Implantable stimulator

Details Implantable stimulator Implantable stimulator

1997-10-27

2000-09-05

Jastrzab, Jeffrey R.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

600547, A61N 1365

Patent

active

061156337

ABSTRACT:
An implantable stimulator for treating arrhythmic function disturbances of a heart, comprising; a stimulation electrode for transmitting stimulation pulses to the heart, a pulse generator that is connected to the stimulation electrode for generating the stimulation pulses, a control unit connected to the pulse generator for controlling the pulse emissions, a hemodynamic sensor for controlling the pulse emission as a function of the cardiac pumping performance, the hemodynamic sensor including; two measuring electrodes located in or in electrical contact with a blood vessel, for measuring the blood impedance dependent on the blood throughput, a signal generator that generates an AC voltage for generating a test signal for impedance measurement, an electrical measuring device connected to the twvo measuring electrodes for determining the blood throughput as a function of the measured electrical signal; and a blood throughput signal-analysis unit for recognizing an arrhythmic cardiac finction disturbance using the measured throughput quantity.

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P.Profos et al., Published, Handubch der industriellen Messtechnik [Handb of Industrial Measuring Technology 5th Edition, R. Oldenbourg Verlag, Munich 1992, pp. 732-734.

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