Patent Number: 6,169,925

Title: Telemetry system for implantable medical devices

Abstract: A device for use in communication with an implantable medical device. The device is provided with a spatial diversity antenna array mounted to a housing and an RF transceiver operating at defined frequency, coupled to the antenna alray. The antenna array comprises two antennas spaced a fraction of the wavelength of the defined frequency from one another, each antenna including two antenna elements mounted to the housing and located oithogonal to one another. Selection of which of the antennas is employed is accomplished by an device controller, responsive to the quality of the signals received by the antennas.

Inventors: Villaseca; Eduardo H. (Minneapolis, MN), Dublin; Garry L. (Maple Grove, MN), Goedeke; Steven D. (Forest Lake, MN), Haubrich; Gregory J. (Champlin, MN)

Assignee: Medtronic, Inc.

International Classification: A61N 1/372 (20060101); H01Q 1/36 (20060101); H01Q 21/28 (20060101); H01Q 9/04 (20060101); H01Q 21/00 (20060101); H01Q 9/16 (20060101); A61N 001/362 ()

Expiration Date: 01/02/2018