Apparatus and method for programming a KVO phase and a first phase of an injection procedure as a flushing medium phase

• US 7,079,886 B2
• Filed: 08/28/2001
• Issued: 07/18/2006
• Est. Priority Date: 07/30/1999
• Status: Expired due to Term

• Current Assignee: Bayer Healthcare LLC (Bayer AG)
• Original Assignee: Medrad Incorporated (Bayer AG)
• Inventors: Zatezalo, Doug, Gardner, John, Thompson, Jeffrey John, Barbati, Ronald, Rygg, Steven C., Griffith, Scott R.
• Primary Examiner(s): Casler, Brian L.
• Assistant Examiner(s): Jung, William C
• Application Number:
  US09/941,224
• Publication Number:
  US 20020007116A1
• Time in Patent Office: 1,785 Days
• Field of Search: 600/431, 600/432, 600/420, 600/458, 604/232, 604/246, 604/247, 604/287, 604/27, 604/19, 604/284, 604/185, 604/132, 604/212, 604/131, 604/30, 604/43, 604/364, 604/533, 604/256, 604/20, 604/31, 604 65- 67
• US Class Current: 600/431
• CPC Class Codes: A61M 5/007 for contrast media
• CPC Class Codes: A61M 5/1452 pressurised by means of pistons
• CPC Class Codes: A61M 5/14546 Front-loading type injectors
• CPC Class Codes: A61M 5/16827 controlling delivery of multiple fluids, e.g. sequencing, mixing or via separate flow-paths infusion of multiple fluids without using a controller A61M5/1407
• CPC Class Codes: A61M 5/172 electrical or electronic A61M5/16804, A61M5/16831 take precedence

Abstract

A fluid injection arrangement in the context of patient imaging systems, in which phases of contrast medium injection and flushing medium injection can be freely and selectably ordered as to make available to the operator and patient a vast array of possible protocols that has hitherto been essentially unattainable. The arrangement provides a programmable KVO phase and the ability to program a first phase of injection procedure as a flushing medium phase.

Claims

1. Apparatus for controlling a patient injection system including a first drive mechanism and a second drive mechanism, said apparatus comprising:

means for selectively programming or establishing a first phase of an injection procedure as a flushing medium phase in operable association with the first drive mechanism, said flushing medium phase comprising a pressurized injection of flushing medium; and

means for selectively programming or establishing a subsequent second phase of said injection procedure as a contrast medium phase in operable association with the second drive mechanism, said contrast medium phase comprising a pressurized injection of contrast medium.

2. The apparatus of claim 1, further comprising:

means for selectively programming or establishing a subsequent third phase of said injection procedure, said third phase further comprising at least one of contrast medium phase or a flushing medium phase.

3. The apparatus of claim 1 wherein the means for selectively programming or establishing a first phase as a flushing medium phase further comprises means for selectively programming or establishing at least a quantity of a flushing medium.

4. The apparatus of claim 1 wherein the means for selectively programming or establishing a first phase as a flushing medium phase further comprises means for selectively programming or establishing at least a quantity and flow rate of a flushing medium.

5. The apparatus of claim 1 wherein the means for selectively programming or establishing a first phase as a flushing medium phase further comprises a touch screen.

6. The apparatus of claim 1, wherein the second phase further comprises a KVO phase, wherein said KVO phase is selectively established by selecting a flow rate, a volume and a duration.

7. A fluid injection apparatus comprising:

a first drive mechanism pressurizing a flushing medium;

a second drive mechanism pressurizing a contrast medium; and

a control device controlling the first and second drive mechanisms, said control device comprising means for selectively programming or establishing a first phase of an injection procedure as a pressurized flushing medium phase and means for selectively programming or establishing a subsequent second phase of said injection procedure as a pressurized contrast medium phase.

8. The apparatus of claim 7 wherein the said control device further comprises means for programming or establishing a third phase of the injection procedure, subsequent to the second phase of the injection procedure, as a further contrast medium phase.

9. The apparatus of claim 7 wherein said control device further comprises means for defining the first phase of the injection procedure by at least two injection parameters selected from fluid flow rate, fluid volume and injection duration.

10. The apparatus of claim 7 wherein said control device further comprises means for defining the first phase by at least two injection parameters selected from fluid flow rate, fluid volume and injection duration.

11. The apparatus of claim 7 wherein said control device further comprises means for programming or establishing a third phase of the injection procedure, subsequent to the second phase of an injection procedure, as a further flushing medium phase.

12. The apparatus of claim 7, further comprising at least two fluid containers operably associated with the first or second drive mechanism.

13. The apparatus of claim 12 wherein one fluid container contains a contrast medium and the other fluid container contains a flushing medium.

14. The apparatus of claim 12 wherein at least one of the two fluid containers comprises a syringe.

15. The apparatus of claim 7 wherein the means for selectively programming or establishing a first phase comprises a touch phase.

16. The apparatus of claim 7, wherein the second phase further comprises a KVO phase, wherein said KVO phase is selectively established by selecting a flow rate, a volume and a duration.

17. A fluid injection apparatus comprising:

a first drive mechanism pressurizing a flushing medium;

a second drive mechanism pressurizing a contrast medium; and

a control device controlling the first and second drive mechanisms, said control device comprising an arrangement for selectively programming or establishing a first phase of an injection procedure as a pressurized flushing medium phase and an arrangement for selectively programming or establishing a subsequent second phase of said injection procedure as a pressurized contrast medium phase.

18. The apparatus of claim 17 wherein the arrangement comprises a touch screen.

19. The apparatus of claim 17 wherein said control device further comprises means for programming or establishing a third phase of the injection procedure, subsequent to the second phase of the injection procedure, as a further contrast medium phase.

20. The apparatus of claim 17 wherein said control device further comprises means for defining the first phase of the injection procedure by at least two injection parameters selected from fluid flow rate, fluid volume and injection duration.

21. The apparatus of claim 17 wherein said control device further comprises means for defining the first phase by at least two injection parameters selected from fluid flow rate, fluid volume and injection duration.

22. The apparatus of claim 17 wherein said control device further comprises means for programming or establishing a third phase of the injection procedure, subsequent to the second phase of an injection procedure, as a further flushing medium phase.

23. The apparatus of claim 17, further comprising at least two fluid containers operably associated with the first or second drive mechanism.

24. The apparatus of claim 23 wherein one fluid container contains a contrast medium and the other fluid container contains a flushing medium.

25. The apparatus of claim 23 wherein at least one of the two fluid containers comprises a syringe.

26. The apparatus of claim 17, wherein the second phase further comprises a KVO phase, wherein said KVO phase is selectively established by selecting a flow rate, a volume and a duration.

27. A method of programming an injection apparatus comprising:

selectively programming a first phase of an injection procedure, the first phase comprising a contrast medium phase; and

subsequently, selectively programming a second phase of the injection procedure, the second phase comprising a KVO phase;

wherein the KVO phase is selectively programmed by selecting a flow rate and a volume.

28. The method of claim 27, further comprising:

programming a third phase of the injection procedure, the third phase comprising one of at least a contrast medium phase and a flushing medium phase.

29. The method of claim 27 wherein the KVO phase is selectively programmed by further selecting a duration.

30. A method of programming an injection apparatus including a first drive mechanism and a second drive mechanism, the method comprising:

selectively programming the injection apparatus to deliver a first phase of an injection procedure as a pressurized flushing medium phase by means of the first drive mechanism;

wherein the pressurized flushing medium phase is selectively programmed by selecting a flow rate and a volume; and

subsequently, selectively programming the injection apparatus to deliver a second phase of the injection procedure as a pressurized contrast medium phase by means of the second drive mechanism.

31. The method of claim 30, further comprising:

programming a third phase of the injection procedure, the third phase further comprising one of at least a contrast medium phase and a flushing medium phase.

32. The method of claim 30 wherein the flushing medium phase is selectively programmed by further selecting a duration.

33. The method of claim 30, wherein the second phase further comprises a KVO phase, wherein said KVO phase is selectively established by selecting a flow rate, a volume and a duration.

34. A method of programming an injection apparatus, comprising:

selectively programming a first phase of an injection procedure, the first phase comprising a KVO phase;

wherein the KVO phase is selectively programmed by selecting a flow rate and a volume.

35. The method of claim 34 further comprising:

programming a second phase of the injection procedure, the second phase comprising one of at least a contrast medium phase and a flushing medium phase.

36. The method of claim 34 wherein the KVO phase is selectively programmed by further selecting a duration.