Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems
Patent
1992-07-13
1993-09-14
Kamm, William E.
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical therapeutic systems
607 27, A61N 1368
Patent
active
052439810
ABSTRACT:
A system for detecting changes in the myocardial conduction velocity and deriving control signals therefrom for controlling the delivery of electrical or other therapy to the heart or for monitoring or diagnostic purposes. The system comprises two spaced electrodes coupled to amplifiers which detect the relative arrival times of the depolarization wavefront at the electrodes, measurement circuitry for measuring the difference in arrival times to determine conduction velocity circuitry for deriving control signals for controlling operation of an implantable medical device as a function of measured conduction velocity. The particular embodiment disclosed is a cardiac pacer in which the measured conduction velocity is used to control pacing rate.
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"Bioelectric Amplifiers" in Introduction To Biomedical Equipment Technology by Carr and Brown, John Wiley & Sons, 1981, pp. 41-44.
Duthler Reed A.
Kamm William E.
Manuel George
Medtronic Inc.
Patton Harold R.
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