不同清洗方法对PMMA骨水泥附着的骨科外来医疗器械清洗对比研究

doi:10.20223/j.cnki.1000-8535.2025.06.015

广州医药 ›› 2025, Vol. 56 ›› Issue (6): 819-823.DOI: 10.20223/j.cnki.1000-8535.2025.06.015

不同清洗方法对PMMA骨水泥附着的骨科外来医疗器械清洗对比研究

石宇¹, 曾秀月², 杜中和¹, 杨苏谊¹

1 暨南大学附属第五医院消毒供应中心（广东河源 517000）;
2 暨南大学附属第一医院消毒供应中心（广东广州 510630）

收稿日期:2024-09-10 发布日期:2025-07-23
通讯作者: 曾秀月,E-mail：zmonna@126.com
基金资助:
河源市社会发展科技计划项目（河科社农社发2023076）

A comparative study on the cleaning of external orthopedic medical devices contaminated with PMMA bone cement using different cleaning methods

SHI Yu¹, ZENG Xiuyue², DU Zhonghe¹, YANG Suyi¹

1 Central Sterile Supply Department,the Fifth Affiliated Hospital of Jinan University,Heyuan 517000,China;
2 Central Sterile Supply Department,the First Affiliated Hospital of Jinan University,Guangzhou 510630,China

Received:2024-09-10 Published:2025-07-23

摘要/Abstract

摘要： 目的探讨不同清洗方法对聚甲基丙烯酸甲酯（PMMA）骨水泥附着的骨科外来医疗器械清洗效果。方法以河源地区某三级医院消毒供应中心2023年7—12月同型号PMMA骨水泥术后附着的215件骨科外来医疗器械为研究对象,所有器械均为不锈钢材质,表面光滑,无明显磨损,利用随机数字表将其分为对照组与观察组。对照组（107件）采用常规预处理后清洗消毒器清洗,观察组（108件）预处理采用95%乙醇浸泡15 min后联合快干增亮剂清洗消毒器清洗。比较两种不同清洗方法的清洗效果。结果观察组的器械清洗消毒后更加光滑且清洁,对照组的器械表面有部分磨损且仍存在一定程度的残留物。采用10倍光源放大镜清洁度检查,对照组清洗合格100件,清洗合格率为93.5%;观察组清洗合格108件,清洗合格率为100%。采用杰力试纸法检测,观察组清洗合格率为100%,对照组清洗合格率为94.4%,采用快速检测三磷酸腺苷（ATP）生物荧光法检查,观察组清洗合格率为99.1%,对照组清洗合格率为93.5%,观察组的清洗合格率高于对照组,差异有统计学意义（P<0.05）。结论 PMMA骨水泥附着的骨科外来医疗器械采用95%乙醇浸泡15 min后联合快干增亮剂和清洗消毒器可以提高清洗合格率以及外来器械再处理技术的安全性,为安全质量管理提供了有利依据。该技术适合推广使用,能有效排除医疗隐患,确保医疗安全。

关键词: PMMA骨水泥, 骨科外来医疗器械, 清洗质量

Abstract: Objective To compare the cleaning effects of different methods on external orthopedic medical devices contaminated with PMMA bone cement. Methods A total of 215 external orthopedic medical devices contaminated with PMMA bone cement were selected from the disinfection supply center of a tertiary hospital in Heyuan from July to December 2023．All devices were made of stainless steel,with smooth surfaces and no significant abrasion．The devices were randomly divided into control group and observation group using a random number table．The control group（107 devices）was cleaned using conventional pre-treatment followed by a cleaning and disinfection machine．The observation group（108 devices）was pre-treated by soaking in 95% medical ethanol for 15 minutes,followed by cleaning with a quick-drying brightener and a cleaning and disinfection machine．The cleaning effects of the two methods were compared．Results The study showed that the devices in the observation group were smoother and cleaner after cleaning and disinfection,while the devices in the control group had some abrasion and residual contaminants．Using a 10 x magnifying glass to check cleanliness,the control group had 107 devices passed the cleaning test,with a pass rate of 93.5%,while the observation group had 108 devices passed,with a pass rate of 100%．Using the Geri test paper method,the observation group had a cleaning pass rate of 100%,and the control group had a pass rate of 94.4%．Using the ATP bioluminescence method,the observation group had a cleaning pass rate of 99.1%,and the control group had a pass rate of 93.5%．The cleaning pass rate of the observation group was higher than that of the control group,with a statistically significant difference（P<0.05）．Conclusions Soaking external orthopedic medical devices contaminated with PMMA bone cement in 95% medical ethanol for 15 minutes,followed by cleaning with a quick-drying brightener and a cleaning and disinfection machine,can improve the cleaning pass rate and enhance the safety of reprocessing external devices．This technique provides a strong basis for safety and quality management,is suitable for widespread use,which effectively eliminates medical hazards,and ensures medical safety．

Key words: PMMA bone cement, external orthopedic medical devices, cleaning quality

石宇, 曾秀月, 杜中和, 杨苏谊. 不同清洗方法对PMMA骨水泥附着的骨科外来医疗器械清洗对比研究[J]. 广州医药, 2025, 56(6): 819-823.

SHI Yu, ZENG Xiuyue, DU Zhonghe, YANG Suyi. A comparative study on the cleaning of external orthopedic medical devices contaminated with PMMA bone cement using different cleaning methods[J]. Guangzhou Medical Journal, 2025, 56(6): 819-823.

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不同清洗方法对PMMA骨水泥附着的骨科外来医疗器械清洗对比研究

A comparative study on the cleaning of external orthopedic medical devices contaminated with PMMA bone cement using different cleaning methods

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