Apparatus for localizing action currents in the heart
First Claim
1. An apparatus for localizing action currents in a heart of a living subject, comprising:
- a plurality of electrodes adapted for attachment to a body surface of a living subject for acquiring a distribution of electrical potential on said body surface generated by cardiac action currents in said subject;
position acquisition means for determining respective spatial positions of said plurality of electrodes;
a reference catheter adapted to be fixed in a heart at a spatial position determinable by said position acquisition means; and
localization means connected to said electrodes and to said position acquisition means for localizing said cardiac action currents with reference to said reference catheter using said distribution of electrical potential and the respective spatial positions of said plurality of electrodes.
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Accused Products
Abstract
An apparatus for localizing action currents in the heart of a living subject has electrodes for acquiring a distribution of electrical potential on the body surface of the living subject generated by the action currents, a position acquisition unit for determining the spatial position of the electrodes, and a localization unit connected to the electrodes and to the position acquisition unit. The localization unit localizing the action currents from the distribution of potential and the spatial position of the electrodes. A reference catheter fixable in the heart is fashioned such that its spatial position can be determined by the position acquisition unit, and that the localization unit localizes the action currents with reference to the reference catheter.
215 Citations
10 Claims
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1. An apparatus for localizing action currents in a heart of a living subject, comprising:
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a plurality of electrodes adapted for attachment to a body surface of a living subject for acquiring a distribution of electrical potential on said body surface generated by cardiac action currents in said subject; position acquisition means for determining respective spatial positions of said plurality of electrodes; a reference catheter adapted to be fixed in a heart at a spatial position determinable by said position acquisition means; and localization means connected to said electrodes and to said position acquisition means for localizing said cardiac action currents with reference to said reference catheter using said distribution of electrical potential and the respective spatial positions of said plurality of electrodes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification