Water absorption dynamics in medical foam: empirical validation of the Lucas-Washburn model.

Eur Phys J E Soft Matter

Institute of Integrative Medicine, Department of Integrated Traditional Chinese and Western Medicine, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.

Published: March 2025


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Article Abstract

This study extends the Lucas-Washburn theory through non-equilibrium thermodynamic analysis to examine fluid absorption in medical foams used for hemorrhage control. As a universal model for capillary flow in porous media, the theory demonstrated strong agreement with experimental results, confirming its semi-quantitative accuracy. Minor deviations, likely due to material heterogeneity, were observed and explained, enhancing the theory's applicability to real-world conditions. Our findings underscore the universality of the Lucas-Washburn framework and provide valuable insights for optimizing the design of medical foams, ultimately contributing to more effective bleeding control solutions in clinical applications.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11882628PMC
http://dx.doi.org/10.1140/epje/s10189-025-00478-3DOI Listing

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