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Application of a New Mesh Fixation Method in Laparoscopic Incisional Hernia Repair
Published on: December 23, 2022
Computational framework to model and design surgical meshes for hernia repair
B Hernández-Gascón1, N Espés, E Peña
1a Aragón Institute of Engineering Research, University of Zaragoza , Agustin Betancourt Building, Maria de Luna s/n, 50018 , Zaragoza , Spain.
Computer Methods in Biomechanics and Biomedical Engineering
|November 22, 2012
Summary
Developing computational models for surgical meshes can accelerate the design and validation of new hernia repair prosthetics, reducing reliance on time-consuming experimental studies.
Area of Science:
- Biomedical Engineering
- Computational Mechanics
- Surgical Innovation
Background:
- Current hernia surgery relies on prosthetic meshes, but achieving optimal integration with the implant site remains a challenge.
- Experimental studies are the standard for validating new surgical meshes but are costly and time-intensive.
Purpose of the Study:
- To introduce a computational framework for designing and validating new surgical meshes.
- To overcome the limitations of traditional experimental methods in prosthetic mesh development.
Main Methods:
- Development of a computational framework featuring two distinct models: a beam model and a membrane model.
- The beam model precisely replicates mesh geometry for weave design and stiffness determination, albeit with high computational cost.
- The membrane model, based on large deformation hyperelasticity, offers a computationally inexpensive alternative for integrating prosthetics into complex anatomical geometries.
Main Results:
- The proposed computational framework provides tools for both the design (beam model) and validation (membrane model) of surgical meshes.
- The membrane model enables the simulation of prosthetic behavior within complex anatomical contexts (human/animal bodies) efficiently.
Conclusions:
- Computational simulation offers a viable alternative to overcome the time and cost disadvantages of experimental validation for surgical meshes.
- This framework supports the development of improved prosthetic designs for hernia surgery, enhancing implant-prosthesis integration.
