Model for calculating and evaluating eye crystal dosage

一种模型、晶体的技术,应用在计算机辅助医疗程序、医学模拟、设计优化/仿真等方向,能够解决眼剂量计算模型没有得到细致深入地研究和开发、剂量高估等问题,达到完善精细计算的效果

Pending Publication Date: 2021-01-22
CHINA INST FOR RADIATION PROTECTION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the voxel model has made great progress compared with the MIRD model, the eye has a certain fine structure, but because the volume of the voxel is too large compared with the lens and other eye tissues, it will lead to an overestimation of the dose
Therefore, the eye dose calculation model has not been carefully and deeply researched and developed for a long time.

Method used

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Embodiment Construction

[0023]Such asFigure 1 to Figure 3 As shown, a model for the calculation and evaluation of the dose of eye lens includes a head model 1 and an eyeball model 2. There are two eye socket models 3 on the head model 1 for placing the left and right eyeball models 2, respectively, The head model 1 consists of an external soft tissue model 11, a skull model 12, and an internal soft tissue model 13 from the outside to the inside. The external soft tissue model 11 represents the skin, the skull model 12 represents the skull, and the internal soft tissue model 13 represents the internal tissue of the skull;

[0024]Eyeball model 2 includes eyelid model 21, cornea model 22, anterior chamber model 23, lens model 24, vitreous body model 25, retina model 26, choroid model 27 and sclera model 28; head model 1 and eyeball model 2 are equipped with protective equipment 4 and Radiation dosimeter.

[0025]Among them, the main function of the head model 1 is to realize the scattering and absorption of radiat...

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PUM

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Abstract

The invention relates to a model for calculating and evaluating eye crystal dosage. The model comprises a head model and eyeball models, two eye socket models are arranged on the head model and used for respectively placing a left eyeball model and a right eyeball model, and the head model sequentially comprises an external soft tissue model, a skull model and an internal soft tissue model from outside to inside. The external soft tissue model represents a skin, the skull model represents a skull, and the internal soft tissue model represents a skull internal tissue; each eyeball model comprises an eyelid model, a cornea model, an anterior chamber model, a crystalline lens model, a vitreous body model, a retina model, a choroid model and a sclera model; the head model and the eyeball models are provided with protective devices and radiation dosimeters. The eyeball model has a detailed anatomical structure, the size of the eyeball model is equivalent to the size of a real eyeball, the density and the element proportion of each tissue are derived from medical data, and fine calculation of the eye crystal dosage, radiation risk evaluation and radiation protection optimization work canbe further perfected.

Description

Technical field[0001]The invention relates to the field of ionizing radiation dose and protection, in particular to a model for calculation and evaluation of the dose of eye lens.Background technique[0002]The lens (lens) is a biconvex transparent tissue, which is one of the important refractive interstitials in the eyeball, and is also a sensitive tissue for ionizing radiation. When it receives a single large dose or multiple small doses of radiation, it will cause radiation damage and cause lens disease, the formation of lens turbidity, and more severely will develop into cataracts.[0003]In order to prevent the risk of overexposure, both international and domestic regulations have set corresponding eye lens dose limits. Recently, international authoritative organizations (such as the International Atomic Energy Organization IAEA and the International Commission for Radiological Protection ICRP) have significantly reduced the annual dose limit for ocular lens occupational exposure, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G16H50/50G06F30/10G06F30/20
CPCG16H50/50G06F30/10G06F30/20
Inventor 刘立业卫晓峰李晓敦曹勤剑肖运实熊万春赵原金成赫夏三强汪屿赵日刘一聪潘红娟焦岩
Owner CHINA INST FOR RADIATION PROTECTION
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