Patent ID: 8900206

Claim:
A fluid infusion device that delivers a medication fluid to a body, the fluid infusion device comprising: a base plate; a hollow fluid delivery needle coupled to the base plate to provide a fluid flow path for the medication fluid; a sealing element coupled to the base plate and overlying at least a portion of the hollow fluid delivery needle, the sealing element comprising: a base section; a tip section extending from the base section; and a retractable body section between the base section and the tip section; and a fluid reservoir comprising: a main body section that defines a fluid chamber for the medication fluid; a fluid delivery port coupled to and extending from the main body section, the fluid delivery port comprising a fluid conduit and a pressure vent defined therein; a funnel element associated with the fluid delivery port, wherein the pressure vent is formed in the funnel element; and a septum located in the fluid delivery port and having a nominal non-pierced state forming a fluid seal within the fluid conduit; wherein the pressure vent provides a venting conduit from inside the fluid chamber to outside the fluid chamber; and wherein the pressure vent terminates at an exterior surface of the fluid delivery port, the exterior surface contoured to mate with a resilient sealing element of the fluid infusion device to seal the pressure vent.