Prefilled syringe

Details Prefilled syringe Prefilled syringe

1996-12-24

1998-10-27

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604218, A61M 500

Patent

active

058272330

ABSTRACT:
A prefilled syringe comprises a barrel (1) having at a distal end a needle-connecting portion (11) and at the proximal end an open end; a plastic tubular container (3) having a mouth (31) and a flexible hollow cylindrical body (32) and containing a liquid medicament (S) previously charged therein, and a plunger (2) inserted into the barrel (1) through the open end thereof and slidably held therein. The tubular container (3) is held in the barrel (1) so that the mouth (31) thereof is placed in a lumen of the needle-connecting portion (11) of the barrel (1) and that the cylindrical body (32) is peeled off from the inner wall of the barrel (1) and squeezed into a space between the barrel (1) and plunger (2) when the plunger (2) is pushed into the barrel.

REFERENCES:
patent: 1388946 (1921-08-01), Goold
patent: 2514575 (1950-07-01), Hein et al.
patent: 5453093 (1995-09-01), Haining

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