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Three-dimensional determination of femoral-tibial contact positions under in vivo conditions using fluoroscopy.
OBJECTIVE: A method has been developed to accurately measure three-dimensional (3-D) femoral-tibial contact positions of artificial knee implants in vivo from X-ray fluoroscopy images usingExpand
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In Vitro Wear Assessment of the Charité Artificial Disc According to ASTM Recommendations
Study Design. Biomechanical laboratory research. Objective. To evaluate the potential for Ultra High Molecular Weight Polyethylene (UHMWPE) wear debris from the Charité Artificial Disc. Summary ofExpand
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Evaluation of the safety of a novel knee load-bypassing device in a sheep model.
BACKGROUND Unloading treatments for osteoarthritis of the knee, such as valgus braces, have been shown to reduce medial joint-loading and pain. The purpose of this preclinical study was toExpand
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Polyethylene wear on the distal tibial insert surface in total knee arthroplasty
Abstract We studied polyethylene wear damage on articular (superior) and distal (inferior) surfaces of 27 tibial inserts after an average of 50 months in vivo. The damage scoring method overestimatedExpand
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Unloading the osteoarthritic knee with a novel implant system.
Medial knee osteoarthritis (OA) is a common disorder often associated with pathologic joint loading. Insoles, braces, and high tibial osteotomy are OA treatments aimed at reducing medial joint loads,Expand
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The KineSpring® Knee Implant System: an implantable joint-unloading prosthesis for treatment of medial knee osteoarthritis
Symptomatic medial compartment knee osteoarthritis (OA) is the leading cause of musculoskeletal pain and disability in adults. Therapies intended to unload the medial knee compartment have yieldedExpand
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The Clinical Performance of UHMWPE in Shoulder Replacements
Publisher Summary This chapter introduces alternatives to standard contemporary device designs and materials used in shoulder replacement. The shoulder is made up of a number of bones, ligaments, andExpand
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Candida albicans group A-specific soluble antigens demonstrated by quantitative immunoelectrophoresis.
Soluble cytoplasmic extracts of Candida albicans groups A and B were prepared and compared by quantitative immunoelectrophoresis experiments performed with a commercial anti-C. albicans group AExpand
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Severe 'flu'-like symptoms due to isoniazid--a report of three cases.
We present three cases of severe 'flu'-like symptoms in Chinese patients given isoniazid alone. The time course and clinical presentation of these drug reactions were very similar to those observedExpand
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Device-length changes and implant function following surgical implantation of the KineSpring in cadaver knees
Introduction The KineSpring implant system has been shown to provide load reductions at the medial compartment of the knee, and has demonstrated clinical success in reducing pain and increasingExpand
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