Product dispensing system and associated method

• US 9,932,176 B2
• Filed: 05/08/2012
• Issued: 04/03/2018
• Est. Priority Date: 12/05/2008
• Status: Active Grant

• Current Assignee: Remedi Technology Holdings, LLC
• Original Assignee: Remedi Technology Holdings, LLC
• Inventors: Hawkes, Kimberly, Fisher, Christopher J., Clark, Justin J., Snodgrass, Richard W., Hoenig, Steven D., Hayes, Thomas P., Gerdeman, Roger J., Culbertson, Wyatt, Schneider, Steven E.
• Primary Examiner(s): Waggoner, Timothy R
• Application Number:
  US13/466,812
• Publication Number:
  US 20130173052A1
• Time in Patent Office: 2,156 Days
• Field of Search: 221124, 221126, 221133
• CPC Class Codes: B65G 1/0471 with access from beneath
• CPC Class Codes: B65G 1/06 with means for presenting articles for removal at predetermined position or level B65G1/12 takes precedence
• CPC Class Codes: B65G 1/137 with arrangements or automatic control means for selecting which articles are to be removed
• CPC Class Codes: B65G 1/1376 the orders being assembled on a commissioning conveyor
• CPC Class Codes: B65G 47/91 incorporating pneumatic, e.g. suction, grippers
• CPC Class Codes: B65G 59/062 by means of reciprocating or oscillating escapement-like mechanisms
• CPC Class Codes: G06F 17/00 Digital computing or data processing equipment or methods, specially adapted for specific functions information retrieval, database structures or file system structures therefor G06F16/00
• 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

A dispensing system, apparatus and associated method for dispensing individually packaged products includes maintaining positive physical control of the individual packages throughout the apparatus and may include different storage and dispensers for products having different frequencies of use as well as buffering of products. The system, apparatus and method described herein may be particularly useful for dispensing pharmaceutical products such as solid medications and nutritional supplements to be taken orally in health care settings, including but not limited to long term care (LTC) and assisted living settings.

Claims

1. An automation apparatus for dispensing individually packaged products, the apparatus comprising:

a storage arrangement adapted to store a plurality of products each contained in an individual package, wherein the storage arrangement comprises a first and a second module, wherein the first module is adapted to store high demand products having a first frequency demand meeting a first threshold and the second module is adapted to store lower demand products having a second frequency demand meeting a second threshold that is lower than the first threshold;

a first discharge assembly adapted to move selected ones of the individual packages from the first module of the storage arrangement while maintaining positive physical control, during the selection of each of the selected individual packages, wherein the first discharge assembly operates multiple times per conveyor index;

a second discharge assembly being of a different type than the first discharge assembly, the second discharge assembly adapted to move selected ones of the individual packages from the second module of the storage arrangement while maintaining positive physical control, during the selection of each of the selected individual packages, wherein the second discharge assembly pre-processes the selected ones of the individual packages;

a transfer station adapted to receive and hold the individual packages selected from the second discharge assembly while maintaining positive physical control, during the transfer to the transfer station, of each of the selected individual packages;

a conveyor adapted to receive the selected individual packages from the first discharge assembly and the transfer station while maintaining positive physical control, during the transfer to the conveyor, of each of the selected individual packages.

2. The apparatus of claim 1 further comprising:

a sensor to inspect the individual packages; and

a control device to verify that the individual packages are correct.

3. The apparatus of claim 2 wherein the sensor is provided to the first and second discharge assemblies.

4. The apparatus of claim 1 wherein the storage arrangement further comprises:

a plurality of storage tubes each adapted to contain a plurality of one type of product in individual packages.

5. The apparatus of claim 4 wherein the storage tubes of the first module are arranged in a generally linear array and oriented generally perpendicularly relative to a direction of travel of the conveyor and the storage tubes of the second module are arranged in a two-dimensional array and oriented obliquely relative to the conveyor direction of travel.

6. The apparatus of claim 5 wherein the discharge assembly further comprises:

a pick device moveable relative to the storage tubes of the second module to move selected individual packages from any of the storage tubes in the second module.

7. The apparatus of claim 1 wherein the conveyor further comprises:

a plurality of carriers each fixedly mounted relative to each other and movable along a conveyor path, each carrier being adapted to receive a plurality of the individual packages and maintain positive physical control of each individual package received.

8. The apparatus of claim 1 wherein the discharge assembly further comprises:

a pick device having at least one gripper movable from a first position for engaging and picking an individual package to at least a second position;

a transfer nest proximate the gripper, the transfer nest including at least one slot for receiving one or more individual packages from the gripper, the transfer nest movable from a first position wherein the individual package can be received in the slot from the gripper, to a second position for delivering the individual package to the conveyor; and

an actuator cooperating with the transfer nest to move the individual package from the transfer nest to the conveyor.

9. The apparatus of claim 8 wherein the transfer station is adapted to hold the individual package delivered from the transfer nest prior to delivery toward the conveyor.

10. The apparatus of claim 1 wherein the conveyor is further adapted to allow for fully unloading a filled order made up of the individual packages at a predetermined location.

11. The apparatus of claim 1, further comprising:

a sensor to inspect the individual packages; and

a control device to verify that the individual packages are correct,

wherein the control device is a Field Equipment Controller.

12. An automation apparatus for dispensing individually packaged products, the apparatus comprising:

a first and a second storage module each adapted to store a plurality of products each contained in an individual package, wherein the first module is adapted to store high demand products having a first frequency demand meeting a first threshold and the second module is adapted to store lower demand products having a second frequency demand meeting a second threshold that is lower than the first threshold;

a first discharge assembly adapted to move selected ones of the individual packages from the first module of the storage arrangement while maintaining positive physical control, during the selection of each of the selected individual packages wherein the first discharge assembly operates multiple times per conveyor index;

a second discharge assembly, being of a different type than the first discharge assembly, the second discharge assembly adapted to move selected ones of the individual packages from the second module of the storage arrangement while maintaining positive physical control, during the selection of each of the selected individual packages, wherein the second discharge assembly pre-processes the selected ones of the individual packages;

a transfer station adapted to receive and hold the individual packages selected from the second discharge assembly while maintaining positive physical control during the transfer to the transfer station, of each of the selected individual packages,

a conveyor moving along a conveyor path and adapted to transfer the selected individual packages from the first discharge assembly and the transfer station to a designated space on the conveyor, while maintaining positive physical control, during the transfer to the conveyor, of each of the selected individual packages; and

a plurality of buffer repositories in which individual packages are stored in advance of their being assembled.

13. The apparatus of claim 12 wherein a first buffer repository is provided via a spacing between the first and second storage modules thereby allowing a first set of individual packages from the first storage module to be discharged onto the conveyor at the designated space in advance of a second set of individual packages from the second storage module being discharged onto the conveyor at the designated space.

14. The apparatus of claim 13 wherein a second buffer repository comprises:

a transfer nest associated with the second storage module and adapted to hold individual packages retrieved from the second storage module in advance of their placement on the conveyor at the designated space.

15. The apparatus of claim 14 wherein a third buffer repository comprises:

the transfer station associated with the second storage module and adapted to receive individual packages from the transfer nest prior to their placement on the conveyor at the designated space.

16. A method of dispensing a selection of individually packaged products selected from a plurality of different individual packages, the method comprising:

assigning a designated space on a conveyor for receiving the selection of individually packaged products;

moving the designated space on the conveyor along a conveyor path past a first and a second storage module, wherein the first module is adapted to store high demand products having a first frequency demand meeting a first threshold and the second module is adapted to store lower demand products having a second frequency demand meeting a second threshold that is lower than the first threshold;

retrieving a first subset of the selection of individually packaged products from the first storage module and a second subset of the selection of individually packaged products from the second storage module;

moving the retrieved first subset of the selection of individually packaged products via a first discharge assembly, wherein the first discharge assembly operates multiple times per conveyor index;

moving the retrieved second subset of the selection of individually packaged products via a second discharge assembly, wherein the second discharge assembly is a different type than the first discharge assembly, and the second discharge assembly pre-processes the selected ones of the individual packages;

placing the retrieved first subset of the selection of individually packaged products on the conveyor at the designated space;

buffering the retrieved second subset of the selection of individually packaged products while the designated space on the conveyor approaches a location of the retrieved second subset of the selection of individually packaged products;

placing the retrieved second subset of the selection of individually packaged products in a transfer station and holding the selection of individually packaged products at the transfer station prior to transferring the selection of individually packaged products to the conveyor; and

placing the retrieved second subset of the selection of individually packaged products on the conveyor at the designated space, wherein positive physical control is maintained for each selection of individually packaged products during the retrieving, moving, buffering and placing of the retrieved first and second subsets of individually packaged products.

17. The method of claim 16 further comprising:

inspecting and verifying the individually packaged products during retrieval.