Fifteen years ago, the birth of the Da Vinci robotics system shocked the entire medical community. Nowadays, Professor Sun Yu, University of Toronto, Canada, is pushing robotic surgery to a whole new level of cells.
DaVinci system, a successful example in the field of medical robots
This new micromanipulator cell surgery technology, developed at a microscopic level, was developed by Sun Yu's advanced micro / nanosystems laboratory, which Sun founded in 2004 at the University of Toronto's Department of Mechanical and Industrial Engineering. Professor Sun has been awarded the Connaught Road Innovation Award (2011-2014) at the University of Toronto on a number of occasions and was successfully elected as a member of the Canadian Academy of Engineering in 2014. He is currently the chairman of research in the field of micro / nano engineering systems in Canada.
Sun Yu said that in the field of medical robots, the most successful example to date is the Da Vinci robot system. Its success lies not only in academic achievements, but also in its significant impact on society.
As a mainstream technology adopted by hospitals around the world, the DaVinci system allows surgeons to more intuitively manipulate the surgical process by monitoring the 3D virtual reality environment. The Leonardo da Vinci system inspired Professor Sun's work in the area of ​​micro-robot cell surgery and Sun Yu hopes that the new technologies he is developing will also bring similar social impact.
New and old technologies, new technologies have more advantages than the old technology
Sun Yu said that technology is old and new, may be able to get good surgical results, but the new technology will undoubtedly make the surgical process more efficient and faster, less invasive to patients.
One of the potential applications of the new system is microbiopsy of tumor cells. Sun Yu team developed a robotic surgery system can be installed on a small claw, can grasp a single or a small amount of cells for biopsy. The advantage of this approach is that it results in less invasion and trauma to the patient and does not destroy the tumor cells in the same way as biopsy methods commonly used today.
Another application prospect lies in in vitro fertilization. In vitro fertilization technology was invented by the Nobel laureate Robert Edwards in the 1970s and created the first IVF in the world. Sun Yu laboratory is working to develop new robotics to improve sperm selection and injection process.
Current manual processes require highly skilled embryologists to collect individual sperm into a single needle and inject it into the egg. The width of the sperm tail is only about 1 micron while the width of the human hair is about 80 microns. Therefore, the manual method of embryologist highly demanding flexibility.
In contrast, Professor Sun's robot injection system is much more accurate and efficient. A micro-robot contained in an adult-sized device that takes a single healthy sperm and injects it into the egg, all with a few mouse clicks.
The new system developed by Sun Yu had the first small-scale human test in 2012 when the egg was successfully fertilized, but unfortunately the patient eventually miscarried. Currently, Professor Sun is financing and is seeking to be in place this year in order to further improve the technology and conduct large-scale human trials.
Sun Yu said IVF robot systems have the same inherent advantages as other robotic systems: they are more accurate and efficient, and reduce the need for human skills. According to the statistics of the World Health Organization, one out of 6 couples in the world can not give birth normally. In addition, the number of professionals dealing with infertility is also extremely scarce. In vitro fertilization is one of the areas most in need of robotics and automation technology, and the social benefits of new technology applications will be evident.
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