INFUSION DEVICE WITH PRESSURIZABLE LIQUID MEDICAMENT CHAMBER

摘要

A disposable infusion device comprises a base arranged to adhere to a pat ient's skin, a cannula arranged to extend from the base to beneath the patie nt's skin to deliver a liquid medicament to the patient, and a source arrang ed to provide the cannula with a liquid medicament. The source includes a re servoir that holds the liquid medicament and a pressurizer that pressurizes the liquid medicament from within the reservoir to provide a flow of the liq uid medicament to the cannula.