Patent ID: 8597278

Claim:
A system for delivering a substance to a selected site in an alimentary canal of a body of a human or animal, the system comprising: at least one transmitter disposed in a housing in proximity to a medically relevant site on the body and transmitting signals; and an ingestible capsule for receiving the signals, collecting data, and releasing the substance, the capsule comprising: a compartment for storing the substance; a releasing device for releasing the substance from the compartment; a receiver suitable for receiving the signals through a tissue of the body; a processor for storing a programmed set of instructions for recognizing patterns of the signals, each of the patterns is designed to identify a site in the body, and for initiating the releasing of the substance upon recognizing of a specific pattern; and an electronic power source; wherein the receiver comprises a proximity based detector for measuring proximity of the receiver to the at least one transmitter.