Hitachi EUP-B712 Instruction Manual page 39

Manual Cleaning:
Prepare the detergent solution in a tank with cold water (please follow
the instructions of the detergent manufacturer regarding application,
dilution and contact time).
1) The temperature of the detergent solution should be between 15-30 °C,
concentration is 1.6%. Please note the minimum contact time of the
detergent in the manufacturer's instruction. If a differing
detergent
compatibility for the medical device.
2) Separate the needle guide bracket to thumbscrew #1, thumbscrew #2,
spring, knob, and the body of the needle guide bracket (see Fig.
25).
3) Immerse all parts of the needle guide bracket into the diluted
detergent solution.
4) Using a syringe flush the cavity and the spiral spring of the needle
guide bracket 5 times under the surface of the detergent solution
with 50 ml diluted detergent. Brush the whole length of the cavity
and the spiral spring of the needle guide bracket at least 5 times
by using an applicable brush.
5) Wipe the parts of the needle guide bracket under the surface of the
detergent solution with a single-use fluff free soft cloth to remove
all visible soil. Be sure that all grooves of the needle guide bracket
are implemented during the cleaning process.
6) All parts of the needle guide bracket should be left in the detergent
solution according to the specified contact time of the detergent
manufacturer.
7) Rinse all parts of the needle guide bracket with running tap water
for 1 minute. (alternatively: immerse them in a tray filled with
deionized water/tap water (see Fig. 25) for 5 min.)
8) Visually check the outer surface of all parts of the needle guide
bracket for cleanness. If necessary, use magnifying glass for
visually check. If there is still soil visible, repeat all above
steps.
The body of the
needle guide bracket
Fig. 25
is used, please
Thumbscrew #1
Immersion of the Needle Guide Bracket
also note the
Water, Detergent
or Disinfectant
Spring
Knob
Thumbscrew #2
-33-
approved material
Q1E-EP1412