Interface system for endocardial mapping catheter

Details Interface system for endocardial mapping catheter Interface system for endocardial mapping catheter

2005-09-20

2005-09-20

Imam, Ali (Department: 3737)

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

Reexamination Certificate

active

06947785

ABSTRACT:
A mapping catheter is positioned in a heart chamber, and active electrode sites are activated to impose an electric field within the chamber. The blood volume and wall motion modulates the electric field, which is detected by passive electrode sites on the preferred catheter. Electrophysiology measurements, as well as geometry measurements, are taken from the passive electrodes and used to display a map of intrinsic heart activity.

REFERENCES:
patent: 5391199 (1995-02-01), Ben-Haim
patent: 5662108 (1997-09-01), Budd et al.
patent: 5697377 (1997-12-01), Wittkampf
patent: 5722402 (1998-03-01), Swanson et al.
patent: 5738096 (1998-04-01), Ben-Haim
patent: 5848972 (1998-12-01), Triedman et al.

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