Effect of porous coating and loading conditions on total hip femoral stem stability

被引：24

作者：

Biegler, FB ^{[1
]}

Reuben, JD ^{[1
]}

Harrigan, TP ^{[1
]}

Hou, FJ ^{[1
]}

Akin, JE ^{[1
]}

机构：

[1] UNIV TEXAS,SCH MED,DEPT ORTHOPAED SURG,HOUSTON,TX

来源：

JOURNAL OF ARTHROPLASTY | 1995年 / 10卷 / 06期

关键词：

total hip arthroplasty prosthesis; stability; contact; finite-element analysis;

D O I：

10.1016/S0883-5403(05)80084-1

中图分类号：

R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学（修复外科学）];

学科分类号：

摘要：

An examination of femoral bone-prosthesis interface behavior under different load types is undertaken using finite-element analysis. Three-dimensional finite-element models are made of two designs of hip prostheses after implantation in a femur. Femoral geometry was determined by computed tomography scans. The models were loaded in one-legged stance and stairclimbing configurations. The implants were modeled as both smooth surfaced and porous coated. The amount of contact and the relative motion between bone and implant were calculated. It is shown that torsional loads such as occur during stairclimbing contribute to larger amounts of implant micromotion than does stance loading. Contact at the bone-prosthesis interface is more dependent on load type than on implant geometry or surface coating type.

引用

页码：839 / 847

页数：9

共 25 条

[1]

Phillips, Messieh, Cementless hip replacement for arthritis, J Bone Joint Surg, 70 B, (1988)

[2]

Burke, O'Connor, Zalenski, Et al., Micromotion of cemented and uncemented femoral components, J Bone Joint Surg, 73 B, (1991)

[3]

Callaghan, Fulghum, Glisson, Stranne, The effect of femoral stem geometry on interface motion in uncemented porous-coated total hip prostheses, J Bone Joint Surg, 74 A, (1992)

[4]

Hua, Walker, Relative motion of hip stems under load, J Bone Joint Surg, 76 A, (1994)

[5]

Phillips, Nguyen, Munro, Loosening of cementless femoral stems: biomechanical analysis of immediate fixation with loading vertical, femur horizontal, J Biomech, 24, (1991)

[6]

Schneider, Eulenberger, Steiner, Et al., Experimental method for the in vitro testing of the initial stability of cementless hip prostheses, J Biomech, 22, (1989)

[7]

Walker, Schneeweis, Murphy, Nelson, Strains and micromotions of press-fit femoral stem prostheses, J Biomech, 20, (1987)

[8]

Crowninshield, Johnston, Andrews, Brand, A biomechanical investigation of the human hip, J Biomech, 11, (1978)

[9]

Andriacchi, Andersson, Fermier, Et al., A study of lower-limb mechanics during stair-climbing, J Bone Joint Surg, 62 A, (1980)

[10]

Hodge, Carlson, Fijan, Et al., Contact pressures from an instrumented hip endoprosthesis, J Bone Joint Surg, 71 A, (1989)

← 1 2 3 →