Nanocellulose dressing with separated cloth and liquid

By designing nanocellulose dressings separated by cloth liquid, the problems of poor antibacterial properties and easy adhesion of existing dressings are solved, and the maximum retention and extended service life of nanocellulose is achieved, which promotes wound healing and prevents infection.

CN222870782UActive Publication Date: 2025-05-16YUYUE HOME TEXTILE CO LTD
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Patent Information

Application Number
CN202421463845.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-25
Publication Date
2025-05-16
Estimated Expiration
2034-06-25

AI Technical Summary

Technical Problem

Existing medical dressings have poor antibacterial properties when absorbing wound exudate, which easily sticks to wounds, resulting in slow wound healing and easy inflammation.

Method used

A nanocellulose dressing for liquid separation is designed, and the nanocellulose solution is partitioned with the membrane distribution through a three-layer bag body, and a channel is formed through a presser to impregnate the membrane distribution and realize the separation of the cloth and liquid distribution.

Benefits of technology

It retains the efficacy of nanocellulose to the maximum extent, extends the service life, prevents gauze or non-woven fabric from adhesion to the skin, reduces secondary damage to the wound, prevents bacteria and other microorganisms from entering, and promotes wound healing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a nanocellulose dressing with cloth and liquid separated, which comprises a bag body, the bag body is of a three-layer structure and comprises a bag body outer layer and a bag body middle layer, and the inner space of the whole bag body is divided into two cavities by the three-layer structure, namely a first cavity and a second cavity; a nanocellulose solution is placed in the first cavity, film cloth is placed in the second cavity, and the film cloth and the nanocellulose solution are partitioned through the bag body middle layer; a pressing device is arranged on the lower left portion of the bag body, the bag body outer layer and the bag body middle layer are connected through the pressing device, a channel is formed between the two cavities through the pressing device, and the film cloth is impregnated with the nanocellulose. The membrane cloth and the nanocellulose solution are partitioned through the middle bag body, the pressing device is pressed to form a channel between the cavities, the nanocellulose is made to impregnate the membrane cloth, the effect of the nanocellulose is reserved to the maximum extent, gauze and non-woven fabric can be prevented from adhering to the skin, bacteria and other microorganisms are effectively prevented from entering the membrane cloth, and the membrane cloth can be soaked in the nanocellulose solution. The use by a patient is convenient.
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Description

Technical Field

[0001] The utility model belongs to the field of medical dressings, and in particular relates to a nano-cellulose dressing with cloth-liquid separation. Background Art

[0002] The integumentary system composed of the skin and its appendages is the largest organ of the human body and a protective barrier for the human body. It plays a very important role on the human body surface. As the first barrier of the human body, the skin can prevent the entry of microorganisms and protect the body from external stimuli. The human skin is susceptible to some external damage, which leads to the formation of wounds. Skin wounds are exposed to the outside and are susceptible to infection, making wound healing slow and prone to inflammation. Reducing wound infection, promoting wound healing, improving wound quality, absorbing exudate and maintaining a stable wound environment have become the main tasks of clinical work.

[0003] After the skin is damaged, covering the wound with a dressing can create a favorable cell growth environment and promote re-epithelialization of the wound. Existing dressings are divided into two types: traditional medical dressings and new medical wound dressings. Gauze is the most commonly used dressing at present because of its low price and ease of use. Gauze can absorb wound exudate to a certain extent, but its antibacterial properties are poor and it is easy to adhere to the wound, causing secondary damage to the wound. Nanocellulose has the characteristics of non-toxicity, high hydrophilicity, biocompatibility, and degradability, and can be modified to achieve antibacterial and drug-carrying functions, so it has become the preferred raw material for new wound dressings. Utility Model Content

[0004] The utility model provides a nanocellulose dressing with cloth-liquid separation, and the packaging form not only realizes the cloth-liquid partitioning, but also realizes the maximum retention of the efficacy of the nanocellulose, effectively extending the service life.

[0005] To achieve the above purpose, the technical solution of the utility model is as follows:

[0006] A cloth-liquid separation nanocellulose dressing comprises a bag body, which has a three-layer structure, including an outer layer of the bag body and an intermediate layer of the bag body, wherein the intermediate layer of the bag body divides the entire inner space of the bag body into two cavities, namely a first cavity and a second cavity;

[0007] The nanocellulose solution is placed in the first cavity, and the membrane cloth is placed in the second cavity, and the membrane cloth and the nanocellulose solution are partitioned by the middle layer of the bag body;

[0008] A presser is provided at the lower left of the bag body to connect the outer layer of the bag body and the middle layer of the bag body, and a channel is formed between the two cavities through the button to impregnate the membrane cloth with nanocellulose;

[0009] Furthermore, the bag body is provided with two tearing openings, namely a first tearing opening and a second tearing opening;

[0010] Furthermore, the first tearing opening and the second tearing opening are respectively arranged at the edge of the bag body and are symmetrical to each other;

[0011] Furthermore, the outer diameter of the second cavity is greater than or equal to that of the first cavity.

[0012] Furthermore, the presser includes a button, a sealing cover, a spring, a connecting rod, a bouncer, and a bottom plate;

[0013] The top surface of the sealing cover is fixedly connected to the middle layer of the bag body; the bottom plate is fixedly connected to the inner surface of the second cavity;

[0014] A bouncer is arranged on the upper surface of the bottom plate; a connecting rod passes through the sealing cover, one end of the connecting rod is connected to the bouncer, and the other end is connected to the button;

[0015] A spring is sleeved on the connecting rod, one end of the spring is connected to the sealing cover, and the other end is connected to the bouncer;

[0016] The sealing cover is in the shape of a ring, and the size of the button matches the inner diameter of the sealing cover ring;

[0017] The presser also includes an upper cover, the bottom of which is fixedly connected to the outer surface of the bag body, and the interior is a cavity, a connecting button is arranged inside the cavity, the connecting button passes through the outer surface of the bag body and is fixedly connected to the outer surface of the bag body, and the lower end of the connecting button is fixedly connected to the button;

[0018] The upper cover comprises a sliding cover and a cover body, and the sliding cover is connected to the upper surface of the cover body through a connecting part.

[0019] Furthermore, in another embodiment, the upper cover is fixedly connected to the support part, the support part is arranged in the first cavity, and the support part is fixedly connected to the sealing cover through the middle layer of the bag body to protect the button from being squeezed; the upper cover is arranged on the surface of the bag body, and a seal reinforcement can be performed to prevent liquid leakage; a plurality of holes are arranged on the support part to allow liquid to pass through. When in use, the upper cover is opened, and the button is pressed downward to make it bounce upward, and a gap is formed between the button and the sealing cover, and the liquid flows from the first cavity into the second cavity;

[0020] The upper cover comprises a sliding cover, and the sliding cover is connected to the supporting part through a buckle.

[0021] Beneficial Effects

[0022] The cloth-liquid separated nanocellulose dressing partitions the membrane cloth and the nanocellulose solution through a middle bag body, and the presser is pressed to form a channel between the cavities to allow the nanocellulose to impregnate the membrane cloth. This design retains the efficacy of nanocellulose to the maximum extent, is more conducive to the preservation of the nanocellulose solution, and prolongs the shelf life. At the same time, it can provide moisture for dry wounds and prevent gauze or non-woven fabrics from sticking to the skin, thereby avoiding secondary damage to the wound during replacement. It also effectively prevents the entry of bacteria and other microorganisms, making it easy for patients to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the utility model;

[0024] Figure 2 This is a schematic diagram of the structure of a presser according to an embodiment of the utility model;

[0025] Figure 3 This is a schematic diagram of the upper cover structure of an embodiment of the utility model;

[0026] Figure 4 This is a schematic diagram of the structure of a presser according to another embodiment of the utility model;

[0027] Figure 5 This is a schematic diagram of the upper cover structure of another embodiment of the utility model;

[0028] In the figure: 1-bag body; 2-first tear; 3-second tear; 4-first cavity; 5-second cavity; 6-presser; 61-button; 62-upper cover; 621-sliding cover; 622-cover body; 623-connecting part; 63-sealing cover; 64-spring; 65-connecting rod; 66-bouncer; 67-bottom plate; 68-connecting button; 69 supporting part; 7-middle layer of bag body;. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0030] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0031] The packaging form of the cloth-liquid separated nanocellulose dressing of the utility model not only realizes the cloth-liquid partitioning, but also realizes the maximum retention of the efficacy of the nanocellulose, thereby effectively extending the service life.

[0032] The cloth-liquid separation nanocellulose dressing of the utility model comprises a bag body 1, the edge of the bag body is sealed, and the bag body is a three-layer structure, including a bag body outer layer and a bag body middle layer. The three-layer structure divides the entire inner space of the bag body into two cavities, namely a first cavity 4 and a second cavity 5;

[0033] The nanocellulose solution is placed in the first cavity 4, and the membrane cloth is placed in the second cavity 5, and the membrane cloth and the nanocellulose solution are partitioned by the middle layer of the bag body;

[0034] A presser 6 is provided in the middle of the bag body to connect the outer layer of the bag body and the middle layer of the bag body. By pressing the presser, a channel is formed between the two cavities, so that the nanocellulose is impregnated into the membrane cloth.

[0035] The bag body 1 is provided with two tearing openings, namely a first tearing opening 2 and a second tearing opening 3;

[0036] The first tearing opening 2 and the second tearing opening 3 are respectively arranged at the edge of the bag body and are symmetrical to each other;

[0037] The second cavity 5 is larger than or equal to the first cavity 4 .

[0038] The presser 6 includes a button 61, a sealing cover 63, a spring 64, a connecting rod 65, a bouncer 66, and a bottom plate 67;

[0039] The top surface of the sealing cover 63 is fixedly connected to the middle layer 7 of the bag body; the bottom plate 67 is fixedly connected to the inner surface of the second cavity 5;

[0040] A spring 66 is provided on the upper surface of the bottom plate 67; a connecting rod 65 passes through the sealing cover 63, one end of the connecting rod 65 is connected to the spring 66, and the other end is connected to the button 61;

[0041] A spring 64 is sleeved on the connecting rod 65, one end of the spring 64 is connected to the sealing cover 63, and the other end is connected to the springer 66; the springer can adopt an existing automatic springing mechanism;

[0042] The sealing cover 63 is annular, and the size of the button 61 matches the inner diameter of the ring of the sealing cover 63; when not in use, the button 61 fits the inner diameter of the ring of the sealing cover 63, thereby forming a sealed state, thereby isolating the liquid from the membrane cloth;

[0043] The presser 6 also includes an upper cover 62, the bottom of which is fixedly connected to the outer surface of the bag body 1, and the interior is a cavity, and a connecting button 68 is arranged inside the cavity, and the connecting button 68 passes through the outer surface of the bag body 1 and is fixedly connected to the outer surface of the bag body 1, and can be sealed and reinforced to prevent liquid leakage; the lower end of the connecting button 68 is fixedly connected to the button 61;

[0044] The upper cover 62 includes a sliding cover 621 and a cover body 622 . The sliding cover 621 is connected to the upper surface of the cover body 622 via a connecting portion 623 .

[0045] When in use, the sliding cover 621 is rotated to one side through the connecting portion 623 to expose the connecting button 68. Since the connecting button 68 is fixedly connected to the button 1, pressing the connecting button 68 drives the button 1 to move downward. Through the action of the spring 64 and the bouncer 66, the button 1 is pushed upward, and a gap is formed between the button 1 and the sealing cover 63, and the liquid flows from the first cavity 4 into the second cavity 5.

[0046] In another embodiment, the upper cover 62 is fixedly connected to the support part 69, the support part 69 is arranged in the first cavity 4, and the support part 69 is fixedly connected to the sealing cover 63 through the bag body intermediate layer 7, which is used to protect the button 61 from being squeezed; the upper cover 62 is arranged on the outer surface of the bag body 1, and can be sealed and reinforced to prevent liquid leakage; the upper cover 62 includes a sliding cover 621, and the sliding cover 621 is connected to the support part 69 through a buckle. A plurality of holes are provided on the support part 69 to allow liquid to pass through. When in use, the upper cover 62 is opened, and the button 61 is squeezed downward to make it bounce upward, and a gap is formed between the button 1 and the sealing cover 63, and the liquid flows from the first cavity 4 into the second cavity 5.

[0047] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A nanocellulose dressing for cloth-liquid separation, characterized in that: The bag body (1) comprises a three-layer structure, including an outer layer of the bag body and an intermediate layer of the bag body, wherein the intermediate layer of the bag body divides the entire internal space of the bag body into two cavities, namely a first cavity (4) and a second cavity (5); A nanocellulose solution is placed in the first cavity (4), a membrane cloth is placed in the second cavity (5), and the membrane cloth and the nanocellulose solution are partitioned by the middle layer of the bag body; A presser (6) is arranged at the lower left of the bag body to connect the outer layer of the bag body and the middle layer of the bag body. The presser (6) forms a channel between the two cavities, so that the nanocellulose can be impregnated into the membrane cloth.

2. The nanocellulose dressing for cloth-liquid separation according to claim 1, characterized in that: The bag body (1) is provided with two tearing openings, namely a first tearing opening (2) and a second tearing opening (3).

3. The nanocellulose dressing for cloth-liquid separation according to claim 2, characterized in that: The first tearing opening (2) and the second tearing opening (3) are respectively arranged at the edge of the bag body and are symmetrical to each other.

4. The nanocellulose dressing for cloth-liquid separation according to claim 1, characterized in that: The outer diameter of the second cavity (5) is greater than or equal to the outer diameter of the first cavity (4).

5. The nanocellulose dressing for cloth-liquid separation according to any one of claims 1 to 4, characterized in that: The presser (6) comprises a button (61), a sealing cover (63), a spring (64), a connecting rod (65), a bouncer (66), and a bottom plate (67); The top surface of the sealing cover (63) is fixedly connected to the middle layer (7) of the bag body; the bottom plate (67) is fixedly connected to the inner surface of the second cavity (5); A spring (66) is arranged on the upper surface of the bottom plate (67); a connecting rod (65) passes through the sealing cover (63), one end of which is connected to the spring (66) and the other end of which is connected to the button (61); A spring (64) is sleeved on the connecting rod (65), one end of the spring (64) is connected to the sealing cover (63), and the other end is connected to the springer (66); The sealing cover (63) is in the shape of a ring, and the size of the button (61) matches the inner diameter of the ring of the sealing cover (63).

6. The nanocellulose dressing for cloth-liquid separation according to claim 5, characterized in that: The presser (6) further comprises an upper cover (62), the bottom of which is fixedly connected to the outer surface of the bag body (1), the interior of which is a cavity, a connecting button (68) being arranged inside the cavity, the connecting button (68) penetrating the outer surface of the bag body (1) and being fixedly connected to the outer surface of the bag body (1), and the lower end of the connecting button (68) being fixedly connected to the button (61).

7. The nanocellulose dressing for cloth-liquid separation according to claim 6, characterized in that: The upper cover (62) comprises a sliding cover (621) and a cover body (622), and the sliding cover (621) is connected to the upper surface of the cover body (622) via a connecting portion (623).

8. The cloth-liquid separation nanocellulose dressing according to claim 5, characterized in that: The upper cover (62) comprises a sliding cover (621) and a supporting portion (69). The upper cover (62) is fixedly connected to the supporting portion (69), the supporting portion (69) is arranged in the first cavity (4), and the supporting portion (69) is fixedly connected to the sealing cover (63) through the bag body middle layer (7) to protect the button (61) from being squeezed; the upper cover (62) is arranged on the outer surface of the bag body (1), and a plurality of holes are arranged on the supporting portion (69) to allow liquid to pass through.

9. The cloth-liquid separation nanocellulose dressing according to claim 8, characterized in that: The upper cover (62) comprises a sliding cover (621), and the sliding cover (621) is connected to the supporting portion (69) via a buckle.