Original title: Muscle Unbalance Influence to Hip Implant Migration
Translated title: Vliv svalové dysbalance na migraci kyčelního implantátu
Authors: Kytýř, Daniel ; Jírová, Jitka ; Vyčichl, Jan ; Jíra, J.
Document type: Papers
Conference/Event: Engineering Mechanics 2007, Svratka (CZ), 2007-05-14 / 2007-05-17
Year: 2007
Language: eng
Abstract: [eng] [cze]
In general all orthopaedic operations may cause the change of muscle balance. This dysbalance various not only range of movement but also the loading vector during the movement. In case of hemiarthroplasty when the new joint is created by femoral replacement and intact acetabulum could be the dysbalance very dangerous. Migration of the implant head after hemiarthoplasty is the problem which observed to nearly at all patients. Muscle dysbalance and shape of acetabulum are the two main problems solved by numerical analysis of hip joint FE model. Každý operační zákrok zbůsobuje změnu svalové rovnováhy v okolí operovaného místa. To způsobuje nejen změnu rozsahu pohyblivosti ale především změnu velikosti a směru zatižení působících na kloub. Změny zatížení společně s implantací endoprotézy mohou způsobit velmi nebezpečnou migraci. V tomto článku je zjisťován vliv směru zatižení na směr pravděpodobné migrace.
Keywords: acetabulum; FE model; muscle unbalance
Project no.: CEZ:AV0Z20710524 (CEP), IAA200710504 (CEP)
Funding provider: GA AV ČR
Host item entry: Engineering Mechanics 2007 : national conference with international participation : book of extended abstracts, ISBN 978-80-87012-06-2

Institution: Institute of Theoretical and Applied Mechanics AS ČR (web)
Document availability information: Fulltext is available at the institute of the Academy of Sciences.
Original record: http://hdl.handle.net/11104/0004262

Permalink: http://www.nusl.cz/ntk/nusl-37698


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Research > Institutes ASCR > Institute of Theoretical and Applied Mechanics
Conference materials > Papers