Floor drains in hospitals are not just a sanitary issue — the biofilm in the P-trap has been documented as a reservoir of resistant strains such as Pseudomonas aeruginosa, CRE, and Klebsiella pneumoniae. Studies published in the Journal of Hospital Infection show aerosolization of pathogens when water is flushed. Green Drain™ is a physical one-way seal with SGS-proven blocking of >99.9% of viral aerosols, registered in EUDAMED as a Class I medical device (EU 2017/745).
Hospital room, bathroom, ICU unit—each floor drain after patient discharge and during seasonal reduced use exposes the space to the risk of pathogen aerosolization. Literature published in the Journal of Hospital Infection and the American Journal of Infection Control has documented outbreaks of infections associated with drains.
According to data from the Croatian Institute of Public Health, the Croatian hospital system handles over 631,000 hospitalizations annually. Every room, every ICU unit, every restroom has floor drains that represent a potential vector for infection.
Statistical data were taken from official sources: State Statistical Office (data.dzs.hr) Croatian Institute of Public Health (hzjz.hr), Ministry of Labor, Pension System, Family and Social Policy (mrosp.gov.hr), Agency for Science and Higher Education (azvo.hr), Ministry of Tourism and Sports (mint.gov.hr). Regulatory framework: EUR-Lex for EU directives and regulations — EU 2017/745 (MDR), EU 178/2002 (food safety), EU 1935/2004 and EU 10/2011 (food contact materials), EU 528/2012 (BPR), EU 2014/34 (ATEX). Standards: EN 1253-1 (floor P-traps, water seal ≥50 mm), EN 1253 Parts 6/7/8 (mechanical seal failures, 2023), HACCP Internacional RG-04, ASSE 1072-2020, NSF/ANSI 2. Tourism data taken from the DZS publication for H1 2025, healthcare data from the HZJZ report 2024, data for education from DZS publications for the 2023/2024 and 2024/2025 school years, data for nursing homes from the MROSP report, and announcements of EU-funded construction in 2025. Revision date: May 2026.
Our technical team works with the epidemiologist, the chief nurse, and the technical service—from mapping to delivery.
The technician maps all drains (rooms, bathrooms, sanitary nodes, kitchen blocks). We measure the internal diameter and the type of grate.
Written recommendation with sizes (GD 1.25 to GD 6), total number of pieces, and specification according to EN 1253-1.
We place samples in five representative rooms for seven days. Your epidemiologist assesses the effect on the swabs.
The technical service installs an entire department in a single day of work. No downtime, no plumber. No intervention for years.
Croatian hospitals are built according to EN 1253. P-traps in rooms and sanitary units are predominantly 1.5″ (DN40) — the most common size. Operating rooms, sterilization areas, and central kitchen drains are larger in size. A typical KBC facility requires four to five different sizes throughout the building.
Yes. It is registered in the EUDAMED EU database as a Class I medical device under Regulation (EU) 2017/745 (MDR), intended to contribute to infection control in healthcare facilities.
Yes. The silicone material is resistant to sodium hypochlorite up to 5%, quaternary ammonium compounds, isopropanol, and ethanol at standard hospital concentrations. A detailed chemical compatibility list is provided upon request.
Use a standard drain disinfectant. The seal is not disassembled or removed for cleaning—it's treated the same as a standard U-bend. Perform a visual inspection once a month.
The expected lifespan is 5 years under normal use. ASSE 1072-2020 is tested for over 2,500 opening and closing cycles.
Green Drain™ doesn't work alone — for maximum drain control it's combined with GD Uri-Tabs™ (urinals) and GreenSwirl™ (cleaning).
Patented silicone seal for all floor drains in restrooms, rooms, operating rooms, and ICUs. EU MDR Class I documented barrier for IPC programs.
Bio-enzyme urinal tablets for public restrooms and clinics. They reduce staff and patient exposure to the odours and bacteria of urinal scale.
Biofilm bio-cleaning in the sewer lines of hospital sanitary facilities. Reduces the microbiome reservoir in P-traps and sewer pipes.
A one-way floor drain valve classified as a Class I medical device under Regulation (EU) 2017/745. Conformity is self-declared by the manufacturer under Annex IV — for Class I devices that are non-sterile and have no measuring function, no notified body is involved. Manufactured under ISO 13485:2016.
Green Drain™ is non-invasive, non-sterile, and without measurement functions — does not come into contact with the body. According to Annex VIII of the MDR classification rules, this places it in the lowest risk level.
Despite its low class, the production system is satisfactory. ISO 13485:2016 — medical device standards — including traceability by lot and change control.
We come to the site, map the drains, and provide a written recommendation—no cost, no obligation.