System for sensing and recording information regarding medical items in a medical facility

• US 10,152,688 B2
• Filed: 12/31/2014
• Issued: 12/11/2018
• Est. Priority Date: 05/15/2014
• Status: Active Grant

• Current Assignee: Deroyal Industries Incorporated
• Original Assignee: Deroyal Industries Incorporated
• Inventors: DeBusk, Brian C., Kaylor, Mary E., Griffith, Gerald T., Waggoner, Timothy J., Griffith, Jeffrey D., Sewell, Angela M., Jacobs, John G., Hurd, Rex A.
• Primary Examiner(s): Le, Linh Giang
• Application Number:
  US14/587,424
• Publication Number:
  US 20150332209A1
• Time in Patent Office: 1,441 Days
• CPC Class Codes: G06K 19/07758 arrangements for adhering the record carrier to further objects or living beings, functioning as an identification tag
• CPC Class Codes: G06K 7/10316 using at least one antenna particularly designed for interrogating the wireless record carriers antennas in general H01Q1/22
• CPC Class Codes: G06Q 10/087 Inventory or stock management, e.g. order filling, procurement or balancing against orders
• CPC Class Codes: G06Q 10/0875 Itemisation or classification of parts, supplies or services, e.g. bill of materials
• CPC Class Codes: G06Q 10/10 Office automation; Time management
• 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: G16Z 99/00 Subject matter not provided for in other main groups of this subclass

Abstract

An apparatus tracks medical items through various transition points in a medical facility and maintains a chain of custody for each item through each transition point, indicating who is responsible for each item at any particular time. The apparatus also generates messages directed to various medical facility personnel who are responsible for the medical items at the various transition points, which messages prompt the personnel to take appropriate action with regard to the medical items depending on the particular transition point.

Claims

1. An apparatus for tracking custody of medical items in a supply and consumption chain, wherein each medical item has an RFID tag attached thereto that encodes medical item information specific to the medical item, wherein the medical items are initially collected together as a shipment of medical items, and wherein the shipment has a packing list packaged therewith and the packing list has a shipment identifier attached thereto that encodes shipment identification information specific to the shipment, the apparatus comprising:

one or more first reading devices disposed in an area of a medical facility at which the shipment of the medical items is received, the one or more first reading devices for reading the shipment identifier attached to the packing list and decoding the shipment identification information encoded in the shipment identifier, the one or more first reading devices further for reading a first personnel identifier that identifies a person responsible for receiving the shipment of medical items in the area of the medical facility at which the shipment of the medical items is received;

one or more first RFID antennas disposed in a supply room in the medical facility, the one or more first RFID antennas for receiving first radio frequency signals emanated from the RFID tags attached to the medical items in the shipment after the medical items have been brought into the supply room, wherein the first radio frequency signals contain the medical item information encoded in the RFID tags attached to the medical items;

one or more first RFID readers associated with the supply room of the medical facility and electrically connected to the one or more first RFID antennas, the one or more first RFID readers for decoding the medical item information contained in the first radio frequency signals emanated from the RFID tags attached to the medical items;

one or more second reading devices associated with the supply room of the medical facility, the one or more second reading devices for reading at least the shipment identifier attached to the packing list and decoding the shipment identification information encoded in the shipment identifier, the one or more second reading devices further for reading a second personnel identifier that identifies a person responsible for placing the medical items into inventory at the medical facility;

a medical facility inventory computer in electrical communication with the one or more first reading devices, the one or more first RFID readers, and the one or more second reading devices, the medical facility inventory computer programmed to receive the shipment identification information, the medical item information, the first personnel identifier, the second personnel identifier, and a supply room identifier that identifies the supply room into which the medical items are placed into inventory; and

a medical item inventory database in electrical communication with the medical facility inventory computer, the medical item inventory database for associating at least the shipment identification information with the first personnel identifier, the second personnel identifier, and the supply room identifier,

wherein the medical facility inventory computer is programmed to automatically generate one or both of a first message directed to the person identified by the first personnel identifier and a second message directed to the person identified by the second personnel identifier, the generation of the first message triggered by the shipment identification information becoming associated with the first personnel identifier, and the second message triggered by the shipment identification information becoming associated with the second personnel identifier, wherein the first and second messages prompt the person to whom they are directed to take some action with regard to the shipment of medical items.

2. The apparatus of claim 1 wherein the shipment identifier comprises an RFID tag attached to the packing list, and wherein the one or more first reading devices include an RFID reader.

3. The apparatus of claim 1 wherein the one or more second reading device comprise one of the one or more first RFID readers associated with the supply room.

4. The apparatus of claim 1 wherein the medical facility inventory computer is operable to automatically associate the supply room identifier with the medical item information of the medical items in the shipment, wherein the association is triggered by the shipment identifier being read by the one or more second reading devices.

5. The apparatus of claim 1 wherein the medical item inventory database maintains a chain of custody of the medical items in the shipment based on cross-referencing the shipment identification information with the first personnel identifier and the second personnel identifier.

6. The apparatus of claim 1 further comprising:

a supply room portal having;

a portal opening; and

one or more second RFID antennas having fields of view directed to the portal opening, the one or more second RFID antennas for receiving second radio frequency signals emanated from RFID tags attached to medical items that pass through the portal based on the medical items being picked for removal from the supply room to be used in a medical procedure; and

a second RFID reader electrically connected to the one or more second RFID antennas of the supply room portal, the second RFID reader for decoding the medical item information contained in the second radio frequency signals emanated from the RFID tags;

the medical facility inventory computer being programmed to automatically associate a third personnel identifier with the medical item information contained in the second radio frequency signals, wherein the association is triggered by the RFID tags on the medical items in the shipment being detected by the second RFID reader, and wherein the third personnel identifier identifies a person responsible for removal of the medical items from the supply room.

7. The apparatus of claim 6 wherein the medical item inventory database maintains a chain of custody of the medical items in the shipment based on cross-referencing the medical item information contained in the second radio frequency signals with the third personnel identifier.

8. The apparatus of claim 6 wherein the medical facility inventory computer is operable to automatically generate a third message directed to the person responsible for removal of the medical items from the supply room, the generation of the third message triggered by the medical item information contained in the second radio frequency signals becoming associated with the third personnel identifier, wherein the third message prompts the person to whom it is directed to take some action with regard to the medical items that have been removed or are to be removed from the supply room.

9. The apparatus of claim 1 further comprising:

a procedure room portal having;

a portal opening; and

one or more third RFID antennas having fields of view directed to the portal opening, the one or more third RFID antennas for receiving third radio frequency signals emanated from RFID tags attached to medical items that pass through the procedure room portal when the medical items are brought into a medical procedure room to be used in a medical procedure; and

a third RFID reader electrically connected to the one or more third RFID antennas of the procedure room portal, the third RFID reader for decoding the medical item information contained in the third radio frequency signals emanated from the RFID tags;

the medical facility inventory computer being programmed to automatically associate a fourth personnel identifier with the medical item information contained in the third radio frequency signals, wherein the association is triggered by the RFID tags on the medical items in the shipment being detected by the third RFID reader, and wherein the fourth personnel identifier identifies a person responsible for the medical items while the medical items are in the medical procedure room.

10. The apparatus of claim 9 wherein the medical item inventory database maintains a chain of custody of the medical items in the shipment based on cross-referencing the medical item information contained in the third radio frequency signals with the fourth personnel identifier.

11. The apparatus of claim 9 wherein the medical facility inventory computer is operable to automatically generate a fourth message directed to the person responsible for the medical items while the medical items are in the medical procedure room, the generation of the fourth message triggered by the medical item information contained in the third radio frequency signals becoming associated with the fourth personnel identifier, wherein the fourth message prompts the person to whom it is directed to take some action with regard to the medical items brought into the medical procedure room.

12. The apparatus of claim 9 further comprising:

a shielded enclosure disposed in the medical procedure room, the shielded enclosure having an internal space for receiving wrappers of medical items that were used during the medical procedure, the shielded enclosure configured to attenuate radio frequency signals emanated from RFID tags disposed outside the shielded enclosure to levels that are substantially undetectable within the internal space;

one or more fourth RFID antennas disposed within the internal space of the shielded enclosure, the one or more fourth RFID antennas for receiving fourth radio frequency signals emanated from RFID tags attached to the wrappers disposed within the internal space, wherein the fourth radio frequency signals contain the medical item information encoded in the RFID tags;

at least one fourth RFID reader electrically connected to the one or more fourth RFID antennas, the at least one fourth RFID reader for decoding the medical item information contained in the fourth radio frequency signals emanated from the RFID tags attached to the wrappers disposed within the internal space; and

the medical facility inventory computer being programmed to automatically associate a patient identifier with the medical item information contained in the fourth radio frequency signals, wherein the association is triggered by the RFID tags of the medical items in the shipment being detected by the fourth RFID reader, and wherein the patient identifier identifies a patient on which the medical procedure was performed in the medical procedure room.

13. The apparatus of claim 12 wherein the medical item inventory database maintains a chain of custody of the medical items in the shipment based on cross-referencing the medical item information contained in the fourth radio frequency signals with the patient identifier.

14. The apparatus of claim 12, wherein the medical facility inventory computer is programmed to automatically generate a fifth message directed to patient treatment personnel if the medical item information indicates that the medical item is a DME item, the generation of the fifth message triggered by the medical item information contained in the fourth radio frequency signals becoming associated with the patient identifier, wherein the fifth message prompts patient treatment personnel to perform one or more of the following actions:

disclose information to the patient related to the proper use of a DME medical item;

input information to verify delivery of a DME medical item to the patient; and

obtain the patient'"'"'s signature to acknowledge receipt of a DME medical item.

17. The apparatus of claim 1 wherein the first personnel identifier is encoded in an ID badge of the person responsible for receiving the shipment of medical items.

18. The apparatus of claim 1 wherein the second personnel identifier is encoded in an ID badge of the person responsible for placing the medical items into inventory at the medical facility.

15. An apparatus for maintaining an inventory of medical items in a medical facility, wherein each medical item has an RFID tag attached thereto that encodes medical item information specific to the medical item, the apparatus comprising:

a shielded enclosure that defines an internal space for storing the medical items;

one or more RFID antennas disposed within the internal space for receiving radio frequency signals emanated from the RFID tags attached to the medical items, wherein the radio frequency signals contain the medical item information encoded in the RFID tags attached to the medical items;

one or more RFID readers electrically connected to the one or more RFID antennas, the one or more RFID readers for performing scans to detect RFID tags within range of the one or more RFID antennas and decoding the medical item information contained in the radio frequency signals emanated from detected RFID tags;

a computer in electrical communication with the one or more RFID readers, the computer programmed to control the one or more RFID readers to perform a first RFID system calibration procedure involving a known number of RFID tags attached to medical items disposed in the shielded enclosure, the procedure comprising;

(a) performing a scan of the RFID tags with the one or more RFID readers set at a first transmitter power level;

(b) the one or more RFID readers detecting a first number of RFID tags attached to the medical items disposed in the shielded enclosure;

(c) comparing the first number of RFID tags to the known number of RFID tags;

(d) if the first number of RFID tags is less than the known number of RFID tags, performing a scan of the RFID tags with the one or more RFID readers set at a second transmitter power level that is incrementally higher than the first transmitter power level;

(e) repeating steps (b) through (d) until the first number of RFID tags equals the known number of RFID tags; and

(f) operating the one or more RFID readers at the second transmitter power level for ongoing inventory maintenance purposes.

16. The apparatus of claim 15 wherein the computer is programmed to control the one or more RFID readers to perform a second RFID system calibration procedure involving a known number of RFID tags attached to medical items disposed in the shielded enclosure, the procedure comprising:

(a) performing a scan of the RFID tags with the one or more RFID readers set at a first receiver sensitivity level;

(b) the one or more RFID readers detecting a first number of RFID tags attached to the medical items disposed in the shielded enclosure;

(c) comparing the first number of RFID tags to the known number of RFID tags;

(d) if the first number of RFID tags is less than the known number of RFID tags, performing a scan of the RFID tags with the one or more RFID readers set at a second receiver sensitivity level that is incrementally higher than the first receiver sensitivity level;

(e) repeating steps (b) through (d) until the first number of RFID tags equals the known number of RFID tags; and

(f) operating the one or more RFID readers at the second receiver sensitivity level for ongoing inventory maintenance purposes.