Methods and apparatus for detecting medical conditions of the heart

Overview

Information

Number: 6243603
Application: 09/153407
Filing date: 09/15/1998
Issue date: 06/05/2001
Inventor(s): Raymond E. Ideker, Bruce H. KenKnight

US Classification: 607/5; 607/9

Citations

Intermedics (1)

Number	Title	Issue Date
5720768	Dual chamber pacing with interchamber delay	1998/02/24

sorin crm sas (1)

Number	Title	Issue Date
5514161	Methods and apparatus for controlling atrial stimulation in a double atrial triple chamber cardiac pacemaker	1996/05/07

MIROWSKI FAMILY VENTURES L.L.C. (1)

Number	Title	Issue Date
4928688	Method and apparatus for treating hemodynamic disfunction	1990/05/29

Abstract

Abstract

An implantable system for detecting electrical activity from a patient's heart comprises a first sensing electrode configured for positioning through the coronary sinus ostium and within a vein on the left surface of the left ventricle of the heart for sensing electrical activity from the heart, and a detector operatively associated with the first sensing electrode for determining (e.g., diagnosing or prognosing) a medical condition of the heart with the sensed electrical activity. Typically the system further comprises a second sensing electrode configured for positioning in the right ventricle of the heart, where the detector is operatively associated with both the first sensing electrode and the second sensing electrode. The second sensing electrode may be positioned in other locations as well, such as also within a vein on the left surface of the left ventricle of the heart (although spaced apart from the first sensing electrode), in the right atrium, in the superior vena cava, etc. Finally, a third sensing electrode may also be included, with the third electrode positioned in any of the foregoing locations (again, spaced apart from the first and second electrodes), with the detector operatively associated with all of the first, second, and third sensing electrodes. Determination of a medical condition may be carried out by any suitable means, such as by detecting premature beats in the heart. The method is particularly useful for identifying the chamber of premature beat origin.

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Tech Analysis

Class	Subclass	Type	Reference Factor	Citation Factor	Strength	Grant time	Early grant (%)
607	5	Emerging	Novel	Average	Medium	Average	58.6
607	9	Emerging	Novel	Average	Medium High	Average	44.5