| 摘要 |
This patent describes a novel resilient lyophilizing stopper for use in a vial or other medicament container having an open end, said stopper comprising an upper portion having one or more sealing rings adapted to form a seal on the inside walls of said vial and act as a piston therein, and a lower portion comprising a series of interruptions around the periphery of the lower portion, said interruptions forming a force compression fit with the walls of the vial and the spaces between the interruptions being adapted to provide a gas passage from the interior of the vial to the exterior when said sealing rings are held beyond the end of the vial by said interruptions.
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