Article(id=1156911431930171816, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1156911423029863120, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1753758779747, onlineDateStr=2025-07-29, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753758779747, onlineIssueDateStr=2025-07-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753758779747, creator=13701087609, updateTime=1753758779747, updator=13701087609, issue=Issue{id=1156911423029863120, tenantId=1146029695717560320, journalId=1146119944283992078, year='2024', volume='2', issue='9', pageStart='1', pageEnd='168', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=0, articleOrder=1, issueType=-1, specialIssue=null, createTime=1753758777625, creator=13701087609, updateTime=1753785186254, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1157022188915216503, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1156911423029863120, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1157022188915216504, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1156911423029863120, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=23, endPage=26, ext={EN=ArticleExt(id=1156911432945193404, articleId=1156911431930171816, tenantId=1146029695717560320, journalId=1146119944283992078, language=EN, title=Application and improvement of fault diagnosis technology in medical equipment testing, columnId=1156641065621906129, journalTitle=Laboratory Testing, columnName=Innovative Applications, runingTitle=null, highlight=null, articleAbstract=
Objective To study and improve medical equipment fault diagnosis techniques by utilizing system state detection methods to quickly and accurately diagnose faults in medical equipment without schematics, thereby enhancing the efficiency and accuracy of equipment maintenance. Methods This study employed the system state detection method, using online testers and digital oscilloscopes to establish a system state database for the equipment. The study involved 20 common medical devices from a hospital, including blood oxygen monitors and laminar flow fan frequency converters. When equipment failures occurred, traditional fault localization methods were first used to narrow the fault range to the board level. Subsequently, online testers and digital oscilloscopes were used for component comparison testing, combined with previous successful cases for fault diagnosis. Results Among the 20 medical devices, 18 were successfully diagnosed and repaired, achieving a fault diagnosis accuracy rate of 90%. Specific cases included successfully eliminating ADC chip faults in the PM9000 monitor's blood oxygen board and E2PROM faults in the laminar flow fan frequency converter. By establishing a system state database and case database, the efficiency of equipment fault diagnosis was significantly improved, with the average diagnosis time reduced by 30%. Conclusion System state detection can effectively enhance the accuracy of medical equipment fault diagnosis and should be further promoted to optimize maintenance management.
, correspAuthors=Hua-Dong SUN, authorNote=null, correspAuthorsNote=
*SUN Hua-Dong, Master, Engineer, No. 11 Jianshe South Road, Lunan District, Tangshan 063000, China. E-mail:
shdhuadong@163.com, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Hua-Dong SUN), CN=ArticleExt(id=1156911433343652292, articleId=1156911431930171816, tenantId=1146029695717560320, journalId=1146119944283992078, language=CN, title=医疗设备检测中故障诊断技术的应用与改进, columnId=1151957373175820401, journalTitle=实验室检测, columnName=创新应用, runingTitle=null, highlight=null, articleAbstract=
目的 研究并改进医疗设备故障诊断技术,通过系统状态检测方法在无图纸条件下快速、准确地诊断医疗设备故障,以提高医疗设备的维修效率和准确性。方法 本研究采用系统状态检测法,利用在线测试仪和数字示波器等工具建立设备的系统状态库。研究对象包括某医院的20 台常见医疗设备,涵盖血氧监护仪、层流风机变频器等。在设备出现故障时,首先使用传统的故障定位方法将故障范围缩小到板级,然后利用在线测试仪和数字示波器对元器件进行比对测试,并结合既往成功案例进行故障诊断。结果 在20 台医疗设备中,成功诊断并修复了18 台设备的故障,故障诊断的准确率达到90%。具体案例包括成功排除了PM9000 监护仪血氧板的ADC 芯片故障和层流风机变频器的E2PROM 故障。通过建立的系统状态库和案例库,显著提高了设备故障诊断的效率,诊断时间平均减少了30%。结论 系统状态检测法能有效提高医疗设备故障诊断准确性,应进一步推广以优化维修管理。
, correspAuthors=孙化冬, authorNote=null, correspAuthorsNote=
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孙化冬,硕士,中级工程师,研究方向:医学物理。
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孙化冬,硕士,中级工程师,研究方向:医学物理。
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2023 . 12 ): 142 - 148 ., articleTitle=基于SF。气体的高压断路器运行状态在线监测系统设计, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1156911443095409223, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156911431930171816, xref=null, ext=[AuthorCompanyExt(id=1156911443099603528, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156911431930171816, companyId=1156911443095409223, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Radiation Therapy Department Tangshan Nanhu Hospital Tangshan 063000 063000 China), AuthorCompanyExt(id=1156911443107992137, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156911431930171816, companyId=1156911443095409223, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=唐山南湖医院 放射治疗科 唐山 063000)])], figs=[ArticleFig(id=1156911448170517174, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156911431930171816, language=EN, label=Table 1, caption=
Comparison of the general data between the observed and control groups, figureFileSmall=null, figureFileBig=null, tableContent=
| 类别/组别 | 例数 | 年龄(岁) | 设备类型(台) |
| 观察组 | 10 | 45.2±6.1 | 20 |
| 对照组 | 10 | ${46.8}\pm {5.9}$ | 20 |
| $t$ 值 | -0.672 | - | - |
| $P$ 值 | 0.507 | - | - |
), ArticleFig(id=1156911448258597561, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156911431930171816, language=CN, label=表 1, caption=
观察组和对照组的一般资料比较, figureFileSmall=null, figureFileBig=null, tableContent=
| 类别/组别 | 例数 | 年龄(岁) | 设备类型(台) |
| 观察组 | 10 | 45.2±6.1 | 20 |
| 对照组 | 10 | ${46.8}\pm {5.9}$ | 20 |
| $t$ 值 | -0.672 | - | - |
| $P$ 值 | 0.507 | - | - |
), ArticleFig(id=1156911448346677947, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156911431930171816, language=EN, label=Table 2, caption=
Comparison of the fault diagnosis accuracy between the observation group and the control group, figureFileSmall=null, figureFileBig=null, tableContent=
| 类别/组别 | 例数 | 故障诊断准确率(%) |
| 观察组 | 10 | 90 |
| 对照组 | 10 | 70 |
| ${\chi }^{2}$ 值 | 4.00 | - |
| $P$ 值 | 0.046 | - |
), ArticleFig(id=1156911448430564028, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156911431930171816, language=CN, label=表 2, caption=
观察组和对照组的故障诊断准确率比较, figureFileSmall=null, figureFileBig=null, tableContent=
| 类别/组别 | 例数 | 故障诊断准确率(%) |
| 观察组 | 10 | 90 |
| 对照组 | 10 | 70 |
| ${\chi }^{2}$ 值 | 4.00 | - |
| $P$ 值 | 0.046 | - |
), ArticleFig(id=1156911448497672893, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156911431930171816, language=EN, label=Table 3, caption=
Comparison of the troubleshooting time between the observation group and the control groups, figureFileSmall=null, figureFileBig=null, tableContent=
| 类别/组别 | 例数 | 故障诊断时间(分钟) |
| 观察组 | 10 | ${45.6}\pm {8.3}$ |
| 对照组 | 10 | ${65.4}\pm {10.1}$ |
| $t$ 值 | -4.661 | - |
| $P$ 值 | <0.001 | - |
), ArticleFig(id=1156911448560587454, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156911431930171816, language=CN, label=表 3, caption=
观察组和对照组的故障诊断时间比较, figureFileSmall=null, figureFileBig=null, tableContent=
| 类别/组别 | 例数 | 故障诊断时间(分钟) |
| 观察组 | 10 | ${45.6}\pm {8.3}$ |
| 对照组 | 10 | ${65.4}\pm {10.1}$ |
| $t$ 值 | -4.661 | - |
| $P$ 值 | <0.001 | - |
), ArticleFig(id=1156911448610919103, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156911431930171816, language=EN, label=Table 4, caption=
Comparison of maintenance efficiency between the observation group and the control group, figureFileSmall=null, figureFileBig=null, tableContent=
| 类别/组别 | 例数 | 平均维修时间(小时) | 维修成功率(%) |
| 观察组 | 10 | ${2.5}\pm {0.8}$ | 95 |
| 对照组 | 10 | ${3.8}\pm {1.1}$ | 85 |
| $t$ 值 | -3.195 | 2.57 | - |
| $P$ 值 | 0.004 | 0.036 | - |
), ArticleFig(id=1156911448648667840, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156911431930171816, language=CN, label=表 4, caption=
观察组和对照组的维修效率比较, figureFileSmall=null, figureFileBig=null, tableContent=
| 类别/组别 | 例数 | 平均维修时间(小时) | 维修成功率(%) |
| 观察组 | 10 | ${2.5}\pm {0.8}$ | 95 |
| 对照组 | 10 | ${3.8}\pm {1.1}$ | 85 |
| $t$ 值 | -3.195 | 2.57 | - |
| $P$ 值 | 0.004 | 0.036 | - |
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