Fixing device for tibial plateau hyperextension fracture

A tibial platform and fixation device technology, applied in the field of medical devices, can solve the problems of compatibility, secondary displacement of fractures, high risk of internal fixation failure, and inability to provide effective support.

Pending Publication Date: 2020-05-05
首都医科大学附属北京潞河医院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the one-third tubular plate screw internal fixation technique must be combined with the ipsilateral anatomical locking plate screw technique in use. Although it has been manually bent, it cannot be guaranteed to be compatible with the anatomy of the proximal front of the tibia; Whethe

Method used

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  • Fixing device for tibial plateau hyperextension fracture
  • Fixing device for tibial plateau hyperextension fracture
  • Fixing device for tibial plateau hyperextension fracture

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0021] This embodiment provides a fixation device for tibial plateau hyperextension fractures, such as figure 1 and 2 As shown, it includes the first fixation part 1, the second fixation part 2 and the distal support part 3, wherein the first fixation part 1 matches the anatomical characteristics of the front of the proximal end of the tibia, and can avoid excessive soft tissue disturbance and stimulation; the first fixation part Part 1 is used to connect the front of the proximal end of the tibia, and is used to maintain the reduction height and fixation of the hyperextension fracture of the tibial plateau after reduction; the second fixation part 2 is located on the outside of the first fixation part 1, and is used for the lateral plateau fracture of the tibial plateau. Internal fixation; the upper end of the distal support part 3 is connected with the first fixation part 1 and the second fixation part 2, and is used to connect with the tibial shaft, and plays a role in the ...

Embodiment 2

[0030] This embodiment provides a fixation device for tibial plateau hyperextension fractures, such as image 3 As shown, the difference from Embodiment 1 is that the second fixation part 2 is arranged on the inner side of the first fixation part 1, and is used for internal fixation of tibial plateau fractures on the medial side of the tibial plateau. I won't repeat them here. In this embodiment, there is no difference in design and composition between the second fixation part located on the inside and the second fixation part located on the outside, and there are only differences in specific anatomical parameters.

[0031]The present invention solves the problem of lack of effective support in internal fixation of tibial plateau hyperextension fractures by setting the distal support part 3; the combination of the first fixation part 1 and the second fixation part 2 acts on the proximal end of the tibia, which solves the problem from the design point of view The combination o...

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PUM

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Abstract

The invention discloses a fixing device for tibial plateau hyperextension fracture. The fixing device comprises a first fixing part, a second fixing part and a far-end supporting part, wherein the first fixing part is matched with anatomical characteristics of the near-end front of a tibia and used for connecting the near-end front of the tibia; the second fixing part is arranged at the inner sideor the outer side of the first fixing part and used for internal fixation of fracture of the inner side or the outer side of the tibial plateau; and the upper end of the far-end supporting part is connected with the first fixing part and the second fixing part and used for being connected with the shaft part of the tibia. According to the design of the invention, the fixing device is suitable fortibial plateau hyperextension fracture, can realize effective fixation and support of a fracture part, achieves an ideal mechanical effect, improves the treatment effect of the fracture and effectively reduces the risk of internal fixation failure.

Description

technical field [0001] The invention belongs to the technical field of medical devices, in particular to a fixation device for tibial plateau hyperextension fractures. Background technique [0002] Tibial plateau hyperextension fractures are skeletal injuries formed under special stress conditions, often manifested as tibial plateau anterior, anteromedial, and anterolateral compression fractures in varying degrees, accompanied by distraction injuries at the rear of the knee joint. The characteristics of the fracture are: bone compression; the retroversion angle of the articular surface of the proximal tibia decreases or disappears; the anterior-posterior diameter of the proximal tibia increases, etc. Therefore, the choice of treatment techniques for hyperextension fractures of the tibial plateau should meet the requirements of repairing or improving the above-mentioned injuries, that is, elevating and filling bone compression; restoring the posterior tilt and providing adequ...

Claims

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Application Information

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IPC IPC(8): A61B17/80A61B17/86A61B17/68
CPCA61B17/8061A61B17/86A61B17/68A61B17/8052A61B2017/564
Inventor 张亚奎韩大成龙安华王雪飞贾梓超
Owner 首都医科大学附属北京潞河医院
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