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Authors: Shaban Almouahed 1 ; Chafiaa Hamitouche 2 ; Eric Stindel 3 and Christian Roux 4

Affiliations: 1 LATIM - INSERM U650 and TELECOM Bretagne – Institut TELECOM, France ; 2 LATIM and TELECOM Bretagne - Institut TELECOM, France ; 3 LATIM – INSERM U650 and Université de Bretagne Occidentale and CHU Brest, France ; 4 LATIM – INSERM U650 and TELECOM Bretagne – Institut TELECOM, France

Keyword(s): Total knee arthroplasty, Collateral ligament balance, Knee balancer.

Related Ontology Subjects/Areas/Topics: Artificial Limbs ; Biomechanical Devices ; Biomedical Engineering ; Biomedical Equipment ; Biomedical Instrumentation ; Biomedical Instruments and Devices ; Biomedical Sensors ; Biorobotics ; Biotelemetry ; Emerging Technologies ; Implantable Electronics ; Telecommunications ; Wireless and Mobile Technologies ; Wireless Information Networks and Systems ; Wireless Systems

Abstract: The poor ligament balance performed at the time of total knee arthroplasty (TKA) can cause postoperative instability and consequently early loosening of the prosthetic knee. The improper intraoperative assessment of ligamentous balance is due to the use of an accurate surgical instrument which tenses the medial and lateral collateral ligaments in uncontrolled way. A smart ligament balancer is proposed in this paper to assess and perform ligament balancing intra- and postoperatively. A detailed three-dimensional model of the prototype is developed using CAD software in order to discuss the operation of this device. The intraoperative use of this balancer could allow to accurately reestablish a rectangular tibiofemoral gap with symmetric mediolateral load distribution across the whole range of knee flexion. On the other hand, the implanted balancer could be used postoperatively to assess ligamentous balance and to correct it when needed.

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Paper citation in several formats:
Almouahed, S.; Hamitouche, C.; Stindel, E. and Roux, C. (2010). SMART COLLATERAL LIGAMENT BALANCER FOR INTRA- AND POSTOPERATIVE MEDIOLATERAL BALANCE. In Proceedings of the Third International Conference on Biomedical Electronics and Devices (BIOSTEC 2010) - BIODEVICES; ISBN 978-989-674-017-7; ISSN 2184-4305, SciTePress, pages 139-142. DOI: 10.5220/0002757501390142

@conference{biodevices10,
author={Shaban Almouahed. and Chafiaa Hamitouche. and Eric Stindel. and Christian Roux.},
title={SMART COLLATERAL LIGAMENT BALANCER FOR INTRA- AND POSTOPERATIVE MEDIOLATERAL BALANCE},
booktitle={Proceedings of the Third International Conference on Biomedical Electronics and Devices (BIOSTEC 2010) - BIODEVICES},
year={2010},
pages={139-142},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002757501390142},
isbn={978-989-674-017-7},
issn={2184-4305},
}

TY - CONF

JO - Proceedings of the Third International Conference on Biomedical Electronics and Devices (BIOSTEC 2010) - BIODEVICES
TI - SMART COLLATERAL LIGAMENT BALANCER FOR INTRA- AND POSTOPERATIVE MEDIOLATERAL BALANCE
SN - 978-989-674-017-7
IS - 2184-4305
AU - Almouahed, S.
AU - Hamitouche, C.
AU - Stindel, E.
AU - Roux, C.
PY - 2010
SP - 139
EP - 142
DO - 10.5220/0002757501390142
PB - SciTePress

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