Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems
Patent
1998-03-02
1999-12-07
Kamm, William E.
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical therapeutic systems
607123, A61N 1368, A61N 1362
Patent
active
059998539
ABSTRACT:
There is provided an implantable cardiac pacing system, having multiple sensing channels for sensing spontaneous cardiac signals which arise between respective different pairs of electrodes. In a preferred embodiment, the system utilizes a single pass VDD-type lead, having at least one atrial ring electrode for sensing atrial signals, and at least a distal tip electrode positioned in the right ventricle for sensing ventricular signals. Sensing channels concurrently process signals between the atrial ring and the pacemaker can (the indifferent electrode); the ventricular tip electrode and the pacemaker can; and the between the atrial ring and the ventricular tip. One or more additional electrode pairs can also be employed. Enable signals selectively enable the channels to be used for concurrent processing of the signals. The signal processing embodies both pattern recognition and timing, for analysis and interpretation of the type of event which gives rise to the different concurrent signals on the respective different channels.
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Nava et al, "Chapter 9.1:Single Lead VDD Pacing", The Foundations of Cardiac Pacing, Pt. II: An Illustrated Practical Guide to Rate, Variable Pacing, Futura Publishing, .COPYRGT. 1999.
Stoop Gustaaf A. P.
Westendorp Hendrikus A.
Wohlgemuth Werner P.
Jaro Michael J.
Kamm William E.
Layno Carl H.
Patton Harold
Vitatron Medical B.V.
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