Advances of Wireless Powering for Body Sensors and Implants

In: Computers and Technology

Submitted By cvieira
Words 2274
Pages 10
Advances of Wireless Powering for Body Sensors and Implants

Vieira, Caio Gagliano
Sarkar, Mahasweta. Phd.
Department of Electrical and Computer Engineering, San Diego State University

This paper will talk about the advances that wireless powering can provides for medicine, especially for implants, prosthesis and sensor postsurgical. Looking for a reason that show why this is important and what has been created, what was already implemented, solutions from different institutions and what provisions exist for the next few years.

• SAR (Specific Absorption Rate): unit of measurement that says the frequency range that can be absorbed by the human body.
• RFID (Radio-frequency identification): is used to convert electromagnetic energy to electrical energy. Commonly used in tolls, parking lots and among others that uses a passive equipment to identify easily the customer.

Another use for it has been to track animals, when a chip smaller that a grain of rice is implanted under the tissue of the animal and it can be read anytime to get an information needed.
• iBMI (invasive brain machine interface) : it’s a type of device that goes in the patient’s brain to get data from it and send to a prosthesis to get movement that is needed.
One real problem is how much battery the equipment is going to use to work. With this I found a good explanation about the problem at Wikipedia’s definition about Neuroprothetics:
• Class-E power amplifiers, and we will present three transmission standards which are used in transcutaneous wireless telemetry systems, and in biomedical implants communication service (MICS)
• Inductive coupling: a form of wireless charging. “Short communication range (on the order of cm)”
• Far-field waves: Other form.
• Look for rectenna design for far-field wireless charging of Li-ion batteries.
• Coil antenna…...

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