Medical knee joint support pad

By designing a knee support pad with protrusions and hollows, combined with flexible materials and connectors, the problem of poor support and cooling effects in existing technologies has been solved, achieving a wider range of knee joint contact and recovery effects.

CN224671745UActive Publication Date: 2026-08-25BEIJING HOSPITAL
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Patent Information

Application Number
CN202521981427.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-15
Publication Date
2026-08-25
Estimated Expiration
2035-09-15

AI Technical Summary

Technical Problem

Existing knee support pads and cold compresses cannot effectively contact the concave and convex structures of the knee joint, resulting in poor support and cold compress effects, which affect the recovery after knee joint injury.

Method used

Design a medical knee joint support pad, including a lower pad and an upper pad. The lower pad has a protruding part on the lower side of the knee joint and a raised part in the popliteal fossa. The upper pad has a hollowed-out part at the patella. A cold compress bag is placed on the contact surface and forms a full-round enclosure of the knee joint through the connector. The arc-shaped design and flexible materials are used to increase the contact area.

Benefits of technology

It achieves a wider range of support and cold compress effects after knee joint injury, improves the recovery and anti-inflammatory effects of the knee joint, and is especially suitable for the initial treatment of acute knee joint injury.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of medical knee joint support pad, comprising: lower pad, lower pad is placed in the downside of knee joint lying position, and the protruding block part of pad in popliteal fossa is equipped on lower pad;Upper pad, upper pad is placed in the upside of knee joint lying position, and the hollow part of open in patella is equipped on upper pad;Cold compress bag, cold compress bag is set on the surface of lower pad and upper pad and knee joint contact;Connecting piece, connecting piece is used to connect lower pad and upper pad in the outside of knee joint.The utility model can surround and support knee joint comprehensively, provide rehabilitation and daily protection effect after knee joint injury.And through the protruding block part on lower pad pad in popliteal fossa, and the hollow part on upper pad makes patella open, so that upper pad, lower pad and its cold compress bag can more comprehensive contact knee joint upside / fore side, so that support pad and cold / heat compress bag more widely contact knee joint surface, relieve bilateral ligament tension, and the cold / heat compress treatment effect of acute knee joint injury initial stage is better.
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Description

Technical Field

[0001] This utility model relates to the field of knee joint rehabilitation technology, and in particular to a medical knee joint support pad. Background Technology

[0002] The knee joint is the largest and most complex joint in the human body. Its main structures include the femur, tibia, patella, cartilage, anterior cruciate ligament, posterior cruciate ligament, medial collateral ligament, and lateral collateral ligament.

[0003] The recovery process after a knee injury is slow. When the injured knee is resting in a lying position, the tension of the ligaments on both sides of the knee joint is limited and cannot be fully opened due to the injury. This can easily cause discomfort to the patient and is not conducive to recovery.

[0004] In existing technologies, knee joint support pads are typically used, supporting the inner side of the knee joint and wrapping around the outer side. Cold compresses are also often placed on the pads to relieve inflammation and bruising. Relevant patented technologies include Chinese patent CN215080739U, authorized on December 10, 2021; Chinese patent CN219814484U, authorized on October 13, 2023; and Chinese patent CN219461623U, authorized on August 4, 2023.

[0005] However, due to the presence of the popliteal fossa and patella, the inner and outer sides of the knee joint have a relatively obvious concave and convex structure. The existing technologies mentioned above are all flat wrapping methods, which will result in a smaller contact area between the support pad and the cold compress bag and the knee joint, resulting in poor support and cold compress effects. Utility Model Content

[0006] The purpose of this invention is to provide a medical knee joint support pad that allows the support pad and the cold compress to have a wider contact with the knee joint surface, thereby improving the recovery and anti-inflammatory effects. This utility model provides a medical knee joint support pad, comprising: a lower pad, which is placed under the knee joint in a lying position, and the lower pad has a protrusion portion that rests on the popliteal fossa; an upper pad, which is placed above the knee joint in a lying position, and the upper pad has a hollow portion that opens at the patella; a cold compress bag, which is disposed on the surfaces of the lower pad and the upper pad that contact the knee joint; and a connector, which is used to connect the lower pad and the upper pad on the outside of the knee joint.

[0007] Furthermore, the protrusion portion is an arc-shaped protrusion.

[0008] Furthermore, the two sides of the protrusion are arc-shaped recesses.

[0009] Furthermore, the lower pad is block-shaped and made of a soft, elastic material.

[0010] Furthermore, the upper pad is planar and made of a flexible material.

[0011] Furthermore, the perforated portion is formed in the middle of the upper pad, and the cold compress bag is arranged around the perforated portion.

[0012] Furthermore, the connector includes Velcro, and the lower pad and the upper pad are bonded together on the outside of the knee joint via Velcro.

[0013] Furthermore, the connector also includes an elastic bandage connected to both sides of the upper pad, and the Velcro fastener is connected to the elastic bandage and the lower pad.

[0014] Furthermore, the lower pad and the upper pad have pockets on the surfaces that contact the knee joint, and the cold compress bag is placed inside the pockets.

[0015] Furthermore, it also includes a hot compress bag, which is placed in a pocket as an alternative to the cold compress bag.

[0016] This invention employs a lower pad placed below the knee joint and an upper pad placed above it, thus comprehensively surrounding and supporting the knee joint, providing effective rehabilitation and daily protection after knee injury. Furthermore, the raised portion of the lower pad rests in the popliteal fossa, allowing the lower pad and the cold compress bag on it to more fully contact the lower / posterior side of the knee joint, while the perforated portion of the upper pad opens the patella, allowing the upper pad and the cold compress bag to more fully contact the upper / anterior side of the knee joint. This comprehensive contact between the support pad and the cold compress bag with the knee joint surface enhances the effectiveness of cold compress treatment in the early stages of acute knee injuries. Attached Figure Description

[0017] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a side view of the lower pad of this utility model; Figure 2 A schematic diagram showing that the lower pad of this utility model has a pocket; Figure 3 This is a front view of the upper pad of this utility model; Figure 4 This is a schematic diagram showing that the upper pad of this utility model has a pocket. Figure 5This is a cross-sectional schematic diagram of the upper pad, knee joint, and lower pad when the present invention is in use; Figure 6 This is a schematic diagram of the popliteal fossa and patella of the knee joint in the background art; Explanation of reference numerals in the attached figures: 1-Lower pad; 11-Protrusion; 12-Depression; 2-Upper pad; 21-Openwork section; 3-Cold compress bag; 31-Pocket 4-Connector; 41-Elastic bandage; 42-Hook and loop fastener; 5- Knee joint; 51- Popliteal fossa; 52- Patella; 53- Ligament. Detailed Implementation

[0019] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0020] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0021] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified. Furthermore, the terms "installed," "connected," and "linked" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] Example 1 like Figures 1-6 As shown, this utility model provides a medical knee joint support pad, including: a lower pad 1, which is placed on the lower side of the knee joint 5 in a lying position, and the lower pad 1 is provided with a protrusion 11 that is placed on the popliteal fossa 51; an upper pad 2, which is placed on the upper side of the knee joint 5 in a lying position, and the upper pad 2 is provided with a hollowed-out part 21 that is open at the patella 52; a cold compress bag 3, which is placed on the surface of the lower pad 1 and the upper pad 2 that are in contact with the knee joint 5; and a connector 4, which is used to connect the lower pad 1 and the upper pad 2 on the outside of the knee joint 5.

[0023] Specifically, this utility model is used when the patient is in a supine / flat position. Therefore, in the description, the upper side corresponds to the front side of the knee joint 5 when standing, and the lower side corresponds to the back side of the knee joint 5 when standing.

[0024] The lower pad 1 has a raised section 11 in the middle, which can be inserted into the popliteal fossa 51, greatly improving the support and adaptability of the lower side of the knee joint 5, reducing the tension of the bilateral ligaments 53 of the knee joint 5, and facilitating the recovery of the ligaments 53. In addition, the cold compress bag 3 on the lower pad 1 can also be adapted to change its shape and fit the lower surface of the knee joint 5 over a wider range, thereby improving the cold compress effect.

[0025] The upper pad 2 surrounds the upper side of the knee joint 5, and the patella 52 protruding from the upper side of the knee joint 5 is released from the hollow part 21, so that other parts of the upper pad 2 can fit more closely and over a larger area to the surface of the knee joint 5, thereby improving the cooling effect of the cold compress bag 3 on the upper pad 2.

[0026] The cold compress bag 3 is a gel-type medical cold compress bag. Its specific components are hydrophilic polymer gel + water / borneol / menthol, etc. It is softer than ice packs and is less likely to cause frostbite to the cold compress area.

[0027] The connector 4 can be made of Velcro 42, straps, telescopic buckles, etc., to connect the upper pad 2 and the lower pad 1 from the outside, so that the upper pad 2 and the lower pad 1 form a whole and surround the knee joint 5.

[0028] Example 2 The protrusion 11 is an arc-shaped protrusion. The two sides of the protrusion 11 are arc-shaped recesses 12. The lower pad 1 is block-shaped and made of soft and elastic material.

[0029] Specifically, the central arc-shaped protrusion 11 of the lower pad 1 is inserted into the popliteal fossa 51 for support, and the arc-shaped recesses 12 on both sides of the protrusion 11 are used to insert the ligaments 53 on both sides of the knee joint 5 for close fit and support. The lower pad 1 has a certain height to elevate the knee joint 5, thereby relieving the tension on both sides of the ligaments 53. The lower pad 1 can be made of soft and elastic materials such as silicone or high-density sponge, which can be slightly modified in shape to better fit the knee joint 5.

[0030] Example 3 The upper pad 2 is flat and made of flexible material. The perforated part 21 is opened in the middle of the upper pad 2, and the cold compress bag 3 is arranged around the perforated part 21.

[0031] Specifically, the upper pad 2 can be made of flexible materials such as non-woven fabric, which can be bent at will to better fit the knee joint 5. The hollow part 21 is opened in the center of the upper pad 2, and the cold compress bag 3 is placed around the hollow part 21.

[0032] Example 4 The connector 4 includes Velcro 42, which is used to bond the lower pad 1 and the upper pad 2 to the outside of the knee joint 5. The connector 4 also includes an elastic bandage 41, which is attached to both sides of the upper pad 2, and the Velcro 42 is attached to the elastic bandage 41 and the lower pad 1.

[0033] Specifically, the elastic bandage 41 and the upper pad 2 are sewn or made as a single piece. The male and female fasteners of the Velcro 42 are located on the two sides of the elastic bandage 41 and the lower pad 1, respectively. By adjusting the bonding position of the Velcro 42, the elasticity of the elastic bandage 41 can be adjusted to change the wrapping force of the upper pad 2 and the lower pad 1 on the knee joint 5.

[0034] Example 5 The lower pad 1 and the upper pad 2 have pockets 31 on the surfaces that contact the knee joint 5, and a cold compress bag 3 is placed inside the pockets 31. A hot compress bag is also included, and the hot compress bag and the cold compress bag 3 are alternately placed inside the pockets 31.

[0035] Specifically, in this embodiment, hot and cold compresses are applied alternately. During the initial 24 hours of an acute knee joint injury, a cold compress is applied for 10-15 minutes to help improve inflammation and bruising. After 24 hours, a hot compress is applied to promote the absorption of inflammatory substances, improve blood circulation, and facilitate recovery. A pocket 31 structure is used, with Velcro 42 for sealing. After opening the pocket 31, a cold compress bag 3 is placed inside and sealed for cold compress application. After the cold compress is applied, the pocket 31 is opened again to remove the cold compress bag 3, which is then replaced with a hot compress bag and sealed for hot compress application. This facilitates the replacement of the hot and cold compress bags.

[0036] How this utility model is used: Place the cold compress bag 3 / hot compress bag into the pocket 31 of the upper pad 2 and the lower pad 1. First, place the lower pad 1 on the bed, then place the patient's knee joint 5 on the lower pad 1, and adjust the lower pad 1 so that the protruding part 11 is inserted into the depression 12 at the popliteal fossa 51. Then take out the upper pad 2 and wrap it around the upper side of the knee joint 5, and adjust it so that the protruding patella 52 is released from the hollow part 21. Then pull the elastic bandages 41 on both sides of the upper pad 2 so that the Velcro 42 on it is attached to the Velcro 42 on both sides of the lower pad 1. After the cold / hot compress is finished, remove the upper pad 2 and the lower pad 1, take out the cold compress bag 3 / hot compress bag, replace it with the hot compress bag / cold compress bag 3, and repeat the above process so that the upper pad 2 and the lower pad 1 surround and support the knee joint 5.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A medical knee joint support pad, characterized in that, include: The lower pad is placed under the knee joint in a lying position, and the lower pad has a protrusion that rests on the popliteal fossa. The upper pad is placed on the upper side of the knee joint in a lying position, and the upper pad has a hollowed-out part that opens at the patella; A cold compress bag, wherein the cold compress bag is disposed on the surfaces of the lower pad and the upper pad that contact the knee joint; A connector for connecting the lower pad and the upper pad on the outside of the knee joint.

2. The medical knee joint support pad according to claim 1, characterized in that, The protrusion is an arc-shaped protrusion.

3. The medical knee joint support pad according to claim 2, characterized in that, The two sides of the protrusion are arc-shaped depressions.

4. The medical knee joint support pad according to claim 1, characterized in that, The lower pad is block-shaped and made of soft, elastic material.

5. The medical knee joint support pad according to claim 1, characterized in that, The upper pad is planar and made of a flexible material.

6. The medical knee joint support pad according to claim 1, characterized in that, The perforated portion is located in the center of the upper pad, and the cold compress bag is arranged around the perforated portion.

7. The medical knee joint support pad according to claim 1, characterized in that, The connector includes Velcro, and the lower pad and the upper pad are bonded together on the outside of the knee joint via Velcro.

8. The medical knee joint support pad according to claim 7, characterized in that, The connector also includes an elastic bandage connected to both sides of the upper pad, and the Velcro fastener is connected to the elastic bandage and the lower pad.

9. The medical knee joint support pad according to claim 1, characterized in that, The lower pad and the upper pad have pockets on the surfaces that contact the knee joint, and the cold compress bag is placed inside the pockets.

10. The medical knee joint support pad according to claim 9, characterized in that, It also includes a hot compress bag, which is placed in a pocket as an alternative to the cold compress bag.

Citation Information

Patent Citations

  • Medical ice compress device for knee joint replacement

    CN215080739U

  • Intelligent knee joint nursing instrument

    CN219461623U

  • Camel bag type knee joint cold compress device

    CN219814484U