Adaptive confirmation of treatable arrhythmia in implantable cardiac stimulus devices

A technology for cardiac stimulation and equipment, applied in the field of implantable medical device systems

Active Publication Date: 2012-07-18
CAMERON HEALTH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Thus, once a treatable condition is identified, there is a charging period corresponding to preparing the device to deliver therapy

Method used

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  • Adaptive confirmation of treatable arrhythmia in implantable cardiac stimulus devices
  • Adaptive confirmation of treatable arrhythmia in implantable cardiac stimulus devices
  • Adaptive confirmation of treatable arrhythmia in implantable cardiac stimulus devices

Examples

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Embodiment Construction

[0023] The following Detailed Description should be read with reference to the accompanying drawings. The drawings, which are not necessarily to scale, depict example embodiments and are not intended to limit the scope of the invention. Some of the examples and illustrations in the following examples include references to issued patents and pending patent applications. These citations are for illustrative purposes and are not intended to limit the invention to the specific methods or structures from the cited patents and patent applications.

[0024] Unless implicitly required or explicitly stated, the following methods do not require any particular order of steps. It should be understood that when the following examples refer to "current event", in some embodiments this means analyzing the most recently detected cardiac event. This need not be the case however, and some embodiments perform analysis delayed by one or more detections and / or fixed time periods. The shown choi...

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Abstract

Methods and devices for adjusting therapy delivery decisions in an implantable cardiac stimulus device by observing cardiac activity following an initial identification of a treatable condition. In some examples, cardiac activity that appears benign is quantified and a therapy confirmation threshold is adjusted according to how much apparently benign cardiac activity is seen after an initial identification of a treatable condition. In other examples, a new threshold is applied following the initial identification of treatable condition, removing historical data preceding the initial identification from subsequent therapy delivery decisions.

Description

[0001] related application [0002] This application claims the benefit and priority of U.S. Provisional Patent Application No. 61 / 221,316, entitled CONFIRMATION OF TREATABLE ARRHYTHMIA IN IMPLANTABLE CARDIAC STIMULUS DEVICES, filed June 29, 2009, the entire disclosure of which is hereby incorporated by reference. technical field [0003] The present invention relates generally to an implantable medical device system for sensing and analyzing cardiac signals. More particularly, the present invention relates to an implantable medical device that analyzes cardiac signals to classify cardiac activity as likely benign or treatable. Background technique [0004] An implantable cardiac stimulation device (ICSD) typically senses cardiac electrical signals in an implantee and uses the sensed signals to classify the implanted patient's heart rhythm as normal / benign or treatable / malignant. Exemplary treatable cardiac arrhythmias may include ventricular fibrillation and / or ventricula...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N1/36A61B5/363
CPCA61N1/3622A61N1/3943A61N1/3956A61B5/0464A61B5/363A61N1/3925A61N1/3987
Inventor J.A.沃伦R.桑赫拉V.阿拉瓦塔姆
Owner CAMERON HEALTH
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