Multiple electrode vectors for implantable cardiac treatment devices

A technology of treatment device and implanted electrodes, which can be used in treatment, cardiac stimulator, cardiac defibrillator, etc.

Active Publication Date: 2006-11-08
CAMERON HEALTH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In addition to causing physical pain for the patient, it is extremely disturbing when a cardiac rhythm management device provides inappropriate therapy
Also, providing inappropriate therapy may exacerbate the severity of cardiac arrhythmias or cause arrhythmias in persons who do not already have arrhythmias

Method used

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  • Multiple electrode vectors for implantable cardiac treatment devices
  • Multiple electrode vectors for implantable cardiac treatment devices
  • Multiple electrode vectors for implantable cardiac treatment devices

Examples

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Embodiment Construction

[0016] specific implementation plan

[0017] The following detailed description should be read with reference to the accompanying drawings, in which like elements in different drawings are numbered identically by like numerals. The drawings, which are not necessarily to scale, depict selected embodiments and are not intended to limit the scope of the invention. Those skilled in the art will appreciate that there are many examples and elements of the examples that have suitable alternatives that may be utilized.

[0018] The present invention relates generally to cardiac rhythm management devices, such as implantable cardioverter / defibrillator (ICD) systems, for providing therapy to patients suffering from certain cardiac arrhythmias. The present invention addresses sensing architectures for use in cardiac rhythm management devices. In particular, the invention is applicable to ICD systems capable of detecting and defibrillating unwanted cardiac arrhythmias. Although the sen...

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Abstract

The implantable cardiac treatment system of the present invention is capable of choosing the most appropriate electrode vector to sense within a particular patient. In certain embodiments, the implantable cardiac treatment system determines the most appropriate electrode vector for continuous sensing based on which electrode vector results in the greatest signal amplitude, or some other useful metric such as signal-to-noise ratio (SNR). The electrode vector possessing the highest quality as measured using the metric is then set as the default electrode vector for sensing. Additionally, in certain embodiments of the present invention, a next alternative electrode vector is selected based on being generally orthogonal to the default electrode vector. In yet other embodiments of the present invention, the next alternative electrode vector is selected based on possessing the next highest quality metric after the default electrode vector. In some embodiments, if analysis of the default vector is ambiguous, the next alternative electrode vector is analyzed to reduce ambiguity.

Description

[0001] References to related applications [0002] This application claims the benefit of US Provisional Application Serial No. 60 / 490,779, filed July 28, 2003, entitled "MULTIPLEELECTRODEVECTORS IN A SUBCUTANEOUS ICD." This application is also a co-pending U.S. Patent Application No. 10 / 856,084, entitled "METHOD FOR DISCRIMINATING BETWEEN VENTRICULAR AND SUPRAVENTRICULAR ARRHYTHMIAS," filed May 27, 2004 A continuation-in-part application claiming the benefit of U.S. Provisional Application Serial No. 60 / 474,323, filed May 29, 2003. This application was also filed on June 8, 2004 and is entitled "APPARATUS AND METHOD OF ARRHYTHMIADETECTION IN A SUBCUTANEOUS IMPLANTABLECARDIOVERTER / DEFIBRILLATOR (Apparatus and method for detecting arrhythmia in a subcutaneously implantable cardioverter / defibrillator)", Continuation-in-Part of co-pending U.S. Application Serial No. 10 / 863,599, filed November 21, 2001, entitled "APPARATUS AND METHOD OF ARRHYTHMIA DETECTION IN A SUBCUTANEOUS SIMPLA...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/024A61B5/361A61B5/07A61B5/276A61B5/308A61N1/362A61N1/368A61N1/39
CPCA61B5/076A61N1/3622A61N1/3925A61B5/7207A61B5/276A61B5/283A61B5/304A61B5/318A61B5/29A61B5/308
Inventor J·A·瓦伦G·H·巴迪
Owner CAMERON HEALTH
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