关键词: 眼科学, 显微器械, 清洗剂, 硅油, 清洗效果检测

Abstract:

Objective To explore the optimum cleaning methods and effective evaluating approaches for silicone oil-attached ophthalmic surgical instruments. Methods 400 pieces of silicone oil-attached ophthalmic surgical instruments were randomly allocated into 4 groups,namely group A,group B,group C and group D. The standard cleaning method was used in group A;alkaline detergent immersion and standard cleaning method were used in group B;pretreatment detergent immersion and standard cleaning method were used in group C;Group D received 95% alcohol wet gauze wiping combined with pretreatment detergent immersion and standard cleaning method. The effects of 4 cleaning methods on silicone oil-attached ophthalmic surgical instruments were evaluated by 3 approaches including visual inspection,touching and water-hanging method. Results The comparison of cleaning methods shows that there were significant differences in qualified rates of silicone oil-attached ophthalmic surgical instruments among the 4 cleaning methods（P<0.001）. The qualified rate of the cleaning method of 95% alcohol wet gauze wiping combined with pretreatment detergent immersion and standard cleaning method is the highest. The results of the 3 evaluation approaches for this cleaning method were as following,the qualified rate of visual comparison method with 98%,touching method with 100%,and water-hanging method with 97%. According to the comparison of evaluation approaches,the average implementation time of the water-hanging method is the shortest（10.1 s/piece）. Conclusion The cleaning method of 95% alcohol wet gauze wiping combined with pretreatment detergent immersion and standard cleaning method is recommended. Moreover,the water-hanging method is suggested to be used as an approach for the detection of silicone oil residue after cleaning.

Key words: Ophthalmology, Microsurgical Instrument, Detergent, Silicone Oil, Monitoring of Cleaning Quality