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Numerical analysis of an anastomotic device
1Department of Mechanical Engineering, University of Kentucky, Lexington, KY 40506, USA.
Computer Methods in Biomechanics and Biomedical Engineering
|August 21, 2002
Summary
This study used finite element analysis to understand how a woven wire mesh device deforms during gastrointestinal anastomosis. Findings help optimize device design for minimally invasive surgery.
Area of Science:
- Biomedical Engineering
- Surgical Device Design
- Computational Mechanics
Background:
- Gastrointestinal anastomosis is crucial for surgical reconstruction.
- Minimally invasive surgery (MIS) requires specialized, optimized devices.
- Understanding device deformation is key to improving anastomotic procedures.
Purpose of the Study:
- To investigate the deformation behavior of a woven wire mesh tubular device used in side-to-side gastrointestinal anastomosis.
- To determine the influence of device parameters on deformation using a validated numerical model.
- To provide insights for optimizing device design for MIS.
Main Methods:
- Utilized the explicit dynamic finite element method (FEM) for numerical simulation.
- Verified the FEM against experimental results from a specialized testing mechanism.
- Parameterized the validated FEM to analyze the impact of various device parameters.
Main Results:
- The study successfully validated a finite element model for the woven wire mesh device.
- Key device parameters influencing deformation behavior were identified.
- The relationship between device parameters and deformation was quantified.
Conclusions:
- The validated FEM provides a robust tool for analyzing woven wire mesh device performance.
- Identified parameters are critical for optimizing device design in gastrointestinal anastomosis.
- This research contributes to the advancement of devices for MIS procedures.