In the treatment room of the Heavy Ion Center in Wuwei, Gansu, doctors are using instruments to give carbon ion radiotherapy to a tumor patient.
Zhong ASTRI ASTRI The successful application of this device marks that China has become the fourth country in the world with independent research and development of heavy ion therapy systems and clinical application capabilities, and has achieved a historic breakthrough in the development of large-scale medical equipment in China.
The medical heavy ion accelerator is based on the breakthrough understanding of Chinese researchers in the study of heavy ion physics
The medical heavy ion accelerator is based on the breakthrough understanding of Chinese researchers in the study of heavy ion physics The core of this device at the Wuwei Heavy Ion Center in Gansu is a medical heavy ion accelerator
Zhong ASTRI ASTRI Up to now, there are 118 elements known to mankind that are included in the periodic table, most of which have isotopes
Rays can pass through space or matter in the form of waves or particles to release energy.
Among them, heavy ion radiotherapy has obvious advantages
Academician Zhong ASTRI ASTRI China has accumulated more than 60 years of technology in the field of heavy ions
Zhong ASTRI ASTRI Relying on strong basic research support and accumulation of original achievements, since 1993, researchers have set their sights on the treatment of cancer with heavy ions
Served as Zhong Keyuan Physics Institute of Modern Zhong Keyuan Lanzhou Branch president Xiao Guoqing said proudly: "Our independent research and development of this 'cyclotron accelerator injection + sync master' combination of heavy ion medical devices, magnetic focusing on the main accelerator In terms of structure and injection method, it has achieved zero breakthroughs in domestic heavy ion therapy equipment, and has embarked on a road of independent innovation in the entire industry chain from basic research, technology research and development, product demonstration to industrial application
Zhong ASTRI ASTRI Zhong ASTRI ASTRI president Transform the results of heavy ion basic research into practical applications, condensing the hard work of scientific research and engineering technicians for nearly 30 years
Transform the results of heavy ion basic research into practical applications, condensing the hard work of scientific research and engineering technicians for nearly 30 years It sounds like only one step away to transform the basic research results of heavy ions into practical applications, and to turn scientific research devices into medical devices, but it is separated from thousands of rivers and mountains
Behind the leapfrog achievements, the entire medical heavy ion accelerator team has overcome three major problems
From "big" to "small"
From "coarse" to "fine"
From "special" to "full"
Zhong ASTRI ASTRI In order to overcome alp, Zhong Keyuan Physics modern researchers, the industrialization of the company's technical staff, local doctors unity and cooperation, learn while improving, border edge tune, began the arduous process engineering
Zhong ASTRI ASTRI Zhong ASTRI ASTRI Starting from scratch and moving towards industrialization step by step, the team is not working behind closed doors, but focusing on market traction, to be a medical device that meets the needs of doctors and patients
.
Ma Lizhen said that they used to think that patients only need to lie on the bed in the traditional way
.
Later investigations found that the use of a robotic arm to lift the patient, and the tacit cooperation with the accelerator, can more easily irradiate the patient's body
.
The team immediately rectified the details and added a more flexible robotic arm to the second-generation equipment
.
The effort pays off
.
In the second half of 2019, the entire carbon ion therapy system was approved for registration, and China finally has its own medical heavy ion accelerator
.
Xiao Guoqing said that the self-developed medical heavy ion accelerator is not inferior to imported equipment in terms of performance indicators and clinical feedback
.
In particular, the cost of domestic heavy ion therapy devices is only 1/3 to 1/2 of that of developed countries, and has obvious advantages in price
.
At the same time, the circumference of the synchrotron of the domestic heavy ion treatment device is only 56.
2 meters, which is the shortest synchrotron system among all medical heavy ion accelerators in the world, which will help hospitals reduce investment
.
Relying on the complete domestic processing and manufacturing system, the maintenance cost of the whole set of medical equipment is also greatly reduced, and the maintenance time is very fast
.
Promote the deployment of domestically-made heavy ion therapy devices nationwide, so that this large-scale medical equipment can serve more patients
Promote the deployment of domestically-made heavy ion therapy devices nationwide, so that this large-scale medical equipment can serve more patients The carbon ion treatment system of Wuwei Heavy Ion Center includes a central control room, a physical planning room, a central control hall, a power distribution room and a power supply room, and is equipped with 4 treatment rooms
.
"According to the different types of patients, the time and frequency of heavy ion therapy are also different
.
According to the clinical follow-up results of patients who have completed the treatment, the effect is significant and the patient's condition is effectively controlled
.
" said Ye Yancheng, director of Wuwei Cancer Hospital , as of currently, the center 375 patients (including patients in clinical trials) treatment, cover the treatment of diseases of the central nervous system tumors, tumors of the skull base and head and neck, chest and abdomen tumor, pelvic tumor
.
Dean The struggle between humans and cancer has been going on for thousands of years, and even the smallest progress is supported by science and technology
.
"As a scientific researcher, we hope to make more breakthroughs in scientific principles, grasp more the mysteries of the mechanism of heavy ions, accelerate technological research and development, and strive to provide scientific and technological support for more effective cancer treatment methods
.
" Xia Jiawen said
.
struggle In the next step, Guoke Ion Medical Technology Co.
, Ltd.
will promote the domestically-made heavy ion therapy device to be deployed nationwide
.
Ma Lizhen said that in addition to the Wuwei Heavy Ion Center that has been put into operation and the Lanzhou Heavy Ion Therapy Device, which is about to carry out clinical trials, there are also 4 devices under construction in other cities, and many other places have also signed cooperation agreements
.
"The construction layout will fully consider population and geographic factors, place the device in the national regional medical center, and improve the accessibility of heavy ion therapy services
.
"
Xiao Guoqing said that in the future, it will continue to develop smaller treatment devices to reduce floor space and treatment costs, and upgrade equipment with the help of artificial intelligence and 5G technology to improve the level of intelligence
.
It will also vigorously cultivate a talent team for heavy ion therapy, and carefully train more front-line radiation therapists and radiation physicists, so that medical heavy ion accelerators can serve more patients
.
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