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Howorth Exflow - the world's most effective ultra clean ventilation system
• Larger clean zone
• Quieter
• Reducing rates of post operative infection
• Facilitating new theatre working practices eg 'barn theatre'
The Howorth Exflow UCV was jointly developed with the late internationally acclaimed orthopedic surgeon Sir John Charnley, as the world's first clean air enclosure for orthopaedic surgery. Howorth subsequently perfected and patented the unique Exflow unit with a graded velocity airflow, vertical in the central area and radially outwards at the periphery, creating an exponential profile.
Already installed in over 2000 operating theatres worldwide, the Howorth Exflow is now available in two sizes - 2.8m square and 3.2m square. Both models provide microbiological cleanliness and airflow results exceeding the current regulatory requirements and the proposed revision of HTM 2025.
Clean air has never been so quiet
The 3.2m Exflow unit is totally self-contained, with integral fans for compactness yet still only has an operational noise level of 51 Dba. It delivers an air volume of 14000 m3 per hour giving 500 air changes per hour and a measured light level of 1200 lux from its inbuilt luminaires.
The Exflow's ablity to exclude entrainment of external airborne particulate has made it particularly suitable for so-called 'barn theatres', within whose totally open space multiple operations can be carried out simultaneously under adjacent Exflows. |
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