Radianse active- RFID technology to power real-time asset management for St. Croix Systems

Companies to demonstrate at AAMI 2004; Brigham and Women's Hospital and Radianse to present performance and payback analyses

Boston, MA, June 1, 2004 - Radianse, Inc., an innovator of highly accurate and affordable indoor positioning solutions (IPS) and St. Croix Systems, the developer of WOSYST clinical engineering software for asset management, announced today a non-exclusive development partnership to integrate Radianse active-RFID technology into WOSYST for real-time tracking and management of medical devices.

The first demonstration of the integrated solution will be at the Association for the Advancement of Medical Instrumentation (AAMI) 2004 Conference & Exhibition in Boston, June 5-8 in the Radianse (#619) and St. Croix Systems (#303) booths.

Also at AAMI, L. Michael Fraai, director of biomedical engineering at Brigham and Women's Hospital, and Radianse chief executive and technical officer Michael Dempsey will discuss performance and payback of an IPS at two Harvard Hospitals - one for asset tracking and one for patient location.

An IPS provides the indoor corollary to the global positioning system (GPS) and can extend the potential of active-RFID for practical application in healthcare. Beyond identifying where people and equipment are located, a Radianse IPS provides location information to enable applications as varied as patient safety, automatic bed tracking and workflow analysis.

How an IPS works

To track assets with a Radianse IPS, small, battery-powered transmitters - Radianse ID-tags - are attached to medical devices. The ID-tags transmit continuous active-RFID information to Radianse receivers plugged into a hospital's existing local area network. Web-based location software analyzes and displays on a computer screen the exact location in real time. Data is also stored for transfer to any standards-based clinical or hospital information system.

"Integrating the Radianse technology will give us a further competitive edge in real-time management of mobile assets across healthcare, for both affordability and effectiveness," said Troy Kenyon, CEO and president of St. Croix Systems. "Already, our products and services ease the burden of meeting JCAHO reporting requirements. Combined with a Radianse IPS, our total asset management solution will enable our customers to always know where equipment is located and make preventive maintenance more efficient, which will further support preparedness for surprise JCAHO audits."

Evaluating performance and payback of IPS

On Sunday, June 6 from 10-11:15 a.m. Radianse will join with Brigham and Women's Hospital, Boston, a pioneer in women's health and virtually every area of medicine, for "Evaluating the Performance and Return on Investment of an Indoor Positioning System." The presentation is based in part on Brigham and Women's process for choosing a cost-effective solution to track medical devices such as external pacers, infusion pumps and telemetry transmitters. A case study on using an IPS to track patients at Massachusetts General Hospital, Boston, also will be presented.

"The payback potential for Brigham and Women's Hospital, the workflow gains at Mass General and other hospitals and the ease with which our partners have been able to integrate our solution are dramatic proof points for our vision," said Michael Dempsey, CEO/CTO of Radianse. "Everything about a Radianse IPS is designed to remove the high cost and complexity of determining location. We fully expect to make a real impact on asset shrinkage, which costs healthcare millions annually.

"We also see great potential for using location information to make products, systems and processes more intelligent. Automatic device configuration, automatic logon and log off clinical applications and real-time workflow adjustments are among the advancements possible and practical with a Radianse IPS."

About St. Croix Systems Corporation

Since 1993, St. Croix Systems, Cambridge, MA, has excelled in serving the needs of the healthcare asset management market. Over 2500 health care professionals currently rely on St. Croix Systems' WOSYST product, the industry's award-winning Clinical Engineering Software which is at the heart of the company's Total Asset Management solution, which includes Business Intelligence, Mobile Asset Logistics and Tracking and Handheld products. www.stcroixsystems.com

About Radianse, Inc.

Radianse, Inc., Lawrence, MA, provides indoor positioning solutions (IPS) to track medical equipment, patients and staff, combining active-RFID with a patent-pending location algorithm to deliver the proven accuracy and return on investment hospitals require. Radianse adheres to an open systems approach to location solutions, shunning exclusive arrangements it sees as limiting effectiveness across a healthcare campus. The company was recently named an "Up & Comer" by Healthcare Informatics. Hospitals in the U.S. and Europe use Radianse solutions to reduce asset shrinkage and excess rentals and improve staff efficiency, resource utilization and overall efficiency, safety and patient flow. The Radianse Ready™ partner certification program gives device manufacturers and application providers the training, support and warranties to ensure consistently high performance of Radianse location software, active-RFID-tags and LAN-ready receivers.

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