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Answering the Call at Senior Care Facility
Residents at Dogwood Village, in Virginia, use a system that includes active tags, repeaters, readers and pagers that send alerts to the staff, and also tracks response times.
Oct 02, 2009—At Dogwood Village, a skilled nursing and assisted-living facility in Orange, Va., residents utilize RFID-enabled pendants and pull-cords to summon aid. The solution, provided by Status Solutions, is known as the Situational Awareness and Response Assistant (SARA). This system enables employees to know when a patient has pressed a pendant's alert button, as well as how long it takes for the staff to respond. Dogwood Village is now expanding its SARA deployment, and intends in the future to add temperature-sensing capabilities for such equipment as refrigerators and boilers, as well as locators to determine where in the assisted-living building a resident is when pressing a button.
Previously, Dogwood's skilled nursing rooms, which can accommodate a total of 138 residents, had two-way intercoms to allow residents to request help from the staff. When a patient pulled a cord attached to a switch mounted near her bed, it activated an intercom, enabling her to speak with a nurse working at a central station. That system, however, was not meeting the needs of the patients or employees, says Vernon Baker, Dogwood Village's president. A call could only be heard at the nursing station itself, making it more difficult for the appropriate staff members to respond if they were not at the station. What's more, the two-way calling confused many residents who could press the button for help, but had trouble understanding what nurses were saying over the intercom, or how they should respond. Workers also sometimes had trouble understanding the patients.
Each pull-cord or pendant contains an active RFID tag that transmits a 902-928 MHz signal encoded with a unique ID number linked to the resident's name, history, room number and other information stored in the facility's back-end system. The pull-cord device, wired to a power supply, can be attached to a wall or bed. The pendant, which contains an internal battery, attaches to a lanyard worn around a patient's neck, and the patient presses a button on the pendant to summon help.
Each type of device beacons its unique ID number intermittently at all times, in order to confirm it is operating properly. According to Deric Blattenberger, Status Solutions' product manager, an Inovonics repeater (17 such devices are installed at the facility altogether) receives the ID number and sends it to a second repeater, which forwards the data to a centrally located receiver.
If the device's status changes—in other words, if a patient pulls its cord—it sends a modified transmission indicating a patient seeks assistance. The receiver has a cabled connection to the back-end system, where Status Solutions' SARA software receives the data, uses the ID number to determine the name and room of the patient who placed the call, and sends a text alert to the appropriate staff members' pagers or phones.
When a worker receives a text alert on her pager or phone, she sees a display of the patient's name and room number, then reports to that room. There, she resets the switch on the patient's pull-cord device or presses a recessed reset button on the back of the pendant, thus indicating the call has been answered.
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