Waste sorting system for rendering drugs non-recoverable

• US 7,533,029 B2
• Filed: 07/12/2007
• Issued: 05/12/2009
• Est. Priority Date: 09/19/2003
• Status: Active Grant

• Current Assignee: Carefusion 303 Incorporated (Becton, Dickinson & Co)
• Original Assignee: Vesta Medical LLC (Becton, Dickinson & Co)
• Inventors: Mallett, Scott R., Davidner, Alan A., Danta, Randall C., Corey, Alan D., Regla, Peter
• Primary Examiner(s): Weiss; John G.
• Assistant Examiner(s): Brooks; Matthew L.
• Application Number:
  US11/777,190
• Publication Number:
  US 20080015899A1
• Time in Patent Office: 670 Days
• Field of Search: 209583-930, 600/604, 607/2, 206366-370, 705 1- 2, 220/346, 340/572.1
• US Class Current: 705/308
• CPC Class Codes: A61B 2017/00398 using powered actuators, e.g. stepper motors, solenoids
• CPC Class Codes: A61B 2050/0059 parallel to the lid plane
• CPC Class Codes: A61B 2050/006 perpendicular to the lid plane, e.g. by a downward movement
• CPC Class Codes: A61B 2050/185 Drawers
• CPC Class Codes: A61B 2090/0805 automatically, e.g. by means of magnetic, optical or photoelectric detectors
• CPC Class Codes: A61B 50/10 Furniture specially adapted for surgical or diagnostic appliances or instruments
• CPC Class Codes: A61B 50/13 Trolleys, e.g. carts
• CPC Class Codes: A61B 50/15 Mayo stands; Tables
• CPC Class Codes: A61B 50/18 Cupboards; Drawers therefor
• CPC Class Codes: A61B 50/36 for collecting or disposing of used articles
• CPC Class Codes: A61B 90/06 Measuring instruments not otherwise provided for
• CPC Class Codes: A61B 90/37 Surgical systems with images on a monitor during operation
• CPC Class Codes: A61B 90/98 using electromagnetic means, e.g. transponders
• CPC Class Codes: B07C 5/3412 according to a code applied to the object which indicates a property of the object, e.g. quality class, contents or incorrect indication sorting according to size measured by light-responsive means B07C5/10; sorting according to optical properties B07C5/342; for packages B65D79/02; for information carriers G06K7/00
• CPC Class Codes: B07C 7/005 Computer assisted manual sorting, e.g. for mail
• CPC Class Codes: G01G 21/28 Frames, Housings
• CPC Class Codes: G01G 23/3735 using a digital network
• CPC Class Codes: G06Q 10/30 Administration of product recycling or disposal
• CPC Class Codes: G06Q 30/018 Certifying business or products
• CPC Class Codes: G06Q 40/08 Insurance
• CPC Class Codes: G16H 40/20 : for the management or administration of healthcare resources or facilities, e.g. managing hospital staff or surgery rooms
• CPC Class Codes: G16H 40/63 : for local operation
• CPC Class Codes: Y02W 90/00 : Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
• CPC Class Codes: Y10S 209/93 : Municipal solid waste sorting

Abstract

A system for disposing of medical waste is generally configured to sort waste items into a plurality of disposable containers according to applicable rules and regulations governing the handling and/or disposal of such items. In some embodiments, a system comprises sorting stations, each of which houses a number of disposable containers. Each station can identify an item of waste, determine the most appropriate container for the item, and facilitate disposal of the item in the appropriate container.

Claims

1. A sorting system for sorting medical waste items, comprising:

a station comprising at least two container compartments;

at least a first and second removable container and at least one removable receptacle received by said station, each container having an internal volume of about 1 gallon to about 20 gallons and configured to be placed within at least a first and second container compartment within said station,

wherein each of the first and second containers and the receptacle is associated with at least one of a plurality of different waste categories;

wherein the receptacle is configured to receive at least a first category of medical waste items to be rendered non-recoverable after disposal;

wherein the containers are configured to receive multiple additional categories of medical waste items different from the first category;

a scanner configured to determine a barcode placed on or associated with a medical waste item;

a control system that compares information obtained from the barcode with waste item classification information from a database and assigns the medical waste item to at least one waste category;

the control system configured to indicate the container or receptacle for receiving the waste item associated with the waste category based on the barcode by automatically opening one of the containers or instructing a user to dispose of the waste item in the receptacle depending on the waste category based on the barcode;

each container comprising a machine-readable identification key associated with at least one of said waste categories such that the machine-readable identification key indicates to the control system the waste category of the waste item to be disposed into the container;

at least one key reader within the sorting system that reads the machine-readable identification key associated with the container to determine the waste category of the container;

the containers configured to automatically lock when a waste item has been disposed in said containers; and

the receptacle configured to accept both solid and liquid forms of said waste items and comprising a solidifying agent to solidify said liquid forms.

2. The sorting system of claim 1, further comprising a sensor or a scale to determine a fill level of the container or the receptacle.

3. The sorting system of claim 2, wherein the control system is configured to alert a user after at least one of the containers or receptacle has reached a pre-set fill level based on information received from the sensor or the scale.

4. The sorting system of claim 1, wherein the system is configured to wirelessly communicate information from the scanner to said control system.

5. The sorting system of claim 1, wherein the receptacle is configured for detachment and placement on a wheeled cart.

6. The sorting system of claim 1, further comprising a manual input system for manually entering information regarding the identification of the medical waste item.

7. The sorting system of claim 1, wherein at least one of the containers or receptacle comprises an additional second machine-readable key.

8. The sorting system of claim 7, wherein said second machine-readable key is an RFID tag comprising information describing the contents of the container or receptacle.

9. The sorting system of claim 7, wherein at least one of the containers or receptacle comprises a label.

10. The sorting system of claim 1, further comprising a printer to print a manifest describing the contents of the container or receptacle.

11. The sorting system of claim 1, wherein at least one of the containers or receptacle comprises a viewing window to allow visual verification of a fill level while the containers are in the sorting system or the receptacle is coupled to the sorting system.

12. The sorting system of claim 1, further comprising an absorbent placed within the receptacle to absorb at least a portion of the liquid forms of the waste items.

13. The sorting system of claim 1, further comprising a substance placed within the receptacle to chemically react at least one of the waste items disposed in the receptacle.

14. The sorting system of claim 1, wherein the receptacle comprises a narrow aperture that minimizes spillage of or tampering with the waste items disposed in the receptacle.

15. A sorting system for sorting medical waste items, comprising:

a station comprising at least two container compartments;

at least a first and second removable container and at least one removable receptacle received by said station, each container having an internal volume of about 1 gallon to about 20 gallons and configured to be placed within at least a first and second container compartment within said station,

wherein each of the first and second containers and the receptacle is associated with at least one of a plurality of different waste categories different from the first category;

wherein the receptacle is configured to receive at least a first category of medical waste items to be rendered non-recoverable after disposal;

wherein the containers are configured to receive multiple additional categories of medical waste items;

an input device configured to receive barcode information placed on or associated with a medical waste item;

a control system that compares information obtained from the barcode with waste item classification information from a database and assigns the medical waste item to at least one waste category;

the control system configured to indicate the container or receptacle for receiving the waste item associated with the waste category based on the barcode by automatically opening one of the containers or instructing a user to dispose of the waste item in the receptacle depending on the waste category based on the barcode;

each container comprising a machine-readable identification key associated with at least one of said waste categories such that the machine-readable identification key indicates to the control system the waste category of the waste item to be disposed into the container;

at least one key reader within the sorting system that reads the machine-readable identification key associated with the container to determine the waste category of the container;

the containers configured to automatically lock when a waste item has been disposed in said containers; and

the receptacle configured to accept both solid and liquid forms of said waste items and an absorbent to absorb said liquid forms.

16. The sorting system of claim 15, further comprising a sensor or a scale to determine a fill level of the container or the receptacle.

17. The sorting system of claim 16, wherein the control system is configured to alert a user after at least one of the containers or receptacle has reached a pre-set fill level based on information received from the sensor or the scale.

18. The sorting system of claim 15, wherein the system is configured to wirelessly communicate information from the scanner to said control system.

19. The sorting system of claim 15, wherein the receptacle is configured for detachment and placement on a wheeled cart.

20. The sorting system of claim 15, further comprising a manual input system for manually entering information regarding the identification of the medical waste item.

21. The sorting system of claim 15, wherein at least one of the containers or receptacle comprises an additional second machine-readable key.

22. The sorting system of claim 21, wherein said second machine-readable key is an RFID tag comprising information describing the contents of the container or receptacle.

23. The sorting system of claim 21, wherein at least one of the containers or receptacle comprises a label.

24. The sorting system of claim 15, further comprising a printer to print a manifest describing the contents of the container or receptacle.

25. The sorting system of claim 15, wherein at least one of the containers or receptacle comprises a viewing window to allow visual verification of a fill level while the containers are in the sorting system or the receptacle is coupled to the sorting system.

26. The sorting system of claim 15, further comprising an absorbent placed within the receptacle to absorb at least a portion of the liquid forms of the waste items.

27. The sorting system of claim 15, further comprising a substance placed within the receptacle to chemically react at least one of the waste items disposed in the receptacle.

28. The sorting system of claim 15, wherein the receptacle comprises a narrow aperture that minimizes spillage of or tampering with the waste items disposed in the receptacle.