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Southeast Alabama Medical Center Expands RFID Deployment
The 370-bed hospital says the deployment of Wi-Fi-based asset and temperature tags from Ekahau has made the facility more efficient.
Oct 20, 2009—After carrying out a pilot deployment of an RFID real-time location system (RTLS) consisting of 1,000 tags attached to assets, as well as five tags with sensor probes installed within refrigerators and freezers, the Southeast Alabama Medical Center (SAMC) has found that the system reduces labor hours spent by staff members trying to locate equipment and monitor storage conditions of temperature-sensitive materials. As a result, the 370-bed facility, located in Dothan, Ala., has ordered 75 additional temperature tags, and plans to at least double its asset-tag deployment. The system was provided by Finnish RTLS company Ekahau.
Approximately six years ago, recalls Scott Lapham, the medical center's senior network engineer, the nursing department first went to the hospital's management and requested an automated tracking system that might help the staff reduce the time spent searching for mobile devices. Lapham says he was interested in how RFID could be employed with the facility's existing Cisco Wi-Fi network—used for staff telephones and other devices, including laptop computers—but felt RFID technology was not yet fully developed. He asked for more time to watch the technology mature through additional installations and development of the hardware and software. In the meantime, the hospital focused on its Wi-Fi network, installing 500 access points in the million-square-foot building, to ensure it would be able to support an RFID system.
SAMC launched the deployment in 2008, by having Ekahau install its software solution and provide its T301A RFID tags for the hospital's most critical assets. The hospital wanted to start with items that were moved often and either were of high value or frequently took valuable time away from employees who searched the facility for them. "We wanted to start by validating the system," Lapham explains. Each asset was fitted with a tag, which then transmits a signal encoded with a unique ID number. Ekahau's software system provides a map indicating a specific item's location, says Tuomo Rutanen, the firm's senior VP of marketing and business development, based on its tag's unique ID number, or its description. The tags transmit directly to SAMC's Cisco wireless access points, without requiring any changes to the hospital's existing Wi-Fi system.
In the second quarter of 2009, the hospital's management also began considering options for monitoring temperatures within its refrigerators and freezers, in order to ensure that proper conditions are maintained for the storage of its medicines, organs, and blood and tissue samples, as well as food. Like all hospitals, Southeast Medical must comply with the Joint Commission's requirements to track the temperatures of any implantable tissues, in addition to certain medications. The hospital had already been tracking its refrigerator and freezer temperatures at least once daily, using a manual system consisting of having a worker check a thermometer and write the results on a piece of paper. This process, however, was time-consuming. Lapham suggested using Ekahau's Wireless Temperature Monitoring and Management system for the solution, and as a result, Ekahau provided its T301T tags, which are wired to external probes that measure the temperature.
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