A SAFETY SYRINGE HAVING A RETRACTING NEEDLE AND BEING PRE-FILLABLE WITH TWO ACTIVE INGREDIENTS

摘要

The single-use safety syringe having a manual and/or automatic retracting needle preventing re-use thereof comprises a needle, a piston with a tightening seal and a cylindrical body having, at an end thereof, a connector provided with a calibrated attaching hole for the needle and open, at another end thereof, for inserting the piston, comprising, internally of the cylindrical body, a separating seal of a first chamber comprised between the separating seal and the connector in which a first active ingredient is positioned and a second chamber comprised between the separating seal and the tightening seal in which a second active ingredient is positioned, the separating seal having a connecting channel between the first and second chamber, closed by a pressure limiting valve, first engaging means further being provided, activatable for engaging the separating seal to the needle and second engaging means activatable for engaging the separating seal to the piston.