The plasma pen treatment is generally allowed to be used with an official examination and by doctors.
 
Der Firmenunabhängige Plasma Pen ist allgemein in einigen Bundesländern die Anwendung_cc781905-5cde-3194 -bb3b-136bad5cf58d_aktuell prohibited without carrying out an official examination or as a doctor.
In other states it is allowed.
Plus material/equipment.