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| Content Provider | IET Digital Library |
|---|---|
| Author | Lin, Chengxiong Ren, Pan Li, Wei Deng, Hengyi Zhou, Zhongrong |
| Abstract | The endoscopy is the most direct and effective means for digestive tract diseases. Medical workers can conduct a series of manipulations with the help of endoscope, including checking, removing, stripping the diseased tissue or placing the stent. In order to understand the frictional behaviour at the endoscope–oesophagus interface, the finite-element model was analysed by Abaqus in this study. Considering the different modelling conditions, the total force due to frictional stress, frictional dissipation and the maximum Mises stress for the whole model were studied. Results showed that with the increasing amplitude, coefficient of friction and decreasing diameter, the total forces due to the frictional stress and the FD increased obviously. It did not present a clear difference with the variable distance for overlapping parts (region L). The positions of maximum Mises stress for the whole model under different conditions mainly focused on the initial part of the region R. The maximum Mises stress between different diameters showed a big difference. The results can provide the basic data for the finite-element modelling of frictional behaviour of human tissue. |
| Starting Page | 75 |
| Ending Page | 81 |
| Page Count | 7 |
| Volume Number | 6 |
| e-ISSN | 24054518 |
| Issue Number | Issue 3, Oct (2020) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/bsbt/6/3 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/bsbt.2019.0034 |
| Journal | Biosurface and Biotribology |
| Publisher | The Institution of Engineering and Technology Southwest Jiaotong University |
| Publisher Date | 2020-03-13 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/) |
| Subject Keyword | Biological Tissues Biology And Medical Computing Biomedical Imaging/measurement Decreasing Diameter Different Modelling Condition Digestive Tract Diseases Direct Means Diseased Tissue Diseases Endoscope-oesophagus Interface Endoscopes Endoscope–oesophagus Interface Endoscopy Finite Element Analysis Finite-element Model Finite-element Modelling Friction Frictional Behaviour Frictional Force Maximum Mises Stress Medical Workers Numerical Analysis Numerical Approximation And Analysis Optical And Laser Radiation Patient Diagnostic Method And Instrumentation Strain Energy Stress Analysis Total Force |
| Content Type | Text |
| Resource Type | Article |
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