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The Study of Wear of Artificial Hip Joints
|關鍵字:||Artificial Hip Joints;人工髖關節;Acetabular Cup;Liner;Wear Volume;髖臼杯;內襯;磨耗體積||出版社:||機械工程學系所||引用:||參考文獻  裕強集團, http://www.eupl.com.tw/  江清泉, 骨科病案討論集, 台大醫學院, 2007  聯合骨材, http://www.eupl.com.tw/  Dorr LD, Luckett M, Conaty JP, “Total hip arthroplastic patients younger than 45 years. A nine to ten-year follow-up study,” ClinOrthop Relat 1990;260:215-219.  Ritter MA, Helphinstine J, Keating EM, Faris PM, Meding JB, “Total hip arthoplasty in patients with osteonecrosis,” Clin Orthop Relat 1997;338:94-99.  胡懿郃, 謝傑, 雷光華, 朱勇, 李康華, 廖前德, “人工髖關節置換術後翻修的原因及治療要點,” 中國現代醫學雜誌, 第十五卷第 十八期, 2005  陳威明, “淺談人工髖關節置換術,” 榮總人第十二券第十一期, 1996  Sochart DH, “Relationship of acetabular wear to osteolysis and loosening in total hip arthroplasty,” Clin Orthop Relat 1999;363:135-150.  Mckellop HA, Campbell P, Park SH, “The origin of submicron polyethylene wear debris in total hip arthroplasty,” Clin Orthop Relat, 1995;311:3-20.  Sychterz CJ, Moon KH, Hashimoto Y, Terefenko KM, Engh CA, Jr., Bauer TW, “Wear of polyethylene cups in total hip arthroplasty. A study of specimens retrieved post mortem,” J Bone Joint Surg [Am]1996;78:1193-200.  Livermore J, Ilstrup D, Morrey B, “Effect of femoral head size on wear of the polyethylene acetabular component,” J Bone Joint Surg [Am] 1990;72:518-28.  Ilchmann T, Mjoberg B, Wingstrand H, “Measurement accuracy in acetabular cup wear. Three retrospective methods compared with Roentgen stereophotogrammetry,” J Arthroplasty 1995;10:636-42.  Martell JM, Leopold SS, Liu X, “The effect of joint loading on acetabular wear measurement in total hip arthroplasty,” J Arthroplasty 2000;15:512-8.  Hernandez JR, Keating EM, Faris PM, et al, “Polyethylene wear in uncemented acetabular components,” J Bone Joint Surg [Am] 1988;70:257-67.  Chen JH, Wu JSS, “Measurement of polyethylene wear: a new three-dimensional methodology,” Comput Meth Prog Bio 2002;68(2):117-27.  Charnley J, Kamangar A, Longfield MD, “The optimum size of prosthetic heads in relation to the wear of plastic sockets in total replacement of the hip,” Med Bio Eng 1969;7:31-9.  Derbyshire B, “The estimation of acetabular cup wear volume from two-dimensional measurements: a comprehensive analysis,” Proc Inst Mech Eng 1998;212:281-91.  Hall RM, Unsworth A, Craig PS, Hardaker C, Siney P, Wroblewske BM, “Measurement of wear in retrieved acetabular sockets,” Proc Inst Mech Eng 1995;209:233-42.  Kabo JM, Gebhard JS, Loren G. Amstutz HC, “In vivo wear of polyethylene acetabular components,” J Bone Joint Surg [Br] 1993;75:254-8.  Kosak R, Antolic V, Pavlovcic V, Kralj-Iglic V, Milosev I, Vidmar G, Iglic A, “Polyethylene wear in total hip prostheses: the influence of direction of linear wear on volumetric wear determined from radiographic data,” Skeletal Radiol 2003;32:679-86.  Mizoue T, Yamamoto K, Masaoka T, Imakiire A, Akagi M, Clarke IC, “Validation of acetabular cup wear volume based on direct and two-dimensional measurements: hip simulator analysis,” J Orthop Sci 2003;8:491-9.  Sychterz CJ, Moon KH, Hashimoto Y, Terefenko KM, Engh CA, Jr., Bauer TW, “Wear of polyethylene cups in total hip arthroplasty. A study of specimens retrieved post mortem,” J Bone Joint Surg [Am]1996;78:1193-200.  Ilchmann T, Reimold M, Muller–Schauenburg W, “Estimation of the wear volume after total hip replacement.A simple access to geometrical concepts,” Med Eng & Phy 2008;30:373–379  http://www.hsinlung.com/page03.htm  Wu JSS, Lin HC, Hung JP, Chen JH, “Effects of bone mineral fraction and volume fraction on mechanical properties of cortical bone,” J Med Biol Engng 2006;26(1):1-7.  Robert H. Perry, Don WG, Perry''s Chemical engineers'' handbook.New York :McGraw-Hill, 1984||摘要:||
The artificial hip joints in the use of a period of time, the acetabular cup appears penetration phenomenon. The relative movement between the femoral head and the acetabular cup may generate friction and material particles from wear are thus produced. These particles are formed as osteolysis and may cause artifical hip joint loosening, etc. The total volume of wear particles would be the less the better. Therefore, understanding of the wear volume/direction/depth becomes important.
In the study, calculation of two types of liner wear types based on the direction of liner wear and wear depth of the changes are studied. Mathematical models in terms of vector integral to calculate the liner wear volume is derived first. Then, using SolidWorks software to construct three-dimensional model is introduced. Finally, experiment with real subjects with entity models is preformed to verify formulas derived in the study. The results have shown that in the two types of the liner wears, the wear volume equivalent to the movement of the femoral head of the femoral head multiplied by the cross-sectional area in the front side significantly. The liner of different sizes in the same direction of the wear depth, the larger size of cups may have larger volume of wear.
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