Convatec
Aquacel Foam Non Adhesive Wound Dressing 10 x 10 cm Hydrofiber Interface 420633
Aquacel Foam Non Adhesive Wound Dressing 10 x 10 cm Hydrofiber Interface 420633
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Product Overview
Aquacel Foam Non-Adhesive (ConvaTec REF 420633, 10 x 10 cm, box of 10) is a multi-layer foam dressing engineered around ConvaTec's proprietary Hydrofiber Technology. The wound contact layer is composed of sodium carboxymethylcellulose (NaCMC) fibres that absorb wound exudate and convert into a soft cohesive gel, locking exudate away from the wound bed and surrounding peri-wound skin. This gelling action is intended to maintain a moist environment consistent with TIME wound bed preparation principles (NICE NG142, EWMA position documents) while reducing risk of maceration.
The non-adhesive variant contains no silicone or acrylic adhesive border. It is supplied as a square pad with a polyurethane absorbent foam core, a hydrophilic binding layer, the Hydrofiber interface, and a top film that acts as a waterproof and bacterial/viral barrier (>25 nm intact). Because there is no adhesive, the dressing is intended for use under compression, retention bandages, tubular bandages, or tape, and is indicated where adhesive contact with fragile peri-wound skin is contraindicated.
Specifications
| Manufacturer | ConvaTec Limited (UK) |
| Reference Number | 420633 |
| Format | Non-adhesive square pad, no border |
| Size | 10 cm x 10 cm (4" x 4") |
| Pad Construction | 5 layers: top film barrier, polyurethane foam core, hydrophilic binding layer, Hydrofiber wound contact interface, release liner |
| Wound Contact Material | Sodium carboxymethylcellulose (Hydrofiber Technology) |
| Top Film | Polyurethane, waterproof, viral/bacterial barrier |
| Sterility | Sterile, ethylene oxide, single use |
| Latex Content | Latex-free |
| Wear Time | Up to 7 days, depending on exudate level and clinical assessment |
| Indication Range | Moderate to high exudate, partial- and full-thickness |
| Regulatory | FDA 510(k) cleared; CE marked under EU MDR 2017/745; ISO 13485 quality system; HSA Singapore class B medical device listing |
| HCPCS Code | A6212 / A6213 (foam dressing, wound cover, non-bordered) |
| Packaging | Box of 10 individually sealed sterile dressings |
| Storage | Store dry below 30 degrees Celsius, away from direct sunlight |
Clinical Indications
- Pressure injuries / pressure ulcers (NPIAP/EPUAP/PPPIA Stage 2 to 4) with moderate to high exudate
- Venous leg ulcers under multilayer compression (consistent with NICE CG168 and Wounds International compression guidance)
- Diabetic foot ulcers without active infection (IWGDF guideline-aligned moist wound care)
- Surgical wounds healing by secondary intention and post-debridement cavities
- Donor sites and partial-thickness traumatic wounds, including skin tears (ISTAP Type 1 to 3)
- Oncology and palliative wounds where adhesive removal trauma must be avoided
Frequently Asked Questions
Q: When should I choose the non-adhesive variant over the adhesive (silicone-bordered) Aquacel Foam?
A: Choose the non-adhesive 420633 when the peri-wound skin is fragile, macerated, denuded, or steroid-thinned, when the dressing will be held in place by compression bandaging, or when the patient has documented adhesive sensitivity. The silicone-bordered variant is preferred where self-fixation is required and skin is intact.
Q: How does Hydrofiber Technology differ from a standard polyurethane foam?
A: Plain polyurethane foam absorbs exudate by capillary action only and may release fluid back when compressed. Hydrofiber sodium-CMC fibres absorb fluid vertically and gel in place, retaining fluid and slough under compression, a property described in the manufacturer IFU and the Cochrane review of hydrofiber dressings (Dumville et al.).
Q: How frequently should the dressing be changed?
A: Per ConvaTec IFU and consistent with EWMA exudate management guidance, the dressing may remain in place up to 7 days. Change earlier if strikethrough is visible at the dressing edge, if the dressing is dislodged, or when clinically indicated by infection, odour, or peri-wound deterioration.
Q: Is this dressing suitable under multilayer compression therapy in Singapore venous-ulcer protocols?
A: Yes. The non-adhesive 10 x 10 cm format is commonly used as the primary contact layer beneath short-stretch and multilayer compression systems used in Singapore polyclinic and home-care wound services. Hydrofiber gel cohesion under compression supports atraumatic removal at dressing change.
Q: Is HSA registration required for clinical purchase in Singapore?
A: Aquacel Foam is HSA-listed (medical device class B) and is regularly procured by Singapore restructured hospitals, polyclinics, GP clinics, and home-care providers. EMIS+ supplies the genuine ConvaTec product with full traceability for institutional procurement and B2B clinic accounts.
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