Double barrel stethoscope

What is the difference between a double barrel stethoscope and a double stethoscope?

Similarly, a double stethreshope is used in different instruments to avoid lifting and pressure from the usual use of double-bathtubes. For double reason, the double stethreshope is often used in hospitals with different blood collection and medication, because that is why most of these instruments are lighter and less used than traditional medical instruments.

There are many varieties of medical instruments today and as the technician advances, double stethreshopes are one of the most common medical instruments today.