Cooling Band-Aid

Abstract

This invention discloses a cooling bandage, comprising an outer fabric layer with an adhesive surface for skin adhesion; and a cooling pad integrated into or attached to the outer fabric layer. The cooling pad includes a sealed container holding a cooling medium capable of providing a cooling effect through a pre-freezing or immediately activated endothermic reaction. This invention provides the dual functions of wound protection and effective cooling therapy, ensuring the cooling pad is securely fixed to the injury and improving the efficiency of first aid treatment without the need for a separate cold compress.

Description

Technical Field

[0001] This utility model relates to a band-aid, specifically a cooling band-aid. Background Technology

[0002] Traditional bandages only cover the wound but do not provide cooling, which is often necessary for treating injuries such as bruises, sprains, or muscle strains. Furthermore, standalone cold compresses are inconvenient to use and difficult to secure to the wound.

[0003] Other devices in the existing technology field, such as traditional adhesive bandages, only provide wound protection and lack cooling functions; while standalone cold packs are inconvenient to use and cannot be securely fixed to the wound. For example, the "Kool Aid" product uses silicone to lower body temperature, but it cannot be used on open wounds and has limited cooling effect, limiting its overall effectiveness in comprehensive emergency care. Utility Model Content

[0004] This invention addresses the shortcomings of existing technologies by providing a bandage with dual functions of wound protection and effective cooling treatment.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a cooling bandage, comprising: an outer fabric with an adhesive surface for adhering to the skin; a cooling pad integrated into or attached to the outer fabric; wherein the cooling pad includes a sealed container for containing a cooling medium, the cooling medium being capable of providing a cooling effect through a pre-freezing or immediately activated endothermic reaction.

[0006] Furthermore, the cooling medium includes water that needs to be pre-frozen, saline solution, gel, or phase change material.

[0007] Furthermore, the cooling medium comprises separately packaged ammonium nitrate or urea, and water, which, when mixed, can activate an endothermic reaction.

[0008] Furthermore, the sealed container includes an inner cavity for containing water and an outer cavity for containing ammonium nitrate or urea, the inner cavity being placed within the outer cavity, and a ruptureable diaphragm between the inner cavity and the outer cavity, the diaphragm being broken upon mixing.

[0009] Furthermore, the cooling pad is covered by an inner protective layer to regulate the cooling effect and prevent direct contact of the skin or wounds with the low temperature.

[0010] Furthermore, the adhesive surface of the outer fabric is covered by a peelable protective layer.

[0011] Furthermore, the peelable protective layer is a non-stick protective film.

[0012] Furthermore, the cooling pad is located at the center of the outer fabric, and the cooling pad is reusable or disposable.

[0013] Furthermore, the cooling pad is removable and replaceable.

[0014] This invention improves upon existing technology by integrating a cooling pad into the center of a bandage, providing both wound protection and effective cooling treatment. It ensures the cooling pad is securely fixed to open wounds and enhances the efficiency of emergency treatment, eliminating the need for a separate cold compress. Attached Figure Description

[0015] Figure 1 This is a perspective view of the disassembled state of this utility model; Figure 2 This is a cross-sectional view of the assembled state of this utility model (the peelable protective layer is not shown).

[0016] In the diagram, 1 is the outer fabric, 2 is the cooling pad, 3 is the inner protective layer, and 4 is the peelable protective layer. Detailed Implementation

[0017] In this embodiment, a cooling bandage includes: an outer fabric layer 1, a cooling pad 2, an inner protective layer 3, and a peelable protective layer 4. The relationship between the components is as follows: Outer Fabric: This layer forms the outermost layer of the cooling bandage, providing durability and water resistance. The outer fabric contains the entire cooling bandage, securing all other components and providing the main structure. It supports and holds the cooling pad and adhesive surface.

[0018] Cooling pads: Attached to the center of an outer fabric using methods such as adhesive bonding, sewing, or heat pressing, these pads provide localized cooling therapy. The pads are slightly raised and contain an immediate cooling pack or a freezing liquid. An inner protective layer covers the cooling pad to protect the wound and regulate the cooling effect.

[0019] Inner protective layer: Directly covers the cooling pad, acting as an additional barrier between the cooling pad and the wound, protecting the wound from direct contact with the cooling pad, ensuring moderate cooling effect, and keeping the wound comfortable.

[0020] Peelable protective layer: This covers the adhesive surface of the outer fabric, protecting the adhesive until the cooled bandage is ready for use. Peel off this layer before use to expose the adhesive surface, allowing the cooled bandage to adhere firmly to the skin.

[0021] Each component works together to create a bandage that both protects the wound and provides cooling treatment, ensuring the effectiveness and comfort of the single product. Specific working principle: Outer fabric: Individual function: This layer provides the overall structure for the cooling bandage, making it durable, waterproof, and comfortable against the skin. It also supports the cooling pad and adhesive surface.

[0022] Synergistic function: When combined with other components, the outer fabric supports the cooling pad and adhesive surface, ensuring the cooling bandage is in place and effectively performs its protective and cooling functions.

[0023] Cooling pad: Single function: The cooling pad provides localized cooling therapy. It can be an instant cooling pack activated by bending, or a pre-frozen liquid pad to reduce swelling and relieve pain.

[0024] Synergistic function: After attaching the outer fabric layer, the cooling pad provides targeted cooling directly above the wound. The protective fabric layer on top ensures the wound doesn't get too cold, making the cooling pad both effective and safe.

[0025] Inner protective layer: Single function: This layer acts as a barrier between the cooling pad and the wound, protecting the wound from direct contact with the cooling pad and regulating the cooling effect.

[0026] Synergistic function: When combined with a cooling pad, the inner protective layer ensures gentle cooling and protects the wound, allowing the cooling pad to function without causing discomfort or additional injury.

[0027] Peelable protective layer: Single function: A peelable protective layer covers the adhesive surface of the cooling bandage, keeping it clean and sticky until ready to use.

[0028] Synergistic function: Peel off the protective layer before use to expose the adhesive surface, allowing the cooling bandage to adhere firmly to the skin and ensuring the cooling pad is in place, effectively performing its protective and cooling functions.

[0029] The components work together to achieve the intended function: When these components are combined, they create a cooling bandage that provides both wound protection and cooling therapy: Application: Users can peel off the peelable protective layer to expose the adhesive surface of the outer fabric.

[0030] Apply: Attach the cooling bandage to the skin, ensuring the adhesive portion is firmly in place.

[0031] Cooling activation: If using an instant cooling pack, the user activates the cooling pad by bending it to initiate the cooling effect. If using a freezer-freezing liquid pad, pre-freeze the bandage before application.

[0032] Wound protection and cooling: The cooling pad is positioned directly above the wound to provide cooling therapy, reducing swelling and relieving pain. The inner protective layer ensures a gentle cooling effect, protecting the wound from direct freezing.

[0033] These components work together to ensure that the cooling bandage not only covers and protects the wound, but also provides immediate and effective cooling treatment, improving the overall healing process and user comfort.

[0034] Materials needed to make cooling bandages: Outer fabric: breathable and waterproof fabric material.

[0035] Cooling pads: gels or liquids that can be frozen, or chemical ingredients in instant cooling packs.

[0036] Inner protective layer: soft white fabric.

[0037] Adhesive materials: Medical-grade adhesives, such as acrylate or silicone-based adhesives.

[0038] Peelable protective layer: Non-stick protective film, such as silicone paper or plastic film.

[0039] Beveling: to prevent fabric edges from fraying.

[0040] The chemical composition of instant cold compresses is: ammonium nitrate or urea, and water.

[0041] Tools needed to make a cooling bandage: Cutting tools: scissors or precision cutter.

[0042] Sealing machine: Used for sealing edges and layers.

[0043] Adhesive applicator: Used to apply adhesive layers.

[0044] Cooling pad assembly equipment: used to fill and seal the gel or chemical components of cooling pads.

[0045] Packaging tools: used to add a peelable protective layer.

[0046] Steps for making a cooling bandage: 1. Prepare the outer fabric: Cut the breathable, waterproof fabric into the desired shape (rectangle, circle, etc.), rounding the edges. Ensure the size is suitable for covering the cooling pad and provides a sufficiently large adhesive surface.

[0047] 2. Assemble the Cooling Pad: Instant Cooling Pack: Required Chemicals: Ammonium nitrate or urea, and water. Assembly: Place the ammonium nitrate or urea crystals in a durable and flexible plastic bag. Place a thin, fragile inner bag filled with water inside the outer bag containing the crystals. Seal the outer bag securely, ensuring it is slightly convex. Alternatively, a freeze-safe liquid pad: Fill the center with gel or liquid. Seal the cooling pad securely, ensuring it is slightly convex.

[0048] 3. Attach the cooling pad to the outer fabric: Place the cooling pad in the center of the outer fabric. Use a sealing machine to firmly attach the cooling pad to the outer fabric, ensuring it is slightly raised.

[0049] 4. Add an inner protective layer: Cut the white fabric to a size suitable for covering the cooling pad. Place the fabric layer directly on the cooling pad, ensuring complete coverage. Use a sealing machine to secure it to the outer fabric and cooling pad.

[0050] 5. Add a peelable protective layer: Cut one or two non-stick protective films to a size suitable for the adhesive surface covering the outer fabric. Attach the non-stick protective film to the adhesive surface using a lamination process, utilizing the adhesive force of the adhesive surface itself to achieve temporary bonding.

[0051] Required elements: Adhesive material: crucial for securing the cooling bandage to the skin, ensuring it is secure to provide protection and cooling treatment.

[0052] Cooling pad: The core function is to provide cooling therapy, which is the key to this utility model.

[0053] Optional elements: Outer fabric: Enhances the durability and comfort of the cooling bandage, provides water resistance and additional structure, but is not essential for basic functionality.

[0054] Inner protective layer: Protects the wound from direct contact with the cooling pad, regulates the cooling effect, and increases comfort.

[0055] Peelable protective layer: Keeps the adhesive surface clean and effective until the bandage is cooled and ready to use, ensuring optimal performance.

[0056] Beveled edges: Improve the comfort and durability of the cooling bandage by preventing edge abrasion, and add a touch of sophistication.

[0057] Addable elements: Antimicrobial coating: Adding an antimicrobial layer to the inner protective layer helps prevent infection and promotes faster healing.

[0058] Heat-sensitive color indicator: Add a heat-sensitive color indicator to show whether the cooling pad has reached the optimal temperature or needs to be replaced.

[0059] Reusable cooling pads: Designed to be refreezable, these cooling pads make cooling bandages more sustainable and economical.

[0060] Fixing Mechanism: In addition to adhesive materials, alternative methods such as adjustable straps, hook and loop fasteners (Velcro) or buckle systems can be used to fix the cooling pad to the body, providing a customizable fit and ensuring that the cooling pad remains fixed during exercise.

[0061] Modular cooling pads: The design features removable cooling pads that can be used alone or combined with different fixing mechanisms, increasing flexibility.

[0062] Interchangeable parts: The cooling pad is interchangeable with different types of fixation mechanisms, such as sleeves that are attached to the body via straps or elastic wraps.

[0063] Layer configuration: The inner protective layer and the outer fabric can be designed to accommodate different fastening methods, such as built-in loops or pockets for inserting straps or hook and loop buckles.

[0064] How to use a cooling bandage: 1. Preparation: Ensure the injured area is clean and dry. If there is dirt or debris, gently clean the wound with soap and water or antibacterial wipes. Dry the area thoroughly and ensure the cool bandage adheres well.

[0065] 2. Activate the cooling pad: Instant Cooling Pack: If using an instant cooling pack, bend or squeeze the cooling bandage as instructed to break the inner pouch and activate the cooling reaction (endothermic reaction). Gently shake the cooling bandage to ensure the cooling chemicals are fully mixed.

[0066] Alternatively, use a freeze-safe liquid pad: If using a freeze-safe liquid pad, ensure the cooling bandage has been pre-frozen for the recommended time (usually several hours). Remove from the freezer before use.

[0067] 3. Remove the peelable protective layer: Carefully remove the peelable protective layer to expose the adhesive surface of the outer fabric. Avoid touching the adhesive surface to maintain its stickiness.

[0068] 4. Application: Place the cooling bandage over the wound or injured area, ensuring the cooling pad is directly aligned with the wound. Gently but firmly press the adhesive surface of the outer fabric to ensure it adheres firmly to the skin around the wound. Smooth out any creases or air bubbles to ensure full contact with the skin and optimize adhesion.

[0069] The present invention has been described in detail above. The above description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made in accordance with the scope of this application should still fall within the scope of the present invention.

Claims

1. A cooling bandage, characterized in that include: The outer fabric has an adhesive surface to adhere to the skin; A cooling pad, integrated into or attached to the outer fabric; The cooling pad includes a sealed container holding a cooling medium that can provide a cooling effect through a pre-freezing or instantaneously activated endothermic reaction.

2. The cooling bandage of claim 1, wherein: The cooling medium includes water that needs to be pre-frozen, saline solution, gel, or phase change material.

3. The cooling bandage of claim 1, wherein: The cooling medium comprises separately packaged ammonium nitrate or urea, and water, which, when mixed, can activate an endothermic reaction.

4. The cooling bandage of claim 3, wherein: The sealed container includes an inner cavity for containing water and an outer cavity for containing ammonium nitrate or urea, the inner cavity being placed within the outer cavity, and a ruptureable diaphragm between the inner cavity and the outer cavity, the diaphragm being broken upon mixing.

5. The cooling bandage of claim 1, wherein: The cooling pad is covered by an inner protective layer to regulate the cooling effect and prevent direct contact of the skin or wounds with the low temperature.

6. The cooling bandage of claim 1, wherein: The adhesive surface of the outer fabric is covered by a peelable protective layer.

7. The cooling bandage according to claim 6, characterized in that: The peelable protective layer is a non-stick protective film.

8. The cooling bandage according to claim 1, characterized in that: The cooling pad is located at the center of the outer fabric and is reusable or disposable.

9. The cooling bandage according to claim 1, characterized in that: The cooling pad is removable and replaceable.

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