Accessory pathway detecting/cauterizing apparatus

Details Accessory pathway detecting/cauterizing apparatus Accessory pathway detecting/cauterizing apparatus

1994-12-19

1998-04-21

Cohen, Lee S.

Surgery

Diagnostic testing

Structure of body-contacting electrode or electrode inserted...

600381, 600509, 600547, 606 41, 606 49, 607122, A61B 5042, A61B 1739, A61N 105

Patent

active

057412146

ABSTRACT:
An accessory pathway detecting apparatus measures action potentials from first and second electrode leads, and outputs the obtained action potentials, as potential maps, to a CRT or a printer such that the action potentials can be displayed in the form of a list. An ablation catheter is inserted and located at a preexcitation portion obtained from the display, and the impedance between each of the electrodes of the first and second electrode leads and the electrode of the ablation catheter is measured by an impedance measuring circuit. A point where the lowest impedance is measured is regarded as an accessory pathway portion. The ablation catheter is fixed at this point.

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patent: 5433198 (1995-07-01), Desai
patent: 5447529 (1995-09-01), Marchlinski
patent: 5462545 (1995-10-01), Wang et al.
patent: 5476495 (1995-12-01), Kordis et al.
patent: 5487385 (1996-01-01), Avitall
patent: 5524619 (1996-06-01), Ouchi et al.
patent: 5549108 (1996-08-01), Edwards et al.
patent: 5549109 (1996-08-01), Samson et al.

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