Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems
Patent
1993-10-18
1994-12-27
Kamm, William E.
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical therapeutic systems
A61N 1365
Patent
active
053761065
ABSTRACT:
A multi-sensor blending circuit for use in a rate responsive cardiac pacemaker. The blending logic circuit blends delta pacing rate signals from two or more sensors which measure physical and physiological parameters of a patient. Programmable equations stored in the blending logic circuit determine which percentages or a ratio of the delta pacing rate sensor signals comprise a single delta pacing rate signal as a function of the delta pacing rate. This delta pacing rate signal is provided to the pacing control circuitry of a pacemaker. The blending ratios are dynamically determined based on the pacing rate established at the most recent cardiac cycle. The blending equations are comprised of several programmable variables, wherein the equations can be programmed by the external programmer in view of clinical data.
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patent: 5063927 (1991-11-01), Webb et al.
patent: 5065759 (1991-11-01), Begemann et al.
patent: 5097831 (1992-03-01), Lekholm
Hartley Jesse W.
Stahmann Jeffrey E.
Cardiac Pacemakers Inc.
Kamm William E.
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