Antennas for implantable medical devices

US10029105B2 · kind B2 · utility

Assignee

• Cardiac Pacemakers, Inc. · US

Inventors

• Masoud Ameri · Maple Plain, US
• Keith R. Maile · New Brighton, US
• James Blilie · Shoreview, US
• David A. Chizek · Brooklyn Park, US
• Brian D. Allen · Blaine, US
• Daniel Joseph Landherr · Wyoming, US
• Niharika Varanasi · Shoreview, US

Key dates

• Filing date: Jun 6, 2014
• Grant date: Jul 24, 2018
• Expiry date: Apr 30, 2037

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61N1/3758
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

In general, techniques are described for wirelessly transferring information using an implantable antenna. In one example, an apparatus includes an implantable medical device that includes a housing including an implantable telemetry circuit. The apparatus includes a dielectric compartment, mechanically coupled to the housing and including first and second substantially parallel face portions, and a third face portion extending between the first and second face portions, and an antenna assembly configured to be mechanically attached to the dielectric compartment and configured to be electrically coupled to the implantable telemetry circuit, the antenna assembly includes a spiral conductor comprising first, second, and third spiral conductor portions that extend adjacent the first, second, and third face portions, respectively, of the dielectric compartment, where the first, second, and third spiral conductor portions define an interior region, and where at least a portion of the third spiral conductor portion extends inwardly into the interior region.