FIG. 1 is a front elevational view of a syringe plunger rod showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a cross-sectional view taken along the line of VII-VII of FIG. 1.

FIG. 8 is a cross-sectional view taken along the line of VIII-VIII of FIG. 1; and,

FIG. 9 is a cross-sectional view taken along the line of IX-IX of FIG. 1.