echOpen, a start-up spun off from the Assistance Publique - Hôpitaux de Paris (AP-HP), incubated at the Hôtel-Dieu AP-HP hospital and co-founded by Dr. Mehdi Benchoufi and Olivier de Fresnoye, today unveils the ultraportable clinical ultrasound probe echOpen O1, completed with digital services, designed and manufactured in France when obtaining the CE marking.