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Tibial fracture plate

A technology of bone plate and tibia, applied in the direction of outer plate, internal bone synthesis, medical science, etc., can solve the problems of bone plate cannot be fixed, local strength of screw holes is low, and overall strength of bone plate is low

Pending Publication Date: 2019-02-12
UNIV OF JINAN
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] figure 2 Shown is the stress distribution diagram of the screw hole offset. It can be seen in the figure that the local strength of the screw hole is low. Once broken, the bone plate cannot be fixed
The surface texture is a rectangular array of micropores, and the overall strength of the bone plate is also low

Method used

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Examples

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Embodiment Construction

[0038] Refer to the attached image 3 , it can be understood that the basic reference frame is the proximal and distal ends of the tibia, that is, the proximal end of the tibia C and the distal end of the tibia A shown in the figure. For tibial shaft fractures, the middle of the tibial bone plate is exactly located at the broken bone B The middle part of the tibial plate bears the worst stress environment.

[0039] In addition, the width direction of the bone plate is adapted to the circumferential direction of the tibia, and the length direction is adapted to the length direction of the tibia.

[0040] It can be understood that, for the enclosure structure, the enclosure is inward, and the opposite is external.

[0041] image 3 Shown is a schematic diagram of the fixation state of the tibial bone plate on the tibia. In the figure, the side of the tibial bone plate that can be directly observed is its back side, and the tibial bone plate is covered by the bone plate body 6 ...

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Abstract

The invention discloses a tibial fracture plate, which has a front side attached to a bone and a back side opposite to the front side, and comprises: a bone fracture plate body, wherein a plurality ofscrew holes are formed in the bone fracture plate body; surface texturing units, wherein a surface texturing unit is formed around each screw hole at the front and / or back, the surface texturing units are concaves and arranged in an array in the circumferential direction of the screw hole based on radial direction of the screw hole; a drug layer which has at least a part arranged in the concaves.According to the invention, the tibial fracture plate can effectively improve the stress distribution on the fracture plate, and the fracture plate is not easy to fail relatively.

Description

technical field [0001] The invention relates to a tibial bone plate. Background technique [0002] The tibia is one of the two bones of the lower leg and is located on the inner side of the lower leg. It plays an important role in supporting body weight and is the main load-bearing bone in the lower leg. It can be divided into one body and two ends. The upper end is usually called the proximal end, and the lower end is usually called the distal end. The distal end fracture is a multiple fracture, and the fracture of the backbone between the two ends is a tibial body fracture. Happens less often, but still happens. The invention relates to a tibial fusiform bone plate used for internal fixation of tibial body fractures. [0003] Tibial fractures are a type of multiple fractures, accounting for about 1 / 4 of all fractures in the whole body. At present, the internal fixation materials used clinically are mainly titanium alloy materials. This material has the advantages of exc...

Claims

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Application Information

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IPC IPC(8): A61B17/80
CPCA61B17/8057A61B17/8061A61B2017/00867A61B2017/00893
Inventor 吴戍戌王守仁刘文涛温道胜王高琦于琪琪颜新宇孙兆磊郭宇
Owner UNIV OF JINAN
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