Honestly, I don’t know yet. Give me a week to adequately look into the information and give you a medically informed opinion. Thank you 🙏🏽 for asking a question.

@@juliogarciart2200 being in medical equipment industry, I came across a machine called Metran Hummingvue from Japan which is piston based. I'm glad to receive a response from you. Your opinion would be very helpful.