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Updated: Jul 24, 2026

Evaluation of Biomaterials for Bladder Augmentation using Cystometric Analyses in Various Rodent Models
Published on: August 9, 2012
Abstract:
The outflow of viscous incompressible fluid from catheter holes into a small gap between the catheter and surrounding elastic tube is considered. Initially, the catheter is inserted into the tube lumen in such a manner that a considerable tube wall prestress exists. An additional longitudinally non-uniform external load is applied to the outer tube surface. The procedure of measuring the urethral "pressure profile" is discussed. It is shown that there is no easy way for extracting the external load (muscle forces in reality) from the measured pressure.
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