Integrated Header-Based Data and Charging Antenna for an Implantable Medical Device
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United States of America
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Dec 19, 2024
app pub date -
May 8, 2024
filing date -
May 8, 2024
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Abstract
An implantable medical device is disclosed having a single antenna structure in its header capable of receiving power from an external charger by near-field magnetic induction, and capable of communicating data with an external communication system by far-field radio frequency (RF) waves. The antenna structure preferably comprises a stamped conductive sheet and is generally loop shaped. The antenna in one example includes end connections and a center connection which acts as an RF feed, although the antenna may also have just two connections. An algorithm operable at least in the IMD can if necessary time multiplex the data and charging operations of the antenna and can configure the IMD's circuitry to operate in either a charging mode or a data communications mode.
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