New anti-cancer method: robot "pill" came
March 06, 2017 Source: Kexun
Window._bd_share_config={ "common":{ "bdSnsKey":{ },"bdText":"","bdMini":"2","bdMiniList":false,"bdPic":"","bdStyle":" 0","bdSize":"16"},"share":{ }};with(document)0[(getElementsByTagName('head')[0]||body).appendChild(createElement('script')) .src='http://bdimg.share.baidu.com/static/api/js/share.js?v=89860593.js?cdnversion='+~(-new Date()/36e5)];Recently, according to foreign media reports, scientists at the Philips Research Institute in Hamburg, Germany, designed a magnetically controlled micro-robot that can help humans treat cancer.
In fact, in the past decade, scientists have demonstrated that magnetic devices can be manipulated into the human body, such as magnetic field control of the cardiac catheter, manipulation of the micro-camera in the intestines.
However, how to individually control a few devices in a group of micro devices and let them run at a specific speed and direction is still a big problem. Because they are in the same magnetic field, the same equipment will often have the same performance.
Today, Philips scientists have come up with a solution to a single manipulation of a group of magnets, allowing each device to perform a specific task individually.
Researchers can use a powerful magnetic field to control each microrobot. They use powerful magnetic forces to hold each small screw in place. However, scientists leave room for the inside of the magnetic field so that the fixed small screws can rotate freely inside.
With this design, they connect tiny movable brackets to the screws, and these screws can be independently controlled.
According to Philips physicist Jürgen Rahmer, these robots can perform complex operations in the human body without the need for batteries or motors.
According to reports, they have produced hundreds of such robots, each of which can be controlled independently.
So far, magnetic screws have been tested in LEGO robots. As shown in the picture above, these tiny Lego robots can flexibly move their limbs with tiny magnetic screws.
Scientists believe that these robots can help humans fight cancer in the future.
They suggested that these robots could be hidden in tiny pills and then injected into the blood. The pill is made of a metal material that prevents radiation leakage and can pass through the body harmlessly until it reaches the tumor cells.
Thereafter, the doctor will manipulate the robot group to open the pills and then release the agent to kill the tumor cells. In the specific operation, the doctor can use the magnetic field to manipulate the screw and open the capsule to ensure that the radioactive drug in the capsule only works on the cancer cells without harming the healthy cells, thereby reducing side effects.
After the tumor is destroyed, scientists will turn off these robots by magnetic force.
The researchers pointed out that the technology can also be used to make medical implants that change over time. For example, after the patient has healed, the doctor can use a magnetic field to change the shape of the implant to better fit the patient's body.
According to Rahmer, in the future, they plan to develop small magnetic field emitters for controlling micro-magnetic robots and to observe the position of these devices in the human body using imaging techniques such as X-ray emitters or ultrasonic scanners.
Perhaps one day, these robots can be a helper for human immune cells. This cute little robot can help them kill cancer cells, keep friends who are unfortunate enough to get cancer away from nightmares and embrace new life.
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