DCM4MD:Project Use Cases

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:: May 2011 Use Cases ::

The following use cases have been identified to be in scope for the May 2011 ballot of the DCM for Medical Devices Project. The focus of this ballot will constitute DCMs that are required to support

1. patient-to-device association in order to assign the data produced by the device to appropriate patient for charting and,
2. time consistency across information systems and devices.

Associate the Medical Device with a Patient by Location

This use case is currently implemented by most legacy devices in critical and acute care environments. These legacy devices do not have the ability to record the patient's medical number or receive patient demographics from hospital information systems.

Actors

• Medical Device
• Device Manager
• Operator

Pre-Conditions

• The patient is associated with a specific bed/location and the location is tracked by a hospital system. This use case applies only to specific

inpatient and ambulatory settings.

• The device is associated with a specific bed/location and it is not moved from that location untils its location is recorded in an information system.

Main Scenario

The patient is placed at a specific location/bed and the medical devices are used to monitor specific physiological parameters or deliver specific therapies. The information produced by the device reports the location where the device was placed.

Alternate Scenario

Instead of the device, the Device Manager or concentrator is associated with the patient location. The information system - uses the informaiton reported by the device or the configure configuration reported by the device manager along with the known location of the patient to infer whose data/results/therapy needs to be recorded.

Associate the Medical Device with a Patient by Identifier and Point-of-Care

Actors

• Medical Device
• Device Manager
• Operator

Pre-Conditions

• The device is able of recording the patient's identity

Main Scenario

The operator scans or enters the patient's identity into the device using its user interface, bar code reader, etc.

Post-Conditions

When the device is no longer acquiring data for the patient, the association with the medical device is broken.

Associate the Medical Device with a Patient by Selecting Patient on Device

Actors

• Medical Device
• Device Manager
• Operator

Pre-Conditions

• The device or its device manager is tracking

Associate the Medical Device with a Patient by Identifier

Actors

• Medical Device
• Device Manager
• Operator