Aclaris Medical develops physiological monitoring technology, with a particular focus on a wearable ambulatory monitor for PTSD that measures relevant physiological parameters over long periods of time without disturbing the patient's life. The companyâs PTSD monitor incorporates sensor and algorithm intellectual property for improved signal to noise ratio. The research team, led by Mark Bly, has successfully developed and commercialized ambulatory monitors for arrhythmia detection and heart failure patient monitoring in the past.