As the technologies of Micro Electro Mechanical Systems (MEMS) and nanotechnology continue to advance, resulting in smaller and smaller sensor sizes and improved performance, in recent years, mobile devices have become popular, and multiple factors have hit the ground, making the combination of various factors The wireless communication network of built-in micro-sensors has already surrounded people's living environment, thus setting off a wave of new wave of applications.
A recent report pointed out that due to the success of smartphones with built-in Bluetooth Smart Ready connection technology, and these phones are all famous, they are all popular brands preferred by a large number of consumers, so they are wearable sensing devices. The development of China has created a rare opportunity, and it has made all sectors eager to take advantage of the trend to promote various applications.
Wireless sensor technology drives mobile medical care applications
Among various types of application projects, mobile medical care is undoubtedly the most popular. Only because health is priceless and lives are dead, consumers can feel the most. So whether it is a Bluetooth-supported blood pressure monitor, blood glucose meter, or even an electrocardiogram, it gradually becomes The compact and wearable sensor is then combined with a smartphone, tablet or patient monitoring system to provide an uninterrupted health monitoring environment for patients with chronic diseases or the elderly.
ABI Research preliminary estimates that the ride-hailing technology of wireless networking technology and mobile devices will make wearable mobile medical care equipment show an unprecedented momentum in 2012, and the overall global shipments are approaching 30 million units. , An increase of nearly 40% over the previous year.
From this point of view, health care and home care alone can fully demonstrate the huge benefits of looking around sensor technology for life applications, not to mention the rest of the application topics such as joint performance, safety, comfort, convenience ... and so on, also known as It's too much to prepare for, and it's no wonder that wireless sensing technology has become a prominent subject in the field of ICT, and it is even more uncommon for the operators who have drawn on the operation.
According to a document on wireless sensing in the National Science Council of the Executive Yuan, looking at wireless sensor networks, sensors and wireless networks can be regarded as two cores. As for the entire system, a large number of sensor nodes with communication capabilities Each component can carry various sensors. Depending on the purpose of the measurement, the range covers many items such as temperature, humidity, luminosity, acceleration, pressure, sound ... and many of these sensor nodes have self-organized networks. Ability, so that the information collected by the sensor can be transmitted back to the main control terminal through the network, so as to facilitate the subsequent application.
In terms of health care, the main targets measured by its sensors are various types of physiological information such as electrocardiogram, respiration rate, and activity. The common operating mode today is that a smartphone connects various measurement devices via Bluetooth ( (For example, a miniature wearable sensor attached to the patient's chest), on the one hand, through the characteristics carried by the user, the above information is continuously collected and sent to the doctor at the remote end, so that it can monitor the patient's health according to this; On the other hand, combined with the basic functions of mobile phone calls, positioning, etc., in order to play the role of emergency rescue.
Wireless sensor + cloud personal care for patients
In recent years, many well-known entertainers suddenly died of cardiovascular disease, which brought fans a lot of sigh, and people can not help but sigh, because modern people are busy with work, resulting in insufficient exercise and abnormal diet, coupled with daily contact with food, more It is a heavy-tasting, high-calorie, greasy food that naturally impacts the cardiovascular system over time, so not only the elderly, patients, and postoperative patients need to pay attention to physiological changes at any time, and more "sub-health" groups may be It is not appropriate to stay out of the matter.
Focusing on the eager expectations of most people, regardless of the production, education, research and other units, they actively take health care, home care as the main axis, and use ICT elements such as wireless sensors, mobile devices, cloud computing, etc. Service or research and development results, just in the second half of last year (2012), can be seen from time to time.
At the end of last year, at the Smart Life Innovation Conference held by the Ministry of Economy's Technology Division and the Foresight of the Capital Policy Committee, the achievements related to medical care were displayed with enthusiasm and became the most intensive theme. For example, the enthusiasm Dou Action Lohas Technology Company, with the slogans of LOHAS, technology, and mobile, has launched the innovative result of Tnermo + in cooperation with its parent company, Bello Medical, and advertises that it can turn the iPhone into a non-contact infrared. Thermometer, the user can measure the body temperature of himself or his child within two seconds with only a slight shake. Because of the non-contact design, there is no need to worry about waking up and sleeping children, but the measured temperature value It will be recorded on the mobile phone, and through the completed chart, it will make it easier to record, share and track body temperature.
The main member is Gade Technology from IBM Taiwan, adhering to its expertise in key technologies such as RFID, Sensor and RF, and ingeniously launched "Elderly Security Angel Watch Watch Mobile Phone", which aims to integrate all remote care systems through this device , And then cooperate with Beijing Medical Long-distance Care Center to provide 24-hour real-time care services for senior citizens; its main functions include GPS base station positioning, instant safe call, possible fall notification, Bluetooth wireless measurement, temperature attention notice, medication return prompt The 6 major functions, combined with a simple and clear design, enable the elderly to contact the outside world at any time with just a press of a button, and their family members can master the elders at any time through the mobile app no ​​matter where they are, or even overseas. At the same time, it can also meet other purposes such as health promotion and family interaction.
The Zhan Technology Research Institute under the Information Policy Committee also launched a community-based health care service based on the health care of the elderly, and explored its main features. First, it uses smartphones to connect various types of measurement devices via Bluetooth. In addition, it can play a variety of functions such as physiological information measurement, exercise quantity evaluation, positioning rescue, and quick call of loved ones. Next, because the measurement device is carried around, it is also conducive to the effect of real-time service. More importantly, through the 24-hour The group real-time interactive mechanism allows doctors, case managers and specific family members to know the health status of users, so as to provide care and care services. It is worth mentioning that this achievement also includes a very popular huge amount of data analysis technology, so it can immediately conduct event detection or trend judgment for specific content such as EKG, SPO2, etc., which helps the smart health service industry expand its application value.
Also in the second half of last year, the research team from the Department of Electrical Engineering of Chung Cheng University in the "Cloud Enjoyment-Cloud Generation Prospect Electronic Industry-University Forum" led by the Industry-Academic Bridging Program Office of Smart Electronics National Science and Technology Project Research Using analog integrated circuits, mixed-signal integrated circuits, radio frequency communication integrated circuits, health care signal processors, baseband processors, biomedical implantable microchip systems, microelectromechanical testing integrated circuits and other technologies, a key is conceived The research and development achievements of mobile medical care, named "Personal Guardian", aim to transform the electrocardiogram (ECG) into a compact, low-power, and wearable patch, and this personalized chip is 8x4cm in size, which is as common as the size OK stretch.
In fact, in the past, there was not a similar product, but it was more "portable" rather than "close-fitting", the body was not light, there were still blind spots that were not easy to carry, and the demand for power consumption was quite large (Note: 800mA / h battery For example, it can only be used for a maximum of 100 hours), which leads to a great discount in practicality. Nowadays, the "Personal Guardian" has improved the power consumption problem to extend the endurance to more than two weeks, accompanied by a significant reduction in the size of the sensor chip. The ECG can be personalized by combining the smart clothes and other methods with the side of the user on the side of the user.
Of course, like RFID, there is a personal chip as a Tag, and it also needs to be equipped with a Reader to make ECG signal sensing a success; in this part, the "Personal Guardian" will design a wireless transmission module with heart disease recognition as Mobile phone chip, which transmits physiological signals to the back-end cloud service center, so that medical institutions or family members can immediately grasp it, so that it can be extended into a health monitoring and care system anywhere to help cardiovascular patients Prime time for rescue.
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