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Mission Hospital Improves Equipment Utility Rate
Vixia, a provider of material-management services to health-care organizations, is using a real-time location system to help manage equipment at the California medical facility.
Dec 20, 2010—Vixia North America, a provider of solutions and managed services to insurance companies, financial companies and health-care organizations, is employing a hybrid infrared (IR) and RFID system at Mission Hospital, in Mission Viejo, Calif., to track the location, cleaning and maintenance of its equipment. Following the system's installation at the 552-bed hospital, the equipment utility rate for tagged items rose by 7 percent, Vixia reports, while the rate of lost or stolen devices dropped from 13.8 percent to zero. According to Mike Kohler, Mission Hospital's director of materials management, that amounts to an annual savings of $150,000 to $200,000 worth of equipment that had been lost each year prior to installing the system. In addition, Kohler says, nurses are finding equipment more readily, and therefore have greater work satisfaction because the tools they need to treat patients can be easily accessed.
The system consists of CenTrak's IR monitors, RFID readers and battery-powered RFID tags, as well as Vixia's VixPort software, built on a Patient Care Technology Systems (PCTS) end-user asset-management platform known as Amelior Enterprise Visibility Suite. Vixia installed IR monitors within each of approximately 500 patient rooms, and in all hallways and public areas (the hospital's private sections are not monitored). It also installed RFID access points throughout the facility—providing 100 percent coverage throughout the building's public sections—and attached tags to mobile assets of high value. The entire system was deployed in only four weeks, going live on May 1, 2010.
Vixia either provides the RTLS solution without Vixia personnel to operate it, or offers its Equipment Distribution Service, whereby Vixia personnel manage the equipment without deploying an RTLS. Vixia has provided hospitals with RTLS solutions involving passive or active RFID technology, IR technologies and data-management software. Each hospital's own staff can then utilize the RTLS to help them manage equipment. In the case of Mission and a few others, however, Vixia's service includes both an RTLS and its own employees onsite, to physically manage the servicing and tracking of equipment. Mission Hospital chose this option in the hope that it could better manage the annual maintenance of its assets (to keep the hospital in Joint Commission compliance), lessen the build-up of assets that are brought to the storage areas for soiled equipment, and reduce the loss of equipment through the facility's exits.
The company selected the CenTrak Gen2IR solution because it offered room-level accuracy, and because the installation would not be disruptive to patients or staff members. The system's IR modules are battery-operated (requiring battery replacement every five to 10 years, depending on the beaconing settings), and thus required no additional wiring. Power over Ethernet (POE) is used for the RFID access points (all CenTrak access points can utilize POE). Vixia began providing its service to Mission Hospital on the same day that the RTLS went live.
Each room, hallway area and exit has an IR monitor attached to the ceiling, for a total of 659 monitors installed throughout the facility. The disc-shaped device is the size of a smoke detector, and can be attached directly to a rail in a dropped ceiling. Each monitor transmits an IR signal encoded with a unique identifier, explains Ari Naim, CenTrak's president and cofounder. The ceiling module transmits its signal in such a way that it fills a room with IR light (thereby reducing the likelihood of the module's signal being blocked by a physical obstruction). Each tag is equipped with an IR sensor that receives the monitor's ID number. Every one and a half seconds, the tag then transmits the monitor's ID, along with its own unique identifier, to the nearest of the hospital's 90 RFID access points, via 900 MHz RFID transmission. Those access points capture the data and forward it to Vixia's VixPort software via a cabled connection. VixPort links the IDs with the room-location data, and displays a particular item's location on a map of the hospital that Vixia's and the hospital's workers can access when seeking an asset.
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