| 摘要 |
RAN 4090/246 An automatic pipetting device in which only one pipetting needle is available with an appropriate metering or transport means for the pipetting needle, the pipetting needle being connected to a metering syringe by a first tube and a first Tconnection. In order to allow rapid and thorough cleaning of the interior of the pipetting needle with minimum complexity, the pipetting device has one arm of the first T-connection (13) is connected to a cleaning means comprising the following components: a) a plunger pump (24) connected by a second Tconnection (23), a second tube (22) and 3 first valve (21) to one arm of the first T-connection (13), b) a suction tube (32), which is immersed in a cleaning liquid contained in a container (33) and which is connected to one arm of the second T-connection (23) by a second valve (31), and c) a control means (41) for controlling the first valve (21), the second valve (31 ) and the plunger pump (24). (Fig. 1) |
