A new study shows that nanorobots significantly smaller than blood cells can deliver anticoagulant drugs directly to brain aneurysms, potentially preventing strokes. Although the technology has only been tested on rabbits, it is a promising alternative to treatments such as stents and coils, which may require long-term blood thinners. Qi Zhou, an enthusiastic bioengineering researcher at the University of Edinburgh and co-author of the study, says these remotely controlled magnetic nanorobots could be used to more precisely seal brain aneurysms without the use of invasive implants. Shunde offers a safe method.
How do nanorobots work?
The study notes that these nanorobots, which are just 295 nanometers in diameter, are composed of a magnetic core, a coagulant called thrombin, and a coating that melts when heated. Surgeons can use magnetic fields to guide these nanorobots to the aneurysm site, where the heat releases medication and forms a blood clot, further blocking blood flow to the aneurysm. This technology eliminates the need for a deep insertion into the brain’s delicate blood vessels.
Successful experiment on rabbits
These nanorobots have already been tested on rabbits with aneurysms in their carotid arteries. The results were promising, with stable blood clot formation and complete occlusion of the aneurysm, and the rabbits remained healthy during the two-week follow-up period. These blood clots do not block the blood supply to the brain, but rather block weak areas of the blood vessels to prevent possible rupture.
The next steps of research
The next step is to test the technology on larger animals that better mimic human physiology. Researchers will also work to improve magnetic control to precisely guide the nanorobots into aneurysms deeper in the brain. Although more research is still needed, Qi Zhou is optimistic about the technology’s potential to revolutionize aneurysm treatment.
Bhupendra Singh Chundawat is a seasoned technology journalist with over 22 years of experience in the media industry. He specializes in covering the global technology landscape, with a deep focus on manufacturing trends and the geopolitical impact on tech companies. Currently serving as the Editor at Udaipur Kiran, his insights are shaped by decades of hands-on reporting and editorial leadership in the fast-evolving world of technology.
