ITC IRMA TruPoint Blood Analysis System - Manual (Page 166)

F.4
Figure F-3
c. With the index finger of the other
hand, dispense the sample by
quickly depressing the plunger
straight down in one smooth
motion until it stops
(Figure F-3).
d. Verify that there are no bubbles
or calibrant present in the sample
path, and press
test . If bubbles or
calibrant are present, press cancel to stop the test, discard the single-use
cartridge, and begin again with a new cartridge. Proper injection
technique will prevent air bubbles or calibrant from being present in
the sample path following injection.
7. Following test completion, dispose of the device and cartridge in
accordance with established guidelines for your facility. Do not reuse the
plunger.