Axisymmetric finite element analysis of a debonded total hip stem with an unsupported distal tip

被引：0
|
作者：
Norman, T.L. [1 ]
Saligrama, V.C. [1 ]
Hustosky, K.T. [1 ]
Gruen, T.A. [2 ]
Blaha, J.D. [2 ]
机构：
[1] Depts. Mech. Aerosp. Eng. O., Musculoskeletal Research Center, West Virginia University, P.O. Box 9196, Morgantown, WV 26506-9196, United States
[2] Department of Orthopedics, Musculoskeletal Research Center, West Virginia University, P.O. Box 9196, Morgantown, WV 26506-9196, United States
来源：
Journal of Biomechanical Engineering | 1996年 / 118卷 / 03期
关键词：
Bone cement - Creep - Finite element method - Friction - Interfaces (materials) - Joints (anatomy) - Loads (forces) - Stress relaxation - Stresses - Viscoelasticity;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A tapered femoral total hip stem with a debonded stem-cement interface and an unsupported distal tip subjected to constant axial load was evaluated using two-dimensional axisymmetric finite element analysis. The analysis was performed to test if the mechanical condition suggest that a 'tapper-lock' with a debonded viscoelastic bone cement might be an alternative approach to cement fixation of stem type cemented hip prosthesis. Effect of stem-cement interface conditions (bonded, debonded with and without friction) and viscoelastic response (creep and relaxation) of acrylic bone cement on cement mantle stresses and axial displacement of the stem was also investigated.
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页码：399 / 404
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