QA and Security for the patient? Difficult topic. Medical devices are expensive because they are released to a regulated market. You spent 1 day developing, 1 d

QA and Security for the patient? Difficult topic. Medical devices are expensive because they are released to a regulated market. You spent 1 day developing, 1 day testing and 5 days documenting. So an unregulated but well maintained open source product which spent 2 days in testing, has a better quality but cannot show it to the authorities. The key is: "Well Maintained". For these insulin closed loop community, I bet they are. They bet their own life on it.