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발목 관절 방사선조사의 환자체중과 각도와 상관관계 연구
지연상 ( Youn Sang Ji ),김창복 ( Chang Bok Kim ),박용순 ( Yong Soon Park ),동경래 ( Kyung Rae Dong ),정재은 ( Jae Eun Jung ) 조선대학교 공학기술연구원 2012 공학기술논문지 Vol.5 No.1
In our body ankle joint is injured due to sports, trauma and sprain, so accurate images are necessary to examine the malleolar articular surface, the internal part of ankle and calcaneal joints. Ankle study is performed usually by using Mortis View taking at 10°, 15°, 20° and 25° during oblique projection. The ankle joint cavity of underweight and normal weight patients was observed to b opened well average at 20° and that of overweight was done at 25°. Because, a slight change of angle cavity from 10 to 25° could cause the angle injury. However, angle position could be maintained easily by using an immobilization de ice. Therefore, body weight is a critical factor in the change of angle and an immobilization device is considered useful for the assessment of angle joint images.
방사선과 촬영 실습실에서의 피폭선량 저감대책에 관한 연구
지연상 ( Youn Sang Ji ),김창복 ( Chang Bok Kim ),박용순 ( Yong Soon Park ),동경래 ( Kyung Rae Dong ),정재은 ( Jae Eun Jung ) 조선대학교 공학기술연구원 2012 공학기술논문지 Vol.5 No.1
This study serves as the overall controlling aim of radiation safety for the students in the department of radiology. An X-ray radiation is a form of ionization radiation that is potentially very hazardous. Thus, it is very important to be careful when using an X- ray instrument. In comparison of the radiation dose in Digital radiography (DR), Computer radiography (CR) and General radiography (GR) rooms, the radiation dose was higher in the order of DR, CR and GR rooms. Also, the distance from a radiation generator, the size of a room, the opening or closing of a door and change of the exposure radiation dose are the important factors that could be dangerous. Therefore, for the protection shielding apron should be used. This practice is strongly recommended for the students.