Hip Implant
Dynamic Fatigue Testing of Customized Hip Implant: A New Experimental Model
... nine hip implant were tested in identical boundary and loading conditions, but the strains developed in nine hip implants are different from each other because of the differences in the geometric ...
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Stabilize machining condition of electrical discharge machining to minimize friction of hip implant
... generation o f MoM failed to severe wear, the second generation exhibits encouraging wear resistance due to development in material choice, design and manufacturing. Wear rate and friction are known as the major concerns ...
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The lubrication performance of the ceramic-on-ceramic hip implant under starved conditions
... (CoC) hip implant in terms of reducing wear and avoiding ...CoC hip implants assumed that synovial fluid was sufficiently supplied to the contact ...CoC hip implant under starved ...CoC ...
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Computational and theoretical contact modelling of hip implant devices with the application of wear simulations
... of hip implant devices have been studied since early implantations and the performance of the devices are becoming increasingly ...patient implant retrievals and following hip simulator ...
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Finite element analysis of sliding distance and contact mechanics of hip implant under dynamic walking conditions
... This is a repository copy of Finite element analysis of sliding distance and contact mechanics of hip implant under dynamic walking conditions.. White Rose Research Online URL for this p[r] ...
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Immune response and innervation signatures in aseptic hip implant loosening
... The crosstalk between inflammation and innervation has been widely investigated in several joint-related dis- orders but not in presence of prostheses [50, 51]. Pre- vious studies have reported sensory and sympathetic ...
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Prospective analysis of human leukocyte functional tests reveals metal sensitivity in patients with hip implant
... that the longer the exposure time to metals was (6 months vs. 36 months), the greater proportion of the cohort was found sensitive (12% vs. 18%). A patient was referred here to be reactive to a metal when all the tests ...
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Effect of friction and clearance on kinematics and contact mechanics of dual mobility hip implant.
... The publisher or other rights-holder may allow further reproduction and re-use of this version - refer to the White Rose Research Online record for this item.. Where records identify the[r] ...
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Novel concept of a modular hip implant could contribute to less implant failure in THA: a hypothesis
... total hip arthro- plasty (THA) is the recovery of normal ...Some hip biomechanical parameters need to be adjusted according to the individual situation ...
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A Contact Model for Establishment of Hip Joint Implant Wear Metrics
... Cobalt-on-Cobalt implant we can use the properties in Table 1 to find E = 62 GPa and H = 700 ...acetabulum implant if one employs dis- similar material, while using similar material, such as Cobalt-Cobalt, ...
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Orthopaedic Implant Selector Expert
... orthopaedic implant for a patient can be complicated and needs experience and comprehensive knowledge of the characteristics of both the patient and the implant ...an implant can lead to early ...
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Design and implementation of flyback converter for electrical discharge machining power generator
... Electrical Discharge Machining process has been widely used for manufacturing micro components due to its contactless process. Its application has also been introduced in machining micro pits on hip ...
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In-depth Oral Presentations, Oral Communications and Round Tables
... Introduction Infection in orthopedic surgery is a dreadful compli- cation. Patients are often subjected to several surgeries with prolonged antibiotic treatment, and the risk of persistent infection and debilitating ...
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Oral Communications
... surgery, it is not easy to assess whether the prosthesis is infected or not even though this may be important for the choice of surgical procedure. Intraoperative frozen section analysis is used in evaluating possible ...
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Metal-on-metal hip resurfacing in patients younger than 50 years: a retrospective analysis
... overall implant survivorship over the 12-year period that encompasses this ...8-year implant survivorship increased from 88 to 99% (log-rank p < ...While implant survivorship in THA is gener- ally ...
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The Effect of Implant Girth and Implant Collar on the Degree of Bone to Implant Contact and Bone Stresses in the Proximal Humerus
... the hip, yet results for the optimal implant type remain unsatisfactory (Al-Dirini, ...the implant collar to the calcar is difficult to achieve in the hip (Demey, Fary, Lustig, Neyret, & ...
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Local and Global Models for Articulated Motion Analysis
... Hip Rotation Θ00 Hip Rotation Θ01 Hip Rotation Θ02 Hip Rotation Θ03 Hip Rotation Θ04 Hip Rotation Θ05 Hip Rotation Θ06 Hip Rotation Θ07 Hip Rotation Θ08 Hip Rotation Θ09 Hip Rotation Θ10[r] ...
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Sealing the bone-implant interface around total hip replacements using guided bone regeneration.
... the implant interface, preclude wear particle induced osteolysis, followed by implant ...total hip prostheses after ten or more ...around hip replacements as presented in humans after five to ...
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Investigation in failure analysis and materials selection in total hip replacement prosthesis
... Page 60 of 86 The first materials selection map on the top of figure 4.1b compares modulus and density of different types of bone and the common used materials. It can be seen clearly that steels have the highest Young’s ...
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Preoperative planning for implant placement with consideration of pelvic tilt in total hip arthroplasty: postoperative efficacy evaluation
... planned values was tolerated. For example, when the cup was intraoperatively placed by press-fit at 17° in- stead of the preoperatively planned cup anteversion of 20°, the error was tolerated. In such cases, the pre- ...
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