Patent ID: 7776011
Filing Date: 2010-08-17
Classification: A61J,A61M

Abstract:
1. A system for preparing a medicant comprising: a needleless syringe having an opening through a male extension fitting at a first end and a piston insertable within a second end; a container having a first medicant component disposed therein; an adaptor attachable to the first end of the syringe by a port consisting of a female fitting which matingly receives the male fitting of the syringe, and comprising a housing configured to receive the container; a piercing structure within the housing configured to pierce a closure of the container, wherein the piercing structure comprises: a head segment having a widest portion and an opposing tip, a beveled front surface and a back surface that joins with the front surface at opposing cutting edges; a base portion having a first diameter; a stem portion extending between the base portion and the head portion having a second diameter that is smaller than the first diameter and shorter than the widest portion of the head segment; and a fluid passageway extending radially centrally through the base portion, through the stem portion and through the front surface of the head portion at a position where two bevel surfaces meet and at a position other than at the tip; a valve integral with the adaptor, the valve being configured to control fluid passage through the opening at the first end of the syringe; and a second medicant component disposed within the syringe.