Ventilation in Operating Theatre
Ventilation is essential in all occupied premises. The
requirements are determined by several factors such as fresh air supply for
human habitation, control of airborne bacteria, thermal comfort, humidity level
and so forth. The ventilation system is considered to be the main contributor to
the function and efficiency of an operating theatre. It controls the level of
comfort and the level of airborne contaminant, which often presents
post-operative wound infection risks to the patients. Hence, the planning and
designing of ventilation systems in operating theatres is crucial so that both
infection rates and operating costs are lowered. This bulletin presents a
summary of several conventional ventilation systems for operating theatres and a
comparison among these conventional systems with the Johnson Medical Guided
AirflowTM Ventilation System.
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Mobile Operating Theatre
Mobile operating theatre is
a concept of having a fully equipped and fully functional operating theatre,
which can be transported from one place to another with ease. The mobile
operating theatre is a containerised solution specifically designed for disaster
relief. It can also offer immediate or temporary extension to existing medical
facility. In the UK, the Government has pledged to reduce long waiting lists and
this has led to many healthcare facilities management to opt for this cost
effective containerised solution. This is not a rare occurrence in many other
developing and developed countries. This bulletin describes the Johnson Medical
Mobile Operating Theatre in providing optimal combination of high performance,
functionality and mobility..
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Energy Consumption of Ventilation in OT
Operating theatre ventilation systems are
expensive to operate in terms of energy costs. This is due mainly to the high
volumetric flow rate caused by the operating theatre ventilation systems.
Minimum air volumes are usually fixed by the room loads or fresh air
requirements. However, in any given operating theatre with the conventional
laminar airflow (LAF) type of ventilation system installed, the air volumes have
to be increased dramatically in the hope to achieve uni-directional airflow.
This, obviously, has great impacts on the healthcare facility operating costs.
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