(19) United States
(12) Patent Application Publication (io) Pub. No.: US 2005/0203584 Al
Twetan et al. (43) Pub. Date: Sep. 15,2005
(54) TELEMETRY ANTENNA FOR AN IMPLANTABLE MEDICAL DEVICE
(75) Inventors: Len D. Twetan, Excelsior, MN (US);
Piotr Przybyszewski, Coon Rapids,
MN (US); Garry L. Dublin, Maple
Grove, MN (US); Andrina J.
Hougham, North Oaks, MN (US);
Gregory J. Haubrich, Champlin, MN
(US); Andrew J. Ries, Lino Lakes, MN
(US); David B. Engmark, Bethel, MN
(US); Gary M. Grose, Brooklyn Park,
710 MEDTRONIC PARKWAY NE
MINNEAPOLIS, MN 55432-5604 (US) (73) Assignee: Medtronic, Inc. (21) Appl. No.: 11/097,682
(22) Filed: Mar. 31, 2005
Related U.S. Application Data
(63) Continuation-in-part of application No. 10/797,511, filed on Mar. 10, 2004.
(51) Int. CI.7 A61N 1 375
(52) U.S. CI 607 36
A telemetry antenna for an implantable medical device includes one or more portions having a non-linear configuration. In some embodiments, the non-linear configuration provides an antenna having a greater antenna length than the linear lengthwise dimension of the antenna structure. In some embodiments, the non-linear configuration is a serpentine pattern.