David Littmann
Encyclopedia
David Littmann, M.D., was a German cardiologist and Harvard Medical School
Harvard Medical School
Harvard Medical School is the graduate medical school of Harvard University. It is located in the Longwood Medical Area of the Mission Hill neighborhood of Boston, Massachusetts....

 professor and researcher. The name Littmann is well known in the medical field for the patented Littmann Stethoscope
Stethoscope
The stethoscope is an acoustic medical device for auscultation, or listening to the internal sounds of an animal body. It is often used to listen to lung and heart sounds. It is also used to listen to intestines and blood flow in arteries and veins...

reputed for its acoustic performances for auscultation
Auscultation
Auscultation is the term for listening to the internal sounds of the body, usually using a stethoscope...

.

With Gus Machlup, Dr. David Littmann founded Cardiosonics, Inc. to sell his stethoscopes. At that time the stethoscope line consisted of two key models, the doctor's stethoscope and the nurse's stethoscope.

3M
3M
3M Company , formerly known as the Minnesota Mining and Manufacturing Company, is an American multinational conglomerate corporation based in Maplewood, Minnesota, United States....

acquired the stethoscope company on April 1st, 1967, and hired Dr. Littmann as a consultant. 3M currently produces the range of Littmann brand stethoscopes .

External links

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