Coloplast Biatain Non-Adhesive Foam Dressing — 3D Polymer, Vertical Wicking, Beveled Edges, 4 Sizes

Unique 3D polymer foam structure absorbs exudate vertically and locks it away — no lateral spreading, minimal maceration risk. Beveled edges reduce pressure marks. Specifically suited for wounds with very fragile periwound skin. Superior performance under compression therapy. Up to 7-day wear. Waterproof and bacteria-proof outer film. Coloplast Biatain Non-Adhesive is a soft, conformable polyurethane foam dressing built on a proprietary 3D polymer structure that fundamentally changes how the foam body manages exudate. Rather than allowing absorbed fluid to migrate laterally through the foam — spreading toward the wound margins and the periwound skin — Biatain's 3D structure channels exudate vertically upward through the dressing and locks it within the foam matrix. The result is a dressing that absorbs heavily, retains what it absorbs under compression, and prevents the lateral fluid spread that causes periwound maceration. The soft beveled edges feather out at the dressing perimeter, eliminating the step-off that causes pressure marks and skin breakdown under wound dressings and compression systems. The waterproof, bacteria-proof semi-permeable film outer layer provides a complete bacterial barrier while allowing vapor exchange. Non-adhesive — requires tape or secondary fixation; ideal for wounds with fragile, sensitized, or maceration-damaged periwound skin where adhesive application and removal would compound skin injury. Available in four sizes from 2"×2¾" to 8"×8".

✔ Unique 3D Polymer Structure — Vertical Wicking, No Lateral Spreading    ✔ Locks Exudate in Foam — Minimal Leakage & Maceration Risk    ✔ Beveled Edges — Reduces Pressure Marks Under Dressings & Compression    ✔ Ideal for Fragile Periwound Skin — No Adhesive Trauma    ✔ Superior Under Compression — Absorbs & Retains Even When Compressed    ✔ Waterproof & Bacteria-Proof Film — Shower-Ready    ✔ Up to 7-Day Wear — 4 Sizes

Product Details & Available Sizes

Indicated For — Wound Types

• Leg ulcers — venous, arterial, mixed; including use under compression bandaging
• Pressure ulcers / pressure injuries — all stages with moderate-to-heavy exudate
• Non-infected diabetic foot ulcers
• Second degree burns
• Donor sites
• Post-operative wounds
• Skin abrasions
• Any moderately to heavily exuding wound with very fragile periwound skin where adhesive dressings are contraindicated or undesirable
• Wounds requiring use under compression bandaging where a self-retaining, high-retention foam is needed

Not indicated for: Dry or minimally exuding wounds. Infected wounds (use Biatain Ag Non-Adhesive for infected wounds). Third-degree burns. Not for use as an absorbent with enzymatic debridement products without clinical guidance.

The 3D Polymer Structure — Why Vertical Wicking Changes Maceration Risk

The single most important clinical feature of Biatain Non-Adhesive is its 3D polymer foam structure — and the most important thing to understand about it is what it prevents rather than what it does. Most polyurethane foam dressings absorb exudate isotropically — fluid enters the foam in all directions from the point of contact and spreads laterally through the open-cell foam matrix as it saturates. This lateral spread moves absorbed exudate outward from the wound center toward the wound margins and the periwound skin. As the lateral fluid front approaches the dressing edge, exudate can migrate under the dressing edge and contact the periwound skin, initiating the maceration process that weakens the skin barrier, increases infection risk, and makes the wound progressively harder to manage.

Biatain's 3D polymer structure is engineered to channel exudate vertically — upward through the dressing body rather than outward across it. The proprietary 3D architecture creates preferential flow pathways that draw fluid from the wound surface up through the foam layers and lock it within the upper foam matrix, away from the wound surface and away from the wound margins. Published clinical data (Anderson et al., Ostomy/Wound Management, 2002) demonstrated that this vertical absorption and high retention capacity produces meaningful reductions in maceration and leakage risk compared to standard foam dressings — a result that makes Biatain particularly effective under compression, where the lateral pressure of compression bandaging would normally express laterally-absorbed fluid back toward the wound surface and margins.

• 3D polymer architecture — preferential vertical exudate channels from wound surface upward through foam body
• No lateral spreading — fluid does not migrate outward toward wound margins and periwound skin
• Locks exudate in foam matrix — absorbed fluid retained even under compression; no re-expression to wound surface
• Minimal maceration risk — lateral fluid migration eliminated as a mechanism of periwound skin damage
• Minimal leakage risk — high retention capacity means secondary dressing stays dry longer
• Optimal moist wound environment maintained — sufficient moisture at wound surface for healing, excess locked in foam above
• Clinical evidence: Anderson et al. (2002) demonstrated superior absorption and retention with Biatain foam vs. comparators

Beveled Edges — Why They Matter for Fragile Skin and Compression

Standard foam dressings have a consistent thickness from center to edge — the full foam pad terminates in a squared-off perimeter that creates a visible and palpable step in height between the dressing and the surrounding skin. Under normal conditions, this step is a minor issue. Under compression bandaging — where the bandage is wrapped over the dressing with significant circumferential pressure — this step becomes a mechanical problem: the bandage exerts concentrated pressure at the dressing edge where the height differential is greatest, creating a pressure ridge that can cause skin breakdown, banding marks, and pain at the dressing perimeter. This is a well-documented complication of foam dressings under compression, and it is particularly damaging in venous leg ulcer patients whose periwound skin is already fragile and compromised from chronic venous insufficiency.

Biatain Non-Adhesive's beveled edges taper the foam thickness from full depth at the center to near-zero at the perimeter — creating a smooth, graduated transition between dressing and skin surface with no step-off. Under compression bandaging, the bandage passes smoothly over the dressing surface without a pressure ridge, distributing compression force evenly across the wound and periwound area. The beveled design reduces the risk of pressure marks, banding, and skin breakdown at the dressing edge — a meaningful patient comfort and skin protection benefit in the venous leg ulcer population where Biatain Non-Adhesive is most commonly used.

• Beveled perimeter — foam tapers to near-zero thickness at the edge; no step-off
• No pressure ridge under compression — bandage passes smoothly over the bevel
• Reduces pressure marks and banding at dressing perimeter
• Protects already-fragile periwound skin in venous insufficiency patients
• Improves patient comfort under compression — reduced pain from mechanical edge pressure

Why Non-Adhesive for Fragile Periwound Skin

Coloplast specifically positions Biatain Non-Adhesive as the right Biatain choice for wounds with very fragile periwound skin — and the clinical rationale goes beyond simply avoiding adhesive trauma at dressing change. Periwound skin in chronic wound patients is frequently compromised long before the dressing is applied: maceration from previous leakage, contact dermatitis from prior adhesive exposure, eczematous changes from venous insufficiency, and the general skin fragility of elderly and diabetic patients all create a skin surface that is mechanically weakened, has a compromised stratum corneum, and is highly susceptible to epidermal stripping with adhesive removal.

When a bordered foam dressing with an adhesive perimeter is applied to macerated or eczematous periwound skin and then removed, the adhesive can strip a full layer of already-weakened epidermis — extending the wound beyond its original boundaries and adding an iatrogenic skin injury to an already compromised environment. Biatain Non-Adhesive eliminates this risk entirely by removing adhesive from the dressing design. The dressing is held in place by tape at the corners, a secondary dressing, or compression bandaging — none of which bond to the periwound skin surface the way a full-perimeter adhesive border does. The wound can be accessed, inspected, and redressed without any adhesive trauma to the surrounding skin at each change.

• No adhesive — eliminates epidermal stripping risk on fragile, macerated, or eczematous periwound skin
• Fixation via tape, secondary dressing, or compression — all less traumatic than perimeter adhesive on fragile skin
• Appropriate for patients with adhesive allergy or contact dermatitis history
• Appropriate for patients with very elderly, fragile, or steroid-thinned periwound skin
• Reduces wound extension beyond original margins — no dressing-change-induced skin damage
• Compatible with all secondary fixation methods — clinician controls fixation approach based on wound and patient

Biatain Non-Adhesive vs. Biatain Adhesive — Choosing Within the Line

Both share the identical 3D polymer foam structure, vertical wicking mechanism, beveled edges, and semi-permeable film backing. The difference is fixation:

• Biatain Non-Adhesive (this product — 6105, 3410, 3413, 3416): No border adhesive. For fragile, sensitized, macerated, or eczematous periwound skin where adhesive application or removal would cause skin damage. For wounds being dressed under compression where the bandage provides fixation. For patients with known adhesive sensitivity or contact dermatitis. Clinician controls fixation method independently.
• Biatain Adhesive (3420, 3423, 3430): Same foam with a skin-friendly hydrocolloid adhesive border. Self-contained — no tape or secondary fixation required. Best for wounds on healthy, intact periwound skin where one-step tape-free application is preferred and adhesive trauma is not a concern.

Choosing the Right Size

• 6105 — 2" x 2¾": Smallest size — for compact wounds, small pressure injuries, shallow ulcers, and any wound where a minimal dressing footprint avoids unnecessary coverage of healthy periwound skin. Also useful for post-operative wound sites and small skin abrasions. Box of 10.
• 3410 — 4" x 4": Standard size — the most commonly used; typical pressure ulcers, venous leg ulcers, diabetic foot ulcers, donor sites, and post-operative wounds of average dimension. The first-choice size for most moderate-to-heavy exudate wound presentations. Box of 10.
• 3413 — 6" x 6": For larger wounds requiring broader foam coverage — extensive pressure injuries, larger venous ulcers, wide donor sites, and wounds where the 4x4 would not provide adequate overlap of the wound plus margin. Box of 10.
• 3416 — 8" x 8": Largest size — for extensive wounds, large pressure injuries, broad venous ulcers of the lower leg, and any wound where maximum single-dressing coverage reduces application time and the number of dressing edges on the wound surface. Box of 5.

Not sure which size fits your wound? Call 1-866-218-0902 — Mon–Fri, 9am–5pm EST

Application Instructions

1. Cleanse the wound per standard protocol — irrigate and debride as indicated; dry the periwound skin
2. Select a dressing size with at least 1–2 cm overlap beyond the wound margin on all sides
3. Apply the Biatain Non-Adhesive dressing directly to the wound bed — either side of the foam may contact the wound
4. Secure with tape at the dressing corners, a secondary cover dressing, or compression bandaging as appropriate for the wound and patient
5. For use under compression: apply Biatain Non-Adhesive as primary dressing, then apply compression system per compression protocol — the beveled edges and 3D foam structure are specifically designed for this application
6. Change every 1–7 days depending on exudate level — up to 7 days maximum on lower-drainage wounds; more frequently on heavily exuding wounds as secondary dressing capacity dictates

Removal: Remove secondary fixation first, then gently lift the Biatain Non-Adhesive from the wound bed — the non-adhesive construction allows clean removal without bonding to wound tissue. If the dressing has dried at the wound surface, moisten with saline before lifting.

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Questions about Biatain Non-Adhesive or any of our foam wound dressings? Call 1-866-218-0902 — our team is ready to help.