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http://yadda.icm.edu.pl:80/baztech/element/bwmeta1.element.baztech-fd2fe214-43d4-42e2-b517-f300e09407c7

Czasopismo

Acta of Bioengineering and Biomechanics

Tytuł artykułu

Mechanical behaviour of the implant used in human hernia repair under physiological loads

Autorzy Szepietowska, K.  Lubowiecka, I. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
Abstrakty
EN In laparoscopic operations of abdominal hernias some recurrences still take place, even when applying a surgical mesh. This is usually caused by a failure of the connection between the tissue and the implant. The study deals with the influence of an implant’s orientation on forces in joints, which connect the mesh to human tissues. In the paper, the implant is modelled as a membrane structure within framework of the Finite Element Method. Two models are analysed: in the first one interaction between the mesh and a fascia is taken into account, in the second this interaction is not considered. Computations are conducted for two different material types of the implants: one with isotropic properties and second one with orthotropic properties. The models are validated by comparing dynamic numerical analysis with experimental outcomes, where load was simulating intraabdominal pressure during postoperative cough. Due to displacements of joints during activities like bending sideways or torsion of an abdomen, influence of kinematic extortions on forces in the joints is analysed. The outcome shows that position of the orthotropic implants is crucial and may strongly change the level of forces in the joints.
Słowa kluczowe
PL metoda elementów skończonych   implanty   konstrukcja membranowa  
EN finite element modelling   hernia repair   implants   membrane structure  
Wydawca Oficyna Wydawnicza Politechniki Wrocławskiej
Czasopismo Acta of Bioengineering and Biomechanics
Rocznik 2013
Tom Vol. 15, nr 3
Strony 89--96
Opis fizyczny Bibliogr. 29 poz., rys., tab., wykr.
Twórcy
autor Szepietowska, K.
  • Department of Structural Mechanics and Bridges, Faculty of Civil and Environmental Engineering, Gdańsk University of Technology, Gdańsk, Poland, kasia.szepietowska@wp.pl
autor Lubowiecka, I.
  • Department of Structural Mechanics and Bridges, Faculty of Civil and Environmental Engineering, Gdańsk University of Technology, Gdańsk, Poland
Bibliografia
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