FIG. 1 is a front elevation of a medical multiport valve cock, showing my new design;

FIG. 2 is a rear elevation thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevation thereof;

FIG. 6 is a right side elevation thereof;

FIG. 7 is a top perspective view thereof;

FIG. 8 is an enlarged cross-section taken on line 8--8 of FIG. 3;

FIG. 9 is an enlarged cross-section taken on line 9--9 of FIG. 1;

FIG. 10 is an enlarged cross-section taken on line 10--10 of FIG. 1;

FIG. 11 is an enlarged cross-section taken on line 11--11 of FIG. 1; and

FIG. 12 is a fragmentary exploded perspective view taken at an enlarged scale.