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이용경,Lee, Yong-Gyeong 한국정보통신집흥협회 2001 정보화사회 Vol.149 No.-
한통프리텔의 올해 경영목포는 투명한 경영과 도전적인 경영마인드를 바탕으로 ‘초우량 이동통신 기업’으로 도약하는 것이다. IMT2000등 차세대 통신회사를 위해 뛰고 있는 ‘오늘! 이사람’에서 만나본다.
반치환 슬관절의 설계 평가를 위한 굴곡각도에 따른 곡률반경과 접촉응력의 상관도 분석
이용경,유의식,김재원,임도형,정태곤,김정성,Lee, YongKyung,Yoo, OuiSik,Kim, JaeWon,Lim, Dohyung,Jung, TaeGon,Kim, JungSung 대한의용생체공학회 2016 의공학회지 Vol.37 No.6
Conformity between the femoral component and tibial insert within the knee replacement may be measured in frontal or sagittal view, and shows differences in the curvature radius of the femoral component depending on the flexion angle, i.e., curvature radius has a complex effect on contact stress. Therefore, it is essential to confirm how the curvature radius effects contact stress, and provide an important variable to reduce contact stress. This study correlated contact stress with curvature radius measured in frontal and the sagittal views and confirmed the effect of curvature radius for assessment of the Newly Designed Unicompartment Knee Replacement (NDUKR). Finite element models were constructed for NDUKR and $Zimmer^{(R)}$ Unicompartment High Flex Knee Replacement system (ZUKR), incorporating the curvature radius as measured in either frontal or sagittal view. The femoral component had 1200N of compressive load applied approximately 1.65xbody weight. Contact stress was predicted at flexion angles $0^{\circ}C$, $30^{\circ}C$, $60^{\circ}C$, $90^{\circ}C$ and $120^{\circ}C$, for NDUKR: 42, 47.7, 47.7, 51.2, and 54.1 MPa, and ZUKR: 41.2, 49.5, 53.2, 54.3, and 57.4 MPa, respectively. Correlation analysis showed the influence of curvature radius measured from the sagittal view was larger than for frontal view.