[54] DUAL CHAMBER PACEMAKER WITH
AUTOMATIC ADAPTATION FOR INTRINSIC
ATRIAL EVENTS
[75] Inventor: Tibor Nappholz, Englewood, Colo.
[73] Assignee: Telectronics Pacing Systems, Inc.,
Englewood, Colo.
[21] Appl. No.: 530,054
[22] Filed: Sep. 19, 1995
[51] Int. CI.6 A61N 1/365
[52] U.S. CI 607/9; 607/17; 607/25
[58] Field of Search 607/9, 14, 17,
607/25, 27; 128/697
[56] References Cited
U.S. PATENT DOCUMENTS 4,554,921 11/1985 Boute et al. .
4,569,350 2/1986 Mumford et al 128/697
4,624,260 11/1986 Baker, Jr. et al 607/14
