Protective device for preventing foot drop in calcaneus traction

Abstract

The utility model belongs to the technical field of medical auxiliary instruments, and particularly provides a calcaneus traction foot drop prevention protection device which comprises a bottom plate, a rear back plate, a soft cushion and a fixing belt. The bottom plate is arranged at the sole; the back plate is arranged on the back of the lower shank section; the soft cushion comprises a first section, a second section and a third section which are arranged in sequence; the first section is connected with the bottom plate, the second section is used for wrapping the heel, and the third section is connected with the back plate; one end of the fixing belt is connected with the bottom plate, and the other end of the fixing belt is connected with the back plate. According to the application, the instep is not blocked, so that the blood supply of toes and the pulse condition of touching the arteries of the instep can be clearly and accurately observed; by arranging the soft cushion, the wearing comfort of the protection device can be improved, and the heel can be prevented from being suspended due to the fact that the second section of the soft cushion covers the heel; the bottom plate and the back plate are connected through the fixing belt, adjustment can be conducted according to the connecting position of the fixing belt and the assembling angle of the bottom plate and the back plate, so that functional position placement of the ankle joint is guaranteed, and foot drop can be effectively prevented.

Description

Technical Field

[0001] The present application belongs to the technical field of medical auxiliary equipment, and more specifically, relates to a calcaneal traction and anti-foot drop protection device. Background Art

[0002] The anti-foot drop sleeves currently used clinically are suitable for patients with long-term bedridden paralysis and intact feet. There is no anti-foot drop device suitable for the lower limbs of patients undergoing calcaneal traction.

[0003] Traction treatment typically lasts 7-30 days and is painful and uncomfortable. If the ankle joint is left inactive for extended periods, with the heel suspended in the air, muscle weakness can occur, leading to an inability to plantar flex (the foot cannot be pushed down) or dorsiflex (the foot cannot be curled), resulting in foot drop. Ultimately, the patient cannot walk normally, impacting their daily life. After calcaneal traction surgery, because the heel is fixed with Kirschner wires, some protective sleeves only provide warmth or fixation and do not prevent foot drop. Utility Model Content

[0004] The purpose of the embodiments of the present application is to provide a calcaneal traction and anti-foot drop protection device to solve the technical problem of foot drop in patients existing in the prior art.

[0005] To achieve the above-mentioned purpose, the technical solution adopted in this application is: to provide a calcaneal traction and anti-foot drop protection device, including a base plate, a back plate, a soft pad and a fixing strap; the base plate is arranged on the sole of the foot; the back plate is arranged on the back of the lower part of the calf; the soft pad includes a first section, a second section and a third section arranged in sequence; the first section is connected to the base plate, the second section is used to cover the heel, and the third section is connected to the back plate; one end of the fixing strap is connected to the base plate, and the other end of the fixing strap is connected to the back plate.

[0006] Optionally, the protective device further comprises an upper back plate, which is located at the front of the instep and the lower part of the calf; the upper back plate is respectively connected to the bottom plate and the rear back plate.

[0007] Optionally, an observation hole is provided on the upper back plate, and the observation hole is located at one end of the upper back plate covering the instep.

[0008] Optionally, a first hanging ear is provided on the bottom plate, a second hanging ear is provided on the back plate, one end of the fixing belt is connected to the first hanging ear, and the other end of the fixing belt is connected to the second hanging ear.

[0009] Optionally, a Velcro tab and a Velcro female tab are sequentially provided near the end of the fixing strap; one end of the fixing strap passes through the first hanging ear or the second hanging ear, and the Velcro tab and the Velcro female tab are connected.

[0010] Optionally, the soft pad includes a soft layer and a skin-friendly layer; the skin-friendly layer is wrapped around the outside of the soft layer.

[0011] Optionally, the first section of the soft cushion is provided with a first flexible cushion, the first flexible cushion is located on a side of the soft cushion facing away from the base plate, and the first flexible cushion is used to support the arch of the foot.

[0012] Optionally, the second section of the soft pad is provided with a second flexible pad, and the second flexible pad is used to support the ankle joint.

[0013] Optionally, a first adhesive layer is provided on the first section of the soft cushion and / or the bottom plate, and the soft cushion and the bottom plate are adhesively connected via the first adhesive layer.

[0014] Optionally, a second adhesive layer is provided on the third section of the soft pad and / or the back panel, and the soft pad and the back panel are adhesively connected via the second adhesive layer.

[0015] The beneficial effects of the calcaneal traction and foot drop prevention protective device provided by the present application are: compared with the existing technology, in the present application, the instep is not blocked, and the blood circulation of the toes and the pulsation of the dorsalis pedis artery can be clearly and accurately observed; by providing a soft pad, the comfort of wearing the protective device can be improved, and the second section of the soft pad is covered on the heel, which can prevent the heel from hanging in the air; the bottom plate and the back plate are connected by a fixing belt, and the assembly angle of the bottom plate and the back plate can be adjusted according to the connection position of the fixing belt to ensure the functional position of the ankle joint, which can effectively prevent foot drop. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0017] Figure 1 A schematic structural diagram of a calcaneal traction and foot drop prevention device provided in an embodiment of the present application;

[0018] Figure 2 A schematic diagram of the assembly of the bottom plate, back plate and cushion of the calcaneal traction and anti-foot drop protection device provided in an embodiment of the present application;

[0019] Figure 3 A schematic diagram of the structure of the bottom plate of the calcaneal traction and foot drop prevention protection device provided in an embodiment of the present application;

[0020] Figure 4A schematic structural diagram of a back plate in a calcaneal traction and foot drop prevention device provided in an embodiment of the present application;

[0021] Figure 5 A schematic diagram of the front structure of a soft pad in the calcaneal traction and anti-foot drop protection device provided in an embodiment of the present application;

[0022] Figure 6 A schematic diagram of the reverse structure of a soft pad in the calcaneal traction and anti-foot drop protection device provided in an embodiment of the present application;

[0023] Figure 7 A schematic diagram of the structure of a fixing belt in a calcaneal traction and foot drop prevention protection device provided in an embodiment of the present application;

[0024] Figure 8 This is a schematic structural diagram of the upper back plate in the calcaneal traction and anti-foot drop protection device provided in an embodiment of the present application.

[0025] Among them, the reference numerals in the figures are:

[0026] 10-sole; 20-lower calf; 30-heel; 40-instep;

[0027] 100-base plate; 101-first mounting ear;

[0028] 200-back panel; 201-second mounting bracket;

[0029] 300-cushion; 301-first section; 302-second section; 303-third section;

[0030] 400-fixing belt; 401-magic tape; 402-magic tape;

[0031] 500-upper back plate; 501-observation hole;

[0032] 600-first flexible pad;

[0033] 700-second flexible pad;

[0034] 800-first adhesive layer;

[0035] 900-Second adhesive layer. DETAILED DESCRIPTION

[0036] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application more clearly understood, this application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0037] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0038] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0039] 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 the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. Throughout the description of this application, "plurality" means two or more, unless otherwise specifically defined.

[0040] Please also refer to Figure 1 and Figure 5 The calcaneal traction and foot drop prevention device provided in an embodiment of the present application is now described. The calcaneal traction and foot drop prevention device comprises a base plate 100, a back plate 200, a cushion 300, and a fixing strap 400. The base plate 100 is disposed on the sole 10 of the foot; the back plate 200 is disposed on the back of the lower leg 20; the cushion 300 comprises a first section 301, a second section 302, and a third section 303, which are sequentially arranged. The first section 301 is connected to the base plate 100, the second section 302 is used to cover the heel 30, and the third section 303 is connected to the back plate 200. One end of the fixing strap 400 is connected to the base plate 100, and the other end of the fixing strap 400 is connected to the back plate 200.

[0041] Compared with the prior art, the calcaneal traction and foot drop prevention protective device provided in the embodiment of the present application has an unobstructed instep 40, which allows clear and accurate observation of the blood circulation of the toes and palpation of the dorsalis pedis artery; by providing a soft pad 300, the wearing comfort of the protective device can be improved, and the second section 302 of the soft pad 300 is wrapped around the heel 30, which can prevent the heel 30 from being suspended in the air; the bottom plate 100 and the back plate 200 are connected by a fixing belt 400, and the assembly angle of the bottom plate 100 and the back plate 200 can be adjusted according to the connection position of the fixing belt 400 to ensure that the ankle joint is placed in the functional position, which can effectively prevent foot drop.

[0042] In this embodiment, the fixing belt 400 can be made of elastic rubber band, so that the replacement joint can move within a certain angle range, thereby ensuring the functional position of the ankle joint.

[0043] In one embodiment of this application, please refer to Figure 1 and Figure 8 The protective device also includes an upper back plate 500, which is located on the instep 40 and the front of the lower leg 20; the upper back plate 500 is connected to the bottom plate 100 and the back plate 200 respectively.

[0044] In this embodiment, the upper back plate 500 is provided to further improve the stability of the bottom plate 100 and the back plate 200. Specifically, two elastic straps can be used, one of which is used to connect the upper back plate 500 and the bottom plate 100, and the other is used to connect the upper back plate 500 and the back plate 200.

[0045] In one embodiment of the present application, see Figure 8 An observation hole 501 is provided on the upper back plate 500 , and the observation hole 501 is located at one end of the upper back plate 500 covering the instep 40 .

[0046] In this embodiment, by setting up the observation hole 501, it is helpful to observe the pinholes on the dorsum of the foot, sense the pulsation of the dorsalis pedis artery and the temperature of the dorsum of the foot; the upper back plate 500 does not cover the toes, which is helpful to observe the blood circulation of the toes and prevent necrosis of the toe tips due to poor blood circulation.

[0047] In one embodiment of this application, please refer to Figure 3 and Figure 4 A first hanging ear 101 is provided on the bottom plate 100 , a second hanging ear 201 is provided on the back plate 200 , one end of the fixing belt 400 is connected to the first hanging ear 101 , and the other end of the fixing belt 400 is connected to the second hanging ear 201 .

[0048] In this embodiment, by providing the first hanging ear 101 and the second hanging ear 201 , it is possible to facilitate the connection of the fixing belt 400 to the bottom plate 100 and the back plate 200 respectively.

[0049] It can be understood that there are two first hanging ears 101, and the two first hanging ears 101 are respectively located on both sides of the bottom plate 100; there are two second hanging ears 201, and the two second hanging ears 201 are respectively located on both sides of the back plate 200; correspondingly, there are also two fixing belts 400, and one fixing belt 400 is correspondingly connected to one first hanging ear 101 and one second hanging ear 201.

[0050] In this embodiment, the bottom plate 100 and the back plate 200 are both made of plastic hard plate material, which can provide effective support and reduce deformation.

[0051] In one embodiment of the present application, see Figure 7 , a Velcro 401 and a Velcro mother patch 402 are provided in sequence near the end of the fixing belt 400; one end of the fixing belt 400 passes through the first hanging ear 101 or the second hanging ear 201, and the Velcro 401 and the Velcro mother patch 402 are connected.

[0052] In this embodiment, by providing the Velcro sub-tape 401 and the Velcro mother-tape 402, on the one hand, the fixing strap 400 can be conveniently connected to the first hanging ear 101 or the second hanging ear 201 to achieve detachable connection; on the other hand, the connection position fixed on the first hanging ear 101 or the second hanging ear 201 can also be adjusted, thereby realizing the adjustment of the installation angle of the base plate 100 and the back plate 200, thereby ensuring the functional position of the ankle joint and effectively preventing foot drop.

[0053] In one embodiment of the present application, the cushion 300 includes a soft layer and a skin-friendly layer; the skin-friendly layer is wrapped around the outside of the soft layer.

[0054] In this embodiment, by providing a skin-friendly layer, the sensitivity of the skin can be reduced and damage to the skin can be reduced; by providing a soft layer, the wearing comfort can be improved.

[0055] Specifically, the skin-friendly layer can be made of crystal velvet or ice silk. In the cold winter, the skin-friendly layer can be made of crystal velvet material, which can keep warm; in the hot summer, the skin-friendly layer can be made of ice silk material, which can avoid stuffiness and discomfort, play a role in relieving heat and cooling down, and improve the comfort of wearing.

[0056] In one embodiment of the present application, the skin-friendly layer and the soft layer can be detachable to facilitate cleaning and replacement of the skin-friendly layer. For example, the skin-friendly layer can be a sleeve-like structure with an opening, and a zipper is provided at the opening of the skin-friendly layer. By unzipping the zipper, the soft layer can be inserted into or removed from the skin-friendly layer.

[0057] In one embodiment of this application, please refer to Figure 2 and Figure 5 The first section 301 of the soft pad 300 is provided with a first flexible pad 600. The first flexible pad 600 is located on the side of the soft pad 300 away from the base plate 100. The first flexible pad 600 is used to support the arch of the foot.

[0058] In this embodiment, the first flexible pad 600 can fill the arch of the foot, avoid being too loose, and improve wearing comfort. Specifically, the first flexible pad 600 can be shaped like a crescent to match the shape of the arch of the foot; the material of the first flexible pad 600 can be sponge.

[0059] In one embodiment of this application, please refer to Figure 2 and Figure 5The second section 302 of the soft pad 300 is provided with a second flexible pad 700, and the second flexible pad 700 is used to support the ankle joint.

[0060] Specifically, the second flexible pad 700 fills the vacant space at the heel tendon, supporting and protecting the ankle joint, preventing the occurrence of pressure sores on the heel 30, reducing damage to the ankle joint caused by the weight of the foot, alleviating pain, improving patient comfort, and preventing foot drop. The second flexible pad 700 can be made of a gel material.

[0061] In one embodiment of this application, please refer to Figure 3 and Figure 6 A first adhesive layer 800 is provided on the first section 301 of the cushion 300 and / or the base plate 100 , and the cushion 300 and the base plate 100 are adhesively connected via the first adhesive layer 800 .

[0062] In this embodiment, the first adhesive layer 800 is provided to facilitate the connection and fixation of the cushion 300 and the base plate 100. In another embodiment of the present application, the first adhesive layer 800 can be replaced with Velcro, which can achieve a detachable connection between the cushion 300 and the base plate 100, thereby facilitating the removal and replacement of the cushion 300.

[0063] In one embodiment of this application, please refer to Figure 4 and Figure 6 A second adhesive layer 900 is provided on the third section 303 of the cushion 300 and / or the back plate 200 , and the cushion 300 and the back plate 200 are adhesively connected via the second adhesive layer 900 .

[0064] In this embodiment, the second adhesive layer 900 facilitates the connection and fixation between the cushion 300 and the back plate 200. In another embodiment of the present application, the second adhesive layer 900 can be replaced with a Velcro strip, which can be used to achieve a detachable connection between the cushion 300 and the back plate 200, facilitating the removal and replacement of the cushion 300.

[0065] In a further embodiment of the present application, the protective device further includes one or more sensors (not shown) for monitoring the user's physiological parameters, such as foot temperature, humidity, pressure distribution, etc. These sensors can be connected to external devices (such as smartphones or medical monitoring devices) to monitor the user's foot condition in real time and issue an alarm when necessary to prevent foot complications.

[0066] In one embodiment of the present application, to enhance patient convenience and safety during use, the protective device also incorporates an anti-slip structure (not shown). Specifically, an anti-slip texture or anti-slip pad can be provided on the underside of the base plate 100 to ensure the device remains stable in slippery environments and prevent accidental injuries from sliding. Furthermore, anti-slip strips or anti-slip fabric can be added to the inner side of the back plate 200 to enhance contact with the skin of the calf and reduce movement.

[0067] Another detail to consider is improving breathability. Because patients need to maintain a fixed posture for extended periods while wearing protective devices, breathability is particularly important. To this end, the materials used for the base plate 100, back plate 200, and upper back plate 500 can be optimized, using materials with excellent breathability, such as microporous plastic. Furthermore, tiny ventilation holes can be designed between the soft layer and the skin-friendly layer of the cushion 300 to ensure air circulation and reduce stuffiness.

[0068] In terms of detailing, some humanized design elements can also be considered. For example, soft edging can be added to the edges of the base plate 100 and the back plate 200 to reduce friction and pressure on the patient's skin; and cushioning pads can be provided at the connection of the fixing strap 400 to disperse pressure and improve wearing comfort.

[0069] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

1. A calcaneal traction and foot drop protection device, characterized in that: include: a bottom plate, the bottom plate being arranged on the bottom of the foot; A back plate, which is arranged on the back of the lower leg; A soft cushion, comprising a first section, a second section, and a third section arranged in sequence; The first section is connected to the bottom plate, the second section is used to cover the heel, and the third section is connected to the back plate; as well as A fixing belt, one end of which is connected to the bottom plate, and the other end of which is connected to the back plate.

2. The calcaneal traction and foot drop prevention device according to claim 1, characterized in that: The protective device also includes an upper back plate, which is located at the front of the instep and the lower part of the calf; the upper back plate is connected to the bottom plate and the rear back plate respectively.

3. The calcaneal traction and foot drop prevention device according to claim 2, characterized in that: An observation hole is provided on the upper back plate, and the observation hole is located at one end of the upper back plate covering the instep.

4. The calcaneal traction and foot drop prevention device according to claim 1, characterized in that: A first hanging ear is provided on the bottom plate, a second hanging ear is provided on the back plate, one end of the fixing belt is connected to the first hanging ear, and the other end of the fixing belt is connected to the second hanging ear.

5. The calcaneal traction and foot drop prevention device according to claim 4, characterized in that: A Velcro tab and a Velcro female tab are sequentially provided near the end of the fixing belt; one end of the fixing belt passes through the first hanging ear or the second hanging ear, and the Velcro tab and the Velcro female tab are connected.

6. The calcaneal traction and foot drop prevention device according to claim 1, characterized in that: The soft pad comprises a soft layer and a skin-friendly layer; the skin-friendly layer is wrapped around the outside of the soft layer.

7. The calcaneal traction and foot drop prevention device according to claim 1, characterized in that: The first section of the soft cushion is provided with a first flexible cushion, which is located on a side of the soft cushion away from the bottom plate, and is used to support the arch of the foot.

8. The calcaneal traction and foot drop prevention device according to claim 7, characterized in that: The second section of the soft pad is provided with a second flexible pad, and the second flexible pad is used for supporting the ankle joint.

9. The calcaneal traction and foot drop prevention device according to any one of claims 1 to 8, characterized in that: A first adhesive layer is provided on the first section of the cushion and / or the bottom plate, and the cushion and the bottom plate are adhesively connected via the first adhesive layer.

10. The calcaneal traction and foot drop prevention device according to claim 9, characterized in that: A second adhesive layer is provided on the third section of the soft pad and / or the back panel, and the soft pad and the back panel are adhesively connected via the second adhesive layer.

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