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Japanese Hospital Tests BLE Beacons to Track Patient-Staff Interactions
The solution, provided by SATO Healthcare, is undergoing a proof-of-concept at Nagoya University Hospital to track not only the movements of staff members around its facility, but also the vital signs and locations of patients, in order to understand nurse responses to changes in a patient's status.
Mar 30, 2018—
Japan's Nagoya University Hospital has launched a smart hospital proof-of-concept (PoC) at its Medical IT Center that uses Bluetooth Low Energy (BLE) to capture patients' vital signs and locations, as well as the movements of staff members. The solution is provided by technology company SATO Healthcare. Testing began this month and is expected to continue throughout the year.
The hospital, established in 1871, contains more than 1,000 beds and serves 573,400 outpatients annually. The facility has been growing, and recently began investigating multiple technology solutions to help it provide the best possible patient treatment as it expands. For example, it has launched a night-time robot to transport medications to departments where they are needed, and has researched ways in which Internet of Things (IoT) technologies can be used to better understand what is happening with patients, assets and personnel.
The hospital is using a Hosiden MEDiTAG sensor-based BLE beacon wristband for collecting and transmitting patients' vital signs. The hospital seeks to measure the point at which staff members may need more support to properly serve patients. Until now, information regarding staffing and workloads was largely anecdotal. "Previously, hospital workers have mentioned the difficulty of their work," Oyama says, "but it has not been quantitatively measured. By making quantitative measurement possible, we hope to efficiently optimize service."
Nagoya University Hospital has looked into a variety of solutions to measure patient care and staff workloads. "When we initiated this study," Oyama recalls, "the level of precision necessary was unclear." The hospital considered using Wi-Fi- or magnetic detection-based systems, but felt that it required the location precision that BLE technology offers. "We believe that the location detection accuracy with this system will be a benchmark for us as we move forward, which is why we selected the SATO system."
SATO Healthcare's indoor location system tracks the locations of hospital workers as they go about their jobs. Beacon devices track each patient's vital signs, including his or her heart rate, physical movement and stress level, among other details. It can capture location data to the level of a hospital bed.
The MEDiTAG device became commercially available for the Japanese market in December 2017, according to Hiroyuki Konuma, SATO Healthcare's president. SATO determined that the MEDiTAG, as well as the off-the-shelf beacon device used for staff members, would provide the necessary location granularity that the hospital required. The pilot consists of approximately 130 MEDiTAG beacon devices to track both vital signs and location data.
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