Patent ID: 8980200
Filing Date: 2015-03-17
Classification: B01L,G01N,Y10T

Abstract:
1. A nozzle assembly for a flow cytometer comprising: a body portion that is formed from a plastic material, said body portion formed to have a nozzle cavity that has a compact size and shape that inhibits the formation of bubbles in a sheath fluid disposed in said cavity; an input sheath fluid port and an output sheath fluid port that are connected at off center positions to said nozzle cavity to create swirling of said sheath fluid in said nozzle cavity; a nozzle tip releasably attached to said body portion and concentrically aligned with said nozzle cavity; a fitting that is releasably attached to said body portion; plastic tubing centrally disposed in said nozzle cavity, said plastic tubing extending through said fitting and secured to said body portion by said fitting; an alignment disk seated in an opening in said body portion, said alignment disk engaging said plastic tubing and centering said plastic tubing in said nozzle tip for injection of sample fluids in said nozzle tip; a retainer that releasably secures said nozzle tip and said alignment disk to said body portion.