Mattresses for nursing and hospital beds

Pro-Visco 4000

  • The Völker Pro-Visco 4000 mattress is suitable for preventing bed sores and as a therapy mattress with a special triple-layer design.
  • The mattress offers optimal pressure relief and minimisation of shearing forces and greatly contributes towards preventing bed sores, even in those at high risk (bed sore risk 1–4 or category III according to the European Pressure Ulcer Advisory Panel [EPUAP] ).
  • The Völker Pro-Visco 4000 mattress is also suitable for therapy support according to the EPUAP.

Product properties in detail:

  • Highly elastic HR cold-foam mattress in a triple-layer design.
    4 cm cold-foam base with a density of 50 kg/m³; compression hardness 4.0 kPa
    6 cm cold-foam middle layer with a density of 60 kg/m³; compression hardness 2.5 kPa
    4 cm viscoelastic upper layer with a density of 50 kg/m³; compression hardness 1.5 kPa Provides gentle support for the heels and ankles
  • Super-soft heel comfort zone with a density of 50
  • The reinforced edge zone offers increased safety and makes it easier to get in and out of the bed
  • For prevention and therapy for people with a high risk of bed sores, testedby BerlinCert
  • Excellent comfort and pressure relief as well as optimal sinking/support behaviour
  • Breathable lying zones in the middle layer
  • 10 cm border zone reinforcement on the long sides with a density of 50
  • Viscoelastic lying surface with a density of 50 kg/m³; compression hardness 1.5 kPa
  • Tensile strength – DIN EN ISO 1798 – kPa ≥ 80
  • Elongation at break – DIN EN ISO 1798 – % ≥ 120
  • Compression set – DIN EN ISO 1856 – % - ≤ 6
  • Flame behaviour – DIN 75200/FMVSS 302 – met
  • Steam vacuum disinfection up to 75°C.
  • CFC-free; 100% pure
  • Certified accordingto OEKO-TEX Standard 100, class 1 (products for babies)
  • Lower cover for easy handling when changing the sheets and protective cover
  • Easy care and hygienic
  • Core height: 14 cm; 12 cm version = middle layer 2 cm thinner


The entire mattress is manufactured according to the German Medical Devices Act (MPG) with traceable quality assurance and therefore carries the CE marking. 


Mattress cover features

Mattress cover features

  • Grey "955" protective cover
  • 100% diffusion-capable polyurethane coating; free of latex and PVC
  • 100% elastic support material in polyester
  • Washable: up to 95°C, can be tumble-dried, chemically resistant to cleaning
  • Can be steam-sterilised in autoclaves up to 105°C.
  • Waterproof, bacteria-proof
  • Resistant to blood, urine, oils, fats and disinfectants in accordance with the German Society for Hygiene and Microbiology (DGHM)
  • Weight per unit area approx. 190 ± 15 g/m²
  • Antibacterial equipment
  • Bacterial density according to DIN EN 13795
  • Water tightness according to DIN EN 20811: > 3000 mm
  • Water vapour permeability according to DIN 53122/Climate B: approx. 500 g/m²d
  • Biocompatibility (cytotoxicity) according to DIN EN ISO 10993-5
  • Biocompatibility (irritation + sensitisation) according to DIN EN ISO 10993-10
  • Pollutant test accordingto OEKO-TEX Standard 100
  • Flame-retardant according to DIN EN ISO 12952-1 & -2
  • Flame-retardant according to BS 7175 Section 3 crib 5 + crib 7
  • Hydrolysis-resistant; made without formaldehyde
  • The corners of the cover are generally taken in
  • Concealed in-seam zip on one long side and one narrow side
  • Special zip with easy-to-grip handle
  • Zip generally double-stitched and linked
  • Reinforced reversible loops for easy handling

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