| 摘要 |
PCT No. PCT/GB94/02463 Sec. 371 Date Aug. 2, 1996 Sec. 102(e) Date Aug. 2, 1996 PCT Filed Nov. 9, 1994 PCT Pub. No. WO95/13138 PCT Pub. Date May 18, 1995In order to provide a pipette device which is easier and more accurate to use than those using known pipette fillers, a piston (2), which is preferably flexible, is provided to fit into the pipette bore (6). The plastics piston rod (1) sits conveniently in a guide cap at the mouth of the pipette tube and the piston rod is operated by stroking its upper surface, which is serrated along its length, with a digit; thus dispensing by a positive displacement method.
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