지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
The total hip replacement (THR) has been used as the most effective way to restore the function of damaged hip joint. However, various factors have caused some side effects after the THR. Unfortunately, the success of the THR have been decided only by the proficiency of surgeons so far. Hence, It is necessary to find the way to minimize the side effect caused by those factors.The purpose of this study was to suggest the definite data, which can be used to design and choose the optimal hip implant. Using finite element analysis (FEA), the biomechanical condition of bone cement was evaluated. Stress patterns were analyzed in three conditions: cement mantle, procimal femur and stem-cement contact surface. Additionally, micro-motion was analyzed in the stem-cement contact surface. The 3-D femur model was reconstructed from 2-D computerized tomography (CT) images. Raw CT images were preprocessed by image processing technique (i.e. edge detection). In this study, automated edge detection system was created by MATLAB coding for effective and rapid image processing. The 3-D femur model was reconstructed based on anatomical parameters. The stem shape was designed using that parameters.The analysis of the finite element models was performed with the variation of parameters. The biomechanical influence of each parameter was analyzed and derived optimal parameters. Moreover, the results of FEA using commercial stem model (Zimmer’s VerSys) were similar to the results of stem model that was used in this study. Through the study, the improved designs and optimal factors for clinical application were suggested. We expect that the results can suggest solutions to minimize various side effects.
목차
등록된 정보가 없습니다.
참고문헌 (16)
참고문헌 신청
/ 1972 / A new method to analyse the mechanical behavior of skeletal parts / Acta Orthop Scand 43 : 301 ~ 307
A. Sargeant / 2006 / Hip implants:Paper V.Physiological effects / Materials & Design 27 (4) : 287 ~ 307
Amos Race / 2003 / Early cement damage around a femoral stem is concentrated at the cement/bone interface / Journal of Biomechanics 36 (4) : 489 ~ 496
D. Taylor / 2004 / Cavatorta,The effect of stress concentrations on the fracture strength of polymethyl-methacrylate / Materials Science and Engineering A 382 (1-2) : 288 ~
E. Pyburn / 2004 / Effect of geometric parameters in the design of hip implants paper IV / Materials & Design 25 (8) : 715 ~ 722
A. Sargeant / 2006 / Hip implants:Paper V.Physiological effects / Materials & Design 27 (4) : 287 ~ 307
Amos Race / 2003 / Early cement damage around a femoral stem is concentrated at the cement/bone interface / Journal of Biomechanics 36 (4) : 489 ~ 496
D. Taylor / 2004 / Cavatorta,The effect of stress concentrations on the fracture strength of polymethyl-methacrylate / Materials Science and Engineering A 382 (1-2) : 288 ~
E. Pyburn / 2004 / Effect of geometric parameters in the design of hip implants paper IV / Materials & Design 25 (8) : 715 ~ 722
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