For decades, the use of personal health equipment (PHD) for medical applications and health for home health testing is still a distant desire, and this desire is now becoming a reality. Whether it's a simple personal health scale or a complex cardiovascular health tester, these new generations of induction devices and inexpensive microprocessors have been developed, and the technology and production processes for personal health devices are well known. Each device can be retailed and purchased at a reasonable price on the market. In reality, however, the market for these personal health devices is not satisfactory.
It has proven to be very difficult to effectively transmit health data from a personal health device user to a doctor's office, clinic or entry monitoring service. Part of the reason can be traced back to the lack of communication links in proprietary protocols used by companies that design, manufacture and sell personal health devices.
Hospitals are very different from the user environment in the home. In hospitals, the network environment in which the data resides is carefully designed and limited; at the same time, the hospital purchases equipment from the same supplier or system integrator, so the exclusive agreement is not an issue. Devices used in the home, from multiple device vendors and using multiple proprietary protocols are inevitable.
Transmission protocols such as Ethernet, Bluetooth, Wi-Fi, and ZigBee have been identified as common standards for many years, but more and more PHD-specific protocols have hampered their potential gateway devices (such as cell phones, wireless routers, and set-top boxes). Information communication between etc.). The communication challenge is how to define a "virtual" standard device that collects the same information (such as weight) calculated in the same unit of measure (such as pounds or kilograms) and transmits the information in a fixed format to the communication interface with the outside world.
InteroperabilityManufacturers that are manufactured to standards ensure seamless communication between their devices and transport communication protocols and gateway devices. But this does not mean that all types of PHD must be the same "traditional flavor". The standard sets the basic function of the product, and manufacturers can increase their own designs to improve product performance.
Figure 1 is a schematic diagram of end-to-end PHD communication showing many devices, connectivity options, health services, and data aggregation options. The first column on the left is the PHD, which implements a seamless connection to the transmission medium (the personal area network and the local area network) through the ISO/IEEE 11073 series of standards. Data aggregators include not only mobile phones and personal computers, but also new devices such as personal health systems. These devices transmit aggregated and processed data to health service providers, all of which meet the Continua Health Alliance's WAN framework requirements. In some cases, data collection ultimately results in a patient's personal health record (PHR). The Continua Health Alliance was established in 2006 with the aim of developing a system that provides personal care. Currently, the Alliance has more than 240 member companies and has established links with standards organizations around the world (IEEE, ISO, etc.), government agencies and regulatory agencies.
Figure 1: Schematic diagram of end-to-end personal health device (PHD) communication.
Standardization benefitIf history is worth learning - TV is a good example - the widespread use of communication standards will benefit PHD users, manufacturers and health service providers such as medical clinics and disease management services. Manufacturers can reduce production costs because they no longer need to set up interfaces for all potential transmission media; users can also get lower-cost, more diverse PHD products, and perhaps more importantly, they can go directly to doctors or Data is provided by other health service providers. Although competition will reduce the price of a single product, manufacturers will benefit from the expansion of the market. Health service providers can provide high quality services at a lower cost.
Figure 2a: An example of a PHD product.
Figure 2b: Low cost gateway device.
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