[Reliability Analysis of Wide-Detector CT Equipment Based on Improved FMEA].

Authors

Wenhao Xu, Wei Jin, Shundong Hu

Published in

Zhongguo yi liao qi xie za zhi = Chinese journal of medical instrumentation. Volume 50. Issue 3. Pages 306-310. May 30, 2026.

Abstract

An improved failure mode and effects analysis (FMEA) model is constructed to enhance the accuracy of reliability assessment for wide-detector computed tomography equipment.
A multidisciplinary expert panel is established. A scoring system is used to quantitatively evaluate various potential failure modes, and expert weights are introduced for weighted calculation to achieve objective ranking of risk priority.
The overheating of the X-ray tube and system communication interruption are identified as the highest-risk failure modes. Significant differences in equipment reliability under different clinical usage patterns are quantitatively revealed.
The improved FMEA method can effectively identify key failure links, providing a reliable basis for formulating differentiated and precise preventive maintenance strategies, which is helpful for ensuring the continuous and stable operation of equipment.

PMID:
42338371
Bibliographic data and abstract were imported from PubMed on 24 Jun 2026.

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