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수술 중 X-ray 검사 시 Cassette Draping에 대한 고찰
김건영(Keon Young Kim),김상현(Sang Hyun Kim),최성철(Sung Cheol Choi),김형철(Hyung Cheol Kim) 대한영상의학기술학회 2010 대한영상의학기술학회 논문지 Vol.2010 No.-
Purpose : Review and find solutions to the problems that may occur in an X-ray examination during surgery Materials and methods : On the 21 subject general hospitals having at least 300 patient beds located in Seoul and the Gyeonggi provincial area, we reviewed the status, types and disinfection for cassette draping performed during the intra-operative x-ray examination, and based on the data obtained through the survey, we undertook penetration compression tests on the five fluid types of water, blood, Betadine, alcohol, and normal saline solution. We also tested the bacterial penetration on cassettes through culturing bacteria. Results : Of the 21 hospitals in which we performed tests, 38% of them were using surgical utility drapes, 24% such plastic- based non- penetrative materials as a Mayo stand cover, and 38% the other non-fluid resistant materials including linen, surgical drapes and sterile towel. In the fluid penetration tests, linen, surgical drapes and sterile towel were easily penetrated by fluid sunder compression, while such plastic-based materials as Mayo stand covers were proved non-penetrative. And only 19% of the hospitals were shown tobe undertaking disinfection on a daily basis in the disinfection survey. In the bacterial cultivation tests, we could also witness bacteria penetrate surgical drapes. Conclusion : Though known to have resistance to fluid penetration, utility drapes were penetrated by all types of fluid under compression in fluid penetration tests. Therefore, hospitals need to use the disinfectant plastic-based drapes or disinfected plastics in order to help prevent the risk of strike-through contamination during intra-operative x-ray examinations.
대학가 주변 PC방의 실내 금연법 시행에 따른 PM2.5 농도 평가
이병준 ( Byoung Jun Lee ),이현수 ( Hyun Soo Lee ),이석용 ( Seok Yong Lee ),허정 ( Jung Heo ),정다영 ( Da Young Jung ),권제혁 ( Je Hyeok Gwon ),김건영 ( Keon Young Kim ),심재윤 ( Jae Yoon Shim ),이근창 ( Geun Chang Lee ),양원호 ( 대구가톨릭대학교 자연과학연구소 2014 자연과학연구논문집 Vol.12 No.1
As the National Health Promotion Act was again revised, expanding the coverage of non- smoking areas to include restaurants and Internet Cafe, as well as entertainment venues such as bars and pubs, the purpose of this study was to determine the change in PM2.5 concentrations before and after non-smoking policy was enforced and to evaluate the status of the non-smoking policy on its own. PM2.5 Concentration levels were measured on Internet Cafes (n=12) in Hayangsi using fine-particle direct monitor, from December in 2013 through February in 2014. For accurate measurement of the concentration of PM25, researchers investigated the environmental impacts of each factor in Internet Cafe (block form between Internet Cafe and smoking room, the number of cigarettes and users observed). Measured PM2.5 concentration data were processed and analyzed. When non-smoking policy is not enforced the average indoor and outdoor PM2.5 concentrations were found to be 90.89±64.92 μg/m3 and 26.69±14.51 μg/m3 respectively, otherwise when non-smoking policy is enforced, the average indoor and outdoor PM2.5 concentrations were 77.90±53.67 μg/m3 and 44.77±23.77 μg/m3. Though we found that concentrations were numerically lower than before, the concentration of post results showed no significant difference compared to the previous results.