Device for aspirating, manipulating, mixing and dispensing nano-volumes of liquids
First Claim
Patent Images
1. A pipette tip for a pipetting device comprising:
- an elongated body having a front portion, a pipettor interface portion an upper surface and a lower surface;
a plurality of reservoirs positioned at the interface portion, said reservoirs having a plurality of flexible membranes covering the reservoirs along the upper surface or the upper surface and lower surface;
a fluidic channel through said elongated body connecting said plurality of reservoirs;
an aligning means on said pipettor interface portion to position said tip in said pipetting device; and
a means for directing gas flow over the exterior of said elongated body to promote removal of small volumes of liquid from said tip.
1 Assignment
0 Petitions
Accused Products
Abstract
A pipettor device and pipette tip for aspirating, mixing, manipulating and dispensing nano-volumes of fluid comprising a directed gas flow along the exterior tip surface to assist in dispensing the liquid.
111 Citations
11 Claims
-
1. A pipette tip for a pipetting device comprising:
-
an elongated body having a front portion, a pipettor interface portion an upper surface and a lower surface;
a plurality of reservoirs positioned at the interface portion, said reservoirs having a plurality of flexible membranes covering the reservoirs along the upper surface or the upper surface and lower surface;
a fluidic channel through said elongated body connecting said plurality of reservoirs;
an aligning means on said pipettor interface portion to position said tip in said pipetting device; and
a means for directing gas flow over the exterior of said elongated body to promote removal of small volumes of liquid from said tip. - View Dependent Claims (2, 3, 4, 5, 9, 11)
-
-
6. A pipetting device comprising:
-
a housing having a pipette tip receiving end and a plurality of gas channels and a means for providing gas, said plurality of gas channels;
a plurality of valves each of said valves connected to at least one of said gas channels controlling gas pressure in at least one gas channel;
at least one or more supply channels from said means for providing gas for supplying gas to each of said valves;
a means for controlling said valves; and
at least one nozzle on said pipette tip receiving end for directing gas flow over the exterior of a pipette tip to promote removal of small volumes of liquid from said tip. - View Dependent Claims (7, 8)
-
-
10. A handheld pipettor comprising:
-
a housing having a pipette tip receiving adapter on one end and indicator panel and adjustment means on the other end, said indicator panel connected to said adjustment means;
a means for aspirating and dispensing a fluid said means able to interface with a pipette tip when fitted in said receiving adapter and connected to said adjustment means for regulating aspirating and dispensing;
a power supply connected to said adjustment means and said means for aspirating and dispensing; and
a means for providing and directing gas flow over the exterior of said pipette tip to promote removal of small volumes of liquid from said tip.
-
Specification