Apparatus for controlled dispensing of pharmaceutical and medical supplies

• US 6,011,999 A
• Filed: 12/05/1997
• Issued: 01/04/2000
• Est. Priority Date: 12/05/1997
• Status: Expired due to Term

• Current Assignee: Omnicell Incorporated
• Original Assignee: Omnicell Technologies Inc.
• Inventors: Holmes, William K.
• Primary Examiner(s): Grant, William
• Assistant Examiner(s): Garland, Steven R.
• Application Number:
  US08/985,448
• Time in Patent Office: 760 Days
• Field of Search: 364/479.01, 364/479.02, 364/479.06, 364/479.09, 364/479.11, 364/479.12, 364/479.14, 364/478.01, 221/2, 221/5, 221/9, 221/151-159, 221/256, 312/209, 312/215, 312/222, 337/140, 434/159, 434/161, 318/117, 310/307, 700/231, 700/232, 700/236, 700/237, 700/241, 700/242, 700/244, 700/213
• US Class Current: 700/231
• CPC Class Codes: E05B 47/00 Operating or controlling locks or other fastening devices by electric or magnetic means electric permutation locks E05B49/00
• CPC Class Codes: E05B 47/0009 with thermo-electric actuators, e.g. heated bimetals
• CPC Class Codes: E05B 63/24 Arrangements in which the fastening members which engage one another are mounted respectively on the wing and the frame and are both movable, e.g. for release by moving either of them operating or controlling locks using electric or magnetic means in the striker or on the frame E05B47/0046, adaptation of locks locking the bolt by an electromagnet in the striker E05B47/0696, locks with means carried by the bolt for interlocking with the keeper and having additional bolt in the striker E05B63/128; hasp locks E05B65/48
• CPC Class Codes: E05B 65/46 for drawers
• CPC Class Codes: G07F 11/62 in which the articles are stored in compartments in fixed receptacles
• CPC Class Codes: G07F 17/0092 for assembling and dispensing of pharmaceutical articles medical dispensers for private use, A61J7/00
• CPC Class Codes: G07F 9/026 for alarm, monitoring and auditing in vending machines or means for indication, e.g. when empty

Abstract

A dispensing apparatus for controlled dispensing of pharmaceutical and medical supplies which includes a cabinet having a plurality of drawers, the drawers each have a plurality of receptacles, with each receptacle sized to hold one item, and having a lid movable between a closed position and an open position. Selectively actuatable locks are provided for releasably maintaining the lid in the closed position, the locks include an electrically responsive actuator wire connected to the locks and causing movement of the locks in response to an electrical current supplied to the electrically responsive actuator wire. A processor is in communication with the selectively actuatable lock and configured to send a signal to the electrically responsive actuator wire to unlock the lid.

Claims

1. A dispensing apparatus for controlled dispensing of pharmaceutical and medical supplies comprising:

a cabinet having an interior

at least one drawer supported by the cabinet for movement between a storage position wherein the drawer is housed in the interior of the cabinet and an extended position wherein the drawer is accessible for removal of items from the drawer, the drawer having a plurality of receptacles, with each receptacle sized to hold at least one item, and wherein at least one of the receptacles includes a lid movable between a closed position and an open position,

a selectively actuatable lock for releasably maintaining the lid in the closed position, the selectively actuatable lock including a lock member shiftable between a locking position and an unlocking position, and an electrically responsive actuator wire connected to the lock member and causing movement of the lock member in response to an electrical current supplied to the electrically responsive actuator wire,

a processor in communication with the selectively actuatable lock and configured to send a signal to the electrically responsive actuator wire to unlock the lid.

2. A dispensing apparatus as set forth in claim 1 wherein said electrically responsive actuator wire includes opposite ends and wherein the length of the actuator wire changes in response to an electrical signal to the actuator wire.

3. A dispensing apparatus as set forth in claim 2 and further including a first spring connected to one of said opposite ends of said actuator wire, said first spring being compressed by movement of said lock member from said locking position to said unlocking position, said first spring biasing said lock member toward said unlocking position, and a second spring connected to the other of said opposite ends of said actuator wire to permit contraction of the actuator wire.

4. A dispensing apparatus as set forth in claim 2 wherein a first spring is connected to one of said opposite ends of said actuator wire and biases said lock member toward said locking position and wherein a second spring is connected to the other of said opposite ends of said actuator wire to resist contraction of said actuator wire.

5. A dispensing apparatus as set forth in claim 1 wherein the lid is supported such that it will open partially upon movement of the lock member to the unlocking position.

6. A dispensing apparatus as set forth in claim 1 and further including a spring for biasing said lid to at least a partially open position when said lock member shifts to an unlocking position.

7. A dispensing apparatus as set forth in claim 1 wherein said lid includes a visual indicator for providing a visual signal when the lid moves to an open position.

8. A dispensing apparatus as set forth in claim 1 wherein said lid includes a forward edge portion which is visually exposed when the lid is open and which is hidden when the lid is closed and wherein said forward edge includes a color patch to provide a visual indicator that the lid is open.

9. A dispensing apparatus as set forth in claim 1 wherein the processor includes means for receiving input user information and item identification information and for providing an output signal in response to such input information.

10. A dispensing apparatus as set forth in claim 1 wherein a plurality of the receptacles of the drawer are selectively closed by hinged lids and selectively actuatable locks are provided for selectively maintaining said lids closed, each of said selectively actuatable locks includes an electrically responsive actuator wire.

11. A dispensing apparatus as set forth in claim 1 wherein said electrically responsive actuator wire includes opposite ends, one of said opposite ends connected to said lock member and the other of said opposite ends being connected to said drawer, and wherein said electrically responsive actuator wire contracts in length when an electrical current is supplied to said electrically responsive actuator wire.

12. A dispensing apparatus as set forth in claim 1 and further including a drawer lock for selectively preventing movement of said drawer to the extended position, the processor being in communication with the drawer lock and configured to send a signal to unlock the drawer lock in response to identification information supplied to the processor.

13. A dispensing apparatus as set forth in claim 1 wherein the drawer includes a hinged cover covering the plurality of receptacles, the hinged cover being movable between an open position wherein the receptacles are exposed for removal of items and a closed position, the cover including a plurality of openings aligned over the receptacles when the hinged cover is in a closed position, the hinged cover supporting a plurality of hinged lids positioned over the receptacles.

14. A dispensing apparatus set forth in claim 13 wherein the cover includes a lower portion and further including a circuit board secured to said lower portion of said cover, said circuit board including a plurality of openings therethrough, said openings in said circuit board being aligned with said plurality of openings in said cover.

15. A dispensing apparatus as set forth in claim 14 wherein said lock member and said electrically responsive actuator wire are housed between said cover and said circuit board.

16. A dispensing apparatus as set forth in claim 13 wherein the lock member and the electrically responsive actuator wire are supported by the hinged cover for movement with the hinged cover.

17. A dispensing apparatus as set forth in claim 13 wherein the hinged cover includes a lower surface supporting the lock member and the electrically responsive actuator wire.

18. A dispensing apparatus as set forth in claim 13 wherein the lids are each supported by the cover for hinged pivotal movement with respect to the hinged cover.

19. A dispensing apparatus as set forth in claim 13 wherein the drawer includes a removable tray including said plurality of receptacles, and the tray is selectively covered by the hinged cover when the hinged cover is in the closed position and removable from the drawer for refilling when the hinged cover is moved to a raised position.

20. A dispensing apparatus as set forth in claim 19 wherein the removable tray includes an upper surface covered by a tearable substrate, the tearable substrate selectively sealing the receptacles until torn.

21. A dispensing apparatus as set forth in claim 20 wherein the tearable substrate is foil.

22. A dispensing apparatus as set forth in claim 20, further including sensor means between the drawer and the removable tray and providing a signal to the processor to indicate that the tray is properly positioned in the drawer.

23. A dispensing apparatus as set forth in claim 22 wherein the sensor means provides a signal to the processor to indicate to the processor that the proper tray is housed in the drawer.

24. A dispensing apparatus as set forth in claim 1, further including a plurality of touch sensitive buttons in communication with the processor and for providing input signals to the processor.

25. A drawer assembly for use in a dispensing apparatus for controlled single unit dispensing of pharmaceutical and medical supplies, the drawer assembly comprising:

at least one drawer adapted to be supported for movement between a storage position and an extended position wherein the drawer is accessible for removal of items from the drawer, the drawer having a plurality of receptacles, with each receptacle sized to hold a single item, at least a plurality of the receptacles including lockable lids,

selectively actuatable locks for releasably locking said lockable lids to prevent access to said receptacles, each of said selectively actuatable locks including a lock member being shiftable between a locking position and an unlocking position, and an electrically responsive actuator wire connected to the lock member to cause movement of the lock member in response to an electrical signal being supplied to the electrically responsive actuator wire, the electrically responsive actuator wire being adapted to be actuated by a processor containing user information and item identification information.

26. A drawer assembly as set forth in claim 25 wherein said electrically responsive actuator wire shortens in response to an electrical signal to the actuator wire.

27. A drawer assembly as set forth in claim 25 and further including a drawer lock associated with said one drawer for selectively preventing movement of the drawer from the storage position to the extended position, the processor being in communication with the drawer lock and configured to send a signal to unlock the drawer lock in response to identification information.

28. A drawer assembly as set forth in claim 25 wherein the drawer includes a hinged cover covering the plurality of receptacles, the hinged cover being movable between an open position wherein the receptacles are exposed for removal of items and a closed position, the cover including a plurality of openings aligned over the receptacles when the hinged cover is in a closed position, the hinged cover supporting the plurality of hinged lids positioned over the receptacles.

29. A drawer assembly as set forth in claim 28 wherein the lock members and the electrically responsive actuator wires are supported by the hinged cover for movement with the hinged cover.

30. A drawer assembly as set forth in claim 28 wherein the hinged cover includes a lower surface supporting the lock members and the electrically responsive actuator wires.

31. A drawer assembly as set forth in claim 28 wherein the lids are each supported by the cover for hinged pivotal movement with respect to the hinged cover.

32. A drawer assembly as set forth in claim 28 wherein the cover includes a plurality of rows of openings separated by linear extending ribs, and wherein said lock members and said electrically responsive actuator members are supported by said ribs.

33. A drawer assembly as set forth in claim 28 and further including a removable tray including said plurality of receptacles, and the tray is selectively covered by the hinged cover when the hinged cover is in the closed position and removable from the drawer for refilling when the hinged cover is moved to a raised position.

34. A drawer assembly as set forth in claim 33 wherein the removable tray includes an upper surface covered by tearable substrate, the tearable substrate selectively sealing the receptacles until torn.

35. A dispensing apparatus as set forth in claim 34 wherein the tearable substrate is foil.

36. A dispensing apparatus for controlled dispensing of pharmaceutical and medical supplies comprising:

a cabinet having an interior

at least one drawer supported by the cabinet for movement between a storage position wherein the drawer is housed in the interior of the cabinet and an extended position wherein the drawer is accessible for removal of items from the drawer, the drawer housing a tray having a plurality of upwardly open receptacles, with each receptacle sized to hold at least one item, the drawer including a hinged cover covering the tray and the plurality of receptacles, the hinged cover being movable between an open position wherein the receptacles are exposed for removal of items and a closed position, the cover including a plurality of openings aligned over the receptacles when the hinged cover is in a closed position, the hinged cover supporting a plurality of hinged lids positioned over the receptacles, each lid supported by the cover and movable between a closed position and an open position, each lid including a selectively actuatable lock, the selectively actuatable lock including a lock member shiftable between a locking position and an unlocking position,

a processor for receiving user information and item identification information, the processor being in communication with each of the selectively actuatable locks and configured to send a signal to unlock at least one selected lid based on identification information supplied to the processor, and

an electrically responsive actuator wire operably connected to the lock member to selectively move the lock member to the unlocking position, the electrically responsive actuator wire including opposite ends and wherein the length of the electrically responsive actuator wire changes in response to an electrical signal to the actuator wire from the processor.

37. A dispensing apparatus as set forth in claim 36 wherein the lids are each supported by the cover for hinged pivotal movement with respect to the hinged cover.

38. A latch for use in a dispensing apparatus for controlled dispensing of pharmaceutical and medical supplies, the dispensing apparatus having a cabinet having an interior and at least one drawer supported by the cabinet for movement between a storage position wherein the drawer is housed in the interior of the cabinet and an extended position wherein the drawer is accessible for removal of items from the drawer, the drawer having a plurality of receptacles, with each receptacle sized to hold at least one item, and wherein at least one of the receptacles includes a lid movable between a closed position and an open position, the latch comprising:

a lock member supported by the drawer and shiftable between a locking position wherein the lock member restrains the lid in the closed position and an unlocking position wherein the lock member releases the lid to permit the lid to move to the open position,

an electrically responsive actuator wire connected to the lock member to cause movement of the lock member in response to an electrical current supplied to the electrically responsive actuator wire.

39. A latch as set forth in claim 38 wherein the dispensing apparatus further includes a processor for receiving user information and item identification information, and wherein the processor is in communication with the electrically responsive actuator wire and configured to send a signal to the electrically responsive actuator wire to unlock the lid based on identification information supplied to the processor.

40. A latch for use in a dispensing apparatus as set forth in claim 38 wherein the length of the actuator wire changes in response to an electrical signal to the actuator wire.

41. A latch for use in a dispensing apparatus as set forth in claim 38 wherein the electrically responsive actuator wire includes opposite ends, one of said opposite ends connected to said lock member and the other of said opposite ends being connected to said drawer, and wherein said electrically responsive actuator wire contracts in length when an electrical current is supplied to said electrically responsive actuator wire.

42. A dispensing apparatus for controlled dispensing of supplies comprising:

at least one storage member, the storage member having at least one receptacle, with the receptacle sized to hold at least one item, and wherein the receptacle includes a lid movable between a closed position and an open position,

a selectively actuatable lock for releasably maintaining the lid in the closed position, the selectively actuatable lock including a lock member shiftable between a locking position and an unlocking position, and an electrically responsive actuator wire connected to the lock member and causing movement of the lock member in response to an electrical current supplied to the electrically responsive actuator wire,

a processor in communication with the selectively actuatable lock and configured to send a signal to the electrically responsive actuator wire to unlock the lid.

43. A dispensing apparatus as set forth in claim 42 wherein said electrically responsive actuator wire includes opposite ends and wherein the length of the actuator wire changes in response to an electrical signal to the actuator wire.

44. A dispensing apparatus as set forth in claim 42 wherein said lid is supported such that it will open partially upon movement of the lock member to the unlocking position.

45. A dispensing apparatus as set forth in claim 42 and further including a spring for biasing said lid to at least a partially open position when said lock member shifts to an unlocking position.

46. A dispensing apparatus as set forth in claim 42 wherein said lid includes a visual indicator for providing a visual signal when the lid moves to an open position.

47. A dispensing apparatus as set forth in claim 42 wherein said lid includes a forward edge portion which is visually exposed when the lid is open and which is hidden when the lid is closed and wherein said forward edge includes a color patch to provide a visual indicator that the lid is open.

48. A dispensing apparatus as set forth in claim 42 wherein the processor includes means for receiving input user information and item identification information and for providing an output signal in response to such input information.

49. A dispensing apparatus as set forth in claim 42 wherein the storage member includes a plurality of receptacles and wherein the plurality of the receptacles of the storage member are selectively closed by hinged lids and selectively actuatable locks are provided for selectively maintaining said lids closed, each of said selectively actuatable locks including an electrically responsive actuator wire.

50. A dispensing apparatus as set forth in claim 42 and further including sensor means between the storage member and the receptacle and providing a signal to the processor to indicate that the receptacle is properly positioned in the storage member.

51. A dispensing apparatus as set forth in claim 50 wherein the sensor means provides a signal to the processor to indicate to the processor that the proper receptacle is housed in the storage member.

52. A dispensing apparatus as set forth in claim 42 and further including a plurality of touch sensitive buttons in communication with the processor and for providing input signals to the processor.

53. A storage device for use in controlled dispensing of supplies, the storage device comprising:

at least one receptacle sized to hold at least one item, the receptacle including a lockable lid,

a selectively actuatable lock for releasably locking said lockable lid to prevent access to said receptacle, said selectively actuatable lock including a lock member shiftable between a locking position and an unlocking position, and an electrically responsive actuator wire connected to the lock member to cause movement of the lock member in response to an electrical signal being supplied to the electrically responsive actuator wire, the electrically responsive actuator wire being adapted to be actuated by a processor containing user information and item identification information.

54. A storage device as set forth in claim 53 wherein said electrically responsive actuator wire shortens in response to an electrical signal to the actuator wire.

55. A latch for use in a dispensing apparatus for controlled dispensing of supplies, the dispensing apparatus having a receptacle, the receptacle sized to hold at least one item, and wherein the receptacle includes a lid movable between a closed position and an open position, the latch comprising:

a lock member supported by the receptacle and shiftable between a locking position wherein the lock member restrains the lid in the closed position and an unlocking position wherein the lock member releases the lid to permit the lid to move to the open position,

an electrically responsive actuator wire connected to the lock member to cause movement of the lock member in response to an electrical current supplied to the electrically responsive actuator wire.

56. A latch as set forth in claim 55 and wherein the dispensing apparatus further includes a processor for receiving user information and item identification information, and wherein the processor is in communication with the electrically responsive actuator wire and configured to send a signal to the electrically responsive actuator wire to unlock the lid based on identification information supplied to the processor.

57. A latch as set forth in claim 55 wherein the length of the actuator wire changes in response to an electrical signal to the actuator wire.