This paper describes a method designed to model the repaired herniated human abdomen just after surgery and examine its static mechanical response to the maximum intra-abdominal pressure provoked by a physiological movement (standing cough). The model is based on the real geometry of the human abdomen bearing a large incisional hernia with several anatomical structures differentiated by MRI. To analyze the outcome of hernia repair, the surgical procedure was simulated by modeling a prosthesis placed over the hernia. Three surgical meshes with different mechanical properties were considered: an isotropic heavy-weight mesh (Surgipro®), a slightly anisotropic light-weight mesh (Optilene®), and a highly anisotropic medium-weight mesh (Infinit®). Our findings confirm that anisotropic implants need to be positioned such that the most compliant axis of the mesh coincides with the craneo-caudal direction of the body.
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Mechanical Response of the Herniated Human Abdomen to the Placement of Different Prostheses
Belén Hernández-Gascón,
Belén Hernández-Gascón
Postdoctoral Researcher
e-mail: belenhg@unizar.es
e-mail: belenhg@unizar.es
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Estefanía Peña,
Estefanía Peña
1
Associate Professor
e-mail: fany@unizar.es
e-mail: fany@unizar.es
1Corresponding author.
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Jorge Grasa,
Jorge Grasa
Associate Professor
e-mail: jgrasa@unizar.es
e-mail: jgrasa@unizar.es
Aragón Institute of Engineering Research (I3A)
,University of Zaragoza
,CIBER-BBN, Centro de Investigación en Red en Bioingeniería, Biomateriales y Nanomedicina
,Zaragoza 50018
, Spain
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Gemma Pascual,
Gemma Pascual
Associate Professor
Faculty of Medicine,
e-mail: gemma.pascual@uah.es
Faculty of Medicine,
Department of Medical Specialities
,University of Alcalá
,CIBER-BBN, Centro de Investigación en Red en Bioingeniería, Biomateriales y Nanomedicina
,Alcalá 28871
, Spain
e-mail: gemma.pascual@uah.es
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Juan M. Bellón,
Juan M. Bellón
Professor
e-mail: juanm.bellon@uah.es
Faculty of Medicine
,Department of Surgery
,University of Alcalá
,CIBER-BBN, Centro de Investigación en Red en Bioingeniería, Biomateriales y Nanomedicina
,Alcalá 28871
, Spain
e-mail: juanm.bellon@uah.es
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Begoña Calvo
Begoña Calvo
Professor
e-mail: bcalvo@unizar.es
Aragón Institute of Engineering Research (I3A)
,University of Zaragoza
,CIBER-BBN, Centro de Investigación en Red en Bioingeniería, Biomateriales y Nanomedicina
,Zaragoza 50018
, Spain
e-mail: bcalvo@unizar.es
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Belén Hernández-Gascón
Postdoctoral Researcher
e-mail: belenhg@unizar.es
e-mail: belenhg@unizar.es
Estefanía Peña
Associate Professor
e-mail: fany@unizar.es
e-mail: fany@unizar.es
Jorge Grasa
Associate Professor
e-mail: jgrasa@unizar.es
e-mail: jgrasa@unizar.es
Aragón Institute of Engineering Research (I3A)
,University of Zaragoza
,CIBER-BBN, Centro de Investigación en Red en Bioingeniería, Biomateriales y Nanomedicina
,Zaragoza 50018
, Spain
Gemma Pascual
Associate Professor
Faculty of Medicine,
e-mail: gemma.pascual@uah.es
Faculty of Medicine,
Department of Medical Specialities
,University of Alcalá
,CIBER-BBN, Centro de Investigación en Red en Bioingeniería, Biomateriales y Nanomedicina
,Alcalá 28871
, Spain
e-mail: gemma.pascual@uah.es
Juan M. Bellón
Professor
e-mail: juanm.bellon@uah.es
Faculty of Medicine
,Department of Surgery
,University of Alcalá
,CIBER-BBN, Centro de Investigación en Red en Bioingeniería, Biomateriales y Nanomedicina
,Alcalá 28871
, Spain
e-mail: juanm.bellon@uah.es
Begoña Calvo
Professor
e-mail: bcalvo@unizar.es
Aragón Institute of Engineering Research (I3A)
,University of Zaragoza
,CIBER-BBN, Centro de Investigación en Red en Bioingeniería, Biomateriales y Nanomedicina
,Zaragoza 50018
, Spain
e-mail: bcalvo@unizar.es
1Corresponding author.
Contributed by the Bioengineering Division of ASME for publication in the Journal of Biomechanical Engineering. Manuscript received October 8, 2012; final manuscript received January 28, 2013; accepted manuscript posted February 19, 2013; published online April 24, 2013. Assoc. Editor: Pasquale Vena.
J Biomech Eng. May 2013, 135(5): 051004 (8 pages)
Published Online: April 24, 2013
Article history
Received:
October 8, 2012
Revision Received:
January 28, 2013
Accepted:
February 19, 2013
Citation
Hernández-Gascón, B., Peña, E., Grasa, J., Pascual, G., Bellón, J. M., and Calvo, B. (April 24, 2013). "Mechanical Response of the Herniated Human Abdomen to the Placement of Different Prostheses." ASME. J Biomech Eng. May 2013; 135(5): 051004. https://doi.org/10.1115/1.4023703
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