Patent ID: 7842017

Claim:
A syringe comprising: a) a non-flanged hollow syringe barrel; and b) a plunger member comprising a plunger shaft and piston, said piston attached to said plunger shaft at the forward end terminus of said plunger shaft; and c) an externally attachable contaminant shield comprising a single-piece contaminant shield body defined by an outer periphery and an inner terminus, said inner terminus defining an opening through said body corresponding in shape to the cross-section of said plunger shaft, said single-piece contaminant shield body comprising at least one shaped tabular handle portion, each said handle portion continuous with and substantially coplanar with said single-piece contaminant shield body; and d) said contaminant shield body further comprising a flexible component attached to said inner terminus of said single-piece contaminant shield body, said flexible component projecting centrally inward from said inner terminus of said opening and substantially coplanar with said single-piece contaminant shield body to define a plunger shaft passage corresponding in shape to the cross-section of said plunger shaft; and e) optionally, said syringe comprising coloring or tinting; f) optionally, said syringe comprising measuring indicia.