IP Library › Granted Patent US 12,249,421
Granted Patent B2
US 12,249,421 · App. 17/728,221 · Granted Mar 11, 2025

Opioid management system

Inventor: Timothy W. Vanderveen (Poway, CA)
Assignee: CareFusion 303, Inc.
G16H40/67G16H20/17G16H40/20A61M5/14A61M2005/14208A61M5/24A61M2205/3553A61M2205/3561A61M2205/50A61M2205/6009A61M2205/6054A61M2205/6072
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Quick Facts
Patent No.
US 12,249,421
App. No.
17/728,221
Granted
Mar 11, 2025
Kind
B2
Abstract

A system may include a data processor and a memory storing instructions. The instructions may result in operations when executed by the data processor. The operations may include determining, based on location data from a positioning system, a presence of a cartridge at a location. The cartridge may include a substance. A quantity of the substance may be determined based on content data from a content meter at the location. Diversion of the substance may be detected based on the cartridge being present at the location and/or the quantity of the substance. Related methods and articles of manufacture, including apparatuses and computer program products, are also disclosed.

Claims (43)

1. A system, comprising:

at least one data processor; and

at least one memory storing instructions which, when executed by the at least one data processor, result in operations comprising:

determining, based on location data from a positioning system, a current location of a cartridge including a substance for a patient;

determining, based at least on an identification information, an identity of an individual taking an action with respect to the cartridge; and

detecting a diversion of the substance in response to determining that at least one of the individual and the action is unauthorized for the cartridge at the current location of the cartridge.

2. The system of claim 1 , wherein the operations further comprise:

receiving, from the positioning system, a current patient location data identifying a current patient location of the patient; and

detecting the diversion of the cartridge further in response to determining a mismatch between the current location of the cartridge and the current location of the patient.

3. The system of claim 1 , wherein the individual is determined to be unauthorized based at least on the individual not being associated with the patient associated with the substance included in the cartridge.

4. The system of claim 1 , wherein the action includes dispensing the substance, administering the substance, or wasting the substance.

5. The system of claim 1 , wherein the action includes checking the cartridge into the current location or checking the cartridge out of the current location.

6. The system of claim 1 , wherein the diversion of the substance is detected in response to determining that the individual is not authorized to perform the action with respect to the cartridge.

7. The system of claim 1 , wherein the operations further comprise:

determining a first quantity of the substance present in the cartridge at the current location of the cartridge; and

detecting the diversion of the substance further in response to detecting a discrepancy between the first quantity of the substance present in the cartridge and a second quantity of the substance expected to be present in the cartridge.

8. The system of claim 7 , wherein the first quantity of the substance present in the cartridge at the current location of the cartridge is determined by at least measuring, by a content meter, a volume of a liquid in the cartridge and/or a concentration of the substance in the liquid.

9. The system of claim 7 , wherein the second quantity of the substance expected to be present in the cartridge corresponds to a quantity of the substance remaining in the cartridge at a previous location of the cartridge.

10. The system of claim 1 , wherein the operations further comprise:

determining an expected travel time between the current location of the cartridge and a previous location of the cartridge; and

detecting the diversion of the substance further in response to determining an above-threshold difference between the expected travel and a travel time between the current location of the cartridge and the previous location of the cartridge.

11. The system of claim 10 , wherein the expected travel time is determined based on an average travel time associated with the individual and/or an average travel time associated with a group of similar individuals.

12. The system of claim 1 , wherein the diversion of the substance is further detected in response to determining that the current location of the cartridge deviates from an expected location of the cartridge.

13. The system of claim 1 , wherein the identification information includes one or more of a biometric data, an identification number, and a password.

14. A computer-implemented method, comprising:

determining, based on location data from a positioning system, a current location of a cartridge including a substance for a patient;

determining, based at least on an identification information, an identity of an individual taking an action with respect to the cartridge; and

detecting a diversion of the substance in response to determining that at least one of the individual and the action is unauthorized for the cartridge at the current location of the cartridge.

15. The method of claim 14 , further comprising:

receiving, from the positioning system, a current patient location data identifying a current patient location of the patient; and

detecting the diversion of the cartridge further in response to determining a mismatch between the current location of the cartridge and the current location of the patient.

16. The method of claim 14 , wherein the individual is determined to be unauthorized based at least on the individual not being associated with the patient associated with the substance included in the cartridge.

17. The method of claim 14 , further comprising:

determining a first quantity of the substance present in the cartridge at the current location of the cartridge; and

detecting the diversion of the substance further in response to detecting a discrepancy between the first quantity of the substance present in the cartridge and a second quantity of the substance expected to be present in the cartridge.

18. The method of claim 14 , further comprising:

determining an expected travel time between the current location of the cartridge and a previous location of the cartridge; and

detecting the diversion of the substance further in response to determining an above-threshold difference between the expected travel and a travel time between the current location of the cartridge and the previous location of the cartridge.

19. The method of claim 14 , wherein the diversion of the substance is further detected in response to determining that the current location of the cartridge deviates from an expected location of the cartridge.

20. A non-transitory computer readable medium storing instructions, which when executed by at least one data processor, result in operations comprising:

determining, based on location data from a positioning system, a current location of a cartridge including a substance for a patient;

determining, based at least on an identification information, an identity of an individual taking an action with respect to the cartridge; and

detecting a diversion of the substance in response to determining that at least one of the individual and the action is unauthorized for the cartridge at the current location of the cartridge.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 25, 2022
From: VANDERVEEN, TIMOTHY W.
To: CAREFUSION 303, INC.
Reel/Frame 059699/0006 →
Continuity (3)
Continuation 16695033 · Nov 25, 2019
Continuation 15626045 · Jun 16, 2017
Related Publication 20220246295A1 · Aug 4, 2022
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