The biofuel cell converts chemical energy into electrical energy using biological catalysts. It consists of an electrolyte, an anode and a cathode, and uses glucose to provide energy. This mechanism would allow patients with heart implants to avoid battery replacement surgeries because it runs on glucose provided by the body.
An electrochemical element is delivered minimally invasively into a blood vessel through a puncture in a vein or artery. This placement method is provided by a special stent that is inflated with a balloon and allows the device to reach the desired location.
Source: Ferra

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