3M Littmann Classic II Pediatric Instrucciones de uso - Página 3
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Instructions for Use
Chestpiece
On Littmann stethoscopes with traditional combination
chestpieces, you select either the diaphragm or open bell
side by holding the chestpiece stem in one hand and
rotating the chestpiece with the other hand until a click
is felt.
Headset Adjustment
Correct
Incorrect
Low frequencies: Use
light contact on the bell
side to hear low-
frequency sounds.
High frequencies: Turn
the chest piece over,
index to the opposite side
and use firm pressure to
hear high-frequency
sounds.
Your Littmann stethoscope is
designed to provide a
comfortable, acoustically
sealed ear fit. Notice that the
eartubes are set to
accommodate the typical
anatomy of the ear canal. The
eartips should point in a
forward direction as you insert
them into your ear canals.
attaching the eartip to the eartube. The eartips are
pushed on to the end of the eartube and snapped firmly
into place. To remove, pull firmly on the eartip.
Removing the Diaphragm and
Cleaning the Chestpiece
2
To reduce spring tension in
the headset, hold each eartube
at the bend near the eartip
and gradually pull apart until
fully extended.
To increase spring tension,
grasp the headset with one
hand where the eartubes enter
the plastic tubing and squeeze
until the plastic tubing on one
eartube touches the other.
Repeat as necessary.
For maximum acoustic
performance, comfortable
patented 3M™ Littmann®
Soft-sealing Eartips are
provided with your
stethoscope. This stethoscope
utilizes a unique design for
With the diaphragm side up,
push the rim at one point
with both thumbs and roll
the rim off the edge of the
chestpiece. Remove the
diaphragm from the rim and
clean parts in soapy water or
wipe with alcohol. Wipe