BD A-Line™Arterial Blood Collection Syringesare used for blood collection by manual aspiration and are supplied without needles. They are designed to be used for arterial blood collection from an arterial line, and are available in 1 mL and 3 mL slip tip, and 3 mL BD Luer-Lok™ syringes. The BD blood collection syringes are spray-coated with calcium-balanced Lithium heparin enabling easy dissolution to minimise clotting and dilution errors without compromising analyte measurements.