Dual chamber prefillable syringe and a method for the assembly and filling of same

US5788670A · kind A · utility

Assignee

• Schott Glas · DE

Inventors

• Michael Reinhard · Ober-Olm, DE
• Michael Spallek · Ingelheim am Rhein, DE

Key dates

• Filing date: Dec 22, 1995
• Grant date: Aug 4, 1998
• Expiry date: Dec 22, 2015

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65B55/04
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A fully assembled dual chamber prefillable syringe cylinder for the administration of two components having a syringe barrel which, in both its single cylinder and dual chamber cylinder embodiments, is connected to both a syringe head featuring a tip cap as well as to the finger grips and which is closed at its base by means of a moveable plunger with a plunger rod and into which an intermediate plunger is positioned with the intent of separating first and second chambers from each other and which features a bypass located in a first chamber, as well as to a method for the manufacture and filling of said fully assembled prefillable syringe.