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Insight into the development of non-adherent, absorbent dressings
1Faculty of Technology, Bolton Institute, Bolton, UK. s.rajendran@bolton.ac.uk
Objective:
This study aimed to develop a variety of wound dressing materials, made from standard natural fibres, that have high absorption and non-adherent characteristics.
Method:
A total of 21 dressings were made using knitted and crochet technologies and their absorbency was tested. Five non-adherent recipes were selected from a range of chemical formulations and the optimised non-adherent finishes were applied to the four best dressings. Their absorbency and non-adherent properties were evaluated.
Results:
The study demonstrated that rib cotton (RC), rib viscose (RV), crochet cotton medium (CCM) and crochet viscose medium (CVM) dressings possess high absorption and that five finishing recipes, C + D, A + G, I, I + N and I + G, impart high absorption as well as non-adherent properties. The finish I + G is superior in imparting non-adherence to RV dressing, both in dry and moist conditions. This means that irrigation with water, saline or sodium citrate solution before removing the dressing from a wound is not needed.
Conclusion:
A number of novel knitted and crochet structures with enhanced absorbency have been designed for wound management using standard bleached fibres. Novel non-adherent finishes for the developed structures have been formulated for the developed dressings, and offer an alternative to existing non-adherent dressings.
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