US developed a software platform that can share medical device information

Release date: 2009-10-12




A research team in Boston, USA, developed a software platform that would share information from the sphygmomanometer to cardiopulmonary monitors in the hospital to better manage patients and their medical care, thus moving toward different devices in the hospital. The long-term goal of connecting together is a critical step.

Peter Szolowitz, a professor of computer science at the Massachusetts Institute of Technology, believes that the interconnection of medical devices is a critical part of achieving smarter, safer, and more effective healthcare information technologies. However, due to the lack of appropriate standards, medical device manufacturers lack the necessary will, and the desire to achieve fully interoperable medical devices has been stagnant.

For example, after completing a heart surgery, the doctor must disconnect the cardiopulmonary device and then quickly turn on the ventilator, otherwise the patient will have brain damage. However, the current cardiopulmonary apparatus still cannot sense whether the ventilator is properly activated. If the ventilator is not activated, the cardiopulmonary instrument must remain in operation. Szolowitz said that the highest-tech medical devices available in hospitals cannot communicate with each other in a "dialogue" between computers and printers.

A research team convened by the Center for Medical Innovation and Technology (CIMIT) in Boston, USA, has introduced a new standard for Integrated Clinical Environment (ICE) that includes a high level of design principles. The standard believes that ICE must contain a device that can collect data similar to the aircraft "black box". This "black box" will initially prove that the security of integrating different systems will be enough to win the approval of the regulatory authorities. Even in everyday practice, this "black box" is critical to troubleshooting and interoperability improvements. The standard also states that there can only be one overall algorithm for all interconnected devices to avoid conflicting indications or warnings. If a device fails, the failure must not spread to other devices in the system.

Julian Goldman, the convener of the Standards Development Group and the head of the CIMIT Medical Device Interoperability Program, said the job is to create a comprehensive web-like platform that allows people to innovate to improve patient care. Safety. This new standard will be released this fall by the American Society for Testing and Materials, an international standards body.

Goldman said that some medical technologists expect that when patients receive intravenous drug injections in their hospitals, they will automatically measure their blood pressure every 15 minutes. Once the drug causes the patient's blood pressure to rise or fall rapidly, the drug will be injected. Automatic stop. But so far, this desire has not become a reality.

This lack of interoperability can lead to serious errors, which means that doctors spend time consuming false alarms caused by a single device. For example, today's telemetry monitors can be used to track changes in heart rhythm, while other devices must be used to monitor heart rate and blood oxygen levels. Sudden movements or movements of the patient may cause sudden fluctuations in the heart rhythm, triggering an emergency alert. And if there is an integrated system that can check heart rate and blood oxygen levels at the same time, this kind of alarm can be eliminated, because if these values ​​do not change much, the heart attack may not be great.

David Osborne, manager of international standards at Philips Medical Devices, believes that this new standard will help integrate existing information to form a high-level framework, but still need to complement Details. In fact, due to the lack of information sharing between medical devices, various injuries to patients often occur, but people do not want to admit it. Being able to go beyond this standard framework may be an important step towards solving such problems.

Shanghai Medical Device Industry Association


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