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Implant is supplied via sound waves
Stanford researchers have an implant that has been developed with the aid of ultrasonic sound waves of energy can be provided. Their prototype is a few millimeters, but future incarnations would implants should be reduced to ‘smart chips’.
The prototype of the staff of Stanford University is about eight by four millimeters and 2.5 millimeters thick. As yet it is not implanted in humans, but chicken was used as tissue. The device is powered by ultrasound, similar to the ultrasound sources that are used for echoes. Sound waves set up a piezoelectric receiver in motion, thereby generating electricity. That energy to a circuit regulated, with a maximum of 100 microwatts comes with an efficiency of 54 percent. The researchers chose an external energy source, because often make batteries implants too large.
That energy can be used for medical applications: would implantable smart chips can thus deliver localized electrical pulses to control pain. The chips may of course also be used to keep an eye on bodily functions. The measured values can then be sent to an external device via a built-in transmitter so., Direct feedback can be gathered about treatments The researchers have in order to make that possible further miniaturization been experiments with smaller antennas for the receiver piëzoëlekrische: a version of 0.7 mm to 0.7 mm was found to work as well.Viewing:-154
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