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1. (WO2018134211) A SAFETY SYRINGE HAVING A RETRACTING NEEDLE AND BEING PRE-FILLABLE WITH TWO ACTIVE INGREDIENTS

Pub. No.:    WO/2018/134211    International Application No.:    PCT/EP2018/051034
Publication Date: Fri Jul 27 01:59:59 CEST 2018 International Filing Date: Wed Jan 17 00:59:59 CET 2018
IPC: A61M 5/32
A61M 5/28
Applicants: TECNEDIL INTERNATIONAL S.R.L.
Inventors: MAGGIONI, Andrea
MAGGIONI, Chiara
MAGGIONI, Tarcisio
Title: A SAFETY SYRINGE HAVING A RETRACTING NEEDLE AND BEING PRE-FILLABLE WITH TWO ACTIVE INGREDIENTS
Abstract:
The single-use safety syringe (1) having a manual and/or automatic retracting needle for preventing re-use thereof comprises a needle (2), a piston (3) provided with a tightening seal (4) and a cylindrical body (5) having, at an end (6) thereof, a connector (7) provided with a calibrated attaching hole (8) for the needle (2) and open, at another end (9) thereof, for inserting the piston (3), comprising, internally of the cylindrical body (5), a separating seal (10) of a first chamber (11) comprised between the separating seal (10) and the connector (7) in which a first active ingredient (12) is positioned and a second chamber (13) comprised between the separating seal (10) and the tightening seal (4) in which a second active ingredient (14) is positioned, the separating seal (10) having a connecting channel (15) between the first and second chamber (11, 13), closed by a pressure limiting valve (16), first engaging means (17) further being provided, activatable for engaging the separating seal (10) to the needle (2) and second engaging means (18) activatable for engaging the separating seal (10) to the piston (3).