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Blood and Fluid Warmer Technical Service Pack
54
SECTION 5
Maintenance Solutions
Changing Recirculating Solution (Distilled Water)
If using plain distilled water as the recirculating fluid, then this
must be changed at the 30-day service interval, using the procedure
given here. Smiths Medical currently recommends using the
Hydrogen Peroxide based recirculating solution which allows a
12-monthly recirculating solution change protocol, resulting in a
significant reduction of service time.
Maintenance Solutions
At service intervals of either 12-months or 30-days, depending on the
composition of your recirculating solution, you will need supplies of ready mixed
solutions to perform maintenance. To make up a batch (1.4 litres) of solution, you
will need:
Formula 1
140ml of 3% Hydrogen Peroxide PLUS 1260ml distilled water
This may be used as a disinfectant fluid for flushing the recirculating solution
path during routine maintenance, or as a long-life recirculating solution enabling
fluid change intervals to be extended to 12-monthly.
Formula 2
700ml of 70% Isopropyl Alcohol PLUS 700ml distilled water
This may be used as a disinfectant fluid for flushing the recirculating
solution path during routine maintenance, or as a recirculating solution. It is NOT
suitable for long-term use, and must be replaced at 30-day intervals.
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