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A kind of fretting pressure steel plate

A technology of steel plate and coating, applied in the field of medical equipment, to achieve the effect of promoting growth

Active Publication Date: 2022-05-20
上理检测技术(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to solve the problem of fretting in the existing dynamic compression fixation system after the completion of fixation, the present invention discloses a fretting compression steel plate, which is coated with a degradable coating on the osteosynthetic surface in contact with the wounded bone, In the early stage of fracture fixation, a rigid fixation can be formed, and 2-3 weeks after the fracture, due to the degradation of the degradable coating, the micro-movement of the traumatized bone is formed, which is conducive to the healing of the fracture site

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] The present invention is described in further detail now in conjunction with embodiment.

[0024] A fretting pressurized steel plate has an osteosynthetic surface in contact with a traumatic bone and a non-osseal surface not in contact with the traumatic bone, and the osteosynthetic surface is coated with a degradable coating.

[0025] In a specific embodiment, the non-osteosynthetic surface is coated with a degradable coating. For ease of coating, the entire panel can optionally be coated with a degradable coating.

[0026] In a specific embodiment, the thickness of the degradable coating is 0.2-1 mm. Different thicknesses of coatings can be selected according to people with different physiques. Teenagers with better physical fitness can heal fractures faster, so they can choose coatings with fast degradation speeds, such as high-porosity coatings, or thinner coatings. To adapt to fracture wound healing, older, middle-aged and elderly patients can choose a coating wi...

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Abstract

The invention belongs to the technical field of medical devices, and specifically relates to a fretting pressurized steel plate, which has an osteosynthetic surface in contact with traumatic bone and a non-osseosynthetic surface not in contact with the traumatic bone, and the osteosynthetic surface is coated with a degradable coating. A fretting pressurized steel plate of the present invention can form a rigid fixation at the initial stage of fracture fixation by coating the osteosynthetic surface in contact with the traumatic bone with a degradable coating. The degradation of the bone layer forms the micro-movement of the traumatic bone site, which is beneficial to the healing of the fracture site.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and in particular relates to a fretting pressurized steel plate. Background technique [0002] Traumatic fractures of extremities are bone fractures caused by violence or accidents, and fractures are often accompanied by damage to blood vessels, tendons, nerves and other parts. Due to the large range of motion of the limbs, timely and effective fixation is required to avoid continuous secondary fractures. damage. With the development of medical level and technology, most fractures of extremities can be effectively reduced, and the functions of limbs can be restored as much as possible. However, studies have shown that more than 5% of patients with limb fractures have nonunion in clinic and need to be treated again, which not only increases The patient's physical pain will also increase the patient's psychological pressure and economic expenditure. [0003] The main reason is that the tr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/80A61L31/10A61L31/14
CPCA61L31/148A61B17/80A61L31/146A61L31/10A61L2300/412A61L2300/252C08L89/00
Inventor 姚天平徐竹周凯华
Owner 上理检测技术(上海)有限公司
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