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Tag: "motors" at medical news

Attempt to Build Artificial Muscles from Carbon Nanofibres in the Offing

...oother, more human-like motion than jerky electric motors or pneumatic devices. As such, they could be used to power robots, prosthetic limbs and artificial tissue for implantation, say scientists.Today's most promising artificial muscles are based on electroactive polymers (EAPs) - plastics that change sha...

Scottish Engineer Devises Versatile Hand

...ercepted by delicate sensors and used to move tiny motors hidden in the artificial fingers. While traditi...n the back of the artificial hand and controls the motors hidden in the fingers. Small objects such as coins can be picked up between the index finger and ...

Scientists Equip Bacteria With Custom Chemo-Navigational System

...rocessing capabilities to powerful, tiny molecular motors that propel the cells forward. Researchers have long envisioned reprogramming bacteria so that microbes capable of synthesizing an anti-cancer drug, for instance, can be used to target diseased cells while sparing healthy cells of side effects. Lik...

U.S. Army Developing a Robot to Rescue Injured Soldiers

... is about to lose its balance. Computer-controlled motors adjust the position of its lower body accordingly to prevent it toppling over. The robots humanoid body and teddy bear-style head give it a friendly appearance, says Gary Gilbert of the US armys Telemedicine and Advanced Technology Research Center ...

HeartLander - Futuristic Medical Technology Takes Off

... three rigid wires, which are pushed and pulled by motors outside the body. The robot may also carry a needle, which could be used to inject stem cells and growth factor genes as well take tissue samples from the heart's surface. The device could also be used with an added radio-frequency probe to treat f...

MRI Robotic Biopsies Simplified by PneuStep

...images, says Stoianovici. The team used six of the motors to power the first-ever MRI-compatible robot to access the prostate gland. The robot currently is undergoing preclinical testing. "Prostate cancer is tricky because it only can be seen under MRI, and in early stages it can be quite small and easy t...

MRI-safe Motor Makes Robotic Biopsies Possible

...images, says Stoianovici. The team used six of the motors to power the first-ever MRI-compatible robot to access the prostate gland. The robot currently is undergoing preclinical testing. "Prostate cancer is tricky because it only can be seen under MRI, and in early stages it can be quite small and easy ...

Bacteria Harnessed as Micro-Robot Motors

...erial components must be. Moreover, the bacteria motors work using simple nutrients such as glucose and are naturally sensitive to their environment. This means they can be precisely controlled. "In the future, such hybrid swimming micro-robots could even be used to deliver drugs inside the liquid envir...

Prestigious Wilson Award Goes To Yale Cell Biologist Joel Rosenbaum

...hemical and genetic studies showing that molecular motors controlled movement of the IFT particles. When the motors were stopped, flagella would not form, and already-formed flagella became shorter. They also showed ...

Bionic Women –No longer the Stuff of Science Fictio

...ctrodes on her skin, that send commands to the six motors in the electronic arm. Source-edindia NLA...

Adult stem cells are sensitive to responses from the environment

...ects. Each cell has its own skeleton and molecular motors that it uses as muscles. According to the research...e cell to differentiate. "The cytoskeleton uses motors that, like our muscles, are based on the mechanical tension created by molecules of actin and myosin...

Discovery of Agile Molecular Motors Could Aid in Treating Motor Neuron Diseases

...together, show proteins that function as molecular motors are surprisingly flexible and agile, able to navig...ientists are now finding that many other molecular motors are remarkably flexible in their behavior. In several further papers published in the Proceedings of...

Solitons Could Power Molecular Electronics, Artificial Muscles

... solitons may also be harnessed to drive molecular motors in nanotechnology," Li said. This work was mainly funded by Honda R&D Co., Ltd., with computing resources provided by the Ohio Supercomputer Center. (Source: Newswise)...

Nanotechnology at its best: Nanomotors And Mechanical Nanoswitches

...d by Dr. Vogel. In addition the use of biological motors to build assembly lines for biological and synthetic cargo at the nanoscale level, and exploration of how mechanical forces can switch the functional states of proteins was done by this scientist. The CV of this great scientist reads as follows: pro...

A New Focus For The Mechanism Of Nerve Growth

...ntraction in heart and skeletal muscles. Myosin II motors are involved in functions such as directed cell movement, cell division and wound closure. While skeletal myosins have been studied in detail, non-muscle myosins are just beginning to be understood and this work identifies a new role for them. The re...

New ultralight hand with better functionality and flexibility developed

...ificially developed hand is dependent on 6 sets of motors and gears and is designed in such a way so as to e...oning of the human thumb, the Remedi-Hand uses two motors – one to allow it to rotate and one to allow it to flex. The artificial limb offers superior flexibi...

Mini motor for micromedical applications

...er.The smallest of these ultrasonic, piezoelectric motors developed by researchers at Penn State’s Materials...draw blood. “Initially, our applications for these motors are aimed at medical uses,” says Dr. Kenji Uchino, professor of electrical engineering. Some of the...

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