See other Science/Tech Articles
Title: Worm-inspired robot crawls through intestines
Source:
NewScientists
URL Source: http://www.newscientisttech.com/article.ns?id=dn9283&print=true
Published: Jun 6, 2006
Author: Tom Simonite
Post Date: 2006-06-06 23:18:52 by Pandora
Keywords: None
Views: 78
Comments: 3
Worm-inspired robot crawls through intestines The robot (shown on top of pig gut) modelled on a polychaete, or "paddle worm" A robot designed to crawl through the human gut by mimicking the wriggling motion of an undersea worm has been developed by European scientists. It could one day help doctors diagnose disease by carrying tiny cameras through patients' bodies. The team behind the robot includes scientists from Italy, Germany, Greece and the UK. They modelled it on polychaetes, or "paddle worms", which use tiny paddles on their body segments to push through sand, mud or water. "We turned to biological inspiration because, in the peculiar environment of the gut, traditional forms of robotic locomotion don't work," says Arianna Menciassi, a roboticist from the Sant'Anna School of Advanced Studies in Pisa, Italy. "Worms have locomotion systems suited to such unstructured, slippery environments." The team studied the way real worms use their paddles to crawl and developed computer models to simulate the motion. The Italian scientists then put together two prototype robots that move in the same way. Pig gut Videos show an early prototype crawling through a section of pig gut, and a recent version of the robot in a researcher's hand. Further clips show more complex prototypes, with multiple paddles and undulating bodies, wriggling over sand, to simulate the slippery conditions of the gut, and on a flat surface. Next, the researchers plan to develop a robot equipped with a camera and light source that can capture video footage as it travels. Doctors currently explore the gut using endoscopes, which have to be fed through the body, or "camera pills" that must be swallowed by a patient. A pill capable of wriggling through the gut on its own could be a valuable tool, says Andrew Gardner, an independent medical imaging expert at University College London. "Capsules can show you places nothing else can, but you can't stop or slow down when you get to a point of interest," he told New Scientist. Interesting crevice "Being able to have some control, perhaps even to turn around and go to look in a crevice that would otherwise be missed, would be very valuable." But Gardner says the system would need careful testing. "If something this complicated goes wrong, it could be very hard to get out." He believes it could take years of laboratory and animal testing before the robot is ready for clinical use. Menciassi agrees but says the project may have other pay-offs. It could, for example, help biologists to study animal locomotion. "The robots can be used to validate theories about how certain animals move," she says.
Post Comment Private Reply Ignore Thread
Top • Page Up • Full Thread • Page Down • Bottom/Latest
#1. To: Pandora (#0)
I see a collaborative development opportunity for Agent Smith and Doc Johnson.
i had to google Doc Johnson. :P
My apologies.
Sing, goddess, the anger of Peleus' son Achilleus and its devastation, which put pains thousandfold upon the Achaians...
#2. To: Tauzero (#1)
#3. To: christine (#2)
Sing, goddess, the anger of Peleus' son Achilleus and its devastation, which put pains thousandfold upon the Achaians...
Top • Page Up • Full Thread • Page Down • Bottom/Latest