Patent ID: 7686787

Claim:
A delivery device for delivering an infusion media to a user, the device comprising: a disposable housing portion adapted to be secured to a user; a durable housing portion configured to be selectively engaged with and disengaged from the disposable housing portion to allow disposal of the disposable housing portion without disposing of the durable housing portion; a reservoir for containing infusion media supported on the disposable housing portion; electrical control circuitry contained in the durable housing portion, wherein the electrical control circuitry controls the delivery of infusion media from the reservoir to the user when the durable housing portion and the disposable housing portion are engaged; the disposable housing portion comprising: a base portion having a surface configured to be placed adjacent a user's skin to adhere the base portion to the user's skin; a bladder containing a flowable agent; a conduit structure connected to the bladder; and an operator coupled to the bladder and operable by a user to selectively dispense the flowable agent from the bladder into the conduit structure; the conduit structure having at least one opening adjacent the surface of the base portion and arranged to dispense the flowable agent from the conduit structure to a space between the surface of the base portion and the user's skin, when the surface of the base portion is placed adjacent the user's skin.