• Title/Summary/Keyword: Usage status

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A Study on Safety and Performance Evaluation of Smart All-in-one Cardiopulmonary Assist Device (스마트올인원 심폐순환보조장치의 안전성 및 성능평가에 관한 연구)

  • Park, Junhyun;Ho, YeJi;Lee, Yerim;Lee, Duck Hee;Choi, Jaesoon
    • Journal of Biomedical Engineering Research
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    • v.40 no.5
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    • pp.197-205
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    • 2019
  • The existing Extracorporeal membrane oxygenation(ECMO) and Cardiopulmonary bypass system(CPB) have been developed and applied to various devices according to their respective indications. However, due to the complicated configuration and difficult usage method, it causes inconvenience to users and there is a risk of an accident. Therefore, smart all-in-one cardiopulmonary circulation device is being developed recently. The smart all-in-one cardiopulmonary assist device consists of a blood pump for cardiopulmonary bypass, a blood oxidizer for cardiopulmonary bypass, a blood circuit for cardiopulmonary bypass, and an artificial cardiopulmonary device. It is an integrated cardiopulmonary bypass device that can be used for a variety of purposes such as emergency, intraoperative, post-operative intensive care, and long-term cardiopulmonary assist, combined with CPB used in open heart surgery and ECMO used when patient's cardiopulmonary function does not work normally. The smart all-in-one cardiopulmonary assist device does not exist as a standard and international standard applicable to advanced medical devices. Therefore, in this study, we will refer to the International Standard for Blood Components, the International Standard for Blood, the Guideline for Blood Products, and prepare applicable performance and safety guidelines to help quality control of medical devices, and contribute to the improvement of the health of people. The guideline, which is the result of conducted a survey of the method of safety and performance test, is based on the principle of all-in-one cardiopulmonary aiding device, related domestic foreign standards, the status of domestic and foreign patents, related literature, blood pump(ISO 18242), blood oxygenator (ISO 7199), and blood circuit (ISO 15676) for cardiopulmonary bypass.The items on blood safety are as follows: American Society for Testing and Materials ASTM F1841-97R17), and in the 2010 Food and Drug Administration's Safety Assessment Guidelines for Medical Assisted Circulatory Devices. In addition, after reviewing the guidelines drawn up through expert consultation bodies including manufacturers / importers, testing inspectors, academia, etc. the final guideline was established through revision and supplementation process. Therefore, we propose guidelines for evaluating the safety and performance of smart all-in-one cardiopulmonary assist devices in line with growing technology.

Evaluation of Drug Information for Acquisition Methods and Risk of Drug Misuse in Korean Students (한국 초.중.고.대학생들에서 약물정보습득의 방법 및 약물오남용의 위험성에 대한 평가)

  • Kim, Jin Sik;Lee, Ok Sang;Lim, Sung Cil
    • YAKHAK HOEJI
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    • v.57 no.1
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    • pp.55-62
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    • 2013
  • Objective: This study aims to assess the following issues - acquisition level in terms of the information on frequently used drugs of youth, access paths for the information, actual status of the use of drugs frequently used by youth, types of the used drugs, drug abuse among youth, and the consequent drawbacks. This study also takes aims at suggestion of correct role of pharmacists in consideration of drug abuse among youth. Methods: During the period from August 1, 2011 to October 31, 2012, a research design and a question development have been conducted. To the students of the schools that were randomly selected (elementary school's N=99, middle school's N=106, high school's N=115 and university's N=115), it was asked to complete given questionnaire from August 1, 2012 to August 31, 2012. During the period from September 1, 2012 to October 30, 2012, the questionnaires were collected back and the analysis and evaluation of them were carried out. Results: Drugs known to the respondents were a total of 115 different medicines and most of the drugs belonged to over-the-counter drugs. The most well known drug was pain reliever and the second most familiar drug was wound ointment. Most of the respondents found the drugs through direct use and advertisement. In everyday life, more than half of the respondents were using over-the-counter drugs as well as health supplements. The most commonly used drug was analgesic drug. It was showed that the respondents also frequently used the drugs for improving their grades and appearances. It was shown that among the cases of drug use, there were also the cases of misuse and abuse of drugs for the respondents or people around them. Reliability of pharmacists was shown to be high and many students were also satisfied with the pharmacists' guidance for medication. Conclusion: Currently many students are using different kinds of drug in daily life, and there is a possibility that the risk of misuse and abuse of drugs will be increased. Those age groups can easily engage in bad habit of drug use. Thus, promotion on accurate drug information has to be strengthened, and pharmacists are required to conduct correct guidance for drug user's medication in terms of use amount, usage, interactions among different drugs, and potential risks.

Influencing Factors to Enrollment in Private Health Insurance and Medical Use by Life Cycle : Analysis of 2016-2019 Korea Welfare Panel (생애주기별 민간의료보험 가입 영향 요인 및 의료이용 행태 : 2016~2019년 한국복지패널자료를 사용하여)

  • Kim, Ji-On
    • Journal of Convergence for Information Technology
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    • v.11 no.10
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    • pp.194-204
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    • 2021
  • This study was conducted to find out the status and factors of private health insurance subscriptions by life cycle and to identify differences in medical usage behavior by life cycle. Using the SPSS 26 program as the 12th-15th (2016-2019) data of the Korea Welfare Panel, the difference subscriptions was identified as Chi-square by demo social and health characteristics of 58,223 people, and the factors affecting subscription were analyzed by polynomial logistic analysis and average analysis was performed for medical use behavior. As a result of the analysis, the biggest factor in purchasing private health insurance was household income, private health insurance coverage is the highest in growth period, and multiple subscriptions were made depending on household income. In youth, household income, spouse, and no disability, and middle age, household income, economic activities, spouses, and health levels were largely influential factors. The rate of private health insurance coverage in old age was the lowest, and low-income households, poor health levels, and people with disabilities were lower. The increase in medical use by private health insurance subscribers also occurred during growth and youth. It is necessary to strengthen the national health insurance coverage, and the role of private health insurance to supplement it should be established in time for the life cycle to complement each other, eliminating blind spots of medical security and maximizing people's health and well-being.

Energy Consumption Characteristics and Policy Directions According to Apartment Complex Type in Incheon Metropolitan City (초고층과 일반 아파트 단지의 에너지 소비 특성과 정책방향 연구 - 인천지역 아파트 단지의 전기 및 가스 사용량을 중심으로)

  • Rhee, Bum-Hun;Chang, Dong-Min
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.20 no.3
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    • pp.285-290
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    • 2019
  • This study aims to compare the energy consumption characteristics of high-rise and general apartments and propose policy implications in Incheon City where high-rise apartments are planned. The method of analysis is to select the cases, to conduct field survey, drawing review, analysis of Electric Architectural administration Information System. The study derived the current status of energy consumption in high-rise and general apartment complexes located in the same region, Yeonsu-gu Incheon City, and performed comparative analysis on their characteristics. First, electrical energy in the high-rise apartment complexes was consumed excessively, by 1.63 to 2.5 times more than that of the general apartment complexes. Second, the gas energy usage in the high-rise apartment complexes was higher than that of the general complexes, by 1.09 to 1.2 times. Third, the energy consumption per unit area in the high-rises was also higher, by 1.042 to 1.3 times. As individual elements such as incomes, living standards, and life patterns of the residents affect energy consumption, the high-rise apartment complex consumed more energy per unit area than the general apartment complex did. However, this study did not consider the elements of energy expenditure and satisfaction level, which are the limitations of this research.

User-Centered Service Design Research on Shared Vehicle for Camping (캠핑용 공유 차량 사용자 중심 서비스 디자인 연구)

  • Hur, Hyun-Woo
    • The Journal of the Korea Contents Association
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    • v.19 no.8
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    • pp.473-482
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    • 2019
  • People's leisure activities have increased due to changes in perception of social life. Camping cars are becoming popular due to the development of camping culture and traveling. However, there are not many users compared to the population of the camper due to the difficulty of economy and usability. Making it not easy to purchase or rent a camping car. Therefore, this study researches on camping service by combining shared services. It is aimed to provide a user centered camping shared service considering usage and economic efficiency. This study analyzed the concept, characteristics and current status of shared service and camping car with reference to domestic, overseas literature and internet data to provide basic data of camping car using shared service. In addition, through case study of shared vehicles, it is possible to grasp the current market. Integrate P2P, B2C, renting company and individuals to derive the design of A2P (All to People)service which connects and shares all. The user can have its own space available at the desired place and time. This study is a camping or unique mobile space service design that can be easily experienced in everyday life. It will reduce the strain of maintaining expenses and also process of pick up, return is freely making user-centered service design. This service design will lead to a diverse range of leisure activities and contribute to the upsweep of the camper industry.

A Study on Marine Accident Ontology Development and Data Management: Based on a Situation Report Analysis of Southwest Coast Marine Accidents in Korea (해양사고 온톨로지 구축 및 데이터 관리방안 연구: 서해남부해역 선박사고 상황보고서 분석을 중심으로)

  • Lee, Young Jai;Kang, Seong Kyung;Gu, Ja-Yeong
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.25 no.4
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    • pp.423-432
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    • 2019
  • Along with an increase in marine activities every year, the frequency of marine accidents is on the rise. Accordingly, various research activities and policies for marine safety are being implemented. Despite these efforts, the number of accidents are increasing every year, bringing their effectiveness into question. Preliminary studies relying on annual statistical reports provide precautionary measures for items that stand out significantly, through the comparison of statistical provision items. Since the 2000s, large-scale marine accidents have repeatedly occurred, and case studies have examined the "accident response." Likewise, annual statistics or accident cases are used as core data in policy formulation for domestic maritime safety. However, they are just a summary of post-accident results. In this study, limitations of current marine research and policy are evaluated through a literature review of case studies and analyses of marine accidents. In addition, the ontology of the marine accident information classification system will be revised to improve the current limited usage of the information through an attribute analysis of boating accident status reports and text mining. These aspects consist of the reporter, the report method, the rescue organization, corrective measures, vulnerability of response, payloads, cause of oil spill, damage pattern, and the result of an accident response. These can be used consistently in the future as classified standard terms to collect and utilize information more efficiently. Moreover, the research proposes a data collection and quality assurance method for the practical use of ontology. A clear understanding of the problems presently faced in marine safety will allow "suf icient quality information" to be leveraged for the purpose of conducting various researches and realizing effective policies.

Factors influencing high-caffeine drink intake in adolescents: using data from the 13th(2017) Korea Youth Risk Behavior Online Survey (청소년의 고카페인 음료섭취 영향요인 : 제13차(2017년) 청소년건강행태 온라인조사 통계를 이용하여)

  • Kim, Dong-Ok;Lee, Haejin
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.20 no.8
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    • pp.111-121
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    • 2019
  • This study investigated the status of drinking highly caffeinated beverages by Korean adolescents, and we identified the factors influencing this behavior by Korean adolescents by using statistics from the 13th (2017) Survey on Youth Health Behavior Online Survey. The data was collected from 62,276 middle and high school students and the variables of this study included demographic factors, health behavioral factors, mental health factors and the availability of highly caffeinated beverages. The methods of data analysis included descriptive statistics, Chi-square tests and logistic regression analysis. This study found that the intake rate of highly caffeinated beverages was 1.9% for men and 1.5% for women, and these percentages increased with age (p<0.001). Current smoking and drinking, current drug usage and active people also had high intake of caffeinated beverages (p<0.001). A high level of stress, a low level of subjective sleep satisfaction and a feeling of happiness increased the rate of consuming highly caffeinated beverages. The factors of drinking highly caffeinated beverages were gender, age, smoking, physical activity, drug use, stress level, depression and suicidal ideation. Therefore, continuous discussion is needed to improve both the health behavior and mental health by managing the stress felt by Korean adolescents.

The Articles Related to the Jinjak Process of Gichuk Jinchan Ceremony (1829년 기축진찬의례(己丑進饌儀禮)의 진작(進爵) 기물(器物) 연구)

  • Lee, A-Lum;Lee, Eun-Joo
    • Korean Journal of Heritage: History & Science
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    • v.50 no.4
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    • pp.64-81
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    • 2017
  • Among the royal ceremonies of the Joseon Dynasty era, the articles used in the Jinjak ceremony are symbolic icons of their value during the era. It is very important to identify the purpose of the articles whose usage is ambiguous, by referring to various historical records. Moreover, it should be possible to classify the characteristics and the special context of the article during this process. To accomplish this purpose, I examined the articles related to and used in the processes of Jinjak ceremonies of Outer Jinchan of Myeongjeongjeon and Inner Jinchan of Jagyeongjeon, which are part of the Gichuk Jinchan Ceremony performed in February of the 29th year of King Sunjo. Especially, the definition of Jinjak will not just be limited to the action of offering liquor, but will include the whole series of procedures in offering the liquor. This is because the specific action of offering the liquor expresses cultural concepts and values that have meaning within the historical situation and context in the specific action of offering the liquor. There are three characteristics of the articles related to the Jinjak process of Outer Jinchan and Inner Jinchan of Gichuk Jinchan Ceremony. First, the articles of Jinjak are ranked strictly exactly according to the social status rankings. Second, the Jinjak articles are arranged for their symbolic meanings rather than their purpose. Third, the articles of Jinjak are symbolic icons expressing the values inherent in the process of offering liquor. Recently, there are events reviving the royal court banquet and the increase of interest in the royal culture. It such a situation, the systematic examination of articles of royal court banquets will be a process needed to restore the royal ceremony correctly in the future, and will be the foundation for studying the royal culture of the Joseon dynasty era.

A Study on the Revitalization of Military Libraries (병영도서관 활성화 방안에 관한 연구)

  • Noh, Younghee;Kwak, Woojung
    • Journal of the Korean BIBLIA Society for library and Information Science
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    • v.30 no.3
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    • pp.31-57
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    • 2019
  • This study is to suggest the revitalization plan of military libraries, on the basis of analysis for the military library status and the results of a survey and interview with soldiers and working staff in the military libraries. To this end, first, it analyzes study trends in the operation and revitalization plan of the military libraries based on the preceding research analysis and investigates and analyzes the operation of the military libraries. Second, it identifies problems in the operation of the military libraries by comparing and analyzing between the operation of domestic military libraries and the best cases as well as the operation situation of the overseas military libraries. Third, it suggests the revitalization plan by holistically analyzing the situation and the best cases of the military libraries while finding out the problems through interviews and questionnaires. According to the analysis, first, it is necessary to expand the number of exclusive personnel with librarian qualifications and prepare standards for the placement of librarians. Second, it is necessary to develop online education to provide regular operation education for the personnel of the military libraries. Third, it is necessary to develop common manuals for working staff. Fourth, it is necessary to prepare the plan to expand the preference books of soldiers to increase reading and usage rate of the military libraries. Fifth, it is necessary to construct library space in the form of a book cafe for soldiers' knowledge development and relaxation and to locate the library in a highly accessible place. Lastly, it needs to develop the application of the military library and should lead to high interest in libraries by letting soldiers read books and post book reviews on it after work.

Current status on the modification of the scope for GMO regulation on the gene edited plants with no remnants of inserted foreign DNA fragments (외래 DNA단편이 잔존하지 않는 유전자교정식물에 대한 GMO규제 범위의 제외에 관한 국제 동향)

  • Lee, Shin-Woo
    • Journal of Plant Biotechnology
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    • v.46 no.3
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    • pp.137-142
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    • 2019
  • Gene edited crops can be classified as SDN-1, SDN-2 and SDN-3 group depending on their mutation's range and the usage of donor DNA. The SDN-1 and SDN-2 crops, in particular, could be developed as 100% transgene-free, which do not contain any DNA fragment of the vector or guide RNA used for gene editing such as CRISPR Cas9 system. Therefore, there are no scientific methods available for the detection of these crops and differentiation with the one produced by conventional cross breeding techniques. Additionally, it would be impossible to properly implement the existing GMO regulation law, in particular, the national legislation for "GMO labelling". In this regard, Australia has announced that SDN-1 crops will not be subjected to the existing GMO regulation. Furthermore, Argentina and Brazil have established a new policy that GE crops with no transgene (100% transgene-free crops) should be exempted from the scope of the GMO. In addition, Japan has also announced that "an organism that has no remnants of inserted nucleic acid processed extracellularly is not subjected to the Cartagena Act". It means that SDN-2 crops can also be exempted from the scope of GMO. In this trend, in South Korea, I suggested that gene edited crops with no remnants of inserted foreign DNA fragments should be excluded from the existing GMO regulation. Thus, I expect that diverse elite crop lines should be developed by using advanced gene editing technologies