Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems
Reexamination Certificate
2007-04-03
2007-04-03
Layno, Carl (Department: 3766)
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical therapeutic systems
C607S017000
Reexamination Certificate
active
10612388
ABSTRACT:
A cardiac rhythm management device for obtaining transthoracic impedance. The device comprises a sensor for obtaining a signal indicative of an action of a heart, an impedance measurement circuit adapted to measure transthoracic impedance and a processor for utilizing the signal indicative of the action of the heart to sample the transthoracic impedance at sampling intervals commenced by fiducial markers in the signal indicative of the action of the heart, where the sampling of the impedance signal removes the component of a stroke volume of the heart from the signal and thereby provides lung ventilation information.
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Hauck, John A., “A Minute Ventilation Sensor Derived from Intra-thoracic Electric Impedance as a Cardiac Pacemaker Rate Modulator”,University of Minnesota Master Thesis, (Jun. 1993), pp. 80-86 & 97.
Kim Jae-ho
Ni Quan
Cardiac Pacemakers Inc.
Layno Carl
Schwegman - Lundberg Woessner - Kluth
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