Arena Service Manual
1.2 INSTRUMENT DESCRIPTION
The Instrument provides dialysate at the prescribed temperature
and ionic concentration to be used for hemodialysis treatment. It
has the ability to monitor Instrument, dialysate and blood circuit
functions during dialysis. The Instrument is based on volumetric
proportioning, volumetric ultrafiltration control and digital
electronics. Instrument and treatment parameters are displayed on
a 15-inch LCD video display. Operator control is done through an
interactive touch screen, and control panel, which also makes the
Instrument very easy to use and clean.
The Instrument offers a wide range of blood and dialysate flow
rates, a choice of acid and bicarbonate concentrate types and a
choice in method of delivery: central acid and/or bicarbonate,
individual liquid acid, and individual liquid or powder bicarbonate.
This Instrument features a Patient Data Card Reader, high blood
flow rate capacity (up to 650 mL/min), automatic ultrafiltration
control, standard and variable bicarbonate and sodium dialysis
capabilities, sodium bolus delivery control, and patient profiling.
The Instrument has automated cleaning with heat disinfection, and
chemical disinfection using common chemicals like bleach and
formaldehyde, plus other disinfectants like Actril, Dialox, and
Doxan as standard features. The Instrument can operate with
either bicarbonate or acetate concentrates.
The Instrument is also able to deliver single-needle dialysis with a
single blood pump or with the addition of a secondary blood pump.
In case of any failure of the Instrument, the Instrument responds by
stopping the treatment and placing the Instrument into a safe state.
The Instrument must use only water which is compliant with the
standards set by AAMI for hemodialysis.
See Section 2 for a general description of the components of the
Instrument.
1-4 157-1278-896, Rev A
March 2004
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