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Updated: Dec 11, 2025

Tissue Engineering of the Intestine in a Murine Model

Tissue Engineering of the Intestine in a Murine Model

Published on: December 1, 2012

Patterned enteroscopy balloon design factors influence tissue anchoring.

Leah K Bowen¹, Karl Johannes², Emily Zuetell²

¹Department of Mechanical Engineering, ECME 114, 1111 Engineering Drive, University of Colorado Boulder, Boulder, CO, 80309, USA; Medical Scientist Training Program, 12631 E. 17th Avenue, AO1 Room 2601, Mail Stop B176, University of Colorado, Anschutz Medical Campus, Aurora, CO, 80045, USA.

Journal of the Mechanical Behavior of Biomedical Materials

|August 19, 2020

Summary

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This summary is machine-generated.

Patterned balloons significantly improve anchoring in the small intestine during enteroscopy procedures. This innovation enhances endoscopic device stability, potentially reducing procedure time and improving patient outcomes by preventing balloon slippage.

Area of Science:

Biomedical Engineering
Gastroenterology
Medical Device Design

Background:

Balloon-assisted enteroscopy enables deep small intestine visualization and intervention.
Balloon slippage during procedures can lead to prolonged or incomplete examinations.
Current enteroscopy balloons have safety-related pressure limitations, necessitating improved anchoring.

Purpose of the Study:

To explore the design space of patterned balloon exteriors to enhance tissue anchoring.
To determine factors influencing tissue-balloon interface anchoring.
To improve the stability of enteroscopy balloons without increasing pressure.

Main Methods:

Investigated anchoring ability of smooth vs. patterned balloons using ex-vivo porcine small intestine.

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Last Updated: Dec 11, 2025

Tissue Engineering of the Intestine in a Murine Model

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Experimentally measured peak slippage force for different balloon feature designs.

Developed a method for patterning curved balloon surfaces.

Main Results:

Patterned balloons demonstrated significantly increased anchoring force compared to smooth balloons.
Stiffer materials, low aspect-ratio features, and specific pattern area/location enhanced anchoring.
Smooth latex balloons, used in standard enteroscopy, exhibited the lowest anchoring force.

Conclusions:

Patterned balloon features significantly improve anchoring against deformable, lubricated tissue interfaces.
This approach enhances enteroscopy device stability, addressing the issue of balloon slippage.
The findings support the development of novel balloon designs for more effective endoscopic procedures.