Release date: 2014-05-06
Endoscope is a kind of precision instrument that combines opto-mechanical and electromechanical. It is used to observe the structure and structure of objects in the human eye that can not be directly observed. It is widely used in industrial detection, industrial micro-machining, medical diagnosis, minimally invasive surgery and other fields. From the initial hard tube endoscope to the current fiberscope and electronic endoscopes, the technical development of endoscopes has matured.
Endoscopic minimally invasive surgery, as a development direction in the field of surgery, can help doctors complete clinical diagnosis, treatment and minimally invasive surgery. Compared with traditional surgery, minimally invasive surgery has the characteristics of small incision, small trauma, quick recovery and less pain. Minimally invasive surgery is a medical revolution brought by high technology. It is regarded as one of the development directions of surgical surgery in the 21st century. It is a cutting-edge technology that combines photoelectric display systems with high-tech surgical instruments and traditional surgical operations. Traditional endoscopic diagnosis and treatment is widely used as an important means of non-invasive and minimally invasive surgery. Its typical equipment is fiberoptic endoscope, electronic endoscope and ultrasonic endoscope.
Avi Yaron suffered a motorcycle accident at the age of 26, which he called the luckiest day of his life. When the doctor did a brain scan for him, he found a tumor deep in his brain. After six years of searching, he found key surgeons and experts who successfully removed the tumor from his surgery. But the idea of ​​finding a better surgical method continues to remain in his heart, and he continues to consider and experiment with various methods of brain surgery in a minimally invasive manner.
In the past 25 years, minimally invasive surgery has become commonplace. During surgery, a small tube mirror is inserted into the body through surgery or a naturally occurring channel. The camera at the end of the tube mirror transfers the picture to the screen for the doctor to watch. The surgical instrument collects tissue samples or removes the mass through the tubescope. Early technology enabled surgeons to view 2D standard screens, and developments over the past decade have resulted in higher definition systems.
Recently, 3D technology has been applied to certain types of surgery, but it is quite difficult for brain surgery. The diameter of the tube mirrors used in neurosurgery must be very small so that they can pass through narrow passages such as the nasal cavity. But most 3D tube mirrors rely on two light channels, each with a sensor that collects images and simulates the way the human eye is imaged. It is currently very difficult to make such a small instrument and it is not possible to provide a high quality image for a neurosurgeon.
But Mr. Yaron claims that his team has broken through this problem. Instead of copying the human anatomy, they simulated the compound eye of the bee. The tube mirror is equipped with a miniature sensor that has thousands of micron-scale elements, each with a slight difference in direction and a range of surgical procedures from many different perspectives. With this system, Mr. Yaron's company, Visionsense, has created a miniature tubescope for brain surgery that will make surgery more accurate and reliable through 3D endoscopy.
Shahzada Ahmed, from Queen Elizabeth Hospital, was one of the first participants in 3D endoscopic neurosurgery. He said: “From a 3D perspective, it is clearer than a movie.†This system allows him to see it in 3D. Go to your own instrument, which gives him a better understanding of which key parts of the anatomy they are. But there are a lot of potential problems with this technology. Surgeons accustomed to watching 2D images for surgery may find that 3D images are difficult to adapt. The 3D endoscope combined with Israel Real View to develop a unique holographic imaging technology that will make virtual reality experience a real mood. Doctors can use the advanced 3D interactive visualization system to detect real 3D anatomical accurate volume holograms of patients floating in midair.
Source: Science Network
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