Patent ID: 8096971
Filing Date: 2012-01-17
Classification: A61J,A61M,F26B

Abstract:
1. A double chamber container for separately holding and combining a solid, in particular a lyophilizate, and a liquid reconstitution medium therefor, comprising: an integral cylindrical body oriented in a longitudinal direction and having opposing upper and lower ends, an upper movable stopper at the upper end of the cylindrical body on a side of the reconstitution medium, a lower movable stopper at the lower end of the cylindrical body on a side of the lyophilizate, the lower movable stopper being movable between: (i) a second position sealing the lower end of the cylindrical body; and (ii) a first position permitting at least partial connection of an interior of the cylindrical body to an exterior environment during the lyophilization, wherein the lower movable stopper includes first, second, and third opening sections, the first opening section extending in the longitudinal direction from the interior of the cylindrical body through the lower end thereof to a junction of the second and third opening sections, and the second and third opening sections extending in opposite directions from the junction to the exterior environment, a separating stopper which can be moved by an application of pressure in the cylindrical body as a seal between an upper chamber and a lower chamber, and a bypass, arranged below the separating stopper, having a length L greater than a height H of the separating stopper.