Alerta Sensaflex 4000 Gel Topped Foam Mattress, Very High-Risk Pressure Relief with V-Cut Memory Foam Design
- Very high-risk profiling mattress with 3-layer gel memory foam construction: high-density foam base for structural support, central foam layer, and castellated gel memory foam top for maximum interface pressure redistribution at bony prominences - the gel component reducing peak pressure beyond what standard memory foam achieves, appropriate for very high-risk patients where the Sensaflex 3000 memory foam specification is insufficient for the individual's clinical requirement.
- V-cut memory foam section enhances airflow throughout the mattress surface, regulating surface temperature and supporting microclimate management at the skin-to-mattress interface - addressing the EPUAP/NPIAP guideline requirement that very high-risk patients receive surfaces that manage all three pressure injury causative factors: interface pressure, shear and microclimate, the last of which includes both moisture and elevated skin temperature.
- Gel memory foam top layer provides temperature regulation beyond standard memory foam, as the gel component conducts heat away from the skin-to-surface interface more effectively than foam alone, reducing the elevated skin temperature that increases metabolic demand in already-compressed tissue - particularly significant for very high-risk patients with diabetes, peripheral vascular disease or existing pressure damage where skin temperature management is a documented clinical priority.
- Multi-stretch vapour-permeable antimicrobial PU cover machine washable at high temperatures with foam autoclavable at 134°C and BS7177: Crib 5 fire compliance, meeting the full decontamination and fire safety standard for very high-risk patient contact mattress equipment in NHS ward and care home environments.
Alerta Sensaflex 4000 Gel Topped Foam Mattress: 3-Layer Gel Memory Foam for Very High-Risk Pressure Care
The Alerta Sensaflex 4000 Gel Topped Foam Mattress is the premium very high-risk profiling mattress in the Sensaflex range, combining a high-density foam base, central support layer and castellated gel memory foam top for maximum static surface pressure redistribution. The gel memory foam top reduces peak interface pressure beyond standard memory foam, and the V-cut foam section enhances airflow across the mattress surface for temperature regulation and microclimate management. The three-component construction addresses all EPUAP/NPIAP pressure injury causative factors: interface pressure (gel foam redistribution), shear (vapour-permeable PU cover), and microclimate (gel temperature conduction and V-cut airflow). Foam autoclavable at 134°C, BS7177: Crib 5 compliant.
Product Specifications
| Specification | Detail |
|---|---|
| Product Code | NCL-ALT-4000 |
| Type | Static gel memory foam profiling mattress |
| Risk Level | Very high risk |
| Construction | High-density base + central support + castellated gel memory foam top |
| Airflow | V-cut foam section for temperature regulation |
| Cover | Multi-stretch, vapour-permeable PU |
| Cover Treatment | Antimicrobial with white underside |
| Washing Temperature | Machine washable at high temperatures |
| Foam Sterilisation | Autoclavable at 134°C |
| Fire Compliance | BS7177: Crib 5 |
Clinical and Regulatory Compliance
NICE Guideline CG179 (Pressure Ulcers: Prevention and Management) specifies very high-risk patients as requiring the highest level of pressure care intervention within each surface category: the Sensaflex 4000 is the top-specification static surface in the Sensaflex range, with the gel memory foam top and V-cut airflow design providing greater interface pressure reduction and microclimate management than the memory foam 3000. The EPUAP/NPIAP/PPPIA guidelines identify microclimate as the third causative factor in pressure injury - alongside interface pressure and shear - and note that elevated skin temperature accelerates the metabolic processes of tissue ischaemia under pressure. The Sensaflex 4000's gel component and V-cut airflow design specifically address this microclimate dimension. CQC Regulation 12 (Safe Care and Treatment) requires that very high-risk patients receive the equipment specification appropriate to their documented risk level: for a patient assessed at very high risk where the clinical prescription specifies a gel-topped surface, the Sensaflex 4000 is the appropriate static surface specification. Where even the 4000 is insufficient for the individual's pressure care requirement, the clinical escalation is to an alternating pressure mattress system.
Frequently Asked Questions
What does the gel in the gel memory foam top layer actually do, and how does it differ from standard memory foam?
The gel component in the castellated gel memory foam top layer serves two functions. First, gel has a higher thermal conductivity than foam, meaning it conducts heat away from the skin-to-surface contact point more effectively - reducing the localised skin temperature elevation that occurs in compressed, foam-contact tissue and that the EPUAP/NPIAP guidelines identify as a microclimate risk factor for pressure injury. Second, gel adds a fluid-like deformation component to the viscoelastic foam structure, allowing the combined gel-foam material to conform more closely to the patient's anatomical contours than foam alone, reducing peak interface pressure at the points of maximum bony prominence contact. The castellated structure of the gel memory foam top further contributes by allowing the peaks to deform independently, and the valleys to provide airflow pathways across the mattress surface for additional temperature management.
For a very high-risk patient on the Sensaflex 4000, is repositioning still required, and at what frequency?
Yes. NICE CG179 states that a pressure-redistributing surface does not eliminate the requirement for patient repositioning: it reduces the rate of tissue damage accumulation under sustained pressure but does not reduce the maximum tolerable tissue loading duration to zero. Repositioning frequency for a patient on the Sensaflex 4000 should be determined by the individual's clinical assessment, skin observation findings and the prescribing clinician's judgement, not by the mattress specification alone. The Sensaflex 4000's static pressure redistribution typically allows longer repositioning intervals than lower-specification static surfaces for the same clinical risk level, but the interval should be confirmed by clinical skin observation: if non-blanchable erythema (Category 1 pressure injury) is observed at any repositioning despite the 4000 specification, the repositioning interval should be shortened and escalation to alternating pressure should be considered.
Part of our specialist Pressure Care Systems range. Static foam mattresses provide cost-effective pressure redistribution for lower-risk residents in care homes and home care environments.
NCL-ALT-4000
7 other products in the same category:
- Very high-risk profiling mattress with 3-layer gel memory foam construction: high-density foam base for structural support, central foam layer, and castellated gel memory foam top for maximum interface pressure redistribution at bony prominences - the gel component reducing peak pressure beyond what standard memory foam achieves, appropriate for very high-risk patients where the Sensaflex 3000 memory foam specification is insufficient for the individual's clinical requirement.
- V-cut memory foam section enhances airflow throughout the mattress surface, regulating surface temperature and supporting microclimate management at the skin-to-mattress interface - addressing the EPUAP/NPIAP guideline requirement that very high-risk patients receive surfaces that manage all three pressure injury causative factors: interface pressure, shear and microclimate, the last of which includes both moisture and elevated skin temperature.
- Gel memory foam top layer provides temperature regulation beyond standard memory foam, as the gel component conducts heat away from the skin-to-surface interface more effectively than foam alone, reducing the elevated skin temperature that increases metabolic demand in already-compressed tissue - particularly significant for very high-risk patients with diabetes, peripheral vascular disease or existing pressure damage where skin temperature management is a documented clinical priority.
- Multi-stretch vapour-permeable antimicrobial PU cover machine washable at high temperatures with foam autoclavable at 134°C and BS7177: Crib 5 fire compliance, meeting the full decontamination and fire safety standard for very high-risk patient contact mattress equipment in NHS ward and care home environments.