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| Study on the Quality Control and Radiation Protection for Medical Diagnostic X-ray Machines in Nanchang |
| CHENG Wen-juan, GUO Ling-ling, FENG Xiao-wu, JIN Li |
| Nanchang Center for Disease Control and Prevention, Nanchang 330038 China |
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Abstract Objective To investigate and estimate the status of the quality control and radiation protection for medical diagnostic X-ray machines in Nanchang.Methods Quality control inspecting and on-spot radiation protection monitoring were conducted by relative national standard methods.Results The total qualified rate of 50 X-ray machines was 66.0%. The qualified rate of domestic and imported machines was 59.4% and 84.6%. And the qualified rate of city-, county-, township-, private- and the staff hospitals were 77.8%, 85.7%, 0.0%, 64.3% and 73.3% respectively. There were eight main quality control indicators included in this study in which the edges deviation and centres deviation of lighting filed to radiation filed had serious problem. The radiation level of one machine room door point from a township-level hospital in total 324 points exceeded the national standards limit.Conclusion We should strengthen the management of X-ray machines to solve the problem about quality control.
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Received: 11 August 2016
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