Automatic limb fracture reduction method and automatic limb fracture reduction system

A technology of automatic reset and limbs, applied in medical science, computer tomography scanner, surgery, etc., can solve the problems of manual line drawing error and limited application range, and achieve the effect of improving accuracy and reducing difficulty

Inactive Publication Date: 2014-04-30
MATERIAL INST OF CHINA ACADEMY OF ENG PHYSICS
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AI Technical Summary

Problems solved by technology

Rely on the doctor's medical experience, and there are certain errors in manual line drawing
[0012] 2. The scope of application is limited, and it is only used in the operation of lower extremity shaft fractures

Method used

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  • Automatic limb fracture reduction method and automatic limb fracture reduction system

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Embodiment Construction

[0029] The present invention will be described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.

[0030] Please refer to figure 1 , figure 1 It is a flowchart of a method for automatic reduction of limb fractures in an embodiment of the present invention.

[0031] The problem to be solved in this application is:

[0032] 1. Automatic acquisition of reduction motion parameters for non-open fractures. Through the processing of frontal and lateral X-ray images, the three-dimensional motion trajectory of the fracture image is obtained, which reduces the dependence of the operation on the doctor's experience.

[0033] 2. Increase the scope of use. For fracture reduction applications on various prominent parts of the body.

[0034] For this reason, the present invention provides a method for automatic reduction of extremity fractures, including steps: S1, acquiring fracture images, using X-rays to perform tomogr...

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Abstract

The invention discloses an automatic limb fracture reduction method and an automatic limb fracture reduction system. The automatic limb fracture reduction method comprises the steps that tomoscan is conducted on the fractured part of a patient through X rays, fracture information is obtained through a detector matched with the X rays, a digital-to-analog converter is used for converting the fracture information into digital quantity, and the digital quantity is made to form an image matrix through a computer; denoising, enhancement, restoration, segmentation and feature extraction are conducted on the image matrix, so that a second-level image is formed; binaryzation and edge extraction are conducted on the second-level image, so that approximation of a contour line is realized, and a third-level image is formed; the third-level image is vectorized, and a three-dimensional model is reconstructed; fitting is conducted according to the edge curve of the fractured part in the three-dimensional model, and a three-dimensional movement trajectory required by fracture reduction is determined through the computer; traction reduction is conducted on the fractured part through a traction machine under the control of the computer. By means of the automatic limb fracture reduction method and the automatic limb fracture reduction system, the fracture reduction difficulty is lowered to a great extent, and mechanical reduction accuracy is improved.

Description

technical field [0001] The invention relates to the technical field of medical equipment, and more specifically relates to a method for automatic reduction of limb fractures and an automatic reduction system for limb fractures. Background technique [0002] In recent years, despite the rapid development of orthopedic fracture internal fixation equipment, traditional surgery still causes great damage to body tissues, and the reality of long operation time and many complications has not changed. [0003] A typical robot-assisted bone setting system: the purpose of its construction is to assist doctors in the restoration and intramedullary nail locking of non-open fractures of human limbs, especially femur and tibial fractures. The system includes a reset parallel robot, a C-arm X-ray machine, a navigation robot, a multifunctional automatic operating bed, a computer control system and a doctor's workbench, etc. [0004] The main functions of the robot-assisted bone setting sys...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/56A61B6/03
CPCA61B17/56A61B2017/564A61B2090/3762
Inventor 李松凌佘瑞峰杨代兴徐凤翔彭永杰王安建
Owner MATERIAL INST OF CHINA ACADEMY OF ENG PHYSICS
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