Proximal tibia outer side locking plate

A technology of locking plate and tibia, applied in the direction of outer plate, fixer, internal bone synthesis, etc., can solve the problems of no effective fixation of meniscus injury and weak fixation of posterior side column, so as to increase the scope of indications and reduce the number of surgical supporting tools , fixed effect

Pending Publication Date: 2018-04-20
SHANGHAI KINETIC MEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Proximal tibial plateau fractures are accompanied by comminuted fractures of the proximal tibial articular surface, detachment of the meniscus, collapse of the tibial plateau, and longitudinal splitting of the cylinder. According to fracture classificati

Method used

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  • Proximal tibia outer side locking plate
  • Proximal tibia outer side locking plate
  • Proximal tibia outer side locking plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] refer to Figure 2-13 The lateral locking plate of the proximal end of the tibia includes a main body part and a tab part 4 , the main part includes a head 1 and a rod part 2 , and the tab part 3 is connected to one side of the head 1 .

[0069] In this example, refer to Figure 12-13 , the head 1 is spherically curved to fit the outer surface of the lateral column of the proximal tibial platform, so that the head 1 wraps around the outer surface of the proximal tibial platform and is fixed thereto. And after being fixed, the surface curvature of the medial surface of the head 1 and the tibia is consistent with the curvature of the surface of the lateral column of the proximal tibial platform, so that the head 1 can better fit with the surface of the lateral column of the proximal tibial platform, enhancing fixed effect.

[0070] combine figure 2 , 4 , 7, 8, a plurality of first locking holes 11 are provided on the head 1, and the equipped locking members (such as ...

Embodiment 2

[0093] refer to Figure 14-22, this embodiment is an adjustment made on the basis of embodiment 1.

[0094] Specifically, in this embodiment, the thickness of the head connecting portion 17 is smaller than that of the head main body, and the head connecting portion 17 and the head main body are transitionally connected by rounded corners 16 . The connecting part 46 of the tab and the connecting part 17 of the head are matched and overlapped together through a positioning pin 42 and a positioning hole 15. Since the connecting part 17 of the head is thinned, the head, the fitting and the main body of the tab of the same thickness.

[0095] Since the positioning between the head 1 and the tab part 4 is only realized by positioning pins and positioning holes, they cannot be fixed to each other; 45 is stuck on the upper and lower side edges 18 of the head connection part 17, so that the head 1 and the tab part 4 are directly fixed together, thereby preventing the occurrence of a ...

Embodiment 3

[0098] refer to Figure 23-26 , this embodiment is an adjustment made on the basis of embodiment 1.

[0099] In this embodiment, the head 1 and the tab part 4 are made integrally.

[0100] In this embodiment, other structural forms of the locking plate on the outer side of the proximal end of the tibia can refer to the description in Embodiment 1, and will not be repeated here.

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Abstract

The present invention provides a type of tibial near -end lock board, including main components and connecting components. The main components are used to fix the outer side of the proximal tibia;Forces, the head of the head wraps on the tibia near -end platform is fixed and fixed. The pole parts fit the outer sides of the tibial and orthopedic and fix it.Piece parts of the side column.The present invention realizes the fixation of the outer tibial side through the main component, and the design of the component of the parts to enhance the fixation of the rear column of the back column of the near -end platform of the tibia, so that the outer outer lock plate of the tibia can be used for the proximal fracture of the tibia, dry and dry.In the surgery of end fractures, joint fractures, and peripheral fractures of prosthesis; in addition, the head of the main component is wrapped in the outer side column of the near -end platform of the tibia, which is fixed and reliable than the existing curved surface bone plate.

Description

technical field [0001] The invention relates to the technical field of medical device design, in particular to a locking plate on the outer side of the proximal end of the tibia. Background technique [0002] Tibial plateau is an important load-bearing structure of the knee, and fracture of tibial plateau is one of the most common fractures in knee joint trauma. Tibial plateau fractures can be caused by indirect or direct violence. When falling from a height, the foot touches the ground first, and then falls to the side. The force is transmitted upwards from the foot along the tibia. Torsional force, resulting in a collapsed fracture of the medial or lateral tibial plateau. When the violence directly hits the inner or outer side of the knee, it will cause the knee joint to valgus or varus, resulting in lateral or medial plateau fractures or ligament damage. Since the tibial plateau fracture is a typical intra-articular fracture, its treatment and prognosis will have a gre...

Claims

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Application Information

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IPC IPC(8): A61B17/80
CPCA61B17/8061A61B2017/564
Inventor 潘志军佘君毅崔亚飞张阿龙彭豪余俊瑶
Owner SHANGHAI KINETIC MEDICAL
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