Enhanced Performance and Mode of Action of a Novel Antibiofilm Hydrofiber® Wound Dressing
Table 2
Test dressings. proprietary to ConvaTec Ltd.
Commercial name
Physical and chemical composition
Coding
AQUACEL Extra
Two layers of a needle-punched nonwoven fleece of sodium carboxymethylcellulose (CMC) fibres
CMC
AQUACEL Ag Extra
Two layers of a needle-punched nonwoven fleece of sodium silver CMC fibres (approximately 1.2% w/w or 0.17 mg/cm2 silver) [2]
SCMC
AQUACEL Ag+ Extra
Two layers of a needle-punched nonwoven fleece of sodium silver CMC fibres enhanced with disodium ethylenediaminetetraacetate and benzethonium , stitched with a high purity cellulose thread (approximately 1.2% w/w or 0.17 mg/cm2 silver)
NGAD
Acticoat™ 7
Three layers of a metallic (nano) crystalline silver-encrusted high-density polyethylene (HDPE) mesh alternating with two layers of a rayon polyester nonwoven fabric, bonded at intervals by ultrasonic welding of the HDPE (approximately 8.4% w/w or 1.48 mg/cm2 silver)
NCSD
Silvercel™ Non-Adherent
A nonwoven fabric comprised of a blend of metallic silver-coated nylon fibres and calcium alginate/CMC fibres between two apertured sheets of ethylene methyl acrylate (EMA) (approximately 4% w/w or 1.11 mg/cm2 silver [8])
