FIG. 1 is a front elevational view of a base for a portable medical device or laptop showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a side elevational view of the left side thereof;

FIG. 4 is a side elevational view of the right side thereof;

FIG. 5 is a left frontal perspective view thereof;

FIG. 6 is a right frontal perspective view thereof;

FIG. 7 is a left rear perspective view thereof;

FIG. 8 is a left bottom perspective view thereof;

FIG. 9 is a right rear perspective view thereof; and,

FIG. 10 is a right bottom perspective view thereof.

The broken line showings of the connectors, ports, controllers, indicators within the claimed design, and the remainder of the device or laptop form no part of the claimed design.