Method and apparatus for coordinating concurrent updates to a me

Details Method and apparatus for coordinating concurrent updates to a me Method and apparatus for coordinating concurrent updates to a me

1994-04-15

1996-08-13

Black, Thomas G.

G06F 1730

Patent

active

055465803

ABSTRACT:
A method for coordinating updates to a medical database in a medical information system permits concurrent charting from different workstations and medical instruments. A first data value for a record is entered at a first workstation and a second data value for the record is entered at a second workstation without locking either workstation during data entry. The new data values are stored in the medical database after completion of data entry at each workstation, and a correction history is recorded. The correction history contains information as to the update of the record with the first data value and the second data value. The record is updated with the first and second data values without aborting user activities or notifying a user that an update conflict has occurred. After the new data values are stored in the medical database, all workstations containing a copy of the record are updated to reflect the current state of the record.

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Korth & Silberschatz, Database System Concepts 2/e Mc-Graw-Hill, Inc., 1991.
T. A. Andrews et al, "Concurrency Control", Object Magazine, Jul.-Aug. 1993, pp. 39-43.
"HP CareVue 9000 Architecture Considerations", Hewlett-Packard Company Brochure, Sep. 1991, 4 pages.
"HP CareVue 9000 Clinical Information System", Hewlett-Packard Company Product Guide, Sep. 1993.

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