Sonar Software App Cleared for Respiration Measure

FDA has cleared a Sound Life Sciences 510(k) for its  sonar software for consumer smart devices. The smartphone app produces inaudible ultrasonic sonar pulses to detect reflections caused by nearby patient respiration, according to the company. The prescription-only application can be used in home or clinical settings to measure breathing, it says, adding that testing as part of the submission involved patients with conditions such as chronic respiratory pulmonary disease, asthma, congestive heart failure and anxiety.

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