| abstract |
A portable infusion pump is provided. A portable infusion pump, a pump assembly 200, a cartridge 100, a base plate 500, 501, 502, a cannula 600, an insertion tool 503, and related components, and combinations and related methods thereof. Exemplary drug cartridge 100 includes a barrel defining at least a substantial portion of a drug reservoir having a total fill volume, and is movable relative to the barrel from the reservoir to 0.1% or less of the total fill volume of the reservoir. And a plunger that controllably dispenses the amount of the drug with a single dose accuracy greater than +/− 20%, and accuracy is obtained within a dispensing period of less than 8 hours. [Selection] Figure 1 |