A blog about what is new (and old) in the world of active implantable medical devices 

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Monash University in Australia Starts Test of Direct-to-Brain Visual Prosthesis Chips

Engineers from the Monash Vision Group (MVG) have begun trialling the ASICs for a direct-to-brain visual prosthesis that is expected to enter human clinical trials in 2014. The prosthesis will consist of a tiny camera mounted into a pair of glasses, which acts as the retina; a pocket processor, which takes the electronic information from

 
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Magnetically-Coupled Motor/Generator Transfers 100 mW to Implant at 50 cm Range

Scientists at the Fraunhofer Institute for Ceramic Technologies and Systems developed a magnetically-coupled motor/generator system that they claim is able to transcutaneously transfer 100 mW to an implant up to 50 cm away. In the external power-transfer module, a rotating magnet driven by an EC motor generates a magnetic rotary field. A magnetic pellet in

 
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John Hopkins Researcher Develops New Early-Warning Seizures Detector with Low False-Positive Rate

Johns Hopkins’ Sridevi V. Sarma, an assistant professor of biomedical engineering, has devised new seizure detection software that, in early testing, significantly cuts the number of unneeded brain-stimulation therapy that an epilepsy patient would receive. According to Sarma, “These devices use algorithms—a series of mathematical steps—to figure out when to administer the treatment,” Sarma said. “They’re

 
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