Surgery – Truss – Pad
Patent
1988-02-08
1989-08-22
Jaworski, Francis
Surgery
Truss
Pad
A61N 136
Patent
active
048586102
ABSTRACT:
Automatic detection of cardiac pacer evoked potentials may be obtained through a cardiac pacer lead positioned in a heart chamber. An electrical stimulus is emitted in unipolar mode from a first electrode to stimulate muscular contraction. The cardiac electrical activity evoked by the stimulus is then detected in unipolar mode by a second electrode which is spaced from the first electrode and free of electrical connection thereto. Accordingly, signal interference caused by residual polarization of the first electrode is suppressed. The natural cardiac electrical activity is sensed in a bipolar mode, and the pulse is inhibited if a heartbeat is detected within an alert period.
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Callaghan Frank J.
Schroeppel Edward A.
Jaworski Francis
Telectronics N.V.
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