3D printing scaffold for bone tissue repair

Abstract

The utility model provides a kind of 3D printing support for bone tissue repair belongs to medical care appliance technical field, the device includes shank plate, heel window plate, sole plate and reinforcing part, shank plate main body end face is fixed with reinforcing rib one reinforcing rib two, reinforcing part includes heel window plate reinforcing part, sole plate reinforcing part is fixedly connected with heel window plate reinforcing part, heel window plate main body is fixedly connected with the lower end of shank plate main body, sole plate reinforcing part is clamped on the bottom surface of sole plate main body, by the reinforcing rib one and reinforcing rib two of several cross settings, the structural strength of shank plate whole can be ensured, while saving the use of printing raw material, reduce production cost, by setting reinforcing part on heel window plate and sole plate, it can reduce the use of printing raw material on heel window plate and sole plate, improve the printing production efficiency of printing support, while through the setting of reinforcing part, the bearing capacity of heel window plate and sole plate can be improved, prevent printing support from being crushed in use process, improve the overall reliability of device.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical health appliance technical field especially, it is a kind of 3D printing support for bone tissue repair. BACKGROUND

[0002] Lingual calcaneal fracture accounts for 14%-20% of all calcaneal fractures, which can occur as isolated fracture lines or as part of more complex intra-articular calcaneal fracture patterns. After reduction of lingual calcaneal fracture, the foot and ankle need to be fixed with plaster to prevent stress on the affected area.

[0003] The Chinese patent with the authorization announcement number CN222787957U discloses a 3D printed brace for calcaneal lingual fracture and prevention of soft tissue injury, a foot plate, the rear end of the foot plate is fixedly connected with the lower end of the calcaneal window plate, the upper end of the calcaneal window plate is fixedly connected with the lower end of the calf plate, the surface of the calf plate is provided with an arc-shaped groove that fits the back of the calf; a pair of bandage holes are formed near the edges of the calf plate and the foot plate, by adding the support composed of the calf plate, the calcaneal window plate and the foot plate into the plaster, the heel of the patient is protected, the incision on the upper part of the heel after reduction of lingual calcaneal fracture is exposed, so as not to affect the patient's medicine application, and sufficient protection can be provided for the incision to make the patient's recovery more smooth.

[0004] The above-mentioned prior art solution has the following disadvantages: the calf plate, the calcaneal window plate and the foot plate as a whole need to have certain bearing capacity during use, so there are certain requirements for the thickness of the calf plate, the calcaneal window plate and the foot plate, a large amount of printing raw materials need to be used during printing, which makes the overall printing time longer and is not conducive to improving the printing efficiency. UTILITY MODEL CONTENT

[0005] To solve the above-mentioned problems, the utility model provides a kind of 3D printing support for bone tissue repair, to solve the above-mentioned problems existing in prior art.

[0006] According to the first aspect of the utility model, a kind of 3D printing support for bone tissue repair is provided, including:

[0007] The calf plate includes a calf plate main body, an arc-shaped groove that fits the back of the calf is formed on one side end face of the calf plate main body, and reinforcing rib one and reinforcing rib two are fixed on the other end face of the calf plate main body;

[0008] The reinforcing member includes a calcaneal window plate reinforcing member, and the foot plate reinforcing member is fixedly connected with the calcaneal window plate reinforcing member;

[0009] The heel panel includes a heel panel body, which is fixedly connected to the lower end of the calf panel body. An arc-shaped groove matching the heel is opened on one side of the heel panel body, and the heel panel reinforcement is snapped onto the other side of the heel panel body.

[0010] The foot plate includes a foot plate body, which is fixedly connected to the lower end of the foot window plate body, and the foot plate reinforcement is snapped onto the bottom surface of the foot plate body.

[0011] As a further embodiment of this utility model: two limiting strips are symmetrically arranged and fixedly connected to the end face of the main body of the window panel, and a snap-fit ​​groove is provided between the two limiting strips.

[0012] As a further embodiment of this utility model: the rear window panel reinforcement is an arc-shaped rod that fits into the arc-shaped surface of the rear window panel body, and the rear window panel reinforcement is snapped into the snap-fit ​​groove.

[0013] As a further embodiment of this utility model: a second snap-fit ​​groove matching the foot plate reinforcement is provided on the bottom surface of the main body of the foot plate, and the foot plate reinforcement is snapped into the second snap-fit ​​groove.

[0014] As a further embodiment of this utility model: a bandage hole for attaching bandages is provided through the side end face of the calf plate body.

[0015] As a further embodiment of this utility model: a number of reinforcing ribs are evenly distributed, a number of reinforcing ribs are evenly distributed, and the number of reinforcing ribs are interleaved with the number of reinforcing ribs.

[0016] As a further embodiment of this utility model: the foot plate reinforcement is a circular plate, and both the foot plate reinforcement and the heel window plate reinforcement are made of metal.

[0017] The beneficial effects of this utility model are:

[0018] This invention ensures the overall structural strength of the lower leg plate by using several cross-arranged reinforcing ribs 1 and 2, while saving printing material and reducing production costs. By setting reinforcing members on the heel window plate and foot plate, the amount of printing material used on the heel window plate and foot plate can be reduced, improving the printing production efficiency of the printing bracket. At the same time, the setting of reinforcing members can increase the load-bearing capacity of the heel window plate and foot plate, preventing the printing bracket from being crushed during use and improving the overall reliability of the device. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of a 3D-printed scaffold for bone tissue repair according to the present invention. Figure One ;

[0020] Figure 2This is a three-dimensional structural diagram of a 3D-printed scaffold for bone tissue repair according to the present invention. Figure Two ;

[0021] Figure 3 This is a three-dimensional structural diagram of a 3D-printed scaffold for bone tissue repair according to the present invention, with the reinforcing member removed.

[0022] Figure 4 This is a three-dimensional structural diagram of a reinforcement component of a 3D-printed scaffold for bone tissue repair according to the present invention.

[0023] List of reference numerals in the attached diagram:

[0024] 1. Lower leg plate; 11. Lower leg plate main body; 12. Bandage hole; 13. Reinforcing rib one; 14. Reinforcing rib two; 2. Heel window plate; 21. Heel window plate main body; 22. Limiting strip; 23. Snap-fit ​​groove one; 3. Foot sole plate; 31. Foot sole plate main body; 32. Snap-fit ​​groove two; 4. Reinforcing component; 41. Foot sole plate reinforcing component; 42. Heel window plate reinforcing component. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0026] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" 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; and 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.

[0028] Reference Figures 1 to 4This utility model provides a 3D-printed scaffold for bone tissue repair, including a calf plate 1, a heel window plate 2, a foot plate 3, and a reinforcing member 4. The calf plate 1 includes a calf plate body 11, with an arc-shaped groove on one end face of the calf plate body 11 that fits against the posterior part of the calf. Reinforcing ribs 13 and 14 are fixed on the other end face of the calf plate body 11. The reinforcing member 4 includes a heel window plate reinforcing member 42, and a heel window plate reinforcing member 42 is fixedly connected to the foot plate reinforcing member 41. The reinforcing member 42, the heel plate 2 includes a heel plate body 21, the heel plate body 21 is fixedly connected to the lower end of the calf plate body 11, the heel plate body 21 has an arc-shaped groove matching the heel on one side end face, the heel plate reinforcing member 42 is snapped onto the other side end face of the heel plate body 21, the foot plate 3 includes a foot plate body 31, the foot plate body 31 is fixedly connected to the lower end of the heel plate body 21, the foot plate reinforcing member 41 is snapped onto the bottom surface of the foot plate body 31.

[0029] Two limiting strips 22 are symmetrically arranged and fixedly connected on the end face of the base plate 21. A snap-fit ​​groove 23 is provided between the two limiting strips 22. The base plate reinforcement 42 is an arc-shaped rod that fits the arc-shaped surface of the base plate 21. The base plate reinforcement 42 is snapped into the snap-fit ​​groove 23. A snap-fit ​​groove 32 matching the foot plate reinforcement 41 is opened on the bottom surface of the foot plate 31. The foot plate reinforcement 41 is snapped into the snap-fit ​​groove 32. By setting reinforcements 4 on the base plate 2 and foot plate 3, the use of printing material on the base plate 2 and foot plate 3 can be reduced, and the printing production efficiency of the printing bracket can be improved.

[0030] In some specific embodiments, a bandage hole 12 for attaching bandages is provided through the side end face of the calf plate body 11.

[0031] There are several reinforcing ribs 13 and 14 evenly distributed. The reinforcing ribs 13 and 14 are interspersed. The interspersed reinforcing ribs 13 and 14 can ensure the overall structural strength of the lower leg plate 1, while saving printing material and reducing production costs.

[0032] In some specific embodiments, the foot plate reinforcement 41 is a circular plate, and both the foot plate reinforcement 41 and the heel window plate reinforcement 42 are made of metal.

[0033] Workflow:

[0034] In operation, the three-dimensional data of the patient's lower leg, ankle, and sole are first measured using measuring tools. Then, appropriate dimensions are set based on the data. Next, a 3D-printed scaffold for bone tissue repair is printed using a 3D printer. The patient's leg is then disinfected, and a plaster cast is applied to the leg and foot. Finally, the 3D-printed scaffold for bone tissue repair is fixed to the patient's leg. Several cross-laid reinforcing ribs 13 and 14 ensure the overall structural strength of the lower leg plate 1, while saving printing material and reducing production costs. By setting reinforcing members 4 on the heel plate 2 and sole plate 3, the amount of printing material used on the heel plate 2 and sole plate 3 can be reduced, improving the printing efficiency of the scaffold. At the same time, the setting of reinforcing members 4 can increase the load-bearing capacity of the heel plate 2 and sole plate 3, preventing the scaffold from being crushed during use and improving the overall reliability of the device.

[0035] It should be noted that not all steps and modules in the above processes and system structure diagrams are mandatory; some steps or modules can be omitted as needed. The execution order of each step is not fixed and can be adjusted as required. The system structure described in the above embodiments can be a physical structure or a logical structure. That is, some modules may be implemented by the same physical entity, or some modules may be implemented by multiple physical entities, or they may be jointly implemented by certain components in multiple independent devices.

[0036] In the above embodiments, the hardware modules can be implemented mechanically or electrically. The present invention has been described and illustrated in detail above with reference to the accompanying drawings and preferred embodiments. However, the present invention is not limited to these disclosed embodiments. Based on the above embodiments, those skilled in the art will understand that more embodiments of the present invention can be obtained by combining the code review methods in the different embodiments described above, and these embodiments are also within the protection scope of the present invention.

Claims

1. A 3D-printed scaffold for bone tissue repair, characterized in that, include: Lower leg plate (1), the lower leg plate (1) includes a lower leg plate body (11), an arc-shaped groove that fits the rear of the lower leg is provided on one side end face of the lower leg plate body (11), and a reinforcing rib one (13) and a reinforcing rib two (14) are fixed on the other end face of the lower leg plate body (11). The reinforcing member (4) includes a heel window plate reinforcing member (42), and the heel window plate reinforcing member (42) is fixedly connected to the foot plate reinforcing member (41); The heel panel (2) includes a heel panel body (21), which is fixedly connected to the lower end of the calf panel body (11). An arc-shaped groove matching the heel is provided on one side of the heel panel body (21), and the heel panel reinforcement (42) is snapped onto the other side of the heel panel body (21). Foot plate (3), foot plate (3) includes foot plate body (31), foot plate body (31) is fixedly connected to the lower end of the foot window plate body (21), and foot plate reinforcement (41) is snapped onto the bottom surface of foot plate body (31).

2. The 3D-printed scaffold for bone tissue repair according to claim 1, characterized in that, Two limiting strips (22) are symmetrically arranged and fixedly connected to the end face of the main body (21) of the window panel, and a snap-fit ​​groove (23) is provided between the two limiting strips (22).

3. The 3D-printed scaffold for bone tissue repair according to claim 2, characterized in that, The window panel reinforcement (42) is an arc-shaped rod that fits against the arc-shaped surface of the window panel body (21), and the window panel reinforcement (42) is snapped into the snap-fit ​​groove (23).

4. The 3D-printed scaffold for bone tissue repair according to claim 1, characterized in that, The bottom surface of the main body of the foot plate (31) is provided with a snap-fit ​​groove (32) that matches the foot plate reinforcement (41), and the foot plate reinforcement (41) is snapped into the snap-fit ​​groove (32).

5. A 3D-printed scaffold for bone tissue repair according to claim 1, characterized in that, The lower leg plate body (11) has a bandage hole (12) through which a bandage is tied on the side end face.

6. A 3D-printed scaffold for bone tissue repair according to claim 1, characterized in that, There are several reinforcing ribs 1 (13) evenly distributed and several reinforcing ribs 2 (14) evenly distributed, with several reinforcing ribs 1 (13) and several reinforcing ribs 2 (14) intersecting each other.

7. A 3D-printed scaffold for bone tissue repair according to claim 1, characterized in that, The foot plate reinforcement (41) is a circular plate, and both the foot plate reinforcement (41) and the heel window plate reinforcement (42) are made of metal.

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