Operating theatres, intensive care, isolation ward

Operating theatres are the heart of any hospital or practice with procedure rooms. With their years of experience, the experts at Gesa Hygiene-Gruppe will help you from creation, acceptance and requalification to periodic cleaning.

Our services:

Specialist operating theatre planning

  • Support for developers when drafting the medical hygiene tasks for the planning of new operating theatres and renovation of existing ones
  • Assessment of draft and detailed plans by architects and general/detailed planners
  • Support for building contractors throughout the construction process

DIN 1946-4:2008-12-compliant hygienic acceptance testing and technical acceptance testing of newly established operating theatres

  • DIN EN ISO 14644-3-compliant filter fit and integrity testing
  • Supply air, exhaust air and overflow flow rate for operating theatre
  • Direction of overflow to operating theatre doors
  • Direction of overflow to ceiling cavity in the operating theatre false ceiling
  • Distribution of supply air speed and temperature at distributor
  • Average of supply and exhaust temperature
  • Temperature difference of average room air temperature minus average supply air temperature
  • Surface temperature of the surfaces surrounding the room (walls, ceiling, floor, etc.)
  • Comfort parameters across operating table (air speed, degree of turbulence, air temperature,
  • sound pressure level, relative humidity)
  • Flow visualisations in accordance with Appendix B
  • Determination of protection class
  • At the customer's express request: Degree of turbulence measurement in accordance with Appendix D
  • Definition of the borders of the protected area
  • Hygiene inspection of HVAC system and areas supplied by the HVAC systems
  • DIN EN ISO 14644-3-compliant recovery test in class 1b operating theatres

Periodic room inspections in accordance with Table 1: DIN 1946-4:2008-12-compliant inspections of rooms established within a period ≤ 36 months

  • Minimum outdoor air and overall volume flow check for each room
  • Operating theatres: DIN 1946-4:2008-12-compliant technical inspections on operating theatres established within a period ≤ 36 months
  • Room air temperature, room air velocity, relative humidity, sound pressure level and outdoor air rate testing
  • DIN EN ISO 14644-3-compliant filter fit and integrity testing
  • Value and distribution of supply air discharge speed, calculation of overall supply air flow rate
  • Value and distribution of supply air discharge temperatures, calculation of average supply air temperature
  • Value and distribution of room air temperatures, calculation of average room air temperature
  • Temperature difference of average room air temperature minus average supply air temperature
  • Comfort parameters above operating table (air speed, degree of turbulence, air temperature, sound pressure level, relative humidity)

Operating theatres: DIN 1946-4:2008-12-compliant hygiene inspections on established operating theatres - inspection period ≤ 12 months

  • Direction of overflow to operating theatre doors
  • Direction of overflow to ceiling cavity in the operating theatre false ceiling
  • Microbiological monitoring
  • Flow visualisation of discharge behaviour and shielding of protection area in accordance with Appendix B
  • DIN EN ISO 14644-3-compliant recovery test in class 1b operating theatres - inspection period ≤ 24 months

Operating theatres: Hygiene inspections of existing operating theatres in accordance with Annex B.2 - inspection period ≤ 12 months
(in the case of special regulations in individual federal states)

  • Particle counting in all class I rooms directly in the supply air, aerosol delivery where necessary
  • Airborne germ concentration measurement in supply air for class I rooms (scope to be determined by hygiene expert)
  • Evidence of direction of flow for rooms in operating theatre department at peak and partial load

Disinfection

  • Periodic cleaning and disinfection of entire operating theatres
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