Method for localizing a site of origin of an electrical heart activity

US5634469A · kind A · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Herbert Bruder · Hemhofen, DE
• Reinmar Killmann · Forchheim, DE

Key dates

• Filing date: Mar 26, 1996
• Grant date: Jun 3, 1997
• Expiry date: Mar 26, 2016

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B5/349
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

In a method for localizing an origination site of electrical heart activity, body surface potentials generated by the heart activity are measured at a number of measuring points with a multi-channel measuring system, and values are stored that characterize the body surface potentials at the measuring points. These values are then compared to comparison values stored in a data bank, the comparison values representing comparison surface potentials that arise from modeled comparison heart activities whose position in the heart is known. The position of that comparison heart activity whose comparison values exhibit the most similarity to the characteristic values is emitted as a localization result. The comparison values are determined using a heart model embedded in a thorax model.