Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/43395
Title: Smart medical stocking using memory polymer for chronic venous disorders
Authors: Kumar, B
Hu, J 
Pan, N
Keywords: Compression stocking
Compression therapy
Heat stimuli
Interface pressure
Rubber elasticity
Shape memory polymer
Venous ulcers
Issue Date: 2016
Publisher: Elsevier
Source: Biomaterials, 2016, v. 75, p. 174-181 How to cite?
Journal: Biomaterials 
Abstract: Proper level of pressure or compression generated by medical stocking or hosiery is the key element for successful treatment or management of chronic venous disorders such as oedema, leg ulcers, etc. However achieving the recommended compression level and, more importantly, sustaining it using stockings has been a major challenge to the health practitioners supervising the treatment. This work aims to investigate and design a smart compression stocking using shape-memory polymer that allows externally controlling the pressure level in the wrapped position on the leg. Based on thermodynamical rubber theories, we first derived several criteria that have to be satisfied simultaneously in order to achieve the controlled pressure adjustment using external heat stimuli. We then presented a case where such a stocking is developed using a blend yarn consists of selected shape-memory polyurethane and nylon filaments. Extensive experimental work has also been conducted to demonstrate the feasibility and explore the influencing factors involved.
URI: http://hdl.handle.net/10397/43395
ISSN: 0142-9612
DOI: 10.1016/j.biomaterials.2015.10.032
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