Abstract

The In Vivo intra-cardiac loading conditions placed upon transvenous endocardial pacing leads is not well understood. We have developed a technique for determining In Vivo pacing lead geometries and computing the resulting bending stress distribution at various times throughout a cardiac cycle. Using the model, one may locate areas of high stress concentration and determine the effect of changing design characteristics such as material stiffnesses or geometric parameters. The model is general and can be used to determine stresses and reactions acting upon any beam-like invasive device.

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