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Stimulating and Sensing Network Inside the Human Body

J. H. Schulman
Alfred Mann Foundation, Santa Clarita, CA, USA
Abstract—The Alfred Mann Foundation is developing anetwork of up to 850 injectable devices that havestimulating, sensing and communication capabilities.Each of the devices is coordinated via radio signals ahundred times a second by an external small module. All thedevices are powered by lithium-ion rechargeable batteries. Thestimulating, sensing, and communication circuits are designedto be highly power efficient to maximize battery life. Thestimulator can be programmed to deliver pulses in the range: 5μA to 20 mA, 7 μs to 2000 μs, and frequencies up to 4000 Hz.Bursting, ramping, and other stimulation features are included.The voltage sensor covers the range 10 μV to 1.0 V withbandpass filtering and data analysis. The implant also containssensors for pressure, temperature, DC magnetic field, anddistances between implants.

Cite: J. H. Schulman, "Stimulating and Sensing Network Inside the Human Body," Journal of Communications, vol. 2, no. 3, pp. 73-78, 2007.

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