IP Library Granted Patent US 12700510
Granted Patent B2
US 12700510 · App. 18/625,657 · Granted Aug 4, 2026

System and method for improving patient treatment

Inventors: Hao Howard Zhang (Potomac, MD); William Porter Bame (Hampstead, MD); Enhao Liu (Hanover, MD); Colleen Michelle Ennett (Eldersburg, MD); Warren Dean D'Souza (Towson, MD)
Assignee: UNIVERSITY OF MARYLAND MEDICAL SYSTEM
G16H50/70G16H10/60
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Quick Facts
Patent No.
US 12700510
App. No.
18/625,657
Granted
Aug 4, 2026
Kind
B2
Abstract

Examples of the disclosure include a method of operating a patient-discharge-optimization system to improve medical outcomes, the method comprising: accessing, from memory and/or storage, historical patient flow information including a plurality of timestamped events for each of a plurality of patients; converting, by the discharge-optimization system, the historical patient flow information into standardized flow information having a standardized format defined by a plurality of standardized parameters; generating, by the discharge-optimization system, a plurality of models, each model indicating an effect of modifying at least one parameter of the standardized parameters for each of the patients; deriving, by the discharge-optimization system and based on the models, an optimal discharge histogram for one or more days; forecasting, based on the historical patient flow information, an anticipated future number of discharges for the day(s); deriving an optimal patient discharge timetable for the day(s); and providing the optimal patient discharge timetable to users.

Claims (52)

1 . A method of operating a patient-discharge-optimization system to improve medical outcomes, the method comprising:

accessing, from memory and/or storage, historical patient flow information including a plurality of timestamped events for each patient of a plurality of patients;

converting, by the discharge-optimization system, the historical patient flow information into standardized flow information having a standardized format defined by a plurality of standardized parameters;

generating, by the discharge-optimization system, a plurality of models, each model indicating an effect of modifying at least one parameter of the plurality of standardized parameters for each patient of the plurality of patients;

deriving, by the discharge-optimization system and based on the plurality of models, an optimal discharge histogram for one or more days;

forecasting, based on the historical patient flow information, an anticipated future number of discharges for the one or more days;

deriving an optimal patient discharge timetable for the one or more days based on the optimal discharge histogram and the anticipated future number of discharges, the optimal patient discharge timetable being indicative of an optimal number of patients to discharge on each of the one or more days;

transmitting the optimal patient discharge timetable over a computer network to one or more users in real-time;

receiving deviation information indicative of a deviation from the optimal patient discharge timetable;

automatically updating the optimal patient discharge timetable based on the deviation from the optimal patient discharge timetable responsive to receiving the deviation information; and

transmitting a message indicative of updating the optimal patient discharge timetable to the one or more users over the computer network in real-time so that each user of the one or more users has immediate access to up-to-date patient information.

2 . The method of claim 1 , wherein the historical patient flow information is stored in the memory and/or storage in a non-standardized format.

3 . The method of claim 2 , further comprising storing, by the discharge-optimization system after converting the non-standardized historical patient flow information into the standardized flow information, the standardized flow information in the standardized format in the memory and/or storage.

4 . The method of claim 1 , wherein deriving the optimal patient discharge timetable includes determining, for each day of the one or more days, a number of patients to be discharged on each day and a respective window of time for each patient during which to discharge the respective patient.

5 . The method of claim 1 , wherein the optimal discharge histogram indicates an optimal relative frequency to discharge patients for each window of time of a plurality of windows of time within a day.

6 . The method of claim 1 , wherein deriving the optimal patient discharge timetable for the one or more days includes deriving, for each hospital unit in a hospital including a plurality of units, a respective optimal patient discharge timetable for each day of the next week.

7 . At least one non-transitory computer-readable medium storing thereon sequences of computer-executable instructions for operating a discharge-optimization system, the sequences of computer-executable instructions including instructions that instruct at least one processor to:

access historical patient flow information including a plurality of timestamped events for each patient of a plurality of patients;

convert the historical patient flow information into standardized flow information having a standardized format defined by a plurality of standardized parameters;

generate a plurality of models, each model indicating an effect of modifying at least one parameter of the plurality of standardized parameters for each patient of the plurality of patients;

derive, based on the plurality of models, an optimal discharge histogram for one or more days;

forecast, based on the historical patient flow information, an anticipated future number of discharges for the one or more days;

derive an optimal patient discharge timetable for the one or more days based on the optimal discharge histogram and the anticipated future number of discharges, the optimal patient discharge timetable being indicative of an optimal number of patients to discharge on each of the one or more days;

transmit the optimal patient discharge timetable over a computer network to one or more users in real-time;

receive deviation information indicative of a deviation from the optimal patient discharge timetable;

automatically update the optimal patient discharge timetable based on the deviation from the optimal patient discharge timetable responsive to receiving the deviation information; and

transmit a message indicative of updating the optimal patient discharge timetable to the one or more users over the computer network in real-time so that each user of the one or more users has immediate access to up-to-date patient information.

8 . The at least one non-transitory computer-readable medium of claim 7 , wherein the historical patient flow information is stored in a non-standardized format.

9 . The at least one non-transitory computer-readable medium of claim 8 , wherein the instructions further instruct the at least one processor to store, after converting the non-standardized historical patient flow information into the standardized flow information, the standardized flow information in the standardized format in memory and/or storage.

10 . The at least one non-transitory computer-readable medium of claim 7 , wherein deriving the optimal patient discharge timetable includes determining, for each day of the one or more days, a number of patients to be discharged on each day and a respective window of time for each patient during which to discharge the respective patient.

11 . The at least one non-transitory computer-readable medium of claim 7 , wherein the optimal discharge histogram indicates an optimal relative frequency to discharge patients for each window of time of a plurality of windows of time within a day.

12 . The at least one non-transitory computer-readable medium of claim 7 , wherein deriving the optimal patient discharge timetable for the one or more days includes deriving, for each hospital unit in a hospital including a plurality of units, a respective optimal patient discharge timetable for each day of the next week.

13 . A discharge-optimization system comprising:

at least one graphical user interface; and

at least one controller configured to:

access historical patient flow information including a plurality of timestamped events for each patient of a plurality of patients;

convert the historical patient flow information into standardized flow information having a standardized format defined by a plurality of standardized parameters;

generate a plurality of models, each model indicating an effect of modifying at least one parameter of the plurality of standardized parameters for each patient of the plurality of patients;

derive, based on the plurality of models, an optimal discharge histogram for one or more days;

forecast, based on the historical patient flow information, an anticipated future number of discharges for the one or more days;

derive an optimal patient discharge timetable for the one or more days based on the optimal discharge histogram and the anticipated future number of discharges, the optimal patient discharge timetable being indicative of an optimal number of patients to discharge on each of the one or more days;

control the at least one graphical user interface to display the optimal patient discharge timetable to one or more users;

receive deviation information indicative of a deviation from the optimal patient discharge timetable;

automatically updating, in real-time, the graphical user interface based on the deviation from the optimal patient discharge timetable; and

transmitting a message indicative of updating the graphical user interface to the one or more users over a computer network in real-time so that each user of the one or more users has immediate access to up-to-date patient information.

14 . The system of claim 13 , wherein the historical patient flow information is stored in a non-standardized format.

15 . The method of claim 1 , wherein the deviation information includes time information indicative of a current time.

16 . The method of claim 1 , wherein the deviation information includes discharge information indicative of a number of discharges.

17 . The at least one non-transitory computer-readable medium of claim 7 , wherein the deviation information includes time information indicative of a current time.

18 . The at least one non-transitory computer-readable medium of claim 7 , wherein the deviation information includes discharge information indicative of a number of discharges.

19 . The discharge-optimization system of claim 13 , wherein the deviation information includes time information indicative of a current time.

20 . The discharge-optimization system of claim 13 , wherein the deviation information includes discharge information indicative of a number of discharges.