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T-shaped bone plate

A technology of bone plate and plate body, applied in the direction of outer plate, internal bone synthesis, medical science, etc., can solve the problems of adverse reactions of surrounding tissues, easy to wear metal chips, fretting corrosion, etc., to improve the healing rate and prevent fretting. Corrosion and oppression reduction effects

Pending Publication Date: 2018-06-29
TRAUSON CHINA MEDICAL INSTR COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When the existing bone plate is used in conjunction with the bone screw, due to the rigid contact between the metal and the metal, it is easy to wear and form metal chips after a long time, resulting in fretting corrosion, thus causing adverse reactions to the surrounding tissues of the human body

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Such as Figure 1-3 Shown is the T-shaped bone plate of this embodiment, which includes a T-shaped flat plate body 1, and the plate body 1 is divided into a head 1-1 and a body 1-2 integrally formed. The side of the board body 1 is concave-convex and wavy, and the board body 1 is provided with screw holes 2, the screw holes 2 are evenly distributed on the board body 1, and the side of the board body 1 is located between two adjacent screw holes 2 A concave point is formed, and a convex point is formed at the position where the screw hole 2 is located. The screw hole 2 is in the shape of a circular cone, and the inner wall of the screw hole 2 has an internal thread.

[0034] An annular gasket 3 is placed in the screw hole 2 , the inner and outer walls of the gasket 3 are smooth, and the gasket 3 is in contact with the screw hole 2 . The liner 3 is made of polyethylene, or polyetheretherketone or polylactic acid that can be absorbed and degraded by the human body.

Embodiment 2

[0036] Such as Figure 4-7 Shown is the T-shaped bone plate of this embodiment, which includes a T-shaped flat plate body 1, and the plate body 1 is divided into a head 1-1 and a body 1-2 integrally formed. The plate body 1 is provided with a screw hole 2, the screw hole 2 is in the shape of a circular platform, the inner wall of the screw hole 2 has an internal thread, the screw hole 2 is distributed at the end of the head 1-1 and the body 1-2, the head 1-1 A light hole 4 with a smooth inner wall is opened at the connection position with the body part 1-2, and the light hole 4 can reduce the pressure generated by the bone plate on the human bone. The side surface of the plate body 1 is concave-convex and wavy. The side of the plate body 1 is located between two adjacent screw holes 2 to form a concave point, and the position where the screw holes 2 are located forms a convex point. Through the concave-convex wavy design, It can reduce the pressure on human bones.

[0037] A...

Embodiment 3

[0041] Such as Figure 8 Shown is the T-shaped bone plate of this embodiment, which includes a T-shaped flat plate body 1, and the plate body 1 is divided into a head 1-1 and a body 1-2 integrally formed. The side surface of the plate body 1 is concave-convex and wavy, and the plate body 1 is provided with a screw hole 2. The end of the body portion 1-2 connected to the head 1-1 is the head end, and the end of the body portion 12 is far away from the head 1-1. One end is the end, and the screw holes 2 are distributed on the ends of the head 1-1 and the body 1-2. On the side of the plate body 1, a concave point is formed at the position between two adjacent screw holes 2, where the screw holes 2 are located. The parts form bumps. The screw hole 2 is in the shape of a circular cone, and the inner wall of the screw hole 2 has an internal thread.

[0042] An annular gasket 3 is placed in the screw hole 2 , the inner and outer walls of the gasket 3 are smooth, and the gasket 3 is...

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Abstract

The invention relates to the technical field of bone plate, in particular to a T-shape bone plate, which includes a T-shaped flat plate. The side of the plate is wavy and concave. A screw hole is provided on the plate. The cavity of the screw hole is provided with a line to avoid hard contact. When the T-shaped bone plate is used in conjunction with bone screw, hard contact can be avoided and theuse security can be improved.

Description

technical field [0001] The invention belongs to the technical field of bone plates, in particular to a T-shaped bone plate. Background technique [0002] Minimally invasive bone plate osteosynthesis is a modern fracture internal fixation technique. It adopts closed fracture reduction technology and uses non-pressurized bone plate fixation to maintain fracture alignment, which minimizes surgical exposure and soft tissue stripping, and reduces Disruption of the blood supply to tissues such as skin, periosteum, and fracture fragments can increase the rate of fracture healing and reduce the incidence of complications such as infection or nonunion. [0003] When the existing bone plate is used in conjunction with the bone screw, due to the rigid contact between the metal and the metal, it is easy to wear and form metal chips after a long time, resulting in fretting corrosion, thereby causing adverse reactions to the surrounding tissues of the human body. Contents of the inventi...

Claims

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Application Information

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IPC IPC(8): A61B17/80
CPCA61B17/8028A61B17/8057A61B2017/564A61B2017/00831
Inventor 陈长胜秦宗俊
Owner TRAUSON CHINA MEDICAL INSTR COMPANY
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