Patent ID: 7654995
Filing Date: 2010-02-02
Classification: A61J,Y10T

Abstract:
1. A pressure regulating adaptor for coupling with a vial, the adaptor comprising: a bladder having an interior filled with a pre-pressurized, sterilized gas; a piercing member configured to be inserted in the vial, the piercing member defining a distal regulator aperture and a distal extractor aperture; a first channel for removing fluid from the vial, at least a portion of the first channel extending from the distal extractor aperture and through the piercing member; and a second channel configured to permit at least some of the sterilized gas to move from the bladder through the distal regulator aperture to the vial as fluid is removed from the vial via the first channel; wherein the second channel is selectively sealed by a removable cover configured to be placed over the distal regulator aperture, the removable cover comprising a tab configured to catch on a septum as the piercing member is inserted through the septum into the vial, causing the tab to be removed from the distal regulator aperture.