An apparatus and method for determining proper endotreachal placement is disclosed. The apparatus includes an audio receiver having a body, a microphone mount in a center thereof the body and an audio cavity, an audio processing unit; and a signal cable connected at a first end to the microphone and...http://www.google.es/patents/US8038629?utm_source=gb-gplus-sharePatente US8038629 - Digital endotracheal tube sound acquisition and localization device
Digital endotracheal tube sound acquisition and localization device
