11.7 Friction and wear testing of articular cartilage in a unicondylar knee hemiarthroplasty using a pendulum friction simulator
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چکیده
منابع مشابه
Friction measurement in a hip wear simulator.
A torque measurement system was added to a widely used hip wear simulator, the biaxial rocking motion device. With the rotary transducer, the frictional torque about the drive axis of the biaxial rocking motion mechanism was measured. The principle of measuring the torque about the vertical axis above the prosthetic joint, used earlier in commercial biaxial rocking motion simulators, was shown ...
متن کاملAn In-vitro Investigation of Wear and Friction between a Bi-phasic Biomaterial and Articular Cartilage
BI-PHASIC BIOMATERIAL AND ARTICULAR CARTILAGE E.Northwood , R.Kowalski and J.Fisher * Institute of Medical and Biological Engineering, University of Leeds, Leeds, UK. +** DePuy CMW, Cornford Rd, Blackpool, England Email: [email protected] INTRODUCTION Natural articular cartilage has a unique biphasic lubrication regime [1]. Internal interstitial fluid pressure [2, 3] leads to low levels of fr...
متن کاملthe measurement of rabbit’s knee friction with a pendulum friction tester
objective: to investigate the friction of rabbit’s knee joint with designed pendulum friction tester to diagnose and evaluate different pathological and therapeutic conditions following haemarthrosis, osteoarthritis, and other joint disorders. materials and methods: friction coefficient of 10 adult male albino rabbit’s joint (5 right and 5 left knees) weighted 1.59 ± 0.27 kg, after designing a...
متن کاملA hybrid apparatus for friction and accelerated wear testing of total knee replacement bearing materials
The statistical survivorship of total knee replacement (TKR) devices declines dramatically after fifteen years of use because the articulating surfaces wear, and biologically active wear particles may induce osteolysis and subsequent loosening of the implant. This lack of durability leads to revision surgery or surgery postponement. Thus, friction and wear evaluation is of primary concern when ...
متن کاملStick-slip friction and wear of articular joints.
Stick-slip friction was observed in articular cartilage under certain loading and sliding conditions and systematically studied. Using the Surface Forces Apparatus, we show that stick-slip friction can induce permanent morphological changes (a change in the roughness indicative of wear/damage) in cartilage surfaces, even under mild loading and sliding conditions. The different load and speed re...
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ژورنال
عنوان ژورنال: Osteoarthritis and Cartilage
سال: 2007
ISSN: 1063-4584
DOI: 10.1016/s1063-4584(07)61292-8