診断用X線装置の故障実態

概要

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We have made bills about repairing our X-ray apparatuses and made notebooks for writing their conditions down. Then, we investigated them for last one year (from Nov. 1974 to Oct. 1975) and we got the numbe of troubles and of exchanged parts. The results are as follows : 1. The frequency of troubles of our X-ray apparatuses is 98 times a year; once per 3.7 days. 2. The number of exchanged parts amounted to 131. About half of them were relays, diodes and microswitches. We take this phenomenon as a matter of course because these parts are used in the the X-ray apparatuse so many. 3. The apparatus which became out of order most frequently was the one in the Xray-room No.8. It went wrong 26 times a year, that is, it didn't work for about a month during the past one year. 4. As for the systems of the X-ray apparatuses, the one which became out of order most frequently was the cassette changing system. It went wrong 24 times a year. The next one was the low-voltage system. The third one was the fluoroscopic or roentgenographic table and the high-voltage system was the forth. The troubles of the apparatuses are unavoidable, but we knew they had often occurred owing to a trifling one. It is important to check the apparatuses every day and keep them work good.
公益社団法人日本放射線技術学会の論文
1976-07-01