Patent ID: 8661920
Filing Date: 2014-03-04
Classification: B01L

Abstract:
1. A handheld pipetting apparatus for metering liquids, with a handleable pipette housing ( 1 ), at least one accommodation ( 4 ) for a fastening portion ( 5 ) of a syringe cylinder ( 8 ) of a syringe ( 6 ), at least one plunger accommodation ( 11 ) in an accommodation body ( 10 ) for a plunger fastening portion of a syringe plunger ( 12 ) of the syringe ( 6 ), fastening means ( 19 , 28 ) for detachably holding the fastening portion ( 6 ) in the accommodation ( 4 ) and the plunger fastening portion ( 29 ) in the plunger accommodation ( 11 ), at least one displacement device ( 52 ) with a displacement chamber ( 53 ) and a shiftable chamber wall ( 54 ) limiting the same, for displacing a fluid; at least one seat ( 56 ) for detachably holding a pipette point, a channel ( 58 ), connecting a hole ( 57 ) in the seat ( 56 ) with a displacement chamber ( 53 ), and at least one drive device ( 44 ), which is connected to with the accommodation body ( 10 ), for shifting the accommodation body ( 10 ) with respect to the accommodation ( 4 ), or the chamber wall ( 54 ) with respect to the displacement chamber ( 53 ), wherein at the one side, the displacement device ( wherein the drive device ( wherein at least one reading device for reading a tag on a syringe ( wherein the control device controls a correction of the stroke of the shiftable chamber wall ( wherein by means of the electric analyzing device, the control device controls an initial positioning of the shiftable chamber wall (