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U.K. Hospital Pilots RFID for Bed and Hoist Tracking

Heart of England NHS Trust is using active RFID tags and readers from Harland Simon at one of its three hospitals to determine how well the technology helps manage the facility's 2,000 beds and hoists, to ensure they can be found, inspected and maintained in a timely manner.
By Claire Swedberg

Harland Simon RFID tags, manufactured for Harland Simon by a third-party manufacturer, are set to transmit a unique identifier every 20 seconds. At that transmission rate, a tag's coin cell battery typically lasts for about 20 months.

When applying a tag to a bed or hoist, hospital personnel first use a PDA with a built-in bar-code scanner to read a bar-coded serial number printed on a label attached to the bed or hoist itself, and then the bar-coded serial number on the front of the RFID tag, which is the same number as the one transmitted by the tag. The tag and bed (or hoist) ID numbers are thereby stored in the Discovery software and forwarded to the facilities-management system. Employees can input the maintenance date for a particular item so that users can be alerted in advance when that object is again due for maintenance or servicing.

The three facilities currently have a total of 50 Harland Simon readers installed, 17 of which are being used at Good Hope. (The devices are also custom-made by a third party for Harland Simon.) These readers include those in use for the clinical engineering department's mobile-device tracking system, as well as others added to provide further granularity of bed location. The trust plans to install additional readers as needed.

Typically, readers capture a tag's ID at a distance up to 20 meters (65.6 feet). As the Discovery software receives data from the readers, it can approximate the location of that bed or hoist and then display that location on a dashboard that includes a map of the facility and an icon representing each tagged hoist or bed. In this way, the hospital staff can utilize the solution to identify where beds and hoists are located when engineers conduct inspections and any necessary maintenance. The software can also be used to determine when there are too many accumulating in one area, or not enough in another.

Additionally, the PDA comes with a Bluetooth-enabled handheld reader that the estates department staff can carry around the hospital to locate specific items or collect inventory data. Users can simply select the location at which they seek to read tags from a drop-down menu, and the Discovery software will display the items whose tags are being interrogated, as well as indicate whether the signal strength is high (meaning the device is within 5 meters of the reader), moderate or low (meaning it is more than 10 meters from the device).

The hospital is still in the process of tagging beds, Smith says, and not all readers are yet in place, so the solution is being tested initially with handhelds on tagged beds or hoists. To date, he reports, the system is providing the data he was hoping to attain. In September 2015, Smith expects the pilot to be completed, at which time his department plans to assess the results and make plans for a rollout to all three hospitals. That rollout would be expected to occur in 2016. In addition, Smith says, he is investigating the system's use in tracking other things, such as keys used to unlock doors and cabinets, as well as wheelchairs and stretchers.

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