Apparatus, system and method for fluid delivery

A filling aid comprising:

• a needle housing portion defining an interior opening and having an exterior surface;
• and
• a filling needle cradle comprising an outer cradle housing and a filling needle, the filling needle cradle slidably movable along the exterior surface of the needle housing portion from a starting position to a filling position, the filling needle cradle further comprising an orientation bar extending from the cradle outer housing to the needle whereby the needle is positioned in the interior opening of the needle housing portion wherein the needle housing portion further comprises a tab having a starting position and a filling position, and wherein when the tab on the needle housing moves from the starting position to the filling position, the filling needle cradle slides from the starting position to the filling position, and wherein when the at least one tab on the needle housing moves from the filling position to the starting position, the filling needle cradle slides from the filling position to the starting position and whereby the needle housing is releasably engageable to the filling aid base and the filling aid base flexes the tab between the starting position and the filling position.