Tibial plateau fracture articular surface repositor

By designing a fracture articular surface resetter of the tibial platform using hydraulic rods and compression springs, the problem of manual strike operation in the prior art and inaccurate control of force is solved, and more efficient articular surface reset and support for the patient's calf is achieved.

CN222828648UActive Publication Date: 2025-05-06DEZHOU JOINT MEDICAL EQUIP
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Patent Information

Application Number
CN202421603897.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-09
Publication Date
2025-05-06
Estimated Expiration
2034-07-09

AI Technical Summary

Technical Problem

The existing tibial platform fracture joint surface reduction device requires manual attack by medical staff, which is troublesome to operate, inaccurate control of force, and inconvenient support for the patient's legs, reducing the work efficiency of medical staff.

Method used

A joint surface resetter for fracture of the tibial platform was designed, using hydraulic rods to push the support table to move, adjust the height of the support base, combine the support of the support base and protective pads, and control the force with the compression spring, and generate vibrations through the blow head to reset the joint surface, and facilitate operation by the coordination of the limiting plate and the handle.

Benefits of technology

The work efficiency of medical staff is improved. Through the cooperation of hydraulic rods and compression springs, precise control of joint surface reset is achieved, convenient support for patients' calf, and simplified operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a tibial plateau fracture articular surface repositor, which belongs to the technical field of medical instruments and comprises a fixing seat, the back of the fixing seat is fixedly connected with a fixing angle plate, the upper surface of the fixing angle plate is fixedly connected with a positioning frame, the inner side wall of the positioning frame is provided with symmetrical sliding chutes, and the sliding chutes are fixedly connected with the fixing angle plate. The interiors of the two sliding grooves are jointly and slidably connected with a sliding plate, a through hole is formed in the upper surface of the sliding plate, a fixing rod is arranged in the through hole, the bottom end of the fixing rod is fixedly connected with a fixing block, the bottom surface of the fixing block is fixedly connected with a fixing column, and the bottom end of the fixing column is fixedly connected with a striking head; a hydraulic rod is used for pushing the supporting table to move, medical staff can conveniently adjust the height of the supporting base, through cooperation of the supporting base and a protective pad, the shanks of a patient can be supported, certain elastic force can be applied to a fixing block through the compression spring, and the medical staff can conveniently control the force.
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Description

Technical Field

[0001] The utility model relates to the field of medical instruments, in particular to a tibial plateau fracture articular surface reducer. Background Art

[0002] Medical devices refer to instruments, equipment, appliances, in vitro diagnostic reagents and calibrators, materials and other similar or related items that are used directly or indirectly on the human body. Most tibial plateau fractures are treated with surgery, in which the reduction of the collapsed joint surface is very important. The anatomical reduction and stable fixation of the joint surface of tibial plateau fractures can restore the apposition and stability of the joint to allow early movement of the knee joint, while maximizing the joint contact area to reduce the risk of post-traumatic arthritis.

[0003] The collapse reduction of the articular surface of tibial plateau fracture is generally reduced by an impact reducer, in which the impact head of the reducer is pressed against the subchondral bone part of the articular surface from below, and the bottom of the reducer handle is hit with a hammer. The planar vibration of the impact head is used to reduce the collapse of the fracture articular surface. Currently, most of the articular surface reducers of tibial plateau fractures are manually struck by medical staff, which is troublesome, the control of the force is inaccurate, and it is not convenient to support the patient's legs, thereby reducing the work efficiency of medical staff. Therefore, a technical personnel in this field provides a tibial plateau fracture articular surface reducer to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to provide a tibial plateau fracture articular surface reducer to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The cam is secured to the upper and lower surfaces of the frame, and the cam is secured to the upper and lower surfaces of the frame by means of a locking mechanism. The cam is secured to the upper and lower surfaces of the frame by means of a locking mechanism. The cam is secured to the upper and lower surfaces of the frame by means of a locking mechanism.

[0007] As a further solution of the utility model: the upper surface of the support platform is fixedly connected with a support seat, and the upper surface of the support seat is fixedly connected with a protective pad.

[0008] As a further solution of the utility model: an operation instruction reminder sticker is pasted on the front side of the fixing seat, and the operation instruction reminder sticker is in a triangular shape.

[0009] As a further solution of the utility model: a symmetrical bottom plate is fixedly connected to the bottom surface of the fixing seat, and symmetrical braking universal wheels are installed on the bottom surfaces of the two bottom plates.

[0010] As a further solution of the utility model: a support plate is fixedly connected to the front side of the fixed angle plate, and the upper surface of the support plate is fixedly connected to the bottom surface of the positioning frame.

[0011] As a further solution of the utility model: the top end of the fixing rod is fixedly connected with a positioning plate, and the upper surface of the positioning plate is fixedly connected with a symmetrical limiting plate.

[0012] As a further solution of the utility model: a handle is fixedly connected to the side surfaces of the two limit plates close to each other, and the outer surface of the handle is provided with anti-slip grooves.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The tibial plateau fracture articular surface reducer utilizes a hydraulic rod to push the support platform to move, so that medical staff can adjust the height of the support seat conveniently. The support seat and the protective pad cooperate to support the patient's calf. The compression spring can apply a certain elastic force to the fixing block, so that medical staff can control the strength conveniently. The patient's leg can be struck by the striking head to generate vibration to cause the fracture articular surface to collapse and be reduced, thereby improving the work efficiency of medical staff. The limit plate and the handle cooperate to facilitate medical staff to pull the striking head. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a tibial plateau fracture articular surface reducer;

[0016] Figure 2 A sectional view of a side view of a fixing seat in a tibial plateau fracture articular surface reducer;

[0017] Figure 3 A sectional view of a side view of a positioning frame in a tibial plateau fracture articular surface reducer;

[0018] Figure 4 The present invention is a bottom view of a positioning frame in a tibial plateau fracture articular surface reducer.

[0019] In the figure: 1. fixing seat; 2. fixing angle plate; 3. positioning frame; 4. slide groove; 5. slide plate; 6. through hole; 7. fixing rod; 8. compression spring; 9. fixing block; 10. fixing column; 11. striking head; 12. groove; 13. hydraulic rod; 14. supporting platform; 15. supporting seat; 16. protective pad; 17. positioning plate; 18. limiting plate; 19. handle; 20. support plate; 21. operating instruction reminder sticker; 22. bottom plate; 23. braking universal wheel. DETAILED DESCRIPTION

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0021] See also Figures 1 to 4 In the embodiment of the utility model, a tibial plateau fracture articular surface reducer comprises a fixing seat 1, a fixing angle plate 2 is fixedly connected to the back of the fixing seat 1, a positioning frame 3 is fixedly connected to the upper surface of the fixing angle plate 2, a symmetrical sliding groove 4 is provided on the inner wall of the positioning frame 3, a slide plate 5 is slidably connected to the inside of the two sliding grooves 4, a through hole 6 is provided on the upper surface of the slide plate 5, a fixing rod 7 is provided inside the through hole 6, a fixing block 9 is fixedly connected to the bottom end of the fixing rod 7, a fixing column 10 is fixedly connected to the bottom surface of the fixing block 9, a striking head 11 is fixedly connected to the bottom end of the fixing column 10, and a Compression spring 8, the bottom end of the compression spring 8 is fixedly connected to the upper surface of the fixing block 9, a groove 12 is opened on the upper surface of the fixing seat 1, a hydraulic rod 13 is installed inside the groove 12, and the output end of the hydraulic rod 13 is fixedly connected to a support platform 14. The hydraulic rod 13 is used to push the support platform 14 to move, so that medical staff can adjust the height of the support seat 15 conveniently. Through the cooperation of the support seat 15 and the protective pad 16, the patient's calf can be supported. The compression spring 8 can apply a certain elastic force to the fixing block 9, and the striking head 11 can knock on the patient's leg to generate vibration to cause the fracture joint surface to collapse and reset.

[0022] The upper surface of the support platform 14 is fixedly connected to a support base 15, and the upper surface of the support base 15 is fixedly connected to a protective pad 16. An operating instruction reminder sticker 21 is pasted on the front of the fixed base 1, and the operating instruction reminder sticker 21 is in a triangular shape. The bottom surface of the fixed base 1 is fixedly connected to a symmetrical base plate 22, and the bottom surfaces of the two base plates 22 are both installed with symmetrical braking universal wheels 23. Through the cooperation of the support base 15 and the protective pad 16, the patient's calf can be placed conveniently. The operating instruction reminder sticker 21 can be used as a reference for medical staff during operation to avoid errors in medical staff's operation. The cooperation of the base plate 22 and the braking universal wheel 23 makes it convenient for medical staff to move the device, saving their time.

[0023] The front of the fixed angle plate 2 is fixedly connected to a support plate 20, the upper surface of the support plate 20 is fixedly connected to the bottom surface of the positioning frame 3, the top of the fixed rod 7 is fixedly connected to a positioning plate 17, the upper surface of the positioning plate 17 is fixedly connected to a symmetrical limiting plate 18, and the side surfaces of the two limiting plates 18 close to each other are commonly fixedly connected to a handle 19, the outer surface of the handle 19 is provided with anti-slip grooves, the positioning frame 3 can be reinforced by the support plate 20 to improve the stability of the positioning frame 3, and the cooperation of the limiting plate 18 and the handle 19 makes it convenient for medical staff to pull the striking head 11.

[0024] The working principle of the utility model is: when in use, first connect the device to the corresponding power supply, then through the cooperation of the bottom plate 22 and the braking universal wheel 23, stably place the device in a suitable position, then use the hydraulic rod 13 to push the support platform 14 to move, so that the medical staff can adjust the height of the support seat 15, and then through the cooperation of the support seat 15 and the protective pad 16, support the patient's calf, and then use the handle 19 to pull the fixing rod 7, and then use the compression spring 8 to apply a certain elastic force to the fixing block 9, and then the medical staff releases their hands, and can knock the patient's leg through the striking head 11, generating vibration to cause the fracture joint surface to collapse and reset.

[0025] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and utility model concept of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, so it is intended to include all changes that fall within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A tibial plateau fracture articular surface reducer, comprising a fixing seat (1), characterized in that: The back of the fixed seat (1) is fixedly connected to a fixed angle plate (2), the upper surface of the fixed angle plate (2) is fixedly connected to a positioning frame (3), the inner side wall of the positioning frame (3) is provided with symmetrical sliding grooves (4), the inside of the two sliding grooves (4) are slidably connected to a slide plate (5), the upper surface of the slide plate (5) is provided with a through hole (6), the inside of the through hole (6) is provided with a fixing rod (7), the bottom end of the fixing rod (7) is fixedly connected to a fixing block (9), the bottom surface of the fixing block (9) is fixedly connected to a fixing column (10), the bottom end of the fixing column (10) is fixedly connected to a striking head (11), the bottom surface of the slide plate (5) is fixedly connected to a compression spring (8), the bottom end of the compression spring (8) is fixedly connected to the upper surface of the fixing block (9), the upper surface of the fixed seat (1) is provided with a groove (12), the inside of the groove (12) is equipped with a hydraulic rod (13), and the output end of the hydraulic rod (13) is fixedly connected to a support platform (14).

2. The tibial plateau fracture articular surface reducer according to claim 1, characterized in that: The upper surface of the support platform (14) is fixedly connected to a support seat (15), and the upper surface of the support seat (15) is fixedly connected to a protective pad (16).

3. The tibial plateau fracture articular surface reducer according to claim 1, characterized in that: An operating instruction reminder sticker (21) is adhered to the front side of the fixing seat (1), and the operating instruction reminder sticker (21) is in a triangular shape.

4. The tibial plateau fracture articular surface reducer according to claim 1, characterized in that: The bottom surface of the fixed seat (1) is fixedly connected to a symmetrical bottom plate (22), and the bottom surfaces of the two bottom plates (22) are both equipped with symmetrical braking universal wheels (23).

5. The tibial plateau fracture articular surface reducer according to claim 1, characterized in that: A support plate (20) is fixedly connected to the front surface of the fixed angle plate (2), and the upper surface of the support plate (20) is fixedly connected to the bottom surface of the positioning frame (3).

6. The tibial plateau fracture articular surface reducer according to claim 1, characterized in that: A positioning plate (17) is fixedly connected to the top end of the fixing rod (7), and a symmetrical limiting plate (18) is fixedly connected to the upper surface of the positioning plate (17).

7. The tibial plateau fracture articular surface reducer according to claim 6, characterized in that: A handle (19) is fixedly connected to the side surfaces of the two limit plates (18) that are close to each other, and the outer surface of the handle (19) is provided with anti-slip grooves.