VoluMetrix announced today that it received FDA breakthrough device designation for its NIVA HF venous waveform monitor. Nashville, Tenn.–based VoluMetrix designed the investigational NIVA HF device to monitor the venous waveform, a novel physiologic signal in heart failure patients, through its non-invasive venous waveform analysis (NIVA) technology. According to a news release, a fast-track grant […]