The ornamental design for a lockbox for intravenousfluidbag, as shown and described.
FIG. 1 is a top, right and front perspective view of the lockbox for intravenous fluid bag showing our new design;
FIG. 2 is a bottom, left and rear perspective view thereof;
FIG. 3 is a top plan view;
FIG. 4 is a front elevation view;
FIG. 5 is a right side elevation view;
FIG. 6 is a rear elevation view;
FIG. 7 left side elevation view;
FIG. 8 is a bottom plan view; and,
FIG. 9 is a further perspective view, taken from the top right front, showing the lockbox in use with an intravenous fluid bag, showing in broken lines.
The broken line showing of environment in FIG. 9 is included for the purpose of illustrating only and forms no part of the claimed design.