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Tesi sul tema "Artificial hip joints"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 21 febbraio 2023

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1

Schumacher, Brian. "An analysis of the femoral head/stem taper lock for orthopaedic prostheses." Thesis, Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/18927.

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2

Walter, William Lindsay School of Biomechanics UNSW. "Severe biomechanical conditions in total hip replacement." Awarded by:University of New South Wales. School of Biomechanics, 2006. http://handle.unsw.edu.au/1959.4/25968.

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Abstract (sommario):

Hip simulators are designed to reproduce the forces and motion patterns of normal walking. In vivo demands on total hip replacements, however, are varied and often more severe than normal walking conditions. It is these severe conditions that often lead to implant failure. This is clinically based research aimed at understanding some of the more severe conditions in hips and the effect that these have on the performance of the total hip replacement. The polyethylene liner can act as a pump in an acetabular component, forcing fluid and wear particles through the holes to the retroacetabular bon

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3

Li, Junyan. "Computational biomechanics/biotribological modelling of natural and artificial hip joints." Thesis, University of Leeds, 2013. http://etheses.whiterose.ac.uk/5500/.

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The excellent hip function and potential degeneration are closely linked with the unique structure of the joint cartilage that is principally composed of a solid phase and a fluid phase. Once damaged, the joint may need to be replaced by prosthesis in order to restore function in hip kinematics and kinetics. However, to what extent this can be achieved has yet to be quantified. On the other hand, the role of fluid pressurisation which plays in hip function has been poorly understood. The aim of this thesis was to address these issues. To evaluate the gait abnormality, particularly in terms of

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4

Kohm, Andrew Christopher. "New techniques for characterization of surface and volumetric wear in total hip athroplasty." Connect to this title online, 2003. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1070378403.

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Thesis (Ph. D.)--Ohio State University, 2003.<br>Title from first page of PDF file. Document formatted into pages; contains xii, 173 p.; also includes graphics Includes bibliographical references (p. 170-173). Available online via OhioLINK's ETD Center

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5

Dyrkacz, Richard Michael Ryan. "Corrosion at the head-neck taper interface of artificial hip joints." Journal of Arthroplasty, 2013. http://hdl.handle.net/1993/30545.

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The aim of this thesis was to determine if the size of the femoral head can influ-ence corrosion at the head-neck taper interface of total hip arthroplasty (THA) prosthe-ses. A hypothesis was developed that large head sizes could result in a greater toggling torque at the head-neck taper interface by increasing the distance between the centre of the femoral head to the centre of the neck taper. This could result in increased micromotion and deteriorate the passive oxide film along the head-neck taper interface; thus, making the taper interface vulnerable to corrosion. A retrieval analysis of

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6

Ramjee, Shatish. "Numerical analysis of lubrication in an artificial hip joint." Pretoria : [s.n.], 2007. http://upetd.up.ac.za/thesis/available/etd-09152008-133304/.

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7

Walker, David. "Wear of alumina-on-alumina hip prostheses : indentation, fatigue." Thesis, The University of Sydney, 1996. https://hdl.handle.net/2123/27592.

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A compressive fatigue testing apparatus was constructed and used to model the wear of alumina-on-alumina hip prostheses via asperity contact. A ball indenter was used to indent flat alumina specimens which has similar mechanical properties, and initial contact stress versus the number of cycles until wear initiation or to gross wear were plotted for two different grainsized aluminas.

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8

Wu, Jun Jie. "The integrity of moulded ultra-high molecular weight polyethylene for joint replacement prostheses." Thesis, University of Oxford, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325574.

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9

Ganguli, Arunima. "The interaction of bisphosphonates in solution and as coatings on hydroxyapatite with osteoblasts and macrophages." Thesis, University of Strathclyde, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.248739.

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10

Miles, Brad. "Reducing the risk of peri-prosthetic femoral fracture : prothesis, patient or procedure?" Phd thesis, Faculty of Engineering and Information Technologies, 2012. http://hdl.handle.net/2123/9987.

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11

Opperman, Tertius. "Tribological evaluation of joint fluid and the development of a synthetic lubricant for use in hip joint simulators." Pretoria : [s.n.], 2004. http://upetd.up.ac.za/thesis/available/etd-07282005-083909.

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12

Bastidos, Amanda Marie. "Failure analysis and materials characterization of hip implants." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2009. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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13

Hustosky, Keith T. "Experimental characterization of the mechanical consequences of a debonded total hip stem with an unsupported distal tip." Morgantown, W. Va. : [West Virginia University Libraries], 2002. http://etd.wvu.edu/templates/showETD.cfm?recnum=2510.

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Abstract (sommario):

Thesis (Ph. D.)--West Virginia University, 2002.<br>Title from document title page. Document formatted into pages; contains xi, 95 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 85-92).

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14

Wang, Allan W. "Femoral bone remodelling following cemented hip arthroplasty in a sheep model /." Title page, contents and abstract only, 1998. http://web4.library.adelaide.edu.au/theses/09PH/09phw2462.pdf.

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15

Önsten, Ingemar. "Fixation of total hip components in rheumatoid arthritis and srthrosis a radiographic, roentgen stereophotogrammetric, densitometric and histomorphometric study /." Lund : Dept. of Orthopaedics, University of Lund, Malmö General Hospital, 1994. http://books.google.com/books?id=mGVsAAAAMAAJ.

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16

Ren, Ying [Verfasser]. "Diamond-like carbon coatings deposited by vacuum arc in artificial hip joints / Ying Ren." Wuppertal : Universitätsbibliothek Wuppertal, 2013. http://d-nb.info/1045118397/34.

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17

Groome, Isabelle Marie-Clement. "Finite element analysis of stress in prosthesis implanted canine femur." Thesis, Georgia Institute of Technology, 1988. http://hdl.handle.net/1853/16990.

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18

Farrar, Richard. "Simulation and analysis of the wear of metal on metal articulations in artificial hip joints." Thesis, University of Leeds, 2001. http://etheses.whiterose.ac.uk/4397/.

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Abstract (sommario):

Metal on metal articulations used in hip joint replacement were demonstratedth rough the 1960's and 70's to perform adequately and comparably to metal on plastic articulations but their use then fell into decline as orthopaedic surgeons preferred metal on polyethylene articulations. However, one of the main causes of failure of prosthetic hip joints was then discovered to be aseptic loosening due to particle induced osteolysis, such particles arising from wear of the prosthetic components, and in particular from polyethylene bearing surfaces. Through the late 1980's and the 1990's the concept

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19

Bruton, Allison Renee. "Manufacturing and performance of titanium dioxide-ultra high molecular weight polyethylene nanocomposite materials." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 175 p, 2007. http://proquest.umi.com/pqdweb?did=1251905071&sid=1&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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20

Meng, Qingen. "Elastohyrodynamic lubrication in metal-on-metal artificial hip joints with aspherical bearing surfaces and complex structures." Thesis, University of Leeds, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.535667.

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21

Park, Hyuen Me (Mia) Park. "Numerical and experimental analysis of stress behavior of plasma-sprayed Bioglass on titanium /." Full text open access at:, 1996. http://content.ohsu.edu/u?/etd,587.

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22

Thyagarajan, Ganesh. "Three-dimensional finite element modeling of total hip arthroplasty--creep under dynamic load." Morgantown, W. Va. : [West Virginia University Libraries], 2001. http://etd.wvu.edu/templates/showETD.cfm?recnum=1934.

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Abstract (sommario):

Thesis (M.S.)--West Virginia University, 2001.<br>Title from document title page. Document formatted into pages; contains ix, 80 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 75-80).

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23

Kinney, Timothy. "A comparison of modeling techniques using the finite element method to determine local displacements in a human hip /." Diss., Columbia, Mo. : University of Missouri-Columbia, 2007. http://hdl.handle.net/10355/5987.

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Thesis (M.S.)--University of Missouri-Columbia, 2007.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on April 14, 2008) Includes bibliographical references.

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24

Spirakis, Athanasios Apostolou. "A qualitative holographic study of hemipelvic and acetabular deformation caused by different hip prostheses." Master's thesis, University of Cape Town, 1989. http://hdl.handle.net/11427/25792.

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Abstract (sommario):

Aseptic loosening of the components is probably the most common long-term complication resulting in failure of Total Hip Arthroplasty. The mechanical behaviour of bone under load is one of the contributory causes of loosening encountered at the prosthesis/cement/bone interface. The present study dealt with a series of invitro experiments conducted on epoxy resin models of human hemi-pelves with different commercially available acetabular components implanted in them. These are used for the construction of simplified models of the artificial hip joint (three-dimensional) and of the prosthesis/c

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25

Burger, Nicolaas Daniel Lombard. "Failure analysis of ultra-high molecular weight polyethyelene acetabular cups." Pretoria : [s.n.], 2005. http://upetd.up.ac.za/thesis/available/etd-12142006-134036.

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26

Brumby, Scott Andrew. "The effect of surface roughness and a collar on fixation of cemented femoral stems in vivo /." Title page, table of contents and summary only, 1996. http://web4.library.adelaide.edu.au/theses/09PH/09phb8934.pdf.

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27

Feldt, Christian E. "Stress shielding minimized in femoral hip implants a finite element model optimized by virtual compatibility." Doctoral diss., University of Central Florida, 2011. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4892.

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Abstract (sommario):

Bone mechanics and traditional implant materials produce a recurring problem for patients of total hip arthroplasty (THA): the bone is "shielded" from the loading it has become accustomed to over many years of development. Bone adheres to what is called "Wolff's Law", meaning it is an adaptive structure which adjusts its geometry based on the loads experienced over its life (Pearson; Goldstein). As the new femoral hip implant transmits reduced stresses to the remaining bone, bone tissue atrophies at the interface, permitting loosening of the implant, pain, and thereby obliging additional surge

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28

Chen, Qing-Li. "Effect of surface topography on hip prosthesis anchorage." Thesis, Queensland University of Technology, 1997.

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29

Watters, Eamon Patrick John. "Wear properties of artificial hip joint materials." Thesis, Queen's University Belfast, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321968.

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30

IWATA, HISASHI, SEIKI IWASADA, KOUICHI KAWAMOTO, TOSHIKI IWASE, and YUKIHARU HASEGAWA. "MACROMOTION OF THE FEMORAL COMPONENT IN ARTIFICIAL HIP JOINT." Nagoya University School of Medicine, 1996. http://hdl.handle.net/2237/16103.

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31

Burgess, Ian C. "Tribological and mechanical properties of compliant bearings for total joint replacements." Thesis, Durham University, 1997. http://etheses.dur.ac.uk/4720/.

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Abstract (sommario):

The tribology of a wide range of designs of compliant layer acetabular cups has been evaluated using a simulator. The simulator applied a dynamic load of 2 kN and a sinusoidal motion of ±25 , and measured the frictional resistance directly. In general the friction developed in these joints was extremely low, with friction factors typically below 0.01. When the experimental results were compared with theoretical estimates of friction a poor correlation was found. Further analysis suggested that the design of compliant layer acetabular cups was insensitive to many of the parameters suggested by

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32

Alfaro, Adrian Jesus. "Early migration and loosening of cemented femoral total hip replacement : an RSA study." Thesis, University of Oxford, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301790.

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33

Liu, Yujing. "Finite element analysis of stress distribution within metal-on-metal joint replacements." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2012. https://ro.ecu.edu.au/theses/471.

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Abstract (sommario):

Demand for joint replacements is rising in Australia, driven by a sharp increase in the number of joint problems associated with population aging and obesity. In artificial joints, delamination or failure within the coatings occurs when the stress reaches a critical level, resulting in large wear debris particles appearing on the contact surface between the head and the cup. The process has been described as due to a stress-corrosion-cracking mechanism. Under the same loading, stress increases when the contact area decreases, which happens in the vicinity of wear debris. As such, once wear deb

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34

Bartošík, Jan. "Vliv velikosti hlavice na procesy tření a mazání v TEP kyčle." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231946.

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This diploma thesis concerns itself with the experimental study of friction and lubrication in the artificial hip joint depending on the head size. Measurements were made in a hip joint simulator based on the principle of pendulum. For the friction measurements artificial joints, made from three material combinations and two diameters, from two companies were used. The measurements show that the material combination has a more significant effect to friction coefficient than the head size. Using a bigger head size shows a decrease in friction coefficient for all material combinations when compa

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35

Švachová, Michaela. "Experimentální analýza utváření mazacího filmu v náhradách kyčelního kloubu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-241180.

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This diploma thesis deals with an experimental analysis of lubricant film formation in hip joint replacements. The main objective is to clarify the effect of mean speed, slide-to-roll ratio, and material of femoral head on the development of film thickness, focusing on the role of particular constituents contained in model synovial fluid, such as albumin and -globulin. For this purpose, a model ball-on-disc configuration was applied, while the development of lubricant film was evaluated using the combination of fluorescent microscopy and optical interferometry. To better understand the process

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36

Balounová, Hana. "Studium tření náhrad kyčelního kloubu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230585.

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Diploma thesis deals with analysis of coefficient of friction in total hip prosthesis for several materials bearing with presence of bovine serum as substitute of synovial fluid occurred in natural joint. Behavior of coefficient of friction is observed on Mini Traction Machine. Results are plotted at graphs representing dependence of coefficient of friction on time. There are described effects of several kinematic conditions, the influence of used material and the effect of the method of contact lubrication. The experiments analyze how the formation of lubricant film with a layer of adsorbed p

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37

Bosák, Dalibor. "Mapování tloušťky mazacího filmu u náhrad velkých kloubů člověka." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230068.

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This master’s thesis describes mechanism of lubricating film forming and its thickness in contact of a metal hip joint ball and a glass disc with chromium layer with presence of bovine serum as substitute of synovial fluid occured in a natural joint. Lubricating film thickness is evaluated by a thin film colorimetric interferometry, results are ploted at graphs representing dependence of lubricating film thickness on experiment duration or on mutual speed of articulating surfaces. There is described the influence of concentration of bovine serum and different kinematic conditions on lubricatin

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38

Žonda, Peter. "Konstrukce simulátoru kyčelního kloubu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-241896.

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The master's thesis is concerned with design and execution of an experimental acetabulofemoral joint simulator. Its primary use is the study of lubrication film thickness in hip implants. The work first describes available hip joint simulators, which simulate particular joint positions. Next, the thesis proposes author’s own designs and solutions. The result is a produced device allowing for dynamic change of load in simulation of hip joint flexion and extension as set by ISO standard. Contact is recorded by an optical apparatus composed of a high-speed camera and a microscope. The work also i

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39

Madsen, Michael S. "The effect of total hip arthroplasty surgical approach on gait kinematics." 2002. http://www.oregonpdf.org.

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40

Wang, Allan W. (Allan Wen Li). "Femoral bone remodelling following cemented hip arthroplasty in a sheep model / Allan W. Wang." 1998. http://hdl.handle.net/2440/19343.

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Abstract (sommario):

Bibliography: leaves 198-219.<br>xii, 219 leaves : ill. (chiefly col.) ; 30 cm.<br>Title page, contents and abstract only. The complete thesis in print form is available from the University Library.<br>Examines the effect of implant design on the femoral bone remodelling response in a sheep cemented hip arthroplasty model. The clinical section of the thesis also indicates the importance of biological factors in the femoral bone remodelling response.<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Orthopaedics and Trauma, 1998

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41

Wang, Allan W. (Allan Wen Li). "Femoral bone remodelling following cemented hip arthroplasty in a sheep model / Allan W. Wang." Thesis, 1998. http://hdl.handle.net/2440/19343.

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Bibliography: leaves 198-219.<br>xii, 219 leaves : ill. (chiefly col.) ; 30 cm.<br>Examines the effect of implant design on the femoral bone remodelling response in a sheep cemented hip arthroplasty model. The clinical section of the thesis also indicates the importance of biological factors in the femoral bone remodelling response.<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Orthopaedics and Trauma, 1998

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42

Brumby, Scott Andrew. "The effect of surface roughness and a collar on fixation of cemented femoral stems in vivo / by Scott Andrew Brumby." Thesis, 1996. http://hdl.handle.net/2440/18921.

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Bibliography: leaves 193-206.<br>xiii, 206 leaves : ill. (chiefly col.) ; 30 cm.<br>This thesis investigates the effect of femoral stem surface roughness and a collar on the fixation of cemented hip hemi-arthroplasty femoral stems in an in vivo sheep model up to nine months following implantation. Plain radiography, micromotion between prosthesis and bone during mechanical testing and histology are used.<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Orthopaedics and Trauma, 1997?

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43

Baloyi, Nkele Martha. "Titanium-Zirconium-Niobium intermetallic composite coatings for orthopaedic applications." 2014. http://encore.tut.ac.za/iii/cpro/DigitalItemViewPage.external?sp=1001501.

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M. Tech. Metallurgical Engineering<br>Ti6Al4V alloy is the leading material for hip replacement because of its biocompatibility, elastic modulus and good yield strength, but shows poor corrosion and wear properties in simulated body fluid. Thin coatings were fabricated on Ti6Al4V alloy using Zirconium, Niobium and Titanium reinforcements with the aid of Nd:YAG Rofin Sinar laser system. Niobium reinforcement produced the best coating that displayed the best corrosion resistance and percentage increase in wear resistance in simulated body fluid as compared to the substrate. Therefore, this coati

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44

Wei, Tzu-Hsaun, and 魏子瑄. "Contact Mechanics and Vibration Analysis of Artificial Hip Joint." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/89349108713838558796.

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碩士<br>國立高雄應用科技大學<br>機械與精密工程研究所<br>103<br>Total hip arthroplasty is one of the most successful and highest capable rate surgery in Taiwan in the past ten years. By total hip arthroplasty, patients replace the painful and functionless hip with hip endoprosthesis system and return to everyday activities. The influence of modal’s parameters on contact force and penetration depth in most of literatures which concern contact-impact modal of hip arthroplasty only show the tendency of the parameters. For the concrete value of the parameters, we use the analysis of variance to get the influence degree

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45

Ramjee, Shatish. "Numerical analysis of lubrication in an artificial hip joint." Diss., 2008. http://hdl.handle.net/2263/27954.

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The ageing population has become more active and live longer, these patients require hip replacement surgery at a younger age. Artificial hip implants, consisting of the acetabular cup and femoral head, affect the lives of many people, and the longevity of these implants pose significant concerns (rarely longer than 17 years). To help understand the lubricating performance of such a system, a hip joint model was built based on the Reynolds equation; the model developed simulated hydrodynamic lubrication. A steady-state angular rotation model was built whereby it was concluded that such motion

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46

Wei, Chih-Chang, and 魏志漳. "INVESTING THE INTERFACE OF THE ARTIFICAL HIP JOINT." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/09600023593028106010.

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碩士<br>元智大學<br>管理碩士在職專班<br>104<br>The market of artificial joint continues to expand as the increasing global aging, rapid economic growth in the emerging countries, and the trend of health reform policies to increase the medical care coverage. The quality of life is greatly influenced by the joint disease and lesion, and the function of joint need to be restored by the total joint replacement. The complexity and variety of biological condition makes the implantation of artificial joint a great challenge, such as eliminate the rejection, restore the movement of the joint, and the long duration

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47

Kuo, Tsun-En, and 郭存恩. "The finite element study of contact behavior of the artificial hip joint." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/16799717978141555955.

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碩士<br>國立中興大學<br>機械工程學系所<br>96<br>In general, having used for some period, the gap between femoral head and the acetabular cup is increased and the gait analysis may loss its significance. This research mainly focuses on the application of the finite element analysis with Hertz contact theorem and discusses the destruction situation of artificial hip joint between stem and acetabular cup under the gravity loads. The stem with bone cement and cortical bone contact one another and contact elements are applied. It includes the derivation of gravity loads due to separation of stem and acetabular cu

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48

Lei, Jeen-Bon, and 雷震邦. "Analysis the Biocompatibilities and Mechanical Properites of TPU/HA Composited Artificial Hip Joint." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/16232388285360975258.

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碩士<br>中山醫學大學<br>醫學研究所<br>102<br>The implantation of Artificial Hip Joints (AHJ) that made by metallic material is the main stream of orthopedic surgery. Due to metallic implant devices have large elastic modulus, therefore, they produce Stress Shielding Effect and results in most of the metallic implants loosen in femur shaft. Not only aseptic loosening may be occurred after long-term usage of the metallic implants, but also metallic implants release metal particles and ions to human body that may induce inflammation. To avoid such adverse responses, AHJ made by selected non-metallic material

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49

Bai, Yu-Wei, and 白譽瑋. "Investigation on the effect of the Cement/Stem interface characteristics on the mechanical behavior of artificial hip joint." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/57146286530705071839.

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碩士<br>國立勤益科技大學<br>機械工程系<br>99<br>The integrity of the cemented fixation interface is responsible for the long-term longevity of prostheses used for artificial hip replacement. Metallic stems with roughened surfaces are considered to provide stronger adhesion with cement. However, clinical studies have reported that roughened stems show a lower survival rate than polished stems. Therefore, this study was conducted to investigate the mechanical effect of stem surface finish in cemented hip replacement. To accomplish this, a series of cement/metal specimens were tested under different loading con

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