 15 , and an adhesive connection is formed between the second adhesive layer 15 and the activated carbon layer 16 .

[0026] The surface areas of the first adsorption sponge pad 11 and the isolation pad 12 are the same, and the surface areas of the isolation pad 12 and the second adsorption sponge pad 13 are the same.

[0027] A woven belt body 4 is fixed between the negative pressure adsorption pad body 1 and the adsorption layer body 3 , and the woven belt body 4 includes a first toughness layer 17 , a first stretching layer 18 , a second toughness layer 19 , a second stretching layer 20 and a center positioning layer 21 .

[0028] A first tensile layer 18 is fixed to one end of the first toughness layer 17 , a centering layer 21 is fixed to one end of the first tensile layer 18 , a second tensile layer 20 is fixed to one end of the centering layer 21 , and a second toughness layer 19 is fixed to one end of the second tensile layer 20 .

[0029] The surface areas of the first tough layer 17 and the second tough layer 19 are the same, and the surface areas of the second stretching layer 20 and the center positioning layer 21 are the same.

[0030] The front and rear ends of the top of the negative pressure absorption pad body 1 are connected to the first Velcro layer 6, the top of the first Velcro layer 6 is connected to the second Velcro layer 7, the top of the second Velcro layer 7 is connected to the first protective pad 2, and the second protective pads 5 are installed on both sides of the top of the negative pressure absorption pad body 1.

[0031] The first protective pad 2 is symmetrically distributed about the central axis of the negative pressure adsorption pad body 1, and the second protective pad 5 is symmetrically distributed about the central axis of the negative pressure adsorption pad body 1. A soft pad 9 is fixed at the middle position inside the first protective pad 2 and the second protective pad 5. The top and bottom ends of the soft pad 9 are connected to antibacterial cotton 8, and one end of the antibacterial cotton 8 is connected to isolation cotton 10;

[0032] Furthermore, the antibacterial cotton 8 can be composed of polyester fiber and antibacterial agent to achieve the purpose of soft antibacterial properties;

[0033] Furthermore, the second stretching layer 20 can be made of elastic fibers, and the center positioning layer 21 can be made of shaping fibers such as polyester. Furthermore, the first toughness layer 17 and the second toughness layer 19 can be made of mesh fibers to reduce breakage.

[0034] Working principle: First, during operation, the woven belt body 4 is used to complete the connection and fixation between the negative pressure adsorption gasket body 1 and the adsorption layer body 3, and the first toughness layer 17 and the second toughness layer 19 in the woven belt body 4 are respectively used for the connection and fixation of the edge positions of the negative pressure adsorption gasket body 1 and the adsorption layer body 3. With the cooperation of the second stretching layer 20 and the center positioning layer 21, the purpose of full connection is formed, and then the first adsorption sponge pad 11, the isolation pad 12, the second adsorption sponge pad 13, and the activated carbon layer 16 are constructed to form the adsorption layer body 3, and the first adhesive layer 14 and the second adhesive layer 15 are used to connect and fix, so as to achieve the purpose of position positioning. The first adsorption sponge pad 11 and the isolation pad 12 are formed on the same plane, and the isolation pad 12 and the second adsorption sponge pad 13 are formed on the same plane, thereby forming a complete adsorption state during the operation. The first adsorption sponge pad 11 is first adsorbed, and the adsorbed substance sinks to the position of the isolation pad 12 for secondary adsorption, thereby forming a complete protection state.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A disposable negative pressure adsorption pad, comprising a negative pressure adsorption pad body (1), characterized in that: An adsorption layer body (3) is fixed inside the negative pressure adsorption pad body (1), and the adsorption layer body (3) is provided with a first adsorption sponge pad (11), an isolation pad (12), a second adsorption sponge pad (13), a first adhesive layer (14), a second adhesive layer (15), and an activated carbon layer (16) from top to bottom. The isolation pad (12) is fixed to the bottom end of the first adsorption sponge pad (11), the second adsorption sponge pad (13) is fixed to the bottom end of the isolation pad (12), the first adhesive layer (14) is connected to the bottom end of the second adsorption sponge pad (13), the second adhesive layer (15) is connected to the bottom end of the first adhesive layer (14), and the activated carbon layer (16) is installed at the bottom end of the second adhesive layer (15).

2. A disposable negative pressure adsorption pad according to claim 1, characterized in that: An adhesive connection is formed between the first adhesive layer (14) and the second adhesive layer (15), and an adhesive connection is formed between the second adhesive layer (15) and the activated carbon layer (16).

3. A disposable negative pressure adsorption pad according to claim 1, characterized in that: The surface areas formed between the first adsorption sponge pad (11) and the isolation pad (12) are the same in size, and the surface areas formed between the isolation pad (12) and the second adsorption sponge pad (13) are the same in size.

4. A disposable negative pressure adsorption pad according to claim 1, characterized in that: A woven belt body (4) is fixed between the negative pressure adsorption pad body (1) and the adsorption layer body (3), and the woven belt body (4) comprises a first toughness layer (17), a first stretching layer (18), a second toughness layer (19), a second stretching layer (20) and a center positioning layer (21).

5. A disposable negative pressure adsorption pad according to claim 4, characterized in that: A first stretching layer (18) is fixed to one end of the first toughness layer (17), a center positioning layer (21) is fixed to one end of the first stretching layer (18), a second stretching layer (20) is fixed to one end of the center positioning layer (21), and a second toughness layer (19) is fixed to one end of the second stretching layer (20).

6. A disposable negative pressure adsorption pad according to claim 5, characterized in that: The surface areas of the first tough layer (17) and the second tough layer (19) are the same, and the surface areas of the second stretching layer (20) and the center positioning layer (21) are the same.

7. The disposable negative pressure adsorption pad according to claim 1, characterized in that: The front and rear ends of the top of the negative pressure adsorption pad body (1) are both connected to a first Velcro layer (6), the top of the first Velcro layer (6) is connected to a second Velcro layer (7), the top of the second Velcro layer (7) is connected to a first protective pad (2), and second protective pads (5) are installed on both sides of the top of the negative pressure adsorption pad body (1).

8. A disposable negative pressure adsorption pad according to claim 7, characterized in that: The first protective pad (2) is symmetrically distributed about the central axis of the negative pressure adsorption pad body (1), and the second protective pad (5) is symmetrically distributed about the central axis of the negative pressure adsorption pad body (1). Soft padding (9) is fixed at the middle position inside the first protective pad (2) and the second protective pad (5), and the top and bottom ends of the soft padding (9) are connected to antibacterial cotton (8), and one end of the antibacterial cotton (8) is connected to isolation cotton (10).