Concept

Knee replacement

Related publications (255)

Correlative joint definition for motion analysis and animation

In this paper we address the problem of creating accurate joint models from real motions while allowing scalability. We propose an automatic method to model, scale, and simulate non-idealized joints from the external motion of markers. We demonstrate the m ...

2010

CPG-based prostheses control

Marc Louis

In this thesis we describe a strategy to control robotic knees and ankles. A dynamical system is used to generate a position trajectory to control a servo motor replacing the missing joint. The dynamical system consists in a pool of coupled oscillators mod ...

2010

Ambulatory Assessment of Foot Kinematics and Kinetics

Hossein Rouhani

Two surgical treatments exist for ankle osteoarthritis (AO): ankle arthrodesis (AA) and total ankle replacement (TAR). Due to advantages and drawbacks of each treatment, decision making about these treatments is still a clinical question and thus, their ou ...

EPFL2010

Advanced Scanning Probes for Micro-Nano Science Researches

Nico de Rooij, Terunobu Akiyama, Sebastian Gautsch, Peter Vettiger

In this study, we introduce five unique scanning vibes developed in our laboratory for different fields of application These probes are the results of excellent collaborations with many external partners Each probe possesses many advanced features that one ...

Wiley-Blackwell2010

Composite Hydrogels for the Replacement of the Nucleus Pulposus

Ana Borges de Couraça

The intervertebral disc (IVD), which provides flexibility to the spine and facilitates damping and motion, is composed of two distinct structures: the annulus fibrosus (AF) and the nucleus pulposus (NP). The AF, which is fibrous and elastic, confines the N ...

EPFL2010

In vivo cyclic loading as a potent stimulatory signal for bone formation inside tissue engineering scaffolds

Dominique Pioletti, Alexandre Terrier, Pierre-Etienne Bourban, Alireza Roshan Ghias

In clinical situations, bone defects are often located at load bearing sites. Tissue engineering scaffolds are future bone substitutes and hence they will be subjected to mechanical stimulation. The goal of this study was to test if cyclic loading can be u ...

European Cells & Materials Ltd2010

Curing Kinetics and Mechanical Properties of a Composite Hydrogel for the Replacement of the Nucleus Pulposus

Dominique Pioletti, Pierre-Etienne Bourban, Ana Borges de Couraça

A polymer material system has been developed to propose an injectable, UV and in situ curable hydrogel with properties similar to the native nucleus pulposus of intervertebral disc. Neat hydrogels based on Tween® 20 trimethacrylates (T3) and N-vinyl-2-pyrr ...

Elsevier2010

Osteoclastogenesis can be mechanically-induced in the peri-implant bone

Dominique Pioletti, Alexandre Terrier, Vincent Stadelmann

Total joint replacements are highly successful in relieving pain and restoring movement of damaged joints. However, the lifespan of the implants is limited. The implant’s long-term stability depends largely on the preservation of periprosthetic bone. Debri ...

2009

Biomechanical evaluation of porous biodegradable scaffolds for revision knee arthroplasty

Dominique Pioletti, Alexandre Terrier, Alireza Roshan Ghias, Marjan Sedighi Gilani, Line Aschwanden

Tibial bone defect is a critical problem for revision knee arthroplasty. Instead of using metallic spacer or cement, biodegradable scaffolds could be an alternative solution. A numerical model of a revision knee arthroplasty was thus developed to estimate ...

2009

Comparison of polyethylene wear in anatomical and reversed shoulder prostheses

Dominique Pioletti, Alexandre Terrier, Alain Farron, Francesco Merlini

Wear of polyethylene is associated with aseptic loosening of orthopaedic implants and has been observed in hip and knee prostheses and anatomical implants for the shoulder. The reversed shoulder prostheses have not been assessed as yet. We investigated the ...

2009

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