Research on Volume RAD technique and dose control methods
10.3969/J.ISSN.1672-8270.2014.05.017
- VernacularTitle:Volume RAD成像操作技术与剂量控制方法
- Author:
Yun ZHOU
- Publication Type:Journal Article
- Keywords:
Volume RAD imaging;
Operation technique;
Radiation dose
- From:
China Medical Equipment
2014;(5):46-47,48
- CountryChina
- Language:Chinese
-
Abstract:
Objective: Three dimensional X-ray imaging by Volume RAD, familiar with the operation method, a reasonable set of parametersin time, improve the technology efficiency at the same time, the control of possible ways to reduce the radiation dose. Methods: The 168 cases of patients with Volume RAD examination were divided into low, middle, high dose group, dose ratio was 5:10:15; respectively to examine patient’s chest, head, cervical spine, pelvis and knee joints, observe its effect. To track acquisition and scanning sampling, analyze of experiment and the effect. Results:The experimental results show, small lung nodules and trabecular bone dose, high dose group in the image quality is better than the dose than the low dose group, the display image quality, no significant difference between the 3 groups. Conclusion:After a time exposure capture can be parallel to the image surface of the detector series, was displayed in thecomplex structure and the overlapping parts of the details. But its operations are complex, need the exposure dose on dozens of times, how to control the exposure time and dose, which needs further research to select the best dose control scheme.
