Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems
Patent
1998-06-29
2000-09-12
Kamm, William E.
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical therapeutic systems
A61N 1365
Patent
active
061190403
ABSTRACT:
Method and apparatus for automatically setting a variable upper rate limit for the pacing pulse signal provided by a rate adaptive implantable pacemaker which relies on a non-physiological sensor to determine the pacing needs of the patient. A physiological parameter of the patient's condition is sensed and used to determine an upper limit for the pacing rate otherwise called for based on the reading of the non-physiological sensor. In a disclosed embodiment, the ventricular preejection period is monitored as the physiological parameter, and the rate of change of this parameter is utilized to set the upper limit of the pacing pulse rate.
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