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Useful Tips

Optimizing the Performance of your Littmann Stethoscope

Five tips for using your 3M™ Littmann® Stethoscope properly.

Littmann stethoscopes are known for first-class sound quality and comfort. But there are some simple things you can do to ensure the performance and wearability of your new scope.

1. Align the headset

Before placing the eartips in your ears, make sure they point forward, away from you. (Figure A) This ensures that the eartubes will align with your ear canals for comfort and maximum sound transmission. Holding the headset in front of you with one eartube in each hand, pull the headset open and place the eartips into your ears. (Figure B)

If the fit isn’t comfortable, or acoustic performance is lacking, adjust the headset tension. All Littmann stethoscopes feature adjustable headsets. Gently squeeze the eartubes together to increase headset tension; pull them apart to decrease tension.

Wearing the headset improperly, (eartips pointing backwards, for example, as in Figure C) can result in a poor acoustic seal and, in some cases, complete sound blockage.

stethoscope Littmann Proper Insertion
A. stethoscope Littmann Proper Insertion
Stethoscope Littmann Correct Positioning
B. Stethoscope Littmann Correct Positioning
Stethoscope Littmann Incorrect Positioning
C. Stethoscope Littmann Incorrect Positioning
Stethoscope Littmann right eartip size

2. Use the right eartip size

For optimal acoustic performance, it’s important to use the eartip size that best fits your ear. This is especially true when using the soft-sealing eartips. All Littmann stethoscope eartips are available in small and large.

Stethoscope Littmann Rotate to the correct side

3. Rotate to the correct side

When using a double-sided Littmann stethoscope, you need to open (or index) the side you want to use—bell or diaphragm—by rotating the chestpiece. If the diaphragm is open, the bell will be closed, preventing sound from coming in through the bell, and vice versa.

Stethoscope Littmann Remove potential obstructions

4. Remove potential obstructions

If you usually carry your stethoscope in a pocket, or don’t clean it often, lint or dirt may accumulate and obstruct the sound pathway. To prevent debris from accumulating, give your stethoscope routine cleaning and care. If you use a 3M™ Littmann® Cardiology III™ or Classic III™ Stethoscope, keep the open bell free of debris by covering it with the removable diaphragm.

Check the seal of Stethoscope Littmann

5. Check the seal

Stethoscopes rely on an airtight seal in order to transmit body sounds from the patient to the practitioner’s ears. Loose parts in the chestpiece, loose or cracked tubing, or improperly seated eartips can prevent an airtight seal.

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Stethoscope Littmann
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