Tibial plateau supporting device

Abstract

The utility model relates to a tibial plateau supporting device which comprises a handle and an ejector rod, one end of the ejector rod is perpendicularly fixed in the middle of the handle, the other end of the ejector rod is bent, the bending angle ranges from 15 degrees to 35 degrees, the joint of the horizontal section and the bending end of the ejector rod is bent through a round corner, the radius of the inner side of the round corner is 10 mm, the arc length of the inner side of the round corner is 100 mm, and the radius of the inner side of the round corner is 10 mm. The top end of the ejector rod is subjected to chamfering treatment, an inclined surface is formed at the top end of the ejector rod, and an included angle of 50-85 degrees is formed between the inclined surface and the center of the ejector rod; due to the design of the ejector rod, a collapsed position can be easily reached, a collapsed bone block can be jacked up and reset, the operation difficulty of a doctor can be reduced, the success rate of an operation is guaranteed, meanwhile, the size of the supporting device is reasonable, and unnecessary injuries cannot be caused.

Description

Technical Field

[0001] The utility model relates to the technical field of surgical instruments, and more specifically to a tibial platform supporter. Background Art

[0002] Tibial plateau fractures are fractures of weight-bearing joints. If not treated actively, it will lead to uneven articular surfaces of the knee joint, accelerated wear of the articular surfaces, early knee pain, limited mobility and other osteoarthritis symptoms, and fractures that have not been anatomically reduced and fixed will heal abnormally or even not heal. If the fracture fragments are displaced and the articular surfaces are uneven, they cannot be reduced by auxiliary means such as traction, and fracture open reduction and internal fixation are generally required. Currently, osteotomy is often used clinically to expose the collapsed bone fragments, and use tools such as vascular forceps and periosteal strippers for reduction. The disadvantage of the above scheme is that the surgical wound is large. If minimally invasive interventional surgery is used, minimally invasive reduction of intra-articular fractures can only be achieved by drilling away from the fracture site, reaching the bottom of the fracture fragment through the tunnel formed by the drilling, and lifting and reducing it. The use of an arthroscope to observe whether it is in place, so a reasonable push rod is currently needed for surgical operations to avoid unnecessary secondary injuries during the operation.

[0003] Defects of existing technical solutions:

[0004] 1. In actual operation, the front end of the ejector rod is mostly straight-in, but the ejector rod needs to be pushed to a reasonable position, which makes the doctor's operation complicated and easily leads to unnecessary accidental injuries;

[0005] 2. The size of the ejector rod is unreasonable. If it is too small, it will be detrimental to surgical operation, while if it is too large, it will increase the incision area and cause unnecessary damage. Utility Model Content

[0006] In view of the problems existing in the prior art, the purpose of the present utility model is to provide a tibial plateau support to solve the technical problems mentioned in the background technology.

[0007] In order to solve the above problems, the utility model adopts the following technical solutions:

[0008] A tibial plateau supporter comprises a handle and a push rod, one end of the push rod is vertically fixed to the middle of the handle, the other end of the push rod is bent, the bending angle is 15°-35°, the intersection of the horizontal section of the push rod and the bent end is rounded, the radius of the inner side of the rounded corner is 10mm, the arc length of the inner side of the rounded corner is 100mm, the top of the push rod is chamfered, the top of the push rod forms an inclined surface, and the inclined surface forms an angle of 50°-85° with the center of the push rod.

[0009] Preferably, the push rod is cylindrical, the diameter of the push rod is greater than 15 mm, and the length of the horizontal end of the push rod is 80 mm-150 mm.

[0010] In any of the above solutions, preferably, the projected length of the curved section of the top rod along the horizontal section of the top rod is 40 mm-80 mm.

[0011] In any of the above solutions, preferably, the push rod is made of titanium alloy.

[0012] Compared with the prior art, the advantages of the present invention are:

[0013] The design of the push rod in the utility model allows doctors to perform tibial plateau fracture reduction surgery by drilling a hole away from the fracture site, insert the push rod in the direction of the channel, and fully lift and reduce the collapsed position of the tibial plateau when the minimally invasive surgical method is adopted. The push rod is then taken out to perform subsequent surgical operations. When the minimally invasive surgical plan is adopted, the instrument can be used. The front end of the support has a certain curvature and angle, which can easily reach the collapsed position and lift and reduce the collapsed bone block, which can reduce the doctor's operating difficulty and ensure the success rate of the operation. At the same time, the size of the support is reasonable and will not cause unnecessary injuries. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of a tibial plateau support of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the top rod.

[0016] Explanation of the numbers in the figure: 1. handle; 2. push rod. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0018] Example:

[0019] See also Figure 1 to Figure 2 A tibial plateau supporter comprises a handle 1 and a push rod 2, one end of the push rod 2 is vertically fixed at the middle of the handle 1, the other end of the push rod 2 is bent, the bending angle is 15°-35°, the intersection of the horizontal section of the push rod 2 and the bent end is rounded, the inner radius of the rounded corner is 10mm, the arc length of the inner side of the rounded corner is 100mm, the top of the push rod 2 is chamfered, and the top of the push rod 2 forms an inclined surface, and the inclined surface forms an angle of 50°-85° with the center of the push rod 2.

[0020] In this embodiment, the top rod 2 is cylindrical, and the diameter of the top rod 2 is greater than 15mm, and the length of the horizontal end of the top rod 2 is 80mm-150mm; the device can be pre-customized in various diameters and lengths according to actual conditions, so that the appropriate model of the device can be flexibly selected according to different patients and different conditions, and it is more flexible to use.

[0021] In this embodiment, the projection length of the curved section of the top rod 2 along the horizontal section direction of the top rod 2 is 40mm-80mm; the device can be pre-customized in various diameters and lengths according to actual conditions, so that the appropriate model of the device can be flexibly selected according to different patients and different conditions, making it more flexible to use.

[0022] In this embodiment, the push rod 2 is made of titanium alloy. Through the above design, the patient's body can be less likely to be allergic to the device.

[0023] The working process of the utility model is as follows:

[0024] When a doctor performs a tibial plateau fracture reduction surgery and adopts a minimally invasive surgical method, he drills a hole away from the fracture site, inserts the push rod 2 in the direction of the channel, reaches the designated position to fully lift and reset the collapsed position of the tibial plateau, and then takes out the push rod 2 to perform subsequent surgical operations. When adopting a minimally invasive surgical plan, this instrument can be used. The front end of the support has a certain curvature and angle, which can easily reach the collapsed position and lift and reset the collapsed bone block, which can reduce the doctor's operating difficulty and ensure the success rate of the operation. At the same time, the size of the support is reasonable and will not cause unnecessary injuries.

[0025] The above is only a preferred specific implementation of the utility model; however, 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 improved ideas 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.

Claims

1. A tibial plateau support, comprising a handle (1) and a push rod (2), one end of the push rod (2) being vertically fixed to the middle of the handle (1), characterized in that: The other end of the push rod (2) is bent at a bending angle of 15°-35°. The intersection of the horizontal section and the bent end of the push rod (2) is rounded, the inner radius of the rounded corner is 10 mm, and the arc length of the inner side of the rounded corner is 100 mm. The top of the push rod (2) is chamfered, and the top of the push rod (2) forms an inclined surface, which forms an angle of 50°-85° with the center of the push rod (2).

2. A tibial plateau support according to claim 1, characterized in that: The push rod (2) is cylindrical, and the diameter of the push rod (2) is greater than 15 mm. The length of the horizontal end of the push rod (2) is 80 mm-150 mm.

3. The tibial plateau support according to claim 1, characterized in that: The projected length of the curved section of the top rod (2) along the horizontal section direction of the top rod (2) is 40 mm to 80 mm.

4. The tibial plateau support according to claim 1, characterized in that: The push rod (2) is made of titanium alloy.

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