| 摘要 |
A pump system for the subcutaneous delivery of a liquid medicament, having a pump module ( 10 ) comprising a stator housing ( 28 ) with a chamber ( 30 ), a rotor ( 32 ) rotatably and axially slidably received in the chamber and comprising a first axial extension ( 46 ) with a liquid supply channel ( 50 ) and a second axial extension with a liquid supply channel ( 52 ), the first and second axial extensions having different diameters, and first and second sealing rings ( 54, 56 ), mounted around the first and second axial extensions.
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