An Approach to Determine Pressure Profile Generated by Compression Bandage Using Quasi-Linear Viscoelastic Model

Kumar, Bipin; Das, Apurba; Alagirusamy, R.

doi:10.1115/1.4007176

Cited by 21 publications

(12 citation statements)

References 19 publications

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“…Compression therapy is the cornerstone of treatment for phlebological and lymphatic conditions [7,[14][15][16][17]. The prime objective of compression therapy is to reduce the venous pressure in the affected limb region [13,17,18].…”

Section: Compression Therapy -Importance Of External Pressurementioning

confidence: 99%

Nonwoven Padding for Compression Management

Kumar¹

2016

Non-Woven Fabrics

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Nonwovens play an important and crucial role in the designing of appropriate structures for healthcare and hygiene products. One such application is the use of nonwoven padding in a multi-layer compression system recommended for the treatment of chronic venous disorders. Padding helps in ensuring uniform pressure distribution underneath the bandaging layer wrapped around the circumference of the limb. Apart from the pressure management, padding also facilitates body fluids' absorption and removal, and provides thermal and tactile comfort to ensure better compliance of the multi-layer compression system. This chapter analyses the different roles of padding in compression management. The importance of different nonwovens and their structure on the padding performance are also reviewed, using both experimental and theoretical analyses. Finally, some useful recommendations are provided for design considerations to develop optimized products.

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Section: Compression Therapy -Importance Of External Pressurementioning

confidence: 99%

Nonwoven Padding for Compression Management

Kumar¹

2016

Non-Woven Fabrics

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“…Second, it would be possible to counter the effect of pressure drop during the course of compression treatment. Earlier studies suggested that the pressure drop is inevitable for most of the compression bandages due to fiber's stress relaxation or due to limb reduction [9,28]. However, the advantage of memory bandage over the existing conventional product would be that, when the pressure drops below a targeted level, it would be possible to readjust pressure level even without replacing the bandage, and therefore could provide sustained compression.…”

Section: Figure 3 (A) Stress Increase δσ In the Bandage Upon Activatmentioning

confidence: 99%

Memory Bandage for Functional Compression Management for Venous Ulcers

Kumar

Pan

2016

Fibers

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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.

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“…Since, the bandage structure consists of fibers and yarns which are viscoelastic in nature due to which the internal stress in the bandage reduces over time (Kumar et al, 2012a(Kumar et al, , 2012b. During ambulation, the leg continuously bends at knees and ankles, which results in significant strain in the skin at these locations.…”

Section: Introductionmentioning

confidence: 97%

An approach to examine dynamic behavior of medical compression bandage

Kumar¹,

Das²,

Alagirusamy³

2013

Journal of The Textile Institute

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Compression bandages are subjected to a repeated and prolonged spatial deformation, at knee and ankle positions, during ambulatory conditions of the lower limb. The important dynamic variables like speed, the amount of the degree of bending at knees and ankles, etc. could affect the long-term compression behavior of the bandage. The aim of this study was to investigate the dynamic behavior of medical compression bandage using a newly designed dynamic leg-segment model. A prototype was especially designed to simulate the dynamic behavior of the human leg using a mannequin limb. The influence of major factors, i.e. the speed of the reciprocating movement of the mannequin, the amount of displacement amplitude of the reciprocating movement of the mannequin (i.e. step size), and the applied extension level given to the bandage, on the sub-bandage pressure exerted by the bandage on the mannequin surface were analyzed using this model. It was observed that the rate and amount of the sub-bandage pressure drop increased under dynamic mode of the mannequin as compared to static mode. A higher drop in the sub-bandage pressure under dynamic mode was obtained with increasing the amount of displacement amplitude of the mannequin leg and also with increasing the applied extension level given to the bandage. The ambulatory conditions of the leg result in cyclic deformations in the wrapped bandage, and this influences the sub-bandage pressure variations over time. The proposed leg-segment model enables to assess dynamic behavior of different compression bandages under customized conditions and hence could be used for comparing and pre-evaluating different bandage products.

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An Approach to Determine Pressure Profile Generated by Compression Bandage Using Quasi-Linear Viscoelastic Model

Cited by 21 publications

References 19 publications

Nonwoven Padding for Compression Management

Nonwoven Padding for Compression Management

Memory Bandage for Functional Compression Management for Venous Ulcers

An approach to examine dynamic behavior of medical compression bandage

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