Tag: "prosthetic" at biology news

Hopkins Engineering Undergrads' Inventions: Power Tools For Double Amputee, Military Surveillance Robot

... power drill, power sawor power screwdriver to his prosthetic arms without help fromanother person. Rickels made his request to the non-profitVolunteers for Medical Engineering organization, which handed theassignment to the students last fall. The power tool mechanism was among 10 inventionsconstructed by Hopk...

Out On A Limb: Young Burro Receives Artificial Leg At Colorado State

...amed Primrose got a leg up on lifein the form of a prosthetic hind limb at Colorado State University recently, andher owner, a professional storyteller, put a happy ending on a sad tale. After surgery and weeks of medical care at Colorado State's VeterinaryTeaching Hospital, the long-eared, waist-high,...

Stimulation technique holds new promise for spinal cord injuries

...legia (paralysis of the legs). Most current neural prosthetic systems either use muscle-based electrodes that ar...s where the CWRUresearchers plan to put the neural prosthetic device. "The idea is to put electrodes below the spinal injury to artificially re-establish the comm...

Rats operate robotic arm via brain activity

...have lostlimb function, allowing them to control a prosthetic device as they would theirown biological limbs. The study is being published in the July 1 issue ofNature Neuroscience. In experiments, rats were trained to control a robotic arm by pressing alever to receive a reward. During the rats' leve...

"All my friends dream of artificial limbs": US, Russian nuclear labs work with prosthetics company to develop replacement knee

... The improvementin motion over currently marketed prosthetic feet is such that "I am amazed byyour invention," ...es with relatively small technical support. While prosthetic companiescertainly have worked to improve their devices, says Lieberman, they lack theresources to p...

Another small cog in the 'hub' of metabolism unraveled

...ite of fumarate reduction and the covalently bound prosthetic group flavin adenine dinucleotide (FAD). The smaller hydrophilic subunit B contains three iron-sulphur centres. The hydroquinone-oxidizing membrane-embedded subunit C binds two haem b groups. On the basis of the structure, a pathway of electron trans...

Prosthetic limb to be controlled by microchip: Agreement signed to create smart leg

...gical operating rooms. "The majority of lower-limb prosthetic devices are based upon passive technologies that r...ect, says another goal is to make a self-adjusting prosthetic socket that will prevent pressure sores caused by the device rubbing against the residual limb. The ...

Study pinpoints an enzyme key to both male and female sexual dysfunction -- along with a potential treatment

...rking with tissue taken from men undergoing penile prosthetic implantation, Christianson and his colleagues verified for the first time that arginase is present in the human penis. The group also found that administering BEC enhanced smooth muscle relaxation in human penile tissue, which triggers erection by a...

Stanford engineer studies neural prosthetics

... movements with the movements of a cursor called a prosthetic icon. Eventually, the monkey was able to control t...g, who is helping Shenoy design a low-power neural prosthetic system that someday might be small enough to wear on a belt. Despite recent advances, the current sy...

Discovery of bacterial 'touch sensor' could lead to biofilm treatments

...of bacteria that form on everything from teeth and prosthetic devices to the hulls of ships. Biologists Karen Otto and Thomas Silhavy found a mechanism bacteria use to sense when they have touched a solid surface, which sets into motion the process for building a film. Their study of E. coli identified a protei...

Human running on surfaces of different stiffnesses

...e devastating. In addition, even the most advanced prosthetic and orthotic devices have not adequately responded...uld possibly assist in the development of advanced prosthetic devices that change stiffness in response to speed and ground variations. A Harvard research team ...

University of Florida engineers probe 'shape memory' alloy for better prostheses

...nvestigating it for the much larger application of prosthetic limbs. Under the direction of mechanical engineeri...amount of work. That makes it a good candidate for prosthetic limbs, which would be hampered by such conventional machines. Santiago-Anadon predicted that researc...

Personal body part grown in a dish

...d. Aside from methods such as injecting fat cells, prosthetic devices are often implanted. These are expensive, prone to mechanical failure and can cause infections, says Wessells. "Plus it's not natural by any means."...

University of Pittsburgh scientist discusses blood cell damage from biomedical devices

...Turkey, Sept. 26 While biomedical devices such as prosthetic heart valves, heart-assist devices, oxygenators, vascular grafts and hemodialysis systems can help to save or significantly extend lives, these same devices also can damage the blood cells which travel through them. Severe consequences can result whe...

Hearing loss & rehab, stroke & depression among topics of Vol. 39, Iss 5, JRRD

...ape of the residual limb to aid in fabricating the prosthetic socket. A 3D model of a shinbone was created from ... Modified diagnostic tool holds promise to enhance prosthetic prescription and skin exams Explains the modification of a tool to measure the response of human so...

Exercise and recreation for people with mobility impairments

...org/jour/02/39/6/Contents.html . Vacuum-assisted prosthetic sockets maintain fit during exercise Determines how a vacuum-assisted socket maintains fit during exercise. Sensors were attached to nine study participants with unilateral or transtibial limb amputations, which measured compressive and suction pres...

Advances in prosthetic, orthopedic, and audiologic diagnostic tools

...ow- knee prostheses. SAPs are designed to decrease prosthetic stiffness and provide shock absorption during walk... of socket fabrication systems, and enhancement of prosthetic computer models....

Georgia Tech researchers use lab cultures to control robotic device

... techniques they are developing could be used with prosthetic limbs directly controlled by the brain. Advances in neural control and information processing theory could have application, for example, in cars that drive themselves or new types of computing architectures. Inside Potter's lab, a droplet containin...

Antibody coated stent a breakthrough in cardiovascular treatment

...ring cardiovascular bypass surgery. For example, a prosthetic vascular conduit (artificial artery) coated with anti-EPC antibodies would eliminate the need to use arteries from patients legs or arms for bypass surgery grafts. This would reduce surgery and anesthesia times which in turn will reduce coronary surg...

Double research boost for tissue engineering community

...eterminant in the success and safety of indwelling prosthetic devices. To this end, this systematic study will utilise human primary cells that have been immortalised by telomerase transfection to ensure that the data generated relate to 'normal' cell behaviour. The materials chosen for the study will represent...

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