Fluidic system and method

A fluidic system (10) and method are provided for precisely controlling fluid flow through a flow cytometer (12), with infinitely variable flow rates and sample fluid core sizes, by independently controlling fluid flow rates via fluid pump speeds. In one embodiment, the system uses two cyclic positi...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
1. Verfasser:	BAIR NATHANIEL C
Format:	Patent
Sprache:	eng
Schlagworte:	CONTROLLING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS REGULATING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TESTING
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	A fluidic system (10) and method are provided for precisely controlling fluid flow through a flow cytometer (12), with infinitely variable flow rates and sample fluid core sizes, by independently controlling fluid flow rates via fluid pump speeds. In one embodiment, the system uses two cyclic positive-displacement pumps (36, 38) and three valves (40, 42, 44), and operates via the precise control of the pumps (36, 38) along with coordinated operation of the valves (40, 42, 44). In another embodiment, the system uses constant-flow positive-displacement pumps, without need for valves associated with cyclic pumps. The fluid flow rates and core sizes may be determined or selected by correlating pump operating parameters to fluid flow rate.