Patent ID: 6186998
Filing Date: 2001-02-13
Classification: A61J,A61M,B29C,B29K,B29L,B65D

Abstract:
An infusion bag comprising:a front wall portion and a back wall portion each formed of a flexible plastic film and provided with a plurality of chambers;a boundary portion sectioning said chambers, said boundary portion having at least one weak seal portion which is closed by separably bonding inside surfaces of the front and back wall portions mutually facing at the boundary portion so that the plural chambers are in communication when the one weak seal portion is opened; anda region of patterned dots of separable coating material which region of patterned dots at least occupies said one weak seal portion, the separable coating material providing a reduced bonding strength and areas of the one weak seal portion apart from each of the patterned dots being free of separable coating material,wherein said region of separable coating material in the form of patterned dots extends beyond said one weak seal portion on at least one of said back and front wall portions and wherein said region of separable coating material extending beyond said one weak seal portion is an unbonded region of said back and front wall portions.