The invention generally relates to an apparatus and a method for mixing of liquids or of particles with a liquid. The invention also concerns a vehicle using this device. The balloon has pores on the distal end of the balloon for administering a fluid into the target pulmonary vein. Next, the casing, if one is installed, and wellbore are perforated using a high pressure fluid being ejected from a hydrajetting tool. A Windows Communication Foundation service helps with authenticating the users with the encryption key and login process stored and processed by the web server.