Foam-coated implants with strong tissue adherence — essentially zero rotation, very low capsular contracture rates. Specialty option for anatomical implants and complex revision. European market dominant; not FDA-approved in USA.
Polyurethane-coated implants have a foam coating over the silicone shell that encourages strong tissue ingrowth — essentially zero rotation, very low capsular contracture rates. Different mechanism from macrotextured (separate foam layer vs textured silicone surface) and lower BIA-ALCL risk. Manufactured by Polytech (dominant European brand). Best fit: anatomical implants where rotation must be minimised, revision after capsular contracture, complex revision needing strong fixation. Not FDA-approved in USA; available in EU and other markets.
| Surface | Texture scale | BIA-ALCL risk profile | Best for |
|---|---|---|---|
| Smooth | Polished/glossy | Essentially undetectable | Round implants where rotation doesn't matter |
| Microtextured | Fine surface roughness (~50-100 µm) | Lower than macrotextured | Anatomical implants; modern standard |
| Macrotextured | Coarser pores (~200-700 µm) | Higher (BIOCELL-pattern recalled 2019) | Largely withdrawn from market |
| Polyurethane-coated | Foam-like coating | Very low | Specialty — strong tissue adherence, low rotation |
The surface decision is one of the most clinically meaningful in implant selection. Surface affects rotation risk (anatomical implants need texture; round don't), capsular contracture rates (debated but historically textured had lower rates), and BIA-ALCL risk (specifically associated with macrotextured surfaces).
A polyurethane-coated breast implant has three layers:
The foam layer is the differentiating feature. When implanted, surrounding tissue grows into the foam over weeks-to-months, creating very firm adhesion. Over years, the polyurethane gradually dissolves and is absorbed by the body — leaving the silicone shell with surrounding tissue firmly adherent to its surface.
Polyurethane-coated implants have very low capsular contracture rates in published data:
| Surface | 10-year capsular contracture rate |
|---|---|
| Smooth (modern) | ~3-6% |
| Microtextured | ~2-5% |
| Macrotextured (when used) | ~1-3% |
| Polyurethane-coated | ~1-2% |
The mechanism: the strong tissue ingrowth into the foam creates a more regular, less contractile capsule. The capsule that forms around polyurethane-coated implants tends to be thinner and less prone to contracture than capsules around other surface types.
For anatomical implants, polyurethane-coated essentially eliminates rotation:
| Anatomical implant surface | Rotation rate |
|---|---|
| Smooth anatomical | ~10-15% (rarely used) |
| Microtextured anatomical | ~1-3% |
| Macrotextured anatomical (when used) | ~0.5-2% |
| Polyurethane-coated anatomical | Essentially 0% |
For patients with anatomical implant indications (most commonly breast reconstruction) where rotation must be absolutely minimised, polyurethane-coated is among the most established choices in current European practice.
Polytech is the dominant manufacturer of polyurethane-coated breast implants globally:
| Brand | Polyurethane product | Availability |
|---|---|---|
| Polytech | Multiple polyurethane-coated lines (Diagon\Gel 4Two, etc.) | EU, UK, many international markets |
| Silimed | Polyurethane-coated variants | Brazil, Latin America, some EU |
Polyurethane-coated implants are NOT FDA-approved in the USA — patients seeking polyurethane in the USA must look to international options or wait for potential FDA approval. In Europe and many international markets, polyurethane-coated is widely available alongside other surface options.
Specialty positioning. Polyurethane-coated implants are appropriately positioned as a specialty choice for specific indications — anatomical-rotation-critical cases, capsular contracture revision, complex reconstruction. For most primary augmentation patients, smooth or microtextured will be the appropriate first choice. Polyurethane is the right answer for specific clinical scenarios where its unique properties matter.
Send 5-angle photographs via WhatsApp. Personal assessment with profile and size recommendation within 24 hours.
WhatsApp +90 544 850 72 32 →