7. PREPARING THE MATERIAL
37
Notes for rubber and plastic tubing
– Always rinse before use with pyrogen-free water; do not dry them;
– Arrange the tubing on the tray so that their ends are not obstructed or crushed.
– Do not bend or wind them, but allow them to lie as straight as possible.
Notes for packets and packages
– Arrange packages side-by-side, suitably spaced and absolutely not
piled, to avoid their
coming in contact with the walls of the chamber.
– Whenever it is necessary to wrap particular objects, always
use suitably porous material
(sterilization paper, muslin napkins, etc.), closing the wrapping with autoclave adhesive
tape.
Notes for wrapped material
– Wrap instruments individually
or, when more than one instrument are placed in the same
wrapping, make sure that they are made of the same metal
;
– Seal the wrapping with adhesive tape
for autoclaves or heat-sealing machines.
– Do not use staples, pins or other fasteners since they can compromise the maintenance of
sterility;
– Arrange the envelopes so as to avoid forming air pockets that obstruct the correct
penetration and removal of the steam.
– Orient the envelopes so as to leave the plastic side up and the paper side down (tray
side).
– In any case, check that they are correctly positioned, turning them over
, if necessary.
– If possible, place the envelopes edgewise
to the tray, with a suitable support.
– Never
superimpose envelopes on top of each other.
WARNING
WHENEVER YOU ANTICIPATE PROLONGED STORAGE, ALWAYS WRAP
THE INSTRUMENTS. SEE THE CHAPTER, “PRESERVING STERILIZED
MATERIAL”.
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