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포장재에 따른 멸균품의 유효기간에 관한 연구

Study on the Shelf Life of Sterilized Products according to Packaging Materia

임상간호연구 2019년 25권 3호 p.333 ~ 341
장송자 ( Chang Song-Ja ) - 삼성서울병원

정정희 ( Jeong Jeong-Hee ) - 성균관대학교 임상간호대학원
최경미 ( Choi Kyoung-Mi ) - 삼성서울병원
김미영 ( Kim Mi-Young ) - 삼성서울병원
박주희 ( Park Joo-Hee ) - 삼성서울병원
정나연 ( Jeong Na-Yeon ) - 삼성서울병원

Abstract


Purpose: The purpose of this study was to determine the most appropriate shelf life for sterilized products according to their packaging material.

Methods: Samples were prepared to target six nursing units in one general hospital in Seoul. After steam and E.O gas sterilization, sterilized product, samples were supplied to wards. Data collection was conducted for 3 months, after the expiration date of 3 months had passed for samples packaged with crepe paper and nonwoven wraps. For samples packaged with paper-plastic pouches, data collection conducted for 3 months when the expiration date of 9 months had passed. The sterilized products were collected and tested for microbial contamination. Identification of the storage environment was done as samples were collected.

Results: This study confirmed that the storage environment met international standards such as CDC, except for temperature. For steam sterilized crepe paper packaging samples and steam and E.O gas sterilized for nonwoven packaging samples no contamination in all products was found for 3 months past the expiration date. However, in the E.O gas sterilized paper-plastic pouch packaging sterile samples, Gram-positive bacilli were detected in one sample from a surgical intensive care unit at 45 weeks and another sample from an operating room at 47 weeks. Furthermore, the results did not show any microorganisms for up to 52 weeks in all products.

Conclusion: According to the results of this study, sterilized product packaging made with crepe paper and nonwoven wraps is better able an extended shelf life from 3 months to 6 months, reducing unnecessary costs.

키워드

포장재; 멸균; 유효기간
Packaging Materials; Sterilization;, Shelf Life
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