Fluid delivery system for a flow cytometer
First Claim
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1. A molded tubing set for coupling a source of sheath fluid and a flow nozzle, the tubing set comprising:
- (a) at least one flexible tube member, which can transport fluid at pressures of approximately 120 psi, the tube member configured for providing a sterile environment for fluid transport from the sheath fluid source to the flow nozzle; and
(b) a connection to the source of sheath fluid, whereby the connection forms a sealed attachment that prevents exposure to ambient environment.
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Abstract
Systems for sheath fluid and sample fluid transport from containers to an analytic device, such as a flow (cell) cytometer, are disclosed. These systems are sterile and remain so, as they are closed to the ambient environment. As a result, fluids of high purity reach the analytic device, and in the case of a flow cytometer, the desired cells are sorted in sort of high purity.
96 Citations
45 Claims
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1. A molded tubing set for coupling a source of sheath fluid and a flow nozzle, the tubing set comprising:
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(a) at least one flexible tube member, which can transport fluid at pressures of approximately 120 psi, the tube member configured for providing a sterile environment for fluid transport from the sheath fluid source to the flow nozzle; and
(b) a connection to the source of sheath fluid, whereby the connection forms a sealed attachment that prevents exposure to ambient environment. - View Dependent Claims (2, 3, 4, 5, 6, 11, 12)
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7. A method for transporting sheath fluid to a flow nozzle of a flow cytometer comprising:
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(a) affixing a sterile bag of sheath fluid to a tubing set, whereby a sterile fitted connection is formed, the tubing set comprising at least one flexible tube member;
(b) attaching at least one flexible tube member to the flow nozzle;
(c) applying pressure to the bag of sheath fluid to cause the sheath to flow from the bag to the tube member. - View Dependent Claims (8, 9, 10)
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13. A system for transporting sheath fluid to a flow nozzle of a flow cytometer, comprising:
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(a) a flexible container of sheath fluid;
(b) a tubing set for coupling with the container of sheath fluid, a waste system, and the flow nozzle, the tubing set comprising;
a plurality of flexible tube members which can transport fluid at pressures of approximately 120 psi and provides a sterile environment for sheath fluid transport from the container to the flow nozzle;
(c) a pressurizable tank for holding the container of sheath fluid, the tank including at least a first port for receiving pressurized gas for driving the fluid in the container through the tubing set, and, a second port where at least one of the plurality of flexible tube members of the tubing set is in communication with the container; and
,(d) a waste system in communication with at least one flexible tube member of the tubing set. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21)
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22. A system for providing sterile sheath fluid and sample fluid to an analytic device, comprising:
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a sheath fluid delivery system including;
at least one flexible tube member, configured for coupling with a closed container of sheath fluid and the analytic to define a pathway for sheath fluid from the closed container to the analytic device, the pathway being closed to the ambient environment; and
,a sample fluid delivery system including;
a fluid transport line in communication with the container defining a pathway for sample fluid from the closed container to the analytic device that is closed to the ambient environment. - View Dependent Claims (23, 24, 25, 26, 27, 28)
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29. A system for providing sterile sheath fluid to an analytic device comprising:
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(a) a closed container of sheath fluid;
(b) a tubing system comprising a plurality of flexible tube members, the tubing system configured for coupling with the container, the analytic device, and a waste system, to define a pathway for sheath fluid from the closed container to the analytic device, the pathway being closed to the ambient environment; and
,(c) a driver configured for placing pressure on the closed container of sheath fluid to move the sheath fluid through the tubing system. - View Dependent Claims (30, 31, 32)
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33. An apparatus for sample fluid maintenance and transport comprising:
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(a) a removable bag which contains sample fluid;
(b) a pressurizable chamber for receiving the bag of sample fluid;
(c) an outlet for sample fluid to exit the chamber; and
,(d) an inlet, for receiving pressurized gas into the pressurizable chamber. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41)
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42. A method for transporting sample fluid to an analytic device comprising:
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placing a sealed bag of sample in a pressurizable chamber;
connecting the sealed bag of sample to at least one conduit for carrying the sample fluid into communication with the analytic device to create a pathway for the sample fluid to the analytic device, that is closed to the ambient environment; and
pressurizing the chamber to drive the sample fluid. - View Dependent Claims (43, 44)
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45. A system for providing sterile sheath and sample fluid to an analytic device, comprising:
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(a) a closed container of sheath fluid;
(b) a closed container of sample fluid;
(c) a plurality of flexible tube members and Y-connectors configured for coupling with the closed container of sheath fluid, the analytic device and a waste system;
(d) a driver configured for placing pressure on the closed container of sheath fluid;
(e) at least one, one-way valve for connecting the tube member to the waste system;
(f) a pressurizable chamber for holding the closed container of sample fluid; and
(g) a fluid transport line in communication with the sample fluid and the analytic device that is closed to the ambient environment.
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Specification