Patent ID: 7918825

Claim:
An infusion pump for interfacing with a prefilled syringe to fill the infusion pump with a therapeutic liquid, the infusion pump comprising: a pump housing comprising a base including a syringe coupling region, the syringe coupling region including a fill port and a recessed engaging portion recessed into the pump housing and configured to engage a dispensing end of a prefilled syringe, wherein the recessed engaging portion is internally threaded to engage the dispensing end of the prefilled syringe in a threaded engagement; a needle located in the syringe coupling region, the needle having a first end passing through the fill port and a second end, being recessed beneath an outer surface of the base and positioned within the recessed engaging portion such that the second end of the needle passes through the dispensing end of the prefilled syringe as the dispensing end of the prefilled syringe engages the recessed engaging portion; and a reservoir located within the housing, the reservoir being fluidly coupled to the needle.