Fresenius Medical Care 2008K Operator's Manual page 196

Appendix A—Single Needle Dialysis (Optional)
Warning! Kinked lines can cause hemolysis of the blood.
Warning! If using a dialyzer that has been stored in a liquid disinfectant such as
formaldehyde or Puristeril 340, test the recirculating saline solution for residual disinfectant
according to established facility protocol or the manufacturer's instructions. Special rinsing
techniques must also be employed to assure the concentration of disinfectant is reduced and
maintained at an appropriate level. These rinsing procedures are the responsibility of the
medical director. The procedure must include a test for residual disinfectant and techniques
to avoid rebound of the disinfectant. Turning the dialysate flow off when using a reused
dialyzer may allow the chemical disinfectant to rebound (increase) to an unacceptable level.
11. Replace the saline bag with a fresh bag if necessary.
12. Check for a normal dialysate flow by observing the rise and fall of the external flow
indicator located on the dialyzer supply line. The float should drop four times in about
15 seconds for a 500 ml/min flow, or four times in 10 seconds for an 800 ml/min flow.
13. Open the shunt door and verify that the machine goes into bypass mode. In bypass mode,
the float in the flow indicator of the dialyzer supply line should drop and remain at the
bottom of the indicator and an audible alarm may sound.
Note: The 2008K hemodialysis machine can be configured (in Service Mode) so that
audible alarms occur only when the optical detector senses blood. If this option is not
selected, an audible alarm will sound when the shunt interlock door is open.
Setting Single Needle Dialysis Treatment Parameters
Follow the instructions in the "Setting Treatment Parameters" section on page 57. The Single
Needle option on the "Test & Options" screen will be set after inserting the single needle
blood pump segment in the next section.
Starting Single Needle Dialysis
At this point, all treatment parameters and options should be entered. Dialysate should
already be verified for absence of disinfectant, verification of prescription, conductivity, and
pH should also be confirmed. It is now time to insert the single needle blood pump segment
and connect the patient to the 2008K hemodialysis machine via the blood tubing and begin
the dialysis treatment.
1. Press the Start/Stop key on the Arterial Blood Pump module to stop the blood pump.
2. Open the single needle blood pump door to insert the single needle blood pump segment.
Warning! Inspect the blood pump rotor for proper operation (tubing guide posts not bent,
rollers move freely, crank lever moves freely). Bent or loose tubing guide posts can damage
bloodlines. Replace rotor if necessary. See page 127 for rotor diagram.
Caution: If you are using a Single Knob Single Needle Blood Pump module, you must
make sure that the pump is set for the diameter of the blood pump segment.
196 2008K Hemodialysis Machine Operator's Manual Rev P