[HTML][HTML] Biomechanical constitutive modeling of the gastrointestinal tissues: a systematic review
The gastrointestinal (GI) tract is a continuous channel through the body that consists of the
esophagus, the stomach, the small intestine, the large intestine, and the rectum. Its primary …
esophagus, the stomach, the small intestine, the large intestine, and the rectum. Its primary …
[HTML][HTML] On a phase-field approach to model fracture of small intestine walls
S Nagaraja, K Leichsenring, M Ambati, L De Lorenzis… - Acta biomaterialia, 2021 - Elsevier
We address anisotropic elasticity and fracture in small intestine walls (SIWs) with both
experimental and computational methods. Uniaxial tension experiments are performed on …
experimental and computational methods. Uniaxial tension experiments are performed on …
Changes in iris stiffness and permeability in primary angle closure glaucoma
Purpose: To evaluate the biomechanical properties of the iris by evaluating iris movement
during pupil constriction and to compare such properties between healthy and primary angle …
during pupil constriction and to compare such properties between healthy and primary angle …
[HTML][HTML] A consistent transversely-isotropic hyper-viscoelastic model: Finite element implementation and mechanical characterization of biological tissues
Soft tissues like skeletal muscles, ligaments and tendons exhibit transversely-isotropic hyper-
viscoelastic (VE) behavior. Simulating the mechanical response of such soft tissues under …
viscoelastic (VE) behavior. Simulating the mechanical response of such soft tissues under …
[HTML][HTML] Mechanobiological considerations in colorectal stapling: Implications for technology development
Technological advancements in minimally invasive surgery have led to significant
improvements in patient outcomes. One such technology is surgical stapling, which has …
improvements in patient outcomes. One such technology is surgical stapling, which has …
Frictional resistance model for a capsule and an intestine with different central axes based on the intestinal nonlinear constitutive relationship
Y Huang, L Liang, R Hu, P Tang, Z Guo, Y Liu… - Tribology International, 2022 - Elsevier
A magnetically controlled capsule endoscopy has a broad application for the detection of
gastrointestinal diseases. The frictional resistance between a capsule and an intestine will …
gastrointestinal diseases. The frictional resistance between a capsule and an intestine will …
The mesenteric entry site as a potential weak point in gastrointestinal anastomoses–findings from an ex-vivo biomechanical analysis
K Cira, SN Janett, C Micheler, S Heller… - … Archives of Surgery, 2024 - Springer
Purpose Gastrointestinal disorders frequently necessitate surgery involving intestinal
resection and anastomosis formation, potentially leading to severe complications like …
resection and anastomosis formation, potentially leading to severe complications like …
Comparing finite viscoelastic constitutive relations and variational principles in modeling gastrointestinal soft tissue deformation
The mechanical attributes of soft tissues within the gastrointestinal (GI) tract are crucial for
the effective operation of the GI system, and alterations in these properties may play a role in …
the effective operation of the GI system, and alterations in these properties may play a role in …
The origin of intraluminal pressure waves in gastrointestinal tract
The gastrointestinal (GI) peristalsis is an involuntary wave-like contraction of the GI wall that
helps to propagate food along the tract. Many GI diseases, eg, gastroparesis, are known to …
helps to propagate food along the tract. Many GI diseases, eg, gastroparesis, are known to …
Volume of saline (0.9% NaCl) solution required to reach maximum peristaltic pressure in cadaveric intact jejunal specimens from dogs of various sizes
OBJECTIVE To compare the volume of saline (0.9% NaCl) solution required to reach a
maximum intraluminal peristaltic pressure of 25 mm Hg in dogs of various sizes. SAMPLES …
maximum intraluminal peristaltic pressure of 25 mm Hg in dogs of various sizes. SAMPLES …