Patent ID: 9179827
Filing Date: 2015-11-10
Classification: A61B

Abstract:
1. A medical device system comprising: an imaging pill configured and arranged for ingestion by a patient; a housing disposed within the pill; a rotatable magnet disposed in the housing and configured to rotate freely relative to the housing; at least one magnetic field winding, the magnetic field winding configured and arranged to generate a magnetic field at the location of the magnet, the magnetic field causing rotation of the magnet at a target frequency; an array of magnetic field sensors disposed external to the patient, the magnetic field sensors configured and arranged to sense the location and orientation of the magnet in relation to the array of magnetic field sensors; electronics for capturing at least one image; a power generation system, the power generation system comprising a plurality of layers of wire disposed over the housing; an electronic circuit configured and arranged for storing power generated in the layers of wire; one or more input leads coupling the plurality of layers of wire to the electronic circuit; and one or more output leads coupling the electronic circuit to the electronics for capturing at least one image.