Introduction
The user manual is for the 3M LITTMANN stethoscope, a medical device used by medical professionals to hear heart sounds and other body sounds.
About the Stethoscope
The stethoscope is a mechanical stethoscope with improved acoustics, designed to amplify low-frequency sounds that indicate heart pathologies.
3M sells a “family of stethoscopes” under the LITTMANN brand, including mechanical and electronic stethoscopes.
Trademarks
The stethoscopes at issue are two top-of-the-line mechanical stethoscopes, the LITTMANN sub-brands MASTER CARDIOLOGY and CARDIOLOGY III.
The stethoscopes are branded with both the 3M and LITTMANN brands, including the LITTMANN QUALITY Stylized L registered trademark.
Manual:
Download: 3M LITTMANN Stethoscope User Manual
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