When using stethoscope, should see the direction of the ear tube first, the ear tube of the stethoscope is pulled outward, the ear tube is inclined forward, the ear tube is worn into the external ear canal.Because the Angle of the forward tilt of the ear canal is in line with the direction of the external auditory canal of the human body, it is conducive to sound transmission.
Subscribe to our weekly newsletter and receive exclusive offers on products you love!
X
