Analytical pretreatment device

• US 8,480,970 B2
• Filed: 11/30/2005
• Issued: 07/09/2013
• Est. Priority Date: 11/30/2004
• Status: Expired due to Fees

• Current Assignee: Hitachi Chemical Company Limited (Resonac Holdings Corp.)
• Original Assignee: Hitachi Chemical Company Limited (Resonac Holdings Corp.)
• Inventors: Yasue, Kiyoshi, Kawazoe, Hiroshi, Akai, Kunihiko
• Primary Examiner(s): Bullock, In Suk
• Assistant Examiner(s): EOM, ROBERT J
• Application Number:
  US11/791,835
• Publication Number:
  US 20080124242A1
• Time in Patent Office: 2,778 Days
• Field of Search: 204/601, 204/602, 210/656, 210/660, 422/50, 422/70
• US Class Current: 422/500
• CPC Class Codes: B01L 2200/027 for microfluidic devices
• CPC Class Codes: B01L 2200/12 Specific details about manufacturing devices
• CPC Class Codes: B01L 2300/0816 Cards, e.g. flat sample carriers usually with flow in two horizontal directions
• CPC Class Codes: B01L 2300/0838 Capillaries
• CPC Class Codes: B01L 2300/0874 Three dimensional network
• CPC Class Codes: B01L 3/5025 for parallel transport of multiple samples
• CPC Class Codes: B01L 3/502715 characterised by interfacing components, e.g. fluidic, electrical, optical or mechanical interfaces
• CPC Class Codes: B01L 3/565 Seals in general F16L

Abstract

The present invention relates to an analytical pretreatment device, comprising a supporting material 1, m inlet ports 3 as fluid injection ports, n outlet ports 4 as fluid outlet port, m×n hollow filament 5 communicating between the inlet ports and the outlet ports, and n filler cartridges 6 connected to the outlet ports (wherein, m is a natural number; and n is a natural number) that provides an analytical pretreatment device allowing easier automation of the analytical pretreatment step for improvement in operational accuracy and saving in labor.

Claims

1. An analytical pretreatment device, comprising a supporting material,

m inlet ports as fluid injection ports,

n outlet ports as fluid outlet port,

hollow filaments that do not leak fluid communicating between the inlet ports and the outlet ports,

wherein the number of hollow filaments is equal to the equation m×

n, and

a plurality of filler cartridges, wherein each of the n outlet ports are connected to a respective filler cartridge,

wherein, m is a natural number of two or more; and

n is a natural number of two or more, and

wherein at least one hollow filament is placed in such a manner that it crosses at least one other hollow filament,

wherein the supporting material comprises a first supporting material and a second supporting material,

wherein the hollow filaments are placed longitudinally between the first supporting material and the second supporting material with the second supporting material formed over the first supporting material and the hollow filaments thereon, and

further comprising a fixing layer formed on the hollow filament-sided surface of at least one of the first supporting material and the second supporting material for holding the hollow filaments.

2. The analytical pretreatment device according to claim 1, wherein at least part of the inlet ports are connected to the supporting material.

3. The analytical pretreatment device according to claim 1, wherein at least part of the outlet ports are connected to the supporting material.

4. The analytical pretreatment device according to claim 1, wherein at least part of the hollow filaments are connected to the supporting material.

5. The analytical pretreatment device according to claim 1, wherein the outlet ports and respective filler cartridges are integrated.

6. The analytical pretreatment device according to claim 1, wherein the supporting material is a supporting film.

7. The analytical pretreatment device according to claim 1, wherein the internal diameter of the hollow filaments is 0.01 to 1.0 mm.

8. The analytical pretreatment device according to claim 1, wherein the thickness of the supporting material is 0.05 mm or more.

9. The analytical pretreatment device according to claim 1, wherein the upper limit of the thickness of the supporting material is 3 mm.

10. The analytical pretreatment device according to claim 1, wherein the thickness of the supporting material is 0.5 mm or more.

11. The analytical pretreatment device according to claim 1,

wherein at least part of the hollow filaments are connected to the supporting material and

wherein the outlet ports and respective filler cartridges are integrated.

12. An analytical pretreatment device, comprising

a supporting material,

m inlet ports as fluid injection ports,

n outlet ports as fluid outlet port,

hollow filaments that do not leak fluid communicating between the inlet ports and the outlet ports, wherein the number of hollow filaments is equal to the equation m×

n, and

a plurality of filler cartridges, wherein each of the n outlet ports are connected to a respective filler cartridge,

wherein m is a natural number of two or more; and

n is a natural number of two or more, and

wherein at least one hollow filament is placed in such a manner that it crosses at least one other hollow filament,

wherein the supporting material comprises a first supporting material and a second supporting material,

wherein the hollow filaments are placed longitudinally between the first supporting material and the second supporting material with the second supporting material formed over the first supporting material and the hollow filaments thereon, and

further comprising a fixing layer formed on the hollow filament-sided surface of at least one of the first supporting material and the second supporting material for holding the hollow filaments,

wherein the fixing layer is a layer of at least one of an adhesive, adhesive material, rubber and gel.

13. The analytical pretreatment device according to claim 12, wherein at least part of the inlet ports are connected to the supporting material.

14. The analytical pretreatment device according to claim 12, wherein at least part of the outlet ports are connected to the supporting material.

15. The analytical pretreatment device according to claim 12, wherein at least part of the hollow filaments are connected to the supporting material.

16. The analytical pretreatment device according to claim 12, wherein the outlet ports and respective filler cartridges are integrated.

17. The analytical pretreatment device according to claim 12, wherein the internal diameter of the hollow filaments is 0.01 to 1.0 mm.

18. The analytical pretreatment device according to claim 12, wherein the thickness of the supporting material is 0.05 mm or more.

19. The analytical pretreatment device according to claim 12, wherein the upper limit of the thickness of the supporting material is 3 mm.

20. The analytical pretreatment device according to claim 12, wherein the thickness of the supporting material is 0.5 mm or more.

21. An analytical pretreatment device, comprising

a supporting material,

m inlet ports as fluid injection ports,

n outlet ports as fluid outlet port,

hollow filaments that do not leak fluid communicating between the inlet ports and the outlet ports, wherein the number of hollow filaments is equal to the equation m×

n, and

a plurality of filler cartridges, wherein each of the n outlet ports are connected to a respective filler cartridge,

wherein m is a natural number of two or more; and

n is a natural number of two or more, and

wherein at least one hollow filament is placed in such a manner that it crosses at least one other hollow filament,

wherein the supporting material comprises a first supporting material and a second supporting material,

wherein the hollow filaments are placed longitudinally between the first supporting material and the second supporting material with the second supporting material formed over the first supporting material and the hollow filaments thereon, and

wherein the outlet ports and respective filler cartridges are integrated.

22. The analytical pretreatment device according to claim 21, wherein at least part of the inlet ports are connected to the supporting material.

23. The analytical pretreatment device according to claim 21, wherein at least part of the outlet ports are connected to the supporting material.

24. The analytical pretreatment device according to claim 21, wherein at least part of the hollow filaments are connected to the supporting material.

25. The analytical pretreatment device according to claim 21, wherein the supporting material has a fixing layer for holding the hollow filaments.

26. The analytical pretreatment device according to claim 21, wherein part of the outlet ports have a function as a filler cartridge by filling a filler therein.

27. The analytical pretreatment device according to claim 21, wherein the internal diameter of the hollow filaments is 0.01 to 1.0 mm.

28. The analytical pretreatment device according to claim 21, wherein the thickness of the supporting material is 0.05 mm or more.

29. The analytical pretreatment device according to claim 21, wherein the upper limit of the thickness of the supporting material is 3 mm.

30. The analytical pretreatment device according to claim 21, wherein the thickness of the supporting material is 0.5 mm or more.