[54] ELECTRONIC CAPTURE DETECTION FOR A PACER
[75] Inventor: Terrence R. Hudrlik, Fridley, Minn.
[73] Assignee: Medtronic, Inc., Minneapolis, Minn.
[ * ] Notice: The portion of the term of this patent subsequent to Oct. 20, 2009 has been disclaimed.
[21] Appl. No.: 626,061
[22] Filed: Dec. 12,1990
[51] Int. CI.' A61N 1/362
[52] U.S. Q 607/9; 607/28
[58] Field of Search 128/419 D, 319 PG
[56] References Cited
U.S. PATENT DOCUMENTS
3,057,356 10/1962 Greatbatch 128/419 PG
3,345,990 10/1967 Berkovits 128/419 PG
4,305,396 12/1981 Wittkampf et al 128/419 PG
4,729,376 3/1988 DeCote, Jr 128/419 PT
4,759,366 7/1988 Callaghan et al 128/419 PG
4,858,610 8/1989 Callaghan et al 128/419 PG
4,878,497 11/1989 Callaghan et al 128/419 PG
OTHER PUBLICATIONS
Biology of the Uterus, edited by Ralph M. Wynn pp. 466-481, publication date unknown. "Voltage-Clamp Studies on Uterine Smooth Muscle" by Nels G. Anderson, Jr. published in the Journal of