Dual chamber prefillable syringe and a method for the assembly a

Details Dual chamber prefillable syringe and a method for the assembly a Dual chamber prefillable syringe and a method for the assembly a

1995-12-22

1998-08-04

Buiz, Michael

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604191, A61M 3700

Patent

active

057886709

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.

REFERENCES:
patent: 4613326 (1986-09-01), Szwarc
patent: 4792329 (1988-12-01), Schrender
patent: 5607400 (1997-03-01), Thibault et al.
patent: 5637100 (1997-06-01), Sudo
H. Vetter, "Die Lyophilisierung von Arzneimitteln in Fertigspritzen" (1984), pp. 3-7.

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