The Canadian health department recently announced that it will promote a robot for neurosurgery in China. This medical robot has a particularly sensitive tactile sensation and allows doctors to complete microsurgery of the brain with the clearest vision. Its accuracy can reach the level of a single hair strand, and even the smallest nerve has a clear three-dimensional image. Last April, the robot was successfully used for the first time at the Foothill Hospital in Calgary.
On May 10 last year, the Royal Society of Medicine in London announced that the United Kingdom will begin to popularize medical robot nurses in 2010. This will not only relieve the shortage of domestic nurses, but also greatly improve the efficiency and safety of nursing, and significantly expand nursing functions. Previously, on April 1st, this "robot nurse" was exhibited in London. It has multiple laser and thermal imaging cameras installed on its head. With the help of voice recognition technology, it can interact with patients in a timely manner. And keep those unauthorized visitors out. The "chest" of the "robot nurse" is a control panel, and some complex operation instructions can be programmed and input here. Its "abdomen" is equipped with an infrared sensor that can monitor the patient's body temperature at any time.
The survey report of the American Medical Robot Research Center pointed out that there are currently more than 500 various medical robots in the world serving in hospitals. It is a general trend for robots to enter clinical medical applications, and their progress is faster than expected.
Medical robot employees
In three hospitals in Leipzig, Stuttgart and Bochum, Germany, medical robots almost silently glide in the corridor, transporting food, blankets, surgical tools, etc. to different departments. This approach is not new in itself. What is new is that the robots in these hospitals have really reduced the workload of medical staff, allowing them more time to care for patients. These medical robots work independently and will say what programmers teach: "Attention: The car is approaching! Attention: This is automatic transportation!"
More than a year ago, eight such medical robots began to help in this hospital. They are less than 50 centimeters wide and 1.6 meters long, and flexibly shuttle through the corridors to transport things from one department to another. The hospital building is turning around, but the robot is obviously familiar with the road, thanks to a set of ingenious control systems. Its automatic control navigation system relies on the local wireless network. You can determine the route it needs to take based on the floor plan scanned into the computer in advance. You can rely on the attached radar device to explore the situation in the corridor step by step and avoid obstacles.
The medical robot's automatic control and navigation system relies on the local wireless network. It can scan the floor map in the computer in advance to determine the route it needs to take, and the robot itself knows when to charge.
The Aizu Central Hospital of Japan recently announced that three robot employees “hired†by the hospital have already taken up their posts to provide hospital reception and luggage handling services. This is the first robot officially unveiled in a Japanese hospital. One of the three robot employees is responsible for receiving customers at the entrance of the hospital and answering inquiries. The other two robots are 1.3 meters high, equipped with wheels, and can move freely. The maximum speed during movement can reach 1.5 kilometers per hour. They are porters, responsible for carrying luggage and leading the road, and can also remind people if there are roadblocks ahead by sensors.
Experts predict that robot doctor technology will soon be used in the treatment of diseases, and believe that this is an inevitable trend for future development. In the United States, dozens of hospitals have used a robot TV doctor to make rounds and rounds to alleviate the plight of too few famous doctors. At Johns Hopkins Hospital in Baltimore, assistant doctor Benfrey Piasichin brought a robot TV doctor to the patient ’s bed in Ritz Daniel, 80-year-old Daniel had just finished Bladder surgery.
The so-called medical robot TV doctor is actually just the "stand-in" of the attending doctor, Louis Keworthy. Kewosi can control this 1.65-meter-high robot in the office or at home to conduct routine rounds for Daniel: Kewosi's dynamic face can be displayed on the robot's TV screen, and patients on the bed can use A robot can have a normal conversation with the doctor, which can not only save the time of the attending doctor, but also improve the treatment efficiency.
Long-range treatment to save lives
In life, a sudden stroke patient needs to be treated promptly and promptly by a doctor, but what if the patient is taken to a hospital that happens to have no neurologist who treats the stroke? A remote control medical project launched by the United States provides a solution to this problem way. Since February last year, robotic doctors have been employed in 21 hospitals in Michigan, assisting in the treatment of stroke patients under the remote control of medical experts.
The project launched this time is called the "Michigan Stroke Network". The purpose is to help stroke medical experts in large hospitals to help small hospitals through advanced technology, and to achieve resource and technology sharing between hospitals at different levels. Richard Fesler, a neurologist who participated in this project, said that traditional remote medical technology mainly relies on static video conferences for expert consultations. In contrast, robotic doctors have many advantages. Because the robot is dynamic and can move freely, it makes it easier to operate and more humane.
The robot doctor who specializes in stroke is 1.5 meters tall and has a display screen on his head, which can show the image and voice of the doctor at the other end of the network. A camera is installed above the display, which can transmit the image and sound of the hospital scene to the doctor, who can move the robot through a joystick.
With this robot, the hospital is equivalent to having a medical expert on call. A real doctor can use a laptop computer and the Internet anywhere to provide remote patients with remote control robots to provide treatment services.
Jack Weiner, Dean of Mercury Oakland Hospital in St. Joseph, said: "Whether doctors are in Starbucks coffee shops, libraries or their own homes, they can command robots via the Internet once they need them, as if they were in the hospital. , To diagnose and provide treatment for stroke patients in the emergency room. "
The most important thing is that robot doctors can relieve urgent needs for hospitals lacking experts. Hospitals no longer need to use ambulances or helicopters to rush patients to other hospitals. This can not only reduce the cost of treatment, but more importantly, it can avoid missing critical treatment time and delaying the patient's condition.
Safe, reliable and efficient
On March 15 last year, a British Ms. Payne donated one of her kidneys to her lover. With the advice of a doctor in the Gaith Hospital, Payne agreed to have a robot named "Da Vinci" for her and her lover. Perform a kidney transplant.
The robot named "Da Vinci" was previously used to remove necrotic organs or perform reconstructive surgery. For it, this is the first time that such a difficult kidney transplant operation. Not only that, it is also the first robot in British history to perform an organ transplant operation. Although its movement is slower than that of a professional surgeon, a robot doctor can work continuously for a long time, its hands never tremble, and its reliability is greatly improved.
China attaches great importance to medical robot research
In China, surgical robot doctors used to bone fracture patients have been successfully developed. After clinical trials, the surgical success rate is not only as high as 100%, but also nearly half the time than traditional manual methods. This project, called "Orthopedic Surgery Biplane Navigation Technology and Robot System", is the research result of the National 863 Program. The traditional method of bone fracture is to pull the misaligned bones apart, and after returning to the original position, insert the steel nail into the bone marrow to connect the broken bone. Under the X-ray plane perspective, the doctor fumbles to find the hole of the steel nail. Punch to lock. Even experienced doctors often fail to achieve a success. At the same time, doctors and patients are exposed to X-rays for a long time during the operation. This technology not only greatly improves the success rate and quality of surgery, but also reduces the radiation damage caused by X-rays to doctors and patients in traditional surgery.
Orthopedic robot system involves many fields such as robot, computer control, medical imaging, computer network and surgery. The operation of the robot system is carried out through the traction system-a mechanical hand with a motor to assist the doctor to complete the traction and fixation of the broken bone. Then, the dual-plane navigation robot system uses X-ray machines to take images of the injured bone of the patient from the front and side The precise calculation of the computer determines the position of the steel nail lock hole in the bone marrow and guides the doctor to complete the locking of the steel nail.
According to clinical statistics, the average time for medical robot surgery is about 4 to 7 minutes, and the traditional surgery time is about 10 to 14 minutes; the average X-ray exposure time for robot surgery is more than 1 minute, and the traditional surgery is about 4 to 8 minutes.
Nano fantasy medical robot
In April last year, scientists from the University of California in the United States declared that a new type of nano-miniature medical robot "nano propeller" with powerful killing capability will be expected to enter the clinic in 2010. This robot can quickly kill in living cells Cancer cells thus achieve the purpose of curing cancer. On October 20, 2007, Professor Ray Kurtzville, an American artificial intelligence expert, disclosed that scientists are studying the technology of "reprogramming" human genes, and the results will extend human lifespan by at least one year per year.
Kurtzville said that in the near future, human blood will be implanted with a robotic device called "nanoworm". The size of "nanoworm" is similar to that of human blood cells. It can make human body from the level of cells and molecules. Become healthier. At present, biologists have invented the first generation of "nanoworms" and have successfully conducted experiments on animals many times. For example, scientists have successfully used "nanoworms" to cure diabetes in mice. Researchers at the Massachusetts Institute of Technology already have a special monitoring technology that can use "nanoworms" to find cancer cells in the blood and destroy them. It is expected that in 25 years, scientists will develop a similar device that is 1 billion times more powerful than the first-generation "nanoworm" to further accelerate the growth of human lifespan. By then, human life expectancy in the future is expected to reach hundreds of years.
This is not whimsical, but a bold guess made by scientists after careful assessment of the development of nanotechnology. In the world of nanotechnology, all objects are only the size of a cell, and science needs to be described in the form of science fiction. Nano (one billionth of a meter) technology, although just emerging, is developing at a rapid rate.
Nanotechnology has created extremely tiny robots, and as extremely tiny medical robotics is popularized in major hospitals, at least in major hospitals in developed countries, the possibility of death due to diseases such as myocardial infarction becomes very slim.
It can be expected that the development of nanomedicine will lead to a major leap forward in human understanding and transformation of the world, and will bring about major changes in the field of medicine and the entire life sciences.
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