Novel automatic pressure locking steel plate

An automatic pressurization and steel plate technology, applied in the field of medical devices, can solve the problems of fracture nonunion, slow, unfavorable fracture healing, etc.

Inactive Publication Date: 2018-06-29
SHANGHAI PUDONG HOSPITAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in modern internal fixation plates, the fretting between bone fragments close to the plate side is often less than 0.15mm, making the formation of callus on the plate side slower than that on the side away from the plate, and asymmetric callus is easy to form
[0005] The problem of the modern locking system is that the steel plate has high rigidity,

Method used

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  • Novel automatic pressure locking steel plate
  • Novel automatic pressure locking steel plate
  • Novel automatic pressure locking steel plate

Examples

Experimental program
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Effect test

Embodiment

[0067] Such as Figure 1-Figure 4 As shown, the self-pressurizing locking steel plate includes a steel plate 1 , a gasket 4 , buckles 5 , screws 3 and a slidable hole 2 . The steel plate 1 is a plate with four sides, and the four sides are smoothly transitioned, wherein two opposite sides are straight sides, and the other two opposite sides are arc-shaped curved sides, and the two curved sides are consistent with the above-mentioned Two straight sides are tangent. Two slidable holes 2 are provided on the steel plate 1. The slidable holes 2 are stepped structures and are divided into upper and lower parts. The upper hole has a larger cross-sectional area and the lower hole has a smaller cross-sectional area; The outline of the outer edge of the lower hole has four sides, and the four sides are smoothly transitioned, two of which are straight sides, and the other two are arc-shaped curved sides, and the two curved sides are consistent with the The above-mentioned two straight ...

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PUM

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Abstract

The invention discloses a novel automatic pressure locking steel plate. The automatic pressure locking steel plate particularly comprises a steel plate, a gasket, a buckle, a screw and a slidable hole; the slidable hole is formed in the steel plate, the slidable hole is used for being inserted by the screw, the gasket and the buckle are arranged between the screw and the slidable hole, the gasketand the buckle are in interference fit with the slidable hole, wherein the size of the slidable hole is 1.5-2 times that of the gasket, and the buckle is made of bioresorbable medical materials. The novel automatic pressure locking steel plate can automatically press a broken end of fracture, reduce stress shielding, facilitate the rapid formation of an osteotylus, and promote fracture healing.

Description

technical field [0001] The invention relates to the field of medical devices, and more particularly relates to a novel automatic pressure locking steel plate. Background technique [0002] With the continuous development and progress of society, the development of transportation and the increase of population mobility, the use of large-scale equipment in industrial and mining enterprises, the number of orthopedic trauma patients is increasing. Due to the continuous improvement of the industrial level and the continuous introduction of various new technologies, the surgery of trauma orthopedics has also advanced by leaps and bounds. The application of various internal fixation materials provides a basis for the development of orthopedic technology. However, what follows is that the occurrence of internal fixation fractures after fractures is also increasing. This not only brings unnecessary pain to patients and forms medical disputes, but also puts higher demands on orthope...

Claims

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Application Information

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IPC IPC(8): A61B17/80
CPCA61B17/8033
Inventor 禹宝庆贾建波敖荣广
Owner SHANGHAI PUDONG HOSPITAL
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