China's first proton therapy medical equipment 360-degree rotating rack officially launched

Proton therapy is recognized worldwide as the most effective treatment with the least side effects. However, the technical difficulty and high cost of the device limit the promotion and application of proton heavy ion therapy, which causes the trouble of “difficult to see a doctor and expensive to see a doctor”. Among them, the rotating frame has become the most important bottleneck in the development of the current proton heavy ion therapy device, and it is also the most costly link in "1 accelerator + 4 rotating frames". Shanghai Qingqiang Industrial Co., Ltd., Shanghai University of Science and Technology, China Aerospace Science and Technology Group Shanghai Pudong Development Center developed one of the core components of the first self-developed proton therapy device in China. The proton therapy device has a 360-degree rotating frame, which will promote protons. The production of therapeutic devices has been fully realized in China. The domestically produced proton therapy device will be smaller in size, higher in cost performance, and will benefit more cancer patients, truly benefiting the people.

Proton heavy ion treatment of tumors has the best efficacy and least side effects

On the "killer killer list" of human beings, cancer has become one of the strongest killers of human life. Surgery, chemotherapy, and radiotherapy are the three major means of treating cancer. Proton heavy ion radiation therapy is one of the most powerful weapons. Many medical practitioners believe that proton heavy ion therapy is one of the safest and most effective ways to treat tumors.

Traditional electronic and X-ray radiotherapy, various sizes of chemotherapy inevitably kill cancer cells and kill normal cells, which will bring a series of side effects, which will damage the normal tissues of the body, even Some patients will not be able to resist these side effects and the treatment will fail. According to reports, the principle of proton heavy ion treatment of cancer is that protons or carbon ions are extracted into the human body when accelerated to about 70% of the speed of light by a synchrotron. After reaching the lesion, the rays will release a large amount of energy instantaneously ("Prague Peak" The energy release trajectory), "stereotactic blasting" of cancer cells, does not harm or rarely damage the normal cell tissue before the tumor, and the normal cell tissue behind the tumor will not cause any harm.

China's first proton therapy medical equipment 360-degree rotating rack officially launched

Figure: Proton therapy device 360 ​​degree rotating frame

The indications for proton therapy are relatively wide, and have good curative effect on benign and malignant tumors of the brain, spinal cord tumors, cerebrovascular diseases, head and neck tumors, ocular lesions, chest and abdomen tumors, pediatric tumors and other diseases. In 1954, researchers at the University of California conducted the world's first proton therapy. Today, decades later, tens of thousands of people in the United States receive proton therapy every year. Foreign clinical treatment data show that proton therapy has an effective rate of more than 95%, and the five-year survival rate is as high as 85% or more.

High-quality, low-cost 360-degree rotating frame for proton heavy ion therapy to promote "roadblocking"

Due to the unique physical and biological advantages of proton heavy ion therapy, proton heavy ion therapy is becoming a frontier for cancer treatment and research and development in countries around the world. According to incomplete statistics, at least 65 proton heavy ion treatment devices are in operation worldwide, and at least 34 proton heavy ion treatment devices are under construction or are under construction. According to incomplete statistics, as of March 2016, there are 57 hospitals in mainland China, Hong Kong, Macao and Taiwan that plan to invest in proton heavy ion projects.

Recently, the Chinese government network released the full text of the "Guiding Opinions of the General Office of the State Council on Promoting the Healthy Development of the Pharmaceutical Industry", in which "Proton/Heavy Ion Tumor Therapy" was written in the chapter "Accelerating the Transformation and Upgrade of Medical Devices". The Ministry of Science and Technology recently released the “Special Medical Research” key special 2016 annual application guide, which includes research projects on precision radiotherapy for protons, heavy ions and photons. This year, the White House released a news announcement that it will vigorously develop proton therapy. Through the cooperation of the National Cancer Institute and the Department of Energy, proton therapy equipment can be made smaller, cheaper and more popular. This information reveals that proton heavy ion therapy will become the main trend of future radiation therapy tumors.

Although proton heavy ion therapy has its unique physical and biological advantages, it is bulky, technically difficult and expensive, and the high cost has become the main bottleneck for proton heavy ion therapy. In the industry's view, the proton heavy ion therapy device is complex in structure and cross-industry. The development of other components besides the rotating frame is relatively mature. The current "1+4" conventional configuration of the proton heavy ion therapy device has made the rotating frame cost. Exceed the accelerator cost. Therefore, the high-quality, low-cost rotating frame is the key to the promotion and application of proton heavy ion therapy.

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