Patent ID: 9017272
Filing Date: 2015-04-28
Classification: A61N

Abstract:
1. A medical device for use by a rescuer who is caring for a patient, comprising: a substantially rigid housing having a transmission area; a component located within the housing configured to detect a parameter of the patient or deliver therapy to the patient or both; a voice coil located within the housing and positioned substantially adjacent to the transmission area, the voice coil configured to generate a preliminary sound signal in response to an electrical audio signal; an exterior diaphragm to provide a watertight seal of the transmission area, the exterior diaphragm integrally formed as a portion of the housing that surrounds the transmission area, and the exterior diaphragm structured to generate in response to the preliminary sound signal a rescuer sound that can be heard directly by the rescuer; and a structural element directly attached to the housing, covering the transmission area at least in part, and disposed between the voice coil and the exterior diaphragm.