Method and apparatus for filling needleless injector capsules

Details Method and apparatus for filling needleless injector capsules Method and apparatus for filling needleless injector capsules

A - Human Necessities

61

M

A61M 5/30 (2006.01) B65B 3/00 (2006.01)

Patent

CA 2436543

A method is provided for filling needleless injector capsules with liquid drug, which eliminates or reduces trapped air bubbles in the drug. A two-stage vacuum method is disclosed which enables the capsule to be evacuated rapidly to very low pressure prior to filling. The method is also suitable for filling other small containers with liquids.

La présente invention concerne un procédé de remplissage de capsules des seringues sans aiguilles d'un médicament sous forme liquide, qui élimine ou réduit les bulles d'air piégées dans le médicament. L'invention a trait à un procédé de dépression en deux étapes qui permet de décharger rapidement la capsule à une très basse pression préalablement au remplissage. La méthode est également applicable au remplissage d'autres contenants de petite taille avec des liquides.

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