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Bone defect quantity evaluation method for bone Bankart injury

A bone defect and bony technology, applied in image data processing, health index calculation, medical informatics, etc., can solve the problems of difficult application, difficult doctor popularization, cumbersome calculation, etc., achieve high versatility, improve diagnosis and treatment efficiency, and operate easy effect

Pending Publication Date: 2021-04-09
ZHONGSHAN TRADITIONAL CHINESE MEDICINE HOSPITAL
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Problems solved by technology

[0004] At present, the measurement and evaluation of the Bankart glenoid defect in bony Bankart injuries are widely used. The most widely recognized methods in the academic circle are the Sugaya method and the pico method, which are the most suitable circle measurement methods based on 3D CT. The two algorithms are similar, but due to the Requires cumbersome calculations and certain software operations, it is difficult to be popularized by doctors, and it is difficult to apply

Method used

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  • Bone defect quantity evaluation method for bone Bankart injury
  • Bone defect quantity evaluation method for bone Bankart injury
  • Bone defect quantity evaluation method for bone Bankart injury

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Embodiment Construction

[0019] Such as figure 1 As shown in , taking a circle with a radius of 4 as an example, divide one half of the circle into 20 equally divided semicircles (that is, take n=40 of the entire equally divided circle).

[0020] Use the Riemann integral algorithm to draw equal circles, and then use Geomagic Design Direct software to create vector graphics. When using it, you only need to intercept the frontal image of the glenoid on the 3D CT image of the patient, and then superimpose the vector graphics on the 3D CT image of the glenoid. The axis of the bisection line of the middle diameter of the circle coincides with the maximum longitudinal axis of the glenoid, and the posterior inferior edge of the glenoid coincides with the ratio card of the bisected circle. To measure the proportion of the defect to the entire glenoid.

[0021] The details are as follows: Assume that there is a line segment QR that divides the area of ​​the semicircle equally, then the area of ​​the semicirc...

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Abstract

The present invention relates to a bone defect amount evaluation method for the bony Bankart injury, wherein the equally-divided circle comparison card is used for being opposite to a CT three-dimensional image of a glenoid cavity of a patient, the number of equally-divided grids occupied by the glenoid cavity bone defect portion on the comparison card is read out, the overall proportion is calculated according to the proportion of each equally-divided grid, and then the bone defect amount can be evaluated conveniently and rapidly. The evaluation method is not limited by human skeleton structure characteristics, a tedious calculation process and a software learning process are omitted, and the clinical diagnosis and treatment efficiency is greatly improved. Besides, the method is simple and convenient to operate and high in accuracy, reliability and universality, provides technical support for preoperative evaluation, and has good clinical popularization and application values.

Description

technical field [0001] The invention relates to a bone defect assessment method based on bony Bankar injury. Background technique [0002] An osseous Bankart lesion, an anterior bony defect of the glenoid, is the separation of the anterior joint capsule and labrum from the glenoid rim. Damage in the form of glenoid rim fractures, joint dislocations, etc. can be referred to as bony Bankart injuries. [0003] At present, there are many treatment options for bony Bankart injury, and the degree of partial bone defect of the glenoid is different, and the treatment methods are also completely different. Therefore, how to accurately judge the degree of Bankart glenoid defect is very important for the diagnosis and classification of bony Bankart injuries and the selection of surgical methods. [0004] At present, the measurement and evaluation of the Bankart glenoid defect in bony Bankart injuries are widely used. The most widely recognized methods in the academic circle are the S...

Claims

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Application Information

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IPC IPC(8): G16H50/30G16H30/20G06T17/00G06T7/181G06T7/62G06T3/40A61B6/03A61B6/00
CPCG16H50/30G16H30/20G06T17/00G06T7/181G06T7/62G06T3/40A61B6/032A61B6/505A61B6/5217G06T2207/10081
Inventor 陈亮高大伟吴宇峰
Owner ZHONGSHAN TRADITIONAL CHINESE MEDICINE HOSPITAL
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