The ornamental design for a humanlumbarpuncture assist device, as shown and described.
FIG. 1 is a front bottom perspective view of a human lumbar puncture assist device, showing my new design;
FIG. 2 is a rear top perspective view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a left side elevation view thereof;
FIG. 8 is a right side elevation view thereof; and,
FIG. 9 is an enlarged cross section view taken in the direction of 9-9 of the FIG. 3 view.
The broken lines in the views are directed to environment and the dot-dot-dash lines and break symbol in FIGS. 3 and 9 are for reference puposes only in order to illustrate the partially enlarged view; the broken lines form no part of the claimed design. The wire frame lines shown throughout the views at the edges are intended to indicate surface contour.