A reconstitution device includes: a piercing member (30) having a first end (32) and a second end (34), the first end of the piercing member configured to engage an administration port； a delivery member (40) having a first end (42) and a second end (44), the first end of the delivery member configured to engage a delivery site； a collar (20) configured to engage a vial (25)； and a cap (22) extending from the collar (20) and holding the piercing member (30) and the delivery member (40) such that the second end (34) of the piercing member and the second end (44) of the delivery member are disposed within the cylindrical collar (20).
