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Fibers 2016, 4(1), 10; doi:10.3390/fib4010010

Memory Bandage for Functional Compression Management for Venous Ulcers

1
Division of Textiles, Biological & Agricultural Engineering, UC Davis, CA 95616, USA
2
Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Kowloon 999077, Hong Kong
*
Authors to whom correspondence should be addressed.
Academic Editor: Stephen C. Bondy
Received: 13 December 2015 / Accepted: 4 February 2016 / Published: 19 February 2016
(This article belongs to the Special Issue Smart Textiles)
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Abstract

In current compression practice for the treatment of chronic venous disorders, there has always been a challenge of controlled compression by a bandage to achieve a particular pressure range in the affected region of the limb. The challenges in compression in the products could be solved if there were the possibility of stress control in fabric. Herein, we are exploiting the newly discovered phenomena, i.e., stress memory, in a memory polymer (MP) for the design and investigation of a smart bandage for functional compression benefits. A memory bandage is developed using a blend yarn consisting of MP filaments (segmented polyurethane) and nylon filaments. Results showed the possibility to control or manage the internal stress developed in the bandage in wrapped position by simple heating, and thus allowing pressure readjustment externally. Extra pressure generated by the bandage increases with increasing the level of temperature and strain (p < 0.05). The pressure variations also depend on the number of layers and limb circumference (p < 0.05). The memory bandage could have a great potential over existing conventional compression products, as they could give more freedom to govern pressure level whenever needed during the course of compression therapy as a novel wound care management system. View Full-Text
Keywords: bandage; compression therapy; memory polymer; venous ulcers bandage; compression therapy; memory polymer; venous ulcers
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Kumar, B.; Hu, J.; Pan, N. Memory Bandage for Functional Compression Management for Venous Ulcers. Fibers 2016, 4, 10.

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