Patent ID: 8585659

Claim:
A piercing device for delivering a predetermined quantity of medicament contained in a crushable blister into a spray or mist, said device comprising: a base; a substantially hollow, elongated member extending from the base comprising a main body region and terminating in a piercing tip region and wherein the circumference of the tip region is substantially smaller than the circumference main body region and a shoulder region that separates the main body region from the tip region; an internal delivery channel formed by the hollow interior of the elongated member extending from the base to the tip and terminating in a discharge port at the piercing tip; one or more inlet ports in the base and one or more conduits providing fluid communication between the one or more inlet ports and the internal channel; wherein the difference in circumference of the tip region and the main body region is effective to form a non-contact drape region on opposites sides of the tip when the tip is pressed into a flexible material.