Home mobile medical miniaturization is on the rise, MCU is the key

With the rapid popularization of mobile devices, mobile healthcare has become a hot topic in recent years. The rapid growth of the market has also triggered many new business models. According to a market research report from PR Newswire, the mobile medical market will reach USD 23.49 billion in 2018, with a compound annual growth rate of 30.5% from 2013 to 2018.

Medical electronics has gradually developed from function-oriented to application-oriented, while miniaturization, differentiation and portability are the development trends.

In addition, BCC Research predicts that the global scale of home medical equipment will grow from US $ 19 billion in 2011 to US $ 26.2 billion in 2016. Among them, auxiliary rehabilitation equipment and monitoring devices will be the main growth drivers, and portable medical equipment will also There will be substantial growth. Lai Jianxun, a technology expert from the Technology Department of the Ministry of Economic Affairs, said: "The entire medical trend is changing, and what will be sold and made in the future will be miniaturized medical equipment."

When medical equipment enters the home, medical electronics have a different development trend. Unlike traditional medical equipment, which is large in size, low in mobility, and has limited room for use, home-based medical care is moving towards miniaturization and miniaturization. After joining wireless communication technology, it has increased its application diversity. NXP technology marketing manager Liu Junhong said that medical electronics has gradually evolved from function-oriented to application-oriented, while miniaturization, differentiation and portability are development trends.

Although these home-based, portable medical devices have lower thresholds than clinical devices in hospitals, their design requirements are very different from traditional medical devices. Liu Junhong said that high integration, fast and accurate computing power, long-lasting battery life, safe and stable power supply, portability, small size, wireless connection and other characteristics are not necessary for traditional medical equipment. The design requirements are extremely important in the equipment.

Among them, low power consumption is extremely important for portable medical equipment. However, when these devices must have high-performance computing capabilities, and more interfaces such as wireless transmission, they must also maintain low power consumption, which is a dilemma that manufacturers often encounter when designing products. In addition to the medical market, more and more devices have low power consumption requirements in the motion monitoring market. Liu Junhong said that from the perspective of MCU design, in response to such design challenges, Cortex M0 and M8 launched by ARM can meet the requirements of high performance and low power consumption, and the software design is simple.

In fact, MCU has been widely used in the medical electronic equipment market, from high-end patient monitors, medical imaging systems, etc., to low-end market sphygmomanometers, blood glucose meters, heart rate monitors, etc. can be seen, ultra-low power The consumption is suitable for the application of portable medical equipment, and 32 bit MCU has been accepted by most manufacturers. Liu Junhong pointed out that compared with 8-bit or 16-bit MCU operation design, 32-bit performance is significantly higher, and can perform tasks faster and enter power-saving mode. In order to achieve a more power-saving effect, NXP also provides Cortex M4 and M0 high and low-level integrated dual-core MCU, through the combination of the two to achieve lower power consumption design.

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