Recent advances in three-dimensional pressure relieving cushions for the prevention of pressure ulcers

Hepburn, Carol D., Anand, Subhash and Wood, C. (2017) Recent advances in three-dimensional pressure relieving cushions for the prevention of pressure ulcers. Journal of the Textile Institute, 108 (11). pp. 1940-1948. ISSN 0040-5000

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Abstract

Polyurethane (PU) foam is one of the most common materials used in the development of pressure relieving cushions. However, it suffers from reduced efficiency in terms of thermophysiological comfort, cost, recycling and importantly, creating a suitable environment for the prevention of pressure ulcers. The paper presents research carried out at the University of Bolton, in the development of pressure relieving cushion applications using three-dimensional (3D) warp-knitted spacer fabrics. This research includes the development of a novel technique for measuring pressure distribution while under simulated loading conditions. Using this system, novel and smart 3D knitted spacer cushions were developed, with the following features: (1) a shaped/contoured surface was able to redistribute high pressure points normally located in vulnerable areas of an immobile and seated person. (2) Peak pressures were reduced and distributed evenly over a much larger area of the cushion than PU foam. (3) They are well-ventilated, comfortable, washable and non-flammable and can be easily recycled.

Item Type: Article
Uncontrolled Keywords: Pressure ulcers, thermophysiological properties, 3D spacer fabrics, pressure distribution, pressure relieving cushion, Rigid Cushion Load Indenter (RCLI)
Subjects: T Technology > T Technology (General)
Divisions: University of Bolton Research Centres > Institute for Materials Research and Innovation
Depositing User: Sarah Taylor
Date Deposited: 27 Mar 2018 11:13
Last Modified: 27 Mar 2018 14:48
Identification Number: 10.1080/00405000.2017.1301019
URI: http://ubir.bolton.ac.uk/id/eprint/1632

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