Rate adaptive pacemaker using impedance measurements and...

Details Rate adaptive pacemaker using impedance measurements and... Rate adaptive pacemaker using impedance measurements and...

2005-12-13

2005-12-13

Layno, Carl (Department: 3762)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

C607S028000, C607S017000

Reexamination Certificate

active

06975903

ABSTRACT:
A rate adaptive pacemaker comprises a means (2) for determining the demand of the patient's organism, a pacing rate controlling means (16) for controlling the pacing rate in response to the patient's demand, and a pacing rate limiting means (20) for preventing the pacing rate from becoming too low. The pacing rate limiting means is adapted to limit the pacing rate downwards such that a first predetermined relation is satisfied between actual cardiac output (CO) and cardiac output (COrest) for the patient in rest conditions and a second predetermined relation is satisfied between actual stroke volume (SV) and rest stroke volume (SVrest).

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patent: 0 576 114 (1993-12-01), None
“Design of Cardiac Pacemakers,” Webster, Ed., IEEE Press (1995), pp. 380-386.

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