Patent ID: 8992501
Filing Date: 2015-03-31
Classification: A61J,Y10T

Abstract:
1. A pressure regulating adaptor for coupling with a vial, the adaptor comprising: a housing having an upper housing portion and a lower housing portion, the upper housing portion and the lower housing portion joined by ultrasonic welding; a piercing member extending from the lower housing portion, the piercing member defining at least a portion of a regulator channel and at least a portion of an extractor channel; a medical connector interface extending from the upper housing portion; an input port disposed between the regulator channel and ambient; a filter configured to filter ambient air entering the regulator channel via the input port; a one-way valve resisting fluid communication from the regulator channel to ambient; and a regulating enclosure portion in fluid communication with the regulator channel, wherein the regulating enclosure portion is configured to move between a first orientation in which at least a portion of the regulating enclosure portion is at least partially unexpanded or folded and a second orientation in which at least a portion of the regulating enclosure portion is at least partially expanded or unfolded when fluid is added to the vial.