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The SonoSentry™ WheezeRate™ Detector is intended to detect and record abnormal breath sounds (continuous adventitious breath sounds/CABS) at the windpipe (trachea), reported as WheezeRate™ in adults and children (2 years and older). WheezeRate™ represents the percentage of abnormal breath sound detected during the measurement time. A licensed health care professional's advice is required to understand the meaning and importance of the SonoSentry™ readings.

The SonoSentry™ WheezeRate™ Detector is a hand-held electronic measurement device that utilizes an acoustic contact sensor to acquire, amplify, filter, record and analyze breath sounds at the trachea for the presence of continuous adventitious breath sounds/CABS. The device calculates and outputs a WheezeRate™ based on the amount of abnormal breath sounds detected in a given time. The device is designed for use in adults and children (ages 2 years and older). The SonoSentry™ WheezeRate™ Detector consists of: - . An acoustic contact sensor - . An air-coupled electret microphone for ambient noise reiection module - LCD screen to display measurement results . - . 4 user buttons - . Signal conditioning and digitization PCB - Dedicated DSP . - . SDRAM memory - . Embedded software