Special Features:

Noise immune stethoscope (nis) or noise-cancelling electronic stethoscope enables an operator to hear heart and breathing sounds, in the presence of noise from rotary and fixed wing aircraft, heavy machinery, ground ambulances and other sources of high-intensity sound; this capability will enhance the operator's ability to maintain the airway, detect pneumothorax, monitor resuscitation, and evaluate patient condition - all joint operational concepts of battlefield medicine; this device will be used to ensure patient care in high ambient, noise environments that medical personnel in the air and ground medical evacuation platforms often face on the battlefield or during patient transport

Properties:

An indirect reading instrument which amplifies by electronic circuitry. Includes headset, bell, and/or diaphragm head with necessary components.