Authomated pill-dispensing apparatus

• US 7,210,598 B2
• Filed: 05/31/2002
• Issued: 05/01/2007
• Est. Priority Date: 05/31/2002
• Status: Expired due to Fees

• Current Assignee: Microfil LLC
• Original Assignee: Microfil LLC
• Inventors: Gerold, William O., Gerold, William J.
• Primary Examiner(s): Maekey; Patrick
• Assistant Examiner(s): Kohner; Matthew J.
• Application Number:
  US10/160,970
• Publication Number:
  US 20030222091A1
• Time in Patent Office: 1,796 Days
• Field of Search: 221/123, 221/124, 221/133, 221/200, 221/9, 221/13, 221/241, 221/207, 221/246, 221/247, 221/251, 700/241, 700/242, 700/244, 198/766, 198/769, 198/771, 535/00, 53/52, 53/55, 534/95, 534/11, 531/314, 532/47, 705/2, 705/3
• US Class Current: 221/123
• CPC Class Codes: B65G 2201/02 Articles
• CPC Class Codes: G07F 11/70 in which the articles are formed in the apparatus from components, blanks, or material constituents
• CPC Class Codes: G07F 13/025 wherein the volume is determined during delivery
• CPC Class Codes: G07F 17/0092 for assembling and dispensing of pharmaceutical articles medical dispensers for private use, A61J7/00
• CPC Class Codes: G16H 20/13 delivered from dispensers

Abstract

An under-counter portable automatic pill-dispensing apparatus includes a double array of storage units for storing pills in bulk, a retriever between the two arrays for retrieving selected storage units, and a pill-dispensing module for unloading pills into a vial. The storage units each include an outer container, a track positioned in a bottom of the outer container, and a hopper movably positioned within the outer container for movement toward and away from the track. The pill-dispensing module includes an oscillator for the track, a pill counter, and a lift for raising and lowering the hopper to control flow of pills. A prescription information station is provided including a computer for receiving patient prescription information, a printer for printing a label for the vial and for applying the label to the vial, bar code scanners for verification, and distributed controllers for operating the various components.

Claims

1. A pill-dispensing apparatus for automatically dispensing solid pills, comprising:

a plurality of storage units for storing pills in bulk, each storage unit including an outer container, a track positioned in a bottom of the outer container, and a hopper movably positioned within the outer container for movement toward and away from the track to vary a size of a gap therebetwewn; and

a pill-dispensing module including a dock for receiving and holding a selected one of the storage units, a drive unit for oscillating the track to motivate the pills along the track, a pill counter for counting pills dispensed from the track, and a lift for raising and lowering the hopper to vary a gap between the hopper and the track to control flow and to and to assist in motivating pills to fall from the hopper to the track.

2. The pill-dispensing apparatus defined in claim 1, including a mobile frame, the storage units being supported on the mobile frame, and including a retriever operable supported on the frame for retrieving a selected one of the storage units based on prescription information and for positioning the selected one storage unit in the pill-dispensing module.

3. The pill-dispensing apparatus defined in claim 2, including a bulk vial handler on the mobile frame for holding a vial under the pill-dispensing module for receiving the dispensed pills.

4. The pill-dispensing apparatus defined in claim 3, including a prescription information station including a computer operably connected to the retriever for receiving patient prescription information.

5. The pill-dispensing apparatus defined in claim 4, including a printer for printing a label for the vial and for applying the label to the vial.

6. The pill-dispensing apparatus defined in claim 5, including a control system for operating the pill-dispensing module, the retriever, the vial handler, and the printer.

7. The pill-dispensing apparatus defined in claim 1, including a vial handler for holding a vial under the pill-dispensing module for receiving the dispensed pills.

8. The pill-dispensing apparatus defined in claim 1, including a prescription information station including a computer operably connected to the pill-dispensing module for receiving patient prescription information.

9. The pill-dispensing apparatus defined in claim 1, wherein the vibrator includes first and second vibrator nodes that are independently controlled.

10. The pill-dispensing apparatus defined in claim 1, including a controller for operating the pill-dispensing module, the retriever, the vial handler, and the printer.

11. The pill-dispensing apparatus defined in claim 1, wherein the track comprises:

a solid member having a top surface defining a horizontal plane, the top surface having a groove formed therein that extends from an upstream end of the solid member across a middle section of the solid member to a downstream end of the solid member and further that extends to an edge of the solid member at the downstream end;

the groove in the downstream end defining a well-defined “

V”

shape with first angled side surfaces that are adapted to convey singulated pills one at a time off the edge of the downstream end, the groove in the upstream end defining an enlarged shape with second angled side surfaces shaped to store pills but also slidingly convey pills flowing onto the upstream end toward a center of the groove; and

the groove in the middle section being formed from third angled side surfaces that extend at compound angles to the first and second angled side surfaces to form a transition pocket that redistributes bunched-up pills as the bunched-up pills travel from the upstream end into the middle section in order to unbunch the pills, and then centers and singulates the pills as the unbunched pills travel out of the transition pocket in the middle section to the downstream end.

12. The pill-dispensing apparatus defined in claim 1, including:

a mobile frame on wheels;

the plurality of storage units being movably stored on the frame;

an x-y-z direction retriever module on the frame for retrieving the storage units one at a time based on prescription information;

the pill-dispensing module also being supported on the frame, and including a dock for receiving and holding a selected one of the storage units and for dispensing pills from the selected one storage unit, the retriever being adapted to position the selected one storage unit in the pill-dispensing module for dispensing pills and then being adapted to replace the selected one storage unit in its storage position on the frame;

a vial handler module on the frame for holding a vial under the pill-dispensing module for receiving the dispensed pills; and

a controller for operating the pill-dispensing module, the retriever module, and the vial handler module.

13. A combination including a pill-dispensing apparatus as defined in claim 1, and

a countertop and countertop support adapted to position the countertop above a floor surface at a height suitable for use by a pharmacist standing and working adjacent the countertop, the countertop having a top surface suitable for handling pills and filling prescriptions, and further the opposing sides of the countertop being open so that the pharmacist can communicate with and give prescriptions to customers on a side of the countertop opposite from the pharmacist;

the pill-dispensing apparatus including a retriever for selecting one of the storage units, a dispensing station for dispensing pills from the selected storage unit, a vial handler for collecting the dispensed pills, all of which are positioned under the countertop.

14. A pill-dispensing apparatus for automatically dispensing solid pills, comprising:

an outer container;

a track positioned at a bottom of the outer container;

a hopper movably positioned within the outer container for movement toward and away from the track;

a dock for holding the storage unit;

an oscillator for vibrating the track to motivate the pills along the track; and

a lift for lifting the hopper to adjustably increase a gap between the track and the hopper when pills bridge up and stop moving along the track.

15. A pill-dispensing apparatus for automatically dispensing solid pills, comprising:

a frame with storage locations;

a plurality of storage units movably stored in respective ones of the storage locations, the storage units being adapted to hold pills in bulk, the storage units having a depth and being arranged in first and second vertical parallel planes with a space therebetween at least as deep as the depth of the storage units, the storage units each having a track associated therewith;

an x-y-z direction retriever module operably mounted on the frame for movement in the space, the retriever module including a carrier adapted to carry a selected one of the storage units, the retriever further including first, second and third actuators operable to move the retriever in x, y, and z orthogonal directions, respectively, and further including a coupler operable to grip the selected one storage unit as the selected one storage unit is pulled from its respective storage location onto the carrier;

a pill-dispensing module on the frame, including a dock for receiving and holding the selected one of the storage units and a pill-dispensing mechanism for dispensing pills from the selected one storage unit, the pill-dispensing mechanism including a vibrator with first and second nodes that engage the track at spaced apart locations for vibrating portions of the track with dissimilar vibration patterns; and

a controller for controlling the first, second, and third actuators, the gripper, and the pill-dispensing mechanism.

16. A pill-dispensing apparatus for automatically dispensing solid pills, comprising:

a hopper;

a track positioned at a bottom of the hopper;

one of the hopper and the track being supported for movement toward and away from the other of the hopper and the track to vary a gap between the hopper and the track to control pill flow from the hopper; and

an oscillator including first and second nodes engaging the track for vibrating different portions of the track with separately-generated vibrations to motivate the pills along the track.

17. The pill-dispensing apparatus for automatically dispensing solid pills defined in claim 16, wherein:

the first and second nodes are oriented at dissimilar angles for vibrating different portions of the track with vibrations at dissimilar angles to motivate the pills along the track.

18. The pill-dispensing apparatus for automatically dispensing solid pills defined in claim 17, wherein the separately-generated vibrations are at different frequencies.

19. The pill-dispensing apparatus for automatically dispensing solid pills defined in claim 16, wherein the first and second nodes vibrate with the same frequency to motivate the pills along the track.

20. The pill-dispensing apparatus for automatically dispensing solid pills as defined in claim 16, wherein the oscillator frequency may be adjusted within a range to motivate the pills along the track at different rates.