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Fast CT scanning parameter setting method

A technology of CT scanning and parameters, applied in computerized tomography scanners, echo tomography, etc., can solve problems such as inability to quickly and effectively determine reasonable parameters, increase in patient radiation dose, and excessive equipment loss, so as to reduce loss and protect Healthy, work-efficiency-enhancing effects

Active Publication Date: 2015-04-29
ZHEJIANG MEDICAL COLLEGE
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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the setting of scanning parameters in the current cranial CT examination cannot quick

Method used

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Embodiment 1

[0031] A method for quickly setting CT scanning parameters, the specific steps are as follows:

[0032] (1) Data collection:

[0033] A. Phantom data:

[0034] The experimental phantom is the Shimadzu CT head radiation model ACS.

[0035] The phantom experiment uses Philips Brilliance 16-slice spiral CT, the tube voltage is 120kV, the milliampere second is 50-500, each increase is 15mAs, the slice thickness is 6mm, the slice distance is 6mm, the bed displacement is 24mm, the collimator: 16×1.5mm, The rotation time is 1.5s, the scanning field is 250×250mm, the image reconstruction is a standard algorithm, and the soft tissue window is displayed.

[0036] Place the Shimadzu CT head radiation model ACS on the scanning bedside frame according to the patient's positioning requirements, and fix it left and right with a sponge. The center of the phantom is located in the center of the scanning hole. Scanning plan, use the regular head non-helical mode to make a scan plan. Each mA...

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Abstract

The invention relates to the field of medical detection instruments, in particular to a fast CT scanning parameter setting method which includes: collecting clinical data and die body data, dividing the range of scanning parameters by aid of data analysis and mathematical model building, and finally fast setting the scanning parameters according to the divided range combining the ALARA principle. The fast CT scanning parameter setting method solves the problem of slow scanning parameter setting during skull CT examination using the most possibly reduced radiation dosage on the premise of ensuring image quality, helps operators to fast set scanning parameters, and accordingly improves the practical work efficiency. Furthermore, the fast CT scanning parameter setting method not only improves instrument use ratio but also reduces time cost for the personnel.

Description

technical field [0001] The invention relates to the field of setting of medical detection instruments, in particular to a method for quickly setting CT scanning parameters. Background technique [0002] Head CT is one of the most important and commonly used examinations in the Department of Brain. It is of great significance for the diagnosis of brain diseases such as trauma, tumors, inflammation, vascular lesions, poisoning, and degeneration. CT examination of the brain is a method of examining the brain by CT. Head CT is a new inspection method that is convenient, fast, safe, painless, and non-invasive. It can clearly show the anatomical relationship of different cross-sections of the brain and the specific brain tissue structure. Thus greatly improving the detection rate of lesions and the accuracy of diagnosis. Generally speaking, CT imaging of human hard tissues is better than that of soft tissues. Head CT examination is of great significance for the diagnosis of mos...

Claims

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Application Information

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IPC IPC(8): A61B6/03
Inventor 彭文献
Owner ZHEJIANG MEDICAL COLLEGE
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