Patent ID: 8753311
Filing Date: 2014-06-17
Classification: A61M,Y10T

Abstract:
1. A process for filling of a propellant chamber of a gas pressure driven implantable pump with a propellant comprising the steps of: providing a pump having a medicament chamber and a propellant chamber; providing a propellant pillow including a permeable propellant bag and a self-sealing septum structure having a first septum with a top surface and a second septum with a bottom surface and a septum opening extending from the bottom surface partially through the septum structure, the bottom surface being affixed to the bag; filling the pillow with the propellant, wherein the filling step includes laterally inserting a syringe into the septum structure; inserting the pillow filled with the propellant in the propellant chamber; and closing the propellant chamber.