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Showing 1 to 20 of 32 for “"Bone Cement"”.
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The bone cement implantation syndrome - epidemiology, pathophysiology and prevention
Bone cementation implantation syndrome (BCIS) has significant morbidity and mortality for patients who are undergoing cemented hip hemiarthroplasty or arthroplasty. The aim of this thesis is to contribute with information of the epidemiological parameters of BCIS and identify risk factors. In …
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Characterization and computational modelling of acrylic bone cement polymerisation
Total joint replacement is one of the most successful surgical procedures and is a proven treatment for arthritis. Despite low failure rates, the wide application of the treatment means that large numbers of prostheses fail and must be revised. Improved pre-clinical testing methods for these …
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Improving the mechanical integrity of the bone cement mantle
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1993.
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Strength and ingrowth aspects of porous acrylic bone cement: an experimental study of possible applications of porous acrylic bone cement in total hip replacement
Contains fulltext : mmubn000001_026917157.pdf (Publisher’s version ) (Open Access)
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Improving Bioactivity and the Anti-Bacterial Properties of Two-Solution Bone Cement Containing Cross-Linked Polymethylmethacrylate (PMMA) Nanospheres (η-TSBC)
<p>The high viscosity standard two-solution bone cements (STSBC) developed in our laboratory exhibits several advantages over other commercial powder-liquid cement formulations. However, the high monomer concentration, viscosity, and exothermal temperature are considered a major limitation to the …
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ΚΡΙΤΗΡΙΑ ΙΞΩΔΟΕΛΑΣΤΙΚΗΣ ΣΥΖΕΥΞΗΣ ΜΑΚΡΩΝ ΟΣΤΩΝ ΚΑΙ ΟΣΤΙΚΟΥ ΤΣΙΜΕΝΤΟΥ
THE REPORTED FAILURE OF ENDOPROSTHESES, WHERE BONE CEMENT IS USED, IS A RESULT OF A SERIES OF INTERACTIONS BETWEEN BIOLOGICAL AND MECHANICAL FACTORS. A FACTORWHICH PLAYS A SIGNIFICANT ROLE IN THE DEVELOPMENT AND PROPAGATION OF MICROCRACKS, BETWEEN BONE AND BONE-CEMENT, IS THE UNSUITABLE MATCHING OF …
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Effect of Vertebroplasty with Bone Filler Device and Comparison with Balloon Kyphoplasty
… cost. PURPOSE: To analyze vertebroplasty with a bone filler device compared with conventional kyphoplasty. STUDY DESIGN: A cross-sectional study for comparison of two operation groups. PATIENT SAMPLE: Two-hundred twenty-two patients treated from January 2008 to October 2012 OUTCOME MEASURES: …
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The Study of Initiation Systems and Formulations for the Development of a Novel Silorane Biomaterial
… are approximately one million hip and knee replacements each year in the United States alone and over 70% are cemented for stabilization. The number of these replacements is expected to rise to 3.5 million per year by 2030 and result in an estimated several fold increase of the current global …
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The use of 3D surface analysis techniques to investigate the wear of matt surface finish femoral stems in total hip replacement
Total hip replacement is one of the most common surgical procedures carried out both in the UK and Worldwide. With an increasing number of younger patients undergoing the procedure, there is an emphasis on increasing the longevity of prostheses. The following reports on a number of component …
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Drug eluting prosthetic joints through drug cluster morphology control
More than one million joint replacements are performed in the USA annually. However, around 10 % of patients require revision surgery within 10 years with prosthetic joint infections (PJI) as a common reason. PJI has a recurrence rate of 16 %, a mortality rate of 2.5 %, and end-stage treatments …
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Knöcherne Integration und Biokompatibilität eines neuen resorbierbaren Polymers zur Schraubenaugmentation im osteoporotischen Knochen
Bone integration and biocompatibility of a new bioresorbable polymer for screw augmentation in the osteosynthesis of osteoporotic cancellous bone: The surgical treatment of an osteoporosis-associated fracture is a clinically relevant problem, which yet has no satisfactory solution. The fixation of …
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Finite Element Analysis Of A Test Specimen For Strength Of A Co-polymer Layer At A Bone-implant Interface
… can be applied as an interfacial layer between bone cement and steel implants to improve their performance and life. Finite element (FE) analysis techniques are used to assess the behavior of the interface layer under static and dynamic loading conditions. The material property of the co-polymer …
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Entwicklung und Erprobung eines porösen TiO 2-Glas-Verbundes als Knochenersatz
… application of a porous TiO2/glass composite as bone graft processing technology, biocompatibility and biofunctionality need to be evaluated. After preparing the moulding mass by coating of the pore-donating perlite glass granules ceramic shaping is performed by cold pressing. Extrusion and cold …
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In-vivo-Testung eines neuartigen BMP-2/TCP-Composite
The aim of the study was to determine bone-regenerative effects of an in situ setting tricalcium phosphate (TCP) cement combined with rhBMP-2 and to compare it with autologous bone graft. A trepanation defect of 1.5 mm in the femur diaphysis of Sprague-Dawley rats was filled with TCP cement …
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Development of clinical assessment strategies for patients undergoing total hip arthroplasty (THA)
… In the surgery the head and neck of the femur bone are replaced with a prosthesis whose ball-like head fits into a cup that is inserted into the acetabulum. There are basically two implant technologies being used in the operation, either bone cement is used to fix the prosthesis into the femur …
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The Design and analysis of a HA/PLA pedicle screw for spinal fusion
… is emerging as a viable absorbing material for bone fixation devices with good biological response; however there have been no optimization studies for its use and practicality as a lumbar pedicle screw. In addition to the lack of pedicle applications for the material, there are no FEA studies …
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Investigation of layered calcium phosphates and related materials for Biomaterial applications
… as a component of a calcium phosphate bone cement system, whereby, the inclusion of this amine intercalated MCPM species had a potentially useful retarding effect upon the setting of the cement. Layered calcium pyrophosphates were investigated due to their similar lamellar structure and …
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Nanolayer multi-agent scaled delivery from implant surface
… medicine is the ability to create a stable bone-materials interface with an implant, particularly when faced with the difficult condition of bone infection. Only recently have we come to understand the significance of addressing infection during the bone wound healing process; however, to …
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