A:76 AK 98 Dialysis Machine - Haemodialysis - Double needle
treatment
HCEN12745 Revision 10.2016
Program version 2.xx
4.1 Basic functionality
Double needle treatment uses two needles, one connected to the arterial blood line
and one connected to the venous blood line.
ā The patientās blood leaves the body via the arterial blood line.
ā The blood is cleaned in an artificial kidney (dialyzer).
ā The blood comes back into the body via the venous blood line.
CAUTION!
Use the correct blood pump rotor. Check that it is adjusted correctly for the occlusion
of the blood pump segment being used. This check shall be performed by an
authorised service technician.
4.2 Start a double needle treatment
4.2.1 Check before treatment
Procedure
1) The mains cable should be connected to a mains supply with protective earth.
2) The main switch should be on.
3) The water supply should be connected to the inlet water tube, and switched on.
4) The outlet tube (drain) should be properly placed with an air gap between the
dialysis machine and the drain/sewer system.
5) The dialysis fluid tubes should be connected to the safety couplings.
6) The WRO 300 H water purification unit should be in standby mode (if it is to be
used).
7) All accessories should be ready and available for use, for example A-concentrate,
BiCart cartridge, dialyzer, blood lines and priming bag.
4.2.2 Start functional check
Before a treatment can be started the dialysis machine performs a functional check.
The machine checks that internal functions, for example safety functions and alarm
systems, are working. The machine performs either an extended functional check or a
shorter basic functional check. An authorised service technician can preset the
machine to perform a basic functional instead of an extended functional check
between treatments.
A basic functional check will be performed if these criteria are fulfilled:
ā Basic functional check is enabled by an authorised service technician.
ā A successful extended functional check has been performed that day (from 00:00).
ā A successful extended functional check has been performed after service menu
was entered.
ā A successful extended functional check has been performed after a technical error
was generated.
ā A successful extended functional check has been performed after date and/or time
were changed.
CAUTION!
During a functional check the blood pump rotor is moving. Do not open the blood
pump door until the Blood pump button is flashing.