| 摘要 |
A miniature medical pump for injecting or sampling a substance includes a tank (2) coupled with a needle (3) by means of an electric micropump (4). The micropump (4) includes a stator (11) and a central rotor (13) for an electric motor (8) having permanent magnets (21), the central rotor (13) extending coaxially through an endless impeller (9) surrounded by a tube (14) having a first end (16) coaxially coupled with a percussion cone (15) intended to penetrate into the tank (2) and a second end (17) coaxially coupled with the needle (3). |
