Fiberglass reinforced epoxy plunge needle electrodes elicited smaller, more quickly resolving injury potentials and disrupted ventricular fibrillation activation patterns less than traditional steel needles.
Cardiac mapping
Fiberglass reinforced epoxy plunge needle electrodes vs Traditional steel needles
Injury potentials and disruption of ventricular fibrillation activation patterns
We developed a new method for fabricating plunge needle electrodes for use in cardiac mapping. The needles have 12 electrodes with 1-mm spacing, are 0.5 mm in diameter, and are fabricated from fiberglass reinforced epoxy. They are stiff enough to be easily inserted into beating hearts and durable enough to be reused many times. We found that these new needles elicit smaller, more quickly resolving injury potentials, and when inserted in a row with 2-mm spacing, disrupt ventricular fibrillation activation patterns less than traditional steel needles.
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Jack M. Rogers
University of Alabama at Birmingham
Sharon B. Melnick
University of Alabama at Birmingham
Jian Huang
Coriell Institute For Medical Research
IEEE Transactions on Biomedical Engineering
University of Alabama at Birmingham
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Rogers et al. (Sun,) conducted a other in Cardiac mapping. Fiberglass reinforced epoxy plunge needle electrodes vs. Traditional steel needles was evaluated on Injury potentials and disruption of ventricular fibrillation activation patterns. Fiberglass reinforced epoxy plunge needle electrodes elicited smaller, more quickly resolving injury potentials and disrupted ventricular fibrillation activation patterns less than traditional steel needles.
synapsesocial.com/papers/6a12b4ed2a15bedf5103a460 — DOI: https://doi.org/10.1109/tbme.2002.805483