Patent ID: 7026124
Filing Date: 2006-04-11
Classification: B01J,B01L,B41J,C12Q,C40B

Abstract:
1. A method for loading a plurality of different biological fluids into a printing apparatus having a plurality of orifices in an orifice member, a plurality of delivery chambers each in fluid conducting relationship with at least one of the orifices, a plurality of reservoirs each in fluid communication with at least one of said delivery chambers, a means associated with each orifice for propelling fluid through the associated orifice from the delivery chamber that is in fluid conducting relationship with the orifice, said means positioned within the delivery chamber that is in fluid conducting relationship with the orifice, and a vent for commonly venting at least two of said reservoirs, the method comprising contacting said orifices with a fluid outside said delivery chamber and permitting said outside fluid to flow through said orifices into said delivery chambers.