Multi-well container positioning devices, systems, computer program products, and methods

• US 20060188409A1
• Filed: 01/18/2006
• Published: 08/24/2006
• Est. Priority Date: 01/19/2005
• Status: Abandoned Application

• Current Assignee: IRM LLC
• Original Assignee: IRM LLC
• Inventors: Chang, Jim Yuchen, Mainquist, James Kevin
• Application Number:
  US11/335,838
• Publication Number:
  US 20060188409A1
• Time in Patent Office: Days
• US Class Current: 422/102
• CPC Class Codes: B01L 2200/025 Align devices or objects to ensure defined positions relative to each other
• CPC Class Codes: B01L 2300/0829 Multi-well plates; Microtitration plates
• CPC Class Codes: B01L 9/523 for multisample carriers, e.g. used for microtitration plates
• CPC Class Codes: G01N 2035/00059 vacuum chucks
• CPC Class Codes: G01N 2035/0479 hydraulic or pneumatic
• CPC Class Codes: G01N 35/028 having reaction cells in the form of microtitration plates

Abstract

The present invention provides multi-well container positioning devices and systems. In certain embodiments, these devices and systems are structured to compensate for structural defects or irregularities of multi-well containers so that the containers are accurately positioned for further processing. In some embodiments, multi-well container positioning devices and systems include multiple chambers that can be used to retain multi-well containers in selected positions on the positioning devices in a desired sequence. In addition, related computer program products and methods are also provided.

Claims

1. A multi-well container positioning device, comprising at least one support structure having at least one multi-well container station that comprises:

at least one vacuum plate that is structured to support at least one multi-well container, wherein at least one orifice is disposed through the vacuum plate, which orifice is configured to substantially align with a region of a bottom surface of the multi-well container that is disposed between at least two adjacent wells of the multi-well container when the multi-well container is positioned on the vacuum plate in a selected position; and

,

at least one chamber that communicates with the orifice such that when negative pressure is applied in the chamber and the multi-well container is positioned on the vacuum plate in the selected position, the applied negative pressure retains the multi-well container in the selected position on the vacuum plate.

2. The multi-well container positioning device of claim 1, comprising multiple multi-well container stations.

3. The multi-well container positioning device of claim 1, wherein the applied negative pressure draws at least a portion of the bottom surface of the multi-well container toward the orifice to compensate for one or more structural defects or irregularities of the multi-well container, when the negative pressure is applied in the chamber and the multi-well container is positioned on the vacuum plate in the selected position.

4. The multi-well container positioning device of claim 1, wherein the orifice is configured to substantially align with a region of the bottom surface of the multi-well container that is disposed between four adjacent wells of the multi-well container when the multi-well container is positioned on the vacuum plate in the selected position.

5. The multi-well container positioning device of claim 1, wherein a center of the orifice and a midpoint of the region of the bottom surface of the multi-well container that is disposed between the adjacent wells are substantially coaxial with one another when the multi-well container is positioned on the vacuum plate in the selected position.

6. The multi-well container positioning device of claim 1, wherein the orifice comprises a cross-sectional shape selected from the group consisting of:

a regular n-sided polygon, an irregular n-sided polygon, a tee, a cross, a triangle, a square, a rounded square, a rectangle, a rounded rectangle, a trapezoid, a circle, and an oval.

7. The multi-well container positioning device of claim 1, wherein the vacuum plate is structured to support multi-well containers that comprise 6, 12, 24, 48, 96, 192, 384, 768, 1536, 3456, 9600, or more wells.

8. The multi-well container positioning device of claim 1, wherein the multi-well container station comprises a heating element that adjustably regulates temperature in one or more wells of the multi-well container when the multi-well container is positioned on the vacuum plate and the heating element is operably connected to a power source.

9. The multi-well container positioning device of claim 1, comprising at least one position sensor coupled to the support structure, which position sensor is structured to detect the position of the multi-well container when the multi-well container is positioned on the vacuum plate.

10. The multi-well container positioning device of claim 1, wherein the multi-well container station comprises at least one lip surface disposed at least partially around the vacuum plate, which lip surface is recessed relative to the vacuum plate and is structured to receive a registration edge of an outer wall of the multi-well container when the multi-well container is positioned on the vacuum plate.

11. The multi-well container positioning device of claim 1, comprising at least one switch that generates a signal that indicates when the multi-well container is positioned in the selected position on the vacuum plate.

12. The multi-well container positioning device of claim 1, wherein multiple orifices are disposed through the vacuum plate and wherein each of the orifices is configured to substantially align with a different region of the bottom surface of the multi-well container that is disposed between two or more adjacent wells of the multi-well container when the multi-well container is positioned on the vacuum plate in the selected position.

13. The multi-well container positioning device of claim 12, comprising multiple chambers, wherein at least two of the chambers communicate with different orifices disposed through the vacuum plate.

14. The multi-well container positioning device of claim 13, wherein the chambers are concentrically disposed in the multi-well container station.

15. The multi-well container positioning device of claim 1, wherein the vacuum plate contacts the bottom surface of the multi-well container, which bottom surface underlies a well area of the multi-well container, when the multi-well container is positioned on the vacuum plate in the selected position.

16. The multi-well container positioning device of claim 15, wherein the applied negative pressure substantially conforms a shape of at least a portion of the bottom surface of the multi-well container to a contour of at least a portion of the vacuum plate, when the negative pressure is applied in the chamber and the multi-well container is positioned on the vacuum plate in the selected position.

17. The multi-well container positioning device of claim 16, wherein the applied negative pressure substantially flattens at least a portion of the multi-well container, when the negative pressure is applied in the chamber and the multi-well container is positioned on the vacuum plate in the selected position.

18. The multi-well container positioning device of claim 1, comprising at least one negative pressure source operably connected to the chamber.

19. The multi-well container positioning device of claim 18, wherein the negative pressure source comprises a vacuum source.

20. The multi-well container positioning device of claim 18, comprising multiple chambers operably connected to the negative pressure source via at least one valve that regulates the negative pressure applied by the negative pressure source in one or more of the chambers.

21. The multi-well container positioning device of claim 18, comprising at least one controller operably connected to the negative pressure source, which controller is configured to control the negative pressure applied by the negative pressure source.

22. The multi-well container positioning device of claim 21, comprising multiple chambers and multiple negative pressure sources, wherein the negative pressure sources communicate with different chambers, and wherein the controller is operably connected to each of the negative pressure sources and comprises at least one logic device having one or more logic instructions that direct the negative pressure sources to apply pressure in two or more of the chambers substantially simultaneously or in a selected sequence.

23. The multi-well container positioning device of claim 1, wherein the multi-well container station comprises at least one alignment member that is positioned to engage an inner wall of an alignment member receiving area of the multi-well container when the multi-well container is positioned on the vacuum plate.

24. The multi-well container positioning device of claim 23, wherein the multi-well container station comprises multiple alignment members extending from and/or proximal to the vacuum plate and wherein at least two of the alignment members are positioned to engage different inner walls of the alignment member receiving area of the multi-well container when the multi-well container is positioned on the vacuum plate.

25. The multi-well container positioning device of claim 23, wherein the multi-well container station comprises multiple alignment members that together form a nest that is structured to receive the multi-well container when the multi-well container is positioned on the vacuum plate.

26. The multi-well container positioning device of claim 25, wherein at least one of the multiple alignment members comprises an angled surface that is configured to direct the multi-well container into the nest when the multi-well container is placed into the nest.

27. The multi-well container positioning device of claim 23, wherein the alignment member comprises a curved surface that is structured to engage the inner wall of the alignment member receiving area of the multi-well container.

28. The multi-well container positioning device of claim 27, wherein the alignment member comprises a locating pin that extends from or proximal to the vacuum plate.

29. The multi-well container positioning device of claim 23, comprising one or more pushers coupled to the support structure, which pushers are configured to push the multi-well container into contact with the alignment member when the multi-well container is positioned on the vacuum plate.

30. The multi-well container positioning device of claim 29, wherein multiple pushers are coupled to the support structure and wherein at least two of the pushers are configured to push the multi-well container in different directions when the multi-well container is positioned on the vacuum plate.

31. The multi-well container positioning device of claim 29, comprising at least one controller operably connected to at least one of the pushers, which controller directs the pusher to push the multi-well container into contact with the alignment member when the multi-well container is positioned on the vacuum plate.

32. The multi-well container positioning device of claim 29, wherein at least one of the pushers comprises a low friction contact point that is structured to contact the multi-well container when the multi-well container is positioned on the vacuum plate.

33. The multi-well container positioning device of claim 32, wherein the low friction contact point comprises a roller.

34. The multi-well container positioning device of claim 29, comprising at least one lever arm pivotally coupled to the support structure by a pivotal coupling, wherein at least a first of the pushers is configured to push the lever arm such that the lever arm pivots to push the multi-well container into contact with the alignment member when the multi-well container is positioned on the vacuum plate.

35. The multi-well container positioning device of claim 34, wherein the lever arm is coupled to a resilient coupling that causes the first pusher to apply a constant force to the multi-well container in order to push the multi-well container in a first direction when the multi-well container is positioned on the vacuum plate.

36. The multi-well container positioning device of claim 35, wherein the resilient coupling comprises a spring.

37-112. -112. (canceled)