China's healthcare industry is developing at an unprecedented rate. Research institutions predict that China is currently the third largest medical market in the world, and it is expected that China will become the second largest medical market in the world in the next five to seven years. China has formulated a wide range of policy measures, including the implementation plan for deepening medical reforms (2009-2011), the "Twelfth Five-Year Plan", Healthy China 2020 strategic planning, and the foreign investment industry guidance catalog, etc. With great development opportunities, the government will further improve the overall technology to the level of high-end equipment by focusing on solving hospital and medical facilities that are in urgent need of improvement.
With the increasing global medical electronics market and the vigorous promotion of China's "Twelfth Five-Year Plan" for the medical industry, local medical electronics manufacturers are gradually increasing R & D investment and accelerating their product development. According to the "China Medical Electronics Industry Strategic Research" report, the market size of China's medical electronics will grow from 40.31 billion yuan in 2010 to 69.25 billion yuan in 2013, with an average annual compound growth rate of 19.8%. Among them, the demand of China's high-end medical electronics market has increased significantly, especially medical imaging equipment, such as ultrasound, CT, MRI, PET-CT and X-ray equipment.
Omar Pingalli, Director, Asia Pacific, eLOM
Mr. Omar Pingalli, director of Asia Pacific of eLOM said that as the medical imaging equipment market for high-end medical electronics, the key to its development lies in Hardware development, and progress in the IT and service industries will also strongly promote its development.
Digital X-ray machine will replace traditional equipment
Medical imaging technology is constantly developing and improving. First, X-rays evolved from film to digital files. Due to the widespread use of digital signal processing (DSP), X-ray signals can now be converted into digital images at the acquisition point without reducing the image clarity. Digital files have many benefits, including eliminating the cost and time required to process film, and more reliable information storage. This ability to draw digital images in real time enables the use of digital X-ray machines during surgery, allowing doctors to see accurate images at the exact time of surgery.
Mr. Omar Pingali introduced that the digital X-ray machine is based on the combination of digital image processing and X-ray technology to produce X-ray film. It is equipped with an X-ray detector to replace the traditional plastic film to generate a digital image. Compared with traditional equipment, the digital X-ray machine has the characteristics of better quality and faster imaging speed. More importantly, it reduces the amount of radiation required for imaging.
Digital X-ray machines usually use direct or indirect conversion flat panel detectors (FPD) to detect X-rays. The direct conversion FPD consists of an amorphous selenium layer and a TFT array, which can directly convert the received X-rays into electrical signals; while the indirect conversion FPD consists of an amorphous silicon layer, a photodiode array, and a TFT array. The silicon layer converts X-rays into visible light, which is then converted into electrical signals through a photodiode array.
The processor is used to control the bias voltage applied on the TFT array, and transfer the charge stored in the TFT to the signal acquisition circuit through multiplexing technology in a specific order. The signal acquisition circuit includes an analog front end, which converts the charge into a voltage and amplifies the voltage signal representing the X-ray power level. The amplified signal is converted into a digital signal by an A / D converter and then passed through a digital signal processor (DSP ) Processing to generate images. These images can be displayed on screen, printed or transmitted to a remote terminal for medical diagnosis.
With the introduction of new FPD materials and the development of digital image processing technology, digital X-ray machines will have higher resolution and more accurate image reconstruction, and are likely to replace traditional X-ray equipment.
Schematic diagram of digital X-ray machine architecture
In the past few years, as trolley-type ultrasound systems have been gradually replaced by portable or handheld ultrasound equipment, ultrasound equipment has become more compact. The reduction in size will enable a wide range of medical care applications. Portable and handheld ultrasound systems will bring medical care to rural and remote areas, disaster areas, hospital wards, life assistance agencies and ambulances.
In 2010, China's ultrasound market reached US $ 760 million, accounting for approximately 14.6% of the global ultrasound market. It is estimated that in the next 5 years, the domestic ultrasound market will grow at a rate of about 8.2% per year. In 2015, China's ultrasound market is expected to reach a scale of 1.1 billion US dollars, accounting for approximately 16.4% of the global ultrasound market, and is expected to become the world's largest ultrasound market.
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