Cartridge and sensor-dispensing instrument

• US 8,153,080 B2
• Filed: 06/23/2005
• Issued: 04/10/2012
• Est. Priority Date: 06/24/2004
• Status: Active Grant

• Current Assignee: Ascensia Diabetes Care Holdings AG (PHC Holdings Corporation)
• Original Assignee: Bayer Healthcare LLC (Bayer AG)
• Inventors: Kheiri, Mohammad A., Purcell, D. Glenn
• Primary Examiner(s): SAKELARIS, SALLY A
• Application Number:
  US11/630,124
• Publication Number:
  US 20080131322A1
• Time in Patent Office: 2,483 Days
• Field of Search: 422/102, 414/796.8, 221/232
• US Class Current: 422/401
• CPC Class Codes: B01L 3/523 with means for closing or opening
• CPC Class Codes: B01L 3/527 for a plurality of reagents
• CPC Class Codes: G01N 33/48 Biological material, e.g. blood, urine G01N33/02, G01N33/26, G01N33/44, G01N33/46 take precedence; Haemocytometers counting blood corpuscules distributed over a surface by scanning the surface G06M11/02
• CPC Class Codes: G01N 33/48757 Test elements dispensed from a stack
• CPC Class Codes: Y10T 436/193333 In aqueous solution

Abstract

A disposable cartridge adapted to be used with a sensor-dispensing instrument comprises a housing, test sensors, a mechanical mechanism and moveable seals. The housing forms at least one opening therethrough. The test sensors are stacked in the housing. The test sensors are adapted to assist in testing at least one analyte. The mechanical mechanism is adapted to urge the test sensors in a first direction. One of the test sensors is positioned for ejection from the cartridge. The moveable seals is adapted to be in a closed position that seals the at least one opening so as to provide a substantially moisture-proof and a substantially air-tight cartridge, and one of the moveable seals is adapted to be in an open position that allows one of the test sensors to be moved therethrough.

Claims

1. A cartridge for storing test sensors, the cartridge comprising:

a one-piece housing having a first opening and a second opening, the one-piece housing being formed by a main-housing portion fixedly joined to a lid-housing portion, the test sensors being stored in the one-piece housing such that at least one of the edges of at least one of the test sensors abuts an internal surface of the main housing portion during storage, the first opening having a first seal and the second opening having a second seal, the first seal and the second seal each having an open position and a closed position, the first seal being separate and distinct from the second seal, the first and the second seals being substantially enclosed within the one-piece housing in response to the first and the second seals being in the open position and in the closed position; and

a mechanical mechanism positioned within the one-piece housing and being configured to urge the test sensors in a first direction,

wherein the first and second seals in the closed position provide a substantially moisture-proof and a substantially air-tight cartridge during the storage of the test sensors and during the dispensing of one of the test sensors, and wherein one of the first seal or the second seal in the open position allows one of the test sensors to be moved therethrough.

2. The cartridge according to claim 1 wherein the mechanical mechanism is a spring.

3. The cartridge according to claim 1 wherein the first seal and the second seal are moveable seals biased in the closed position.

4. The cartridge according to claim 1 wherein the first seal and the second seal are duckbill seals.

5. The cartridge according to claim 1 wherein the first seal and the second seal are spring seals.

6. The cartridge according to claim 1 wherein the first seal and the second seal are hollow tubes.

7. The cartridge according to claim 1 wherein the first seal and the second seal are pivotable seals.

8. The cartridge according to claim 1 wherein the test sensors include an enzyme to assist in testing glucose.

9. The cartridge according to claim 1 further including desiccant.

10. The cartridge according to claim 1 wherein the test sensors are electrochemical test sensors.

11. The cartridge according to claim 1 wherein the test sensors are optical test sensors.

12. The cartridge according to claim 1 wherein at least one of the main-housing portion and the lid-housing portion includes at least one energy director, the at least one energy director being configured to melt thereby forming a seal between the main-housing portion and the lid-housing portion that aids in providing a moisture-proof and an air-tight cartridge during the storage of the test sensors and during the dispensing of one of the test sensors.

13. The cartridge according to claim 1 wherein the first and the second seals are entirely enclosed within the one-piece housing in response to the first and the second seals being in the open position and in the closed position.

31. The cartridge according to claim 1, wherein the main-housing portion and the lid-housing portion are fixedly joined together by sonic welding.

36. The cartridge according to claim 1, wherein at least one of the edges of at least one of the test sensors contacts the internal surface of the main housing portion during storage.

37. The cartridge according to claim 1, wherein there is no separate and distinct structure between at least one of the edges of at least one of the test sensors and the internal surface of the main housing portion during storage.

14. A sensor-dispensing instrument comprising:

a cartridge comprising a housing having a first opening and a second opening, the first opening being surrounded by a first seal and the second opening being surrounded by a second seal, the first seal being separate and distinct from the second seal, the first seal and the second seal each having an open position and a closed position, the first and the second seals being substantially enclosed within the housing in response to the first and the second seals being in the open position and in the closed position, the first seal being configured to open inward towards an interior of the housing and the second seal being configured to open outward towards an exterior of the housing, a mechanical mechanism configured to urge test sensors in a first direction;

wherein the first seal and the second seal are biased in the closed position during the storage of the test sensors and during the dispensing of one of the test sensors, and wherein one of the first seal or the second seal is moveable to the open position to allow one of the test sensors to be moved therethrough; and

an outer housing forming a dispensing outlet and being adapted to receive the cartridge.

15. The instrument according to claim 14 wherein the sensor-dispensing instrument further includes a pusher assembly, wherein during movement of the pusher assembly from a first position to a second position, the pusher assembly contacts one of the test sensors and pushes it at least partially through one of the first and second openings.

27. The instrument according to claim 14 further comprising a pusher device configured to move between a first position and a second position.

28. The instrument according to claim 27 wherein the pusher device includes a slider and a bar, the bar being adapted to slide from the first position to the second position upon movement of the slider from the first position to the second position.

16. A cartridge adapted to be used with a sensor-dispensing instrument, the cartridge comprising:

a housing forming at least two openings therethrough;

a plurality of test sensors being stacked in the housing;

a mechanical mechanism configured to urge the plurality of test sensors in a first direction; and

a plurality of moveable seals, each of the moveable seals being separate and distinct, each of the moveable seals being biased in a closed position to seal the at least two openings so as to provide a substantially moisture-proof and a substantially air-tight cartridge, each of the moveable seals being substantially enclosed within the housing, the first seal being configured to open inward towards an interior of the housing and the second seal being configured to open outward towards an exterior of the housing, and one of the plurality of moveable seals being moveable to be in an open position to allow one of the plurality of test sensors to be moved therethrough.

17. The cartridge according to claim 16 wherein the mechanical mechanism includes a torsion spring and a movable pressure plate.

18. The cartridge according to claim 16 wherein the housing forms exactly two openings.

19. The cartridge according to claim 16 wherein each of the plurality of moveable seals is a duckbill seal.

20. The cartridge according to claim 16 wherein the plurality of test sensors is adapted to assist in testing at least one analyte, the analyte being glucose.

21. The cartridge according to claim 16 further including desiccant.

22. The cartridge according to claim 16 wherein the plurality of sensors is electrochemical sensors.

23. The cartridge according to claim 16 wherein each of the moveable seals is entirely enclosed within the housing.

35. The cartridge according to claim 16, wherein the first seal and the second seal are both proximate an exterior of the housing.

24. A cartridge comprising:

a housing having a first opening and a second opening, the first opening having a first seal and the second opening having a second seal, the first seal and the second seal both being adjacent to an exterior of the cartridge, the first and the second seals each including a first outwardly extending portion and a second outwardly extending portion, the first and the second outwardly extending portions of the first seal having an open position and a closed position and the first and the second outwardly extending portions of the second seal having an open position and a closed position, the first seal being separate and distinct from the second seal, the first and the second seals being enclosed within the housing;

a plurality of test sensors being stacked in the housing, the plurality of test sensors being adapted to assist in testing at least one analyte;

a mechanical mechanism configured to urge the plurality of test sensors in a first direction such that one of the plurality of test sensors is positioned for ejection from the cartridge; and

wherein the first and the second outwardly extending portions of the first seal and the first and the second outwardly extending portions of the second seal in the closed position provide a substantially moisture-proof and a substantially air-tight cartridge during the storage of the plurality of test sensors and during the dispensing of one of the plurality of test sensors, one of the first and the second outwardly extending portions of the first seal and the first and the second outwardly extending portions of the second seal in the open position allows one of the plurality of test sensors to be moved therethrough.

25. A sensor-dispensing instrument comprising:

a cartridge comprising a one-piece housing having a first opening and a second opening, the one-piece housing being formed by a main-housing portion fixedly joined to a lid-housing portion, the first opening having a first seal and the second opening having a second seal, the first seal and the second seal each having an open position and a closed position, the first seal being separate and distinct from the second seal, the first and the second seals being substantially enclosed within the one-piece housing, the first seal being configured to open inward towards an interior of the housing and the second seal being configured to open outward towards an exterior of the housing, the first seal and the second seal both being proximate an exterior of the housing, a plurality of test sensors being stored in the housing, the test sensors being stored in the one-piece housing such that at least one of the edges of at least one of the test sensors abuts an internal surface of the main housing portion during storage, the plurality of test sensors adapted to assist in testing at least one analyte, a mechanical mechanism configured to urge the plurality of test sensors in a first direction such that one of the plurality of test sensors is positioned for ejection from the cartridge, the mechanical mechanism including a torsion spring;

the first and second seals biased in the closed position so as to provide a substantially moisture-proof and a substantially air-tight cartridge during the storage of the plurality of test sensors and during the dispensing of one of the plurality of test sensors, one of the first seal and the second seal in the open position allows one of the plurality of test sensors to be moved therethrough;

an outer housing forming a dispensing outlet that receives the cartridge; and

a pusher assembly that includes a slider and a thin flat bar coupled to the pusher assembly, the flat bar slides from a first position to a second position on movement of the pusher assembly,

wherein during the movement of the flat bar from the first position to the second position, the flat bar is configured to contact one of the plurality of test sensors and push it at least partially through at least one of the first and the second seals.

26. The instrument according to claim 25 wherein the sensor-dispensing instrument is a blood glucose meter.

38. The instrument according to claim 25, wherein at least one of the edges of at least one of the test sensors contacts the internal surface of the main housing portion during storage.

39. The instrument according to claim 25, wherein there is no separate and distinct structure between at least one of the edges of at least one of the test sensors and the internal surface of the main housing portion during storage.

29. A cartridge for storing items, the cartridge comprising:

a housing having a first opening and a second opening, the first opening having a first seal and the second opening having a second seal, the first seal and the second seal each having an open position and a closed position, the first seal being separate and distinct from the second seal, the first and the second seals being enclosed within the housing, the first seal and the second seal both being adjacent to an exterior of the housing; and

a mechanical mechanism configured to urge the items in a first direction,

wherein the items are stacked in the housing, and the first and the second seals are configured to be in the closed position so as to provide a substantially moisture-proof and a substantially air-tight cartridge during the storage of the items and during the dispensing of one of the items, and one of the first seal or the second seal being configured to be in the open position to allow one of the items to be moved therethrough.

30. The cartridge according to claim 29 wherein the first seal and the second seal are moveable seals biased in the closed position.

32. The cartridge according to claim 29, wherein the housing comprises a main-housing portion and a lid-housing portion fixedly joined together.

33. The cartridge according to claim 29 wherein the first and the second seals are entirely enclosed within the housing.

34. The cartridge according to claim 29, wherein the first seal is configured to open inward towards an interior of the housing and the second seal is configured to open outward towards an exterior of the housing.