Prefilled syringe

Details Prefilled syringe Prefilled syringe

A - Human Necessities

61

M

A61M 5/31 (2006.01) A61M 5/28 (2006.01) A61M 5/315 (2006.01)

Patent

CA 2246985

A prefilled syringe comprising: a tubular body which has an open front end and an open rear end; a front assembly which is mounted on an outer periphery of a front end portion of the tubular body; a finger grip which is mounted on an outer periphery of a rear end portion of the tubular body; a front sealing member which is provided in the tubular body so as to be disposed forwardly of injection liquid; a rear sealing member which is provided in the tubular body so as to be disposed rearwards of the injection liquid; a plunger rod which is provided so as to be movable in the tubular body; a temporary stop member for temporarily stopping the plunger rod through retention of the temporary stop member by the finger grip such that the rear sealing member is temporarily stopped at a predetermined position of the tubular body; and a retention canceling member for canceling the retention of the temporary stop member by the finger grip without moving the plunger rod.

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