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Cement Type 맞춤형 인공고관절의 설계 변수 변화에 따른 Cement 두께 변화와 이에 대한 응력 분석
박흥석,전흥재,윤인찬,이문규,서덕찬,최귀원,Park, Heung-Seok,Chun, Heoung-Jae,Youn, In-Chan,Lee, Moon-Kyu,Seo, Duck-Chan,Choi, Kui-Won 대한의용생체공학회 2006 의공학회지 Vol.27 No.6
The choice of suitable hip implant is one of important factors in the total hip arthroplasty (THA). In clinical view point, an improper adaptation of hip implant might induce abnormal stress distribution to the bone, which can shorten the lifespan of replaced hip implant. Currently, interest in the custom-designed hip implants has increased as studies reveal the significance of geometric shape of patient's femur in modeling and designing the implants. In this study, we have developed custom-designed hip implant models with various sizes, and analyzed the stress distribution in the bone and bone cement using the Finite Element Method. It was found that minimizing the gap between implant stem and femoral cavity is crucial to minimize the stress concentration in the bone.