Patent ID: 6065270
Filing Date: 2000-05-23
Classification: A61M,B65B

Abstract:
A method of manufacturing a filled plastic syringe body for medical purposes, the syringe body comprising a barrel having a rear end which is open and an outlet end with a head molded thereon and designed to accommodate an injection element, a plunger stopper for insertion into the rear end of the barrel to seal it, and an element for sealing the head, the method of manufacturing the syringe body including the steps of:a. forming the syringe body by injection molding a material into a core in a cavity of an injection mold, the mold having shape and preset inside dimensions;b. opening and mold and removing the formed syringe body, said body having an initial temperature;c. sealing one end of the barrel of the plastic syringe body;d. siliconizing an inside wall surface of the barrel of the plastic syringe body immediately after the body is formed and while the body remains substantially at said initial temperature;e. filling the plastic syringe body through the other end of the barrel of the plastic syringe body; andf. sealing the other end of the barrel of the plastic syringe body,wherein the method is carried out in a controlled environment within a single continuous manufacturing line.