Patent ID: 6629626
Filing Date: 2003-10-07
Classification: B01L,G01N,Y10T

Abstract:
A device for transferring small drops of liquid from one or more liquid holders to one or more liquid destinations, the device comprising:a support member; and a plurality of fluid transfer members extending from the support member, each fluid transfer member including a flexible liquid transfer end, wherein each fluid transfer end comprises a capillary tube at its distal tip, and an axially extending spring, the spring being coupled to the capillary tube such that the spring provides axial flexibility to the tube, wherein a distal end of each spring is coupled to a proximal end of each tube, wherein each fluid transfer member further comprises a holder for coupling a respective fluid transfer end to the device, and each fluid transfer end further comprises: a rigid sleeve having a proximal region that surrounds the spring and a distal region that defines the capillary tube; and a pin having a shaft and a head, the shaft extending axially into the spring, and the head being coupled to the holder, wherein each holder defines a threaded bore, and each holder further includes a pair of screws threadingly engaged with the bore, the head of the pin being disposed within the bore between the two screws.