4. Hydraulic Theory
4. HYDRAULIC THEORY
4.1 OVERVIEW
The Arena Instrument is designed to heat incoming water to
approximately human body temperature, mix the water with
dialysate concentrate in physiologically correct proportions and
infuse the dialysate through an artificial kidney to effect
hemodialysis therapy. In doing this, it also accurately measures
the amount of fluid entering and exiting the artificial kidney and
can adjust these volumes to control the fluid removal from the
patient. Operation of the hydraulic components is controlled by
several microprocessors. Refer to Figures 4-1 and 4-2 for the
location of components in the Instrument and to the standard
hydraulics diagram (157-1278-587) at the end of this section for
thier sequence in the flow path.
Figure 4-1. Standard Hydraulics Module, Front View
157-1278-893 4-3
January 2004
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