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CT 常见故障解决方案与预防措施

Solutions and Preventive Measures for CT Common Faults

机械研究 / 2020,2(2)：37-42 / 2020-06-16 1513 2593

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• 作者： 胡可     
• 单位：

  甘肃省人民医院设备管理处，兰州

• 关键词： CT；故障；措施；预防
• CT; Failure; Measures; Prevention
• 摘要： 目的：研究探讨 CT 的常见可能发生的故障以及相应的解决方案、预 防措施，为 CT 的临床使用与维修提供理论参考依据。方法：对笔者近年来所 遇的 CT 故障资料进行研究分析，总结常见故障发生部位，分析常见故障发生 原因，给出常见故障解决方法。结果：常见故障包括：CT 球管故障、准直器故 障、滑环系统故障、高压系统故障等。导致故障发生的原因有许多、一般包括 转动零件卡住、失灵；长期使用后仪器有磨损、导致精确度不高，部件松动、 断裂、弯曲；由于仪器结构紧凑、工作电流较大、电压较高、因此气电故障也 常发生；软件被破坏导致 CT 机无法正常工作。突然断电、人为损坏、长久损耗、 维修不及时都可能导致 CT 机器发生故障。结论：CT 机故障时有发生，不同品 牌、不同型号的 CT 仪器可能发生不同的仪器故障。采取下列预防措施可以有效降低 CT 机故障发生概率：工作人员要学会正确判断 CT 机发生故障的原因， 及时采取有效的处理措施。要对敏感部件时常清理保养、对易损部件定时检查、 发现损耗严重者及时更换。注意 CT 机工作环境、保证良好的湿度、温度。
• Objective: To study the common faults of CT and the corresponding solutions and preventive measures, so as to provide theoretical reference for the clinical use and maintenance of CT. Methods: To study and analyze the CT failure data in recent years, summarize the common failure positions, analyze the causes of common failures, and provide solutions to common failures. Results: common faults include: CT ball tube fault, collimator fault, slip ring system fault, high pressure system fault, etc. There are many reasons for the failure, generally including the seizure and failure of rotating parts; after long-term use, the instrument is worn, resulting in low accuracy, loose parts, fracture and bending; due to the compact structure, large working current and high voltage of the instrument, the gas electric failure often occurs; the software is damaged, resulting in the CT machine can not work normally. Sudden power failure, man-made damage, long-term loss and untimely maintenance may cause CT machine failure. Conclusion: CT machine failure often occurs, different brands and models of CT instruments may have different instrument failure. The following preventive measures can effectively reduce the probability of CT machine failure: staff should learn to correctly determine the cause of CT machine failure, and take effective measures in time. The sensitive parts shall be cleaned and maintained frequently, the vulnerable parts shall be inspected regularly, and those with serious loss shall be replaced in time. Pay attention to the working environment of CT machine and ensure good humidity and temperature.
• DOI： https://doi.org/10.35534/mr.0202006c
• 引用：

  胡可．CT 常见故障解决方案与预防措施［J］．机械研究，2020，2（2）：37-42．

  https://doi.org/10.35534/mr.0202006c