Zhongguo yi liao qi xie za zhi = Chinese journal of medical instrumentation · 2026
[Research on the Optimization of Fixed-Term Scrapping System for Medical Equipment: Taking Defibrillators as an Example].
Аннотация на английскомСтатьяНазвание и аннотация: Перевод в очереди
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Xie Siyuan, Feng Nanxin, Fan Litian, Liu Qilin
Аннотация
OBJECTIVE: To address the prevalent issue of resource waste caused by the "fixed-term scrapping" policy in medical device management, this study aims to establish a scientific residual value evaluation system based on real-world data (RWD). The goal is to provide theoretical and empirical evidence for optimizing medical resource allocation and breaking the traditional rigid age-based mandatory retirement model.
METHODS: Defibrillators, a typical category of emergency equipment in a large tertiary Grade A hospital, were selected as the pilot sample. A technical evaluation model incorporating the Process Capability Index ( C p k ) and a health economic evaluation model based on the replacement cost method were constructed. A retrospective analysis was conducted on 191 valid quality control records from 85 in-use devices to quantitatively evaluate the actual performance status and potential economic value of devices serving beyond their recommended lifespan.
RESULTS: Empirical analysis demonstrated no significant linear correlation between the service life of defibrillators and their core performance. Under standardized maintenance, 37.6% of the devices that had served for over 12 years still exhibited excellent process capability ( C p k > 1 . 33 ). Implementing a condition-based service life management strategy for this specific category of equipment alone could theoretically save the hospital approximately ¥ 1 , 152 , 000 in replacement costs.
CONCLUSION: The current fixed-term scrapping system for medical equipment poses a significant risk of resource misallocation. This study validates the effectiveness of a dual-dimensional (technical and economic) evaluation model in identifying the residual value of equipment. It is suggested that medical institutions implement classified management based on device characteristics-establishing a hierarchical life-extension management catalog based on the C p k index-to achieve refined fixed assets management and significant cost efficiency while ensuring medical safety.
METHODS: Defibrillators, a typical category of emergency equipment in a large tertiary Grade A hospital, were selected as the pilot sample. A technical evaluation model incorporating the Process Capability Index ( C p k ) and a health economic evaluation model based on the replacement cost method were constructed. A retrospective analysis was conducted on 191 valid quality control records from 85 in-use devices to quantitatively evaluate the actual performance status and potential economic value of devices serving beyond their recommended lifespan.
RESULTS: Empirical analysis demonstrated no significant linear correlation between the service life of defibrillators and their core performance. Under standardized maintenance, 37.6% of the devices that had served for over 12 years still exhibited excellent process capability ( C p k > 1 . 33 ). Implementing a condition-based service life management strategy for this specific category of equipment alone could theoretically save the hospital approximately ¥ 1 , 152 , 000 in replacement costs.
CONCLUSION: The current fixed-term scrapping system for medical equipment poses a significant risk of resource misallocation. This study validates the effectiveness of a dual-dimensional (technical and economic) evaluation model in identifying the residual value of equipment. It is suggested that medical institutions implement classified management based on device characteristics-establishing a hierarchical life-extension management catalog based on the C p k index-to achieve refined fixed assets management and significant cost efficiency while ensuring medical safety.