SERINGUE A DOUBLE CYLINDRE ET A COULISSEAU UNIQUE ET PROCEDE D'UTILISATION POUR DES DIAGNOSTICS MEDICAUX, UTILISATION THERAPEUTIQUE, ET CONFIRMATION DE MISE EN PLACE ET INJECTION DANS L'ESPACE ARTICULAIRE
A syringe is provided having a hub with an orifice, first and second barrels having interior surfaces to form respective lumens, a slider, and an optional test indicator. The first and second barrels slideably receive respective first and second plungers for movement therein. The slider is operable to provide a fluidly communicative path between the orifice of the hub and the first and second barrel lumens. The optional test indicator is responsive to at least one characteristic of bodily fluid, the test indicator positioned to be exposed to any bodily fluid drawn into the first barrel lumen and visible from an exterior of the first barrel.