Priming mechanisms for drop ejection devices

Details Priming mechanisms for drop ejection devices Priming mechanisms for drop ejection devices

2005-03-01

2005-03-01

Warden, Jill (Department: 1743)

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

C422S091000, C422S105000, C347S010000, C347S048000, C347S051000, C347S040000

Reexamination Certificate

active

06861034

ABSTRACT:
Provided is a priming mechanism for priming a biofluid drop ejection device having a drop ejection opening leading to an ejection reservoir. The priming mechanism includes a vacuum unit which generates a vacuum force, connected to a vacuum nozzle. The vacuum nozzle is located over the drop ejection opening. A disposable sleeve or tubing is attached to the vacuum nozzle and is placed in operational contact with the drop ejection opening. A fluid height detection sensor is positioned to sense a fluid height within at least one of the disposable tubing and the vacuum nozzle. Upon sensing a predetermined fluid height, by the fluid height detection sensor, the priming operation is completed, and the primer mechanism is removed from the operational contact with the drop ejection opening.

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Goldmann, et al., “DNA-Printing: Utilization of a Standard Inkject Printer For the Transfer of Nucleic Acids to Solid Supports”, J. Biochem. Biophys. Methods 42 (2000) 105-110 XP-000889698.
Experts in Microdispensing & Precision Printing (MicroFab Technologies, Inc.) http://www.microfab.com—last updated Jun. 12, 2000.

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